HTRONIC WSS 1 User manual

WATER PROTECTION
SWITCH
WSS1
ITEM NO.: 111 47 25
The water protection switch WSS1 detects
leaks, alerts the user acoustically and visually,
and shuts off the power and water supply.
Areas of application include:
Detection of defects in washing machines,
dishwashers or hot water boilers.
Alarm for incoming high water.
Additional fuse for water level or float
switch.
1. Target group,
qualification
Qualified electricians are trained for
the specific scope of their work and know
the relevant standards and regulations. They
can perform work on electrical systems and
independently recognise and avoid potential
dangers based on their training and experi-
ence.
Users have read these operating instructions
and are aware of the possible dangers asso-
ciated with improper behaviour.
2. Safety
2.1 Depiction used
WARNING
Possibility of serious bodily injury
or death
`Preventive measures
Note
Instructions for use/ useful information
2.2 Intended use
The water protection switch is intended for
use in the private and commercial sector,
to detect leakages of electro-conduc-
tive, non-aggressive liquids with a
water sensor,
alert users about such,
turn off the connected power and water
supply with the solenoid valve.
Any other or extended use of the water pro-
tection switch that is outside the operating
parameters is improper.
Modifications are prohibited.
2.3 Electricity risks
Comply with the operating parameters,
see 3Technical data.
Inspect live cables and lines for insula-
tion faults and breaks before use.
Do not touch any damaged lines.
Unplug the universal temperature switch
before working on it.
Do not open the water protection
switch.
Do not operate the water protection
switch if:
-the water circuit breaker, solenoid
valve, water sensor, or cable are
damaged,
-the water protection switch has
been exposed to extreme moisture,
-in case of moisture ingress.
2.4 Provisions for persons
with limited abilities
Persons with limited physical, sensory
or mental abilities or persons with
insufficient experience or knowledge
must neither install the water protection
switch nor connect it electrically.
There is a risk of choking through plastic
bags and if swallowed. Keep children
away from the packaging material.
Children underestimate the danger of
electrical appliances. Do not leave
children unsupervised with the water
protection switch.
2.5 Behaviour in case of an
emergency
De-energise the water protection switch
and connected loads from the power sup-
ply if there is a:
risk of injury,
risk of damaging the water protection
switch or any other objects.
Note
In the event of an accident, take imme-
diate action and, if required, call the
EU-wide emergency number 112.
5. Installation
Prerequisites:
The operating location of the water
protection switch must be protected
from moisture, dust, and direct sunlight.
A free, easily accessible 230 V protec-
tive contact socket is available.
You have given the water protection
switch for at least 2 hours to adjust to
the ambient conditions at the operating
site.
The water supply is turned off.
WARNING
Tripping due to loose cables
possible.
`Keep escape routes and stairways
clear.
`Lay cables so that tripping and
stepping on them is prevented, e.g.
in a cable duct.
Note
Never connect several water protec-
tion switchs to each other.
How to mount the water protection switch:
1. Plug the water protection switch into
a 230 V socket.
Figure 2 Plugging in the water protection
switch
¨The "Power" LED lights up.
2. Plug the cable of the water sensor
into the left-hand socket of the water
protection switch (item 1, Figure 1).
Figure 3 Mounting the water sensor
3. Lay the cable so that the metal pins of
the water sensor pointing downwards
have a distance of 0.5 mm to the
floor, under consideration of slopes.
4. Fasten the water sensor through the
mounting hole with appropriate fas-
tening material, e.g. with a screw.
¨The water sensor is mounted.
5. Plug the cable of the solenoid valve
into the right-hand socket of the water
protection switch (item 2, Figure 1).
6. Lay the cable of the solenoid valve to
the place of use.
Note
Only skilled users are allowed to install
the solenoid valve between the unit and
the water supply.
Note
Tighten the union nuts manually. Do not
use any tools. The union nuts may be
damaged by this.
Have the water supply installed by a
professional if in doubt.
1
2
3
4
5
6
7
Figure 4 Connecting the solenoid valve
Item Designation
1 Water supply
2 Prefilter
3 Union nut solenoid valve
4 Solenoid valve
5 Seal
6 Union nut water hose
7 Water hose
7. Screw the solenoid valve (item4,Fig-
ure 4) incl. pre-filter (item 2,Figure 4)
with the union nut (item 3,Figure 4)
to the water supply (item 1,Figure 4).
8. Screw the hose of the device
(item7,Figure 4) to the other side of
the solenoid valve using the union nut
(item6,Figure 4) and a suitable seal
(item5,Figure 4).
¨The solenoid valve is mounted.
9You have mounted the water protec-
tion switch.
Note
When switched, the solenoid valve will
heat up to a safe temperature. This is due
to technical reasons and is safe for use.
3. Technical data
Ambient temperature 0 ...+50°C
Relative humidity <80%
Dimensions WSS1
length, width, height 98mm, 60mm,
41mm
Dimensions WSS1V
Length, width, height 84mm, 54mm,
40mm
Dimensions
water sensor
length, width, height
75mm,
30mm,
8mm
Weight WSS1 157g
Weight WSS1V 315g
Weight
water sensor 56g
Operating voltage 230V AC
Power consumption approx. 5.0
W
Power consumption
standby approx. 0.5W
Switching capacity
(resistive load) max. 3680 W
Trigger sensitivity ≈100 kOhm
Protection class IP20
Water sensor connec-
tion 3.5mm
Solenoid valve
connection 2.5mm
Alarm volume approx. 80 dB
Water connection G3/4
Cable lengths approx. 2 m
2
1
Figure 1 Sockets of the water protection switch
Item Designation
1 Input water sensor
2 Solenoid valve input
4. Scope of delivery
Water protection switch WSS1
Solenoid valve WSS1V
Water sensor
www.h-tronic.de
6. Commissioning
6.1 Display
1
2
3
4
5
6
7
Figure 5 Display of the water protection switch
Item Colour Designation
1 green "Power" LED
2 orange "Valve" LED
3 red "Water" LED
4 red "Sensor error" LED
5 red "Valve error" LED
6 red "Alarm" LED
7 grey Button
6.2 Device connection
Do not operate any safety-relevant applica-
tions on the water protection switch.
For connecting a device to the water protec-
tion switch:
1. Open the water supply at the faucet.
2. Check the tightness of the connection.
3. Push the button on the water protection
switch (item 7, Figure 5).
¨The "Valve" LED lights up (item 2, Figure
5).
¨The integrated socket on the water
protection switch is turned on.
¨The solenoid valve is open.
4. Plug the power cable of the device
into the socket of the water protection
switch.
Figure 6 Plugging the device into the water pro-
tection switch
9You have connected the device to the
water protection switch.
The power and water supply to the unit are
not interrupted while there is no leakage or
fault.

WATER PROTECTION
SWITCH
WSS1
ITEM NO.: 111 47 25
The water protection switch WSS1 detects
leaks, alerts the user acoustically and visually,
and shuts off the power and water supply.
Areas of application include:
Detection of defects in washing machines,
dishwashers or hot water boilers.
Alarm for incoming high water.
Additional fuse for water level or float
switch.
1. Target group,
qualification
Qualified electricians are trained for
the specific scope of their work and know
the relevant standards and regulations. They
can perform work on electrical systems and
independently recognise and avoid potential
dangers based on their training and experi-
ence.
Users have read these operating instructions
and are aware of the possible dangers asso-
ciated with improper behaviour.
2. Safety
2.1 Depiction used
WARNING
Possibility of serious bodily injury
or death
`Preventive measures
Note
Instructions for use/ useful information
2.2 Intended use
The water protection switch is intended for
use in the private and commercial sector,
to detect leakages of electro-conduc-
tive, non-aggressive liquids with a
water sensor,
alert users about such,
turn off the connected power and water
supply with the solenoid valve.
Any other or extended use of the water pro-
tection switch that is outside the operating
parameters is improper.
Modifications are prohibited.
2.3 Electricity risks
Comply with the operating parameters,
see 3Technical data.
Inspect live cables and lines for insula-
tion faults and breaks before use.
Do not touch any damaged lines.
Unplug the universal temperature switch
before working on it.
Do not open the water protection
switch.
Do not operate the water protection
switch if:
-the water circuit breaker, solenoid
valve, water sensor, or cable are
damaged,
-the water protection switch has
been exposed to extreme moisture,
-in case of moisture ingress.
2.4 Provisions for persons
with limited abilities
Persons with limited physical, sensory
or mental abilities or persons with
insufficient experience or knowledge
must neither install the water protection
switch nor connect it electrically.
There is a risk of choking through plastic
bags and if swallowed. Keep children
away from the packaging material.
Children underestimate the danger of
electrical appliances. Do not leave
children unsupervised with the water
protection switch.
2.5 Behaviour in case of an
emergency
De-energise the water protection switch
and connected loads from the power sup-
ply if there is a:
risk of injury,
risk of damaging the water protection
switch or any other objects.
Note
In the event of an accident, take imme-
diate action and, if required, call the
EU-wide emergency number 112.
5. Installation
Prerequisites:
The operating location of the water
protection switch must be protected
from moisture, dust, and direct sunlight.
A free, easily accessible 230 V protec-
tive contact socket is available.
You have given the water protection
switch for at least 2 hours to adjust to
the ambient conditions at the operating
site.
The water supply is turned off.
WARNING
Tripping due to loose cables
possible.
`Keep escape routes and stairways
clear.
`Lay cables so that tripping and
stepping on them is prevented, e.g.
in a cable duct.
Note
Never connect several water protec-
tion switchs to each other.
How to mount the water protection switch:
1. Plug the water protection switch into
a 230 V socket.
Figure 2 Plugging in the water protection
switch
¨The "Power" LED lights up.
2. Plug the cable of the water sensor
into the left-hand socket of the water
protection switch (item 1, Figure 1).
Figure 3 Mounting the water sensor
3. Lay the cable so that the metal pins of
the water sensor pointing downwards
have a distance of 0.5 mm to the
floor, under consideration of slopes.
4. Fasten the water sensor through the
mounting hole with appropriate fas-
tening material, e.g. with a screw.
¨The water sensor is mounted.
5. Plug the cable of the solenoid valve
into the right-hand socket of the water
protection switch (item 2, Figure 1).
6. Lay the cable of the solenoid valve to
the place of use.
Note
Only skilled users are allowed to install
the solenoid valve between the unit and
the water supply.
Note
Tighten the union nuts manually. Do not
use any tools. The union nuts may be
damaged by this.
Have the water supply installed by a
professional if in doubt.
1
2
3
4
5
6
7
Figure 4 Connecting the solenoid valve
Item Designation
1 Water supply
2 Prefilter
3 Union nut solenoid valve
4 Solenoid valve
5 Seal
6 Union nut water hose
7 Water hose
7. Screw the solenoid valve (item4,Fig-
ure 4) incl. pre-filter (item 2,Figure 4)
with the union nut (item 3,Figure 4)
to the water supply (item 1,Figure 4).
8. Screw the hose of the device
(item7,Figure 4) to the other side of
the solenoid valve using the union nut
(item6,Figure 4) and a suitable seal
(item5,Figure 4).
¨The solenoid valve is mounted.
9You have mounted the water protec-
tion switch.
Note
When switched, the solenoid valve will
heat up to a safe temperature. This is due
to technical reasons and is safe for use.
3. Technical data
Ambient temperature 0 ...+50°C
Relative humidity <80%
Dimensions WSS1
length, width, height 98mm, 60mm,
41mm
Dimensions WSS1V
Length, width, height 84mm, 54mm,
40mm
Dimensions
water sensor
length, width, height
75mm,
30mm,
8mm
Weight WSS1 157g
Weight WSS1V 315g
Weight
water sensor 56g
Operating voltage 230V AC
Power consumption approx. 5.0
W
Power consumption
standby approx. 0.5W
Switching capacity
(resistive load) max. 3680 W
Trigger sensitivity ≈100 kOhm
Protection class IP20
Water sensor connec-
tion 3.5mm
Solenoid valve
connection 2.5mm
Alarm volume approx. 80 dB
Water connection G3/4
Cable lengths approx. 2 m
2
1
Figure 1 Sockets of the water protection switch
Item Designation
1 Input water sensor
2 Solenoid valve input
4. Scope of delivery
Water protection switch WSS1
Solenoid valve WSS1V
Water sensor
www.h-tronic.de
6. Commissioning
6.1 Display
1
2
3
4
5
6
7
Figure 5 Display of the water protection switch
Item Colour Designation
1 green "Power" LED
2 orange "Valve" LED
3 red "Water" LED
4 red "Sensor error" LED
5 red "Valve error" LED
6 red "Alarm" LED
7 grey Button
6.2 Device connection
Do not operate any safety-relevant applica-
tions on the water protection switch.
For connecting a device to the water protec-
tion switch:
1. Open the water supply at the faucet.
2. Check the tightness of the connection.
3. Push the button on the water protection
switch (item 7, Figure 5).
¨The "Valve" LED lights up (item 2, Figure
5).
¨The integrated socket on the water
protection switch is turned on.
¨The solenoid valve is open.
4. Plug the power cable of the device
into the socket of the water protection
switch.
Figure 6 Plugging the device into the water pro-
tection switch
9You have connected the device to the
water protection switch.
The power and water supply to the unit are
not interrupted while there is no leakage or
fault.

WATER PROTECTION
SWITCH
WSS1
ITEM NO.: 111 47 25
The water protection switch WSS1 detects
leaks, alerts the user acoustically and visually,
and shuts off the power and water supply.
Areas of application include:
Detection of defects in washing machines,
dishwashers or hot water boilers.
Alarm for incoming high water.
Additional fuse for water level or float
switch.
1. Target group,
qualification
Qualified electricians are trained for
the specific scope of their work and know
the relevant standards and regulations. They
can perform work on electrical systems and
independently recognise and avoid potential
dangers based on their training and experi-
ence.
Users have read these operating instructions
and are aware of the possible dangers asso-
ciated with improper behaviour.
2. Safety
2.1 Depiction used
WARNING
Possibility of serious bodily injury
or death
`Preventive measures
Note
Instructions for use/ useful information
2.2 Intended use
The water protection switch is intended for
use in the private and commercial sector,
to detect leakages of electro-conduc-
tive, non-aggressive liquids with a
water sensor,
alert users about such,
turn off the connected power and water
supply with the solenoid valve.
Any other or extended use of the water pro-
tection switch that is outside the operating
parameters is improper.
Modifications are prohibited.
2.3 Electricity risks
Comply with the operating parameters,
see 3Technical data.
Inspect live cables and lines for insula-
tion faults and breaks before use.
Do not touch any damaged lines.
Unplug the universal temperature switch
before working on it.
Do not open the water protection
switch.
Do not operate the water protection
switch if:
-the water circuit breaker, solenoid
valve, water sensor, or cable are
damaged,
-the water protection switch has
been exposed to extreme moisture,
-in case of moisture ingress.
2.4 Provisions for persons
with limited abilities
Persons with limited physical, sensory
or mental abilities or persons with
insufficient experience or knowledge
must neither install the water protection
switch nor connect it electrically.
There is a risk of choking through plastic
bags and if swallowed. Keep children
away from the packaging material.
Children underestimate the danger of
electrical appliances. Do not leave
children unsupervised with the water
protection switch.
2.5 Behaviour in case of an
emergency
De-energise the water protection switch
and connected loads from the power sup-
ply if there is a:
risk of injury,
risk of damaging the water protection
switch or any other objects.
Note
In the event of an accident, take imme-
diate action and, if required, call the
EU-wide emergency number 112.
5. Installation
Prerequisites:
The operating location of the water
protection switch must be protected
from moisture, dust, and direct sunlight.
A free, easily accessible 230 V protec-
tive contact socket is available.
You have given the water protection
switch for at least 2 hours to adjust to
the ambient conditions at the operating
site.
The water supply is turned off.
WARNING
Tripping due to loose cables
possible.
`Keep escape routes and stairways
clear.
`Lay cables so that tripping and
stepping on them is prevented, e.g.
in a cable duct.
Note
Never connect several water protec-
tion switchs to each other.
How to mount the water protection switch:
1. Plug the water protection switch into
a 230 V socket.
Figure 2 Plugging in the water protection
switch
¨The "Power" LED lights up.
2. Plug the cable of the water sensor
into the left-hand socket of the water
protection switch (item 1, Figure 1).
Figure 3 Mounting the water sensor
3. Lay the cable so that the metal pins of
the water sensor pointing downwards
have a distance of 0.5 mm to the
floor, under consideration of slopes.
4. Fasten the water sensor through the
mounting hole with appropriate fas-
tening material, e.g. with a screw.
¨The water sensor is mounted.
5. Plug the cable of the solenoid valve
into the right-hand socket of the water
protection switch (item 2, Figure 1).
6. Lay the cable of the solenoid valve to
the place of use.
Note
Only skilled users are allowed to install
the solenoid valve between the unit and
the water supply.
Note
Tighten the union nuts manually. Do not
use any tools. The union nuts may be
damaged by this.
Have the water supply installed by a
professional if in doubt.
1
2
3
4
5
6
7
Figure 4 Connecting the solenoid valve
Item Designation
1 Water supply
2 Prefilter
3 Union nut solenoid valve
4 Solenoid valve
5 Seal
6 Union nut water hose
7 Water hose
7. Screw the solenoid valve (item4,Fig-
ure 4) incl. pre-filter (item 2,Figure 4)
with the union nut (item 3,Figure 4)
to the water supply (item 1,Figure 4).
8. Screw the hose of the device
(item7,Figure 4) to the other side of
the solenoid valve using the union nut
(item6,Figure 4) and a suitable seal
(item5,Figure 4).
¨The solenoid valve is mounted.
9You have mounted the water protec-
tion switch.
Note
When switched, the solenoid valve will
heat up to a safe temperature. This is due
to technical reasons and is safe for use.
3. Technical data
Ambient temperature 0 ...+50°C
Relative humidity <80%
Dimensions WSS1
length, width, height 98mm, 60mm,
41mm
Dimensions WSS1V
Length, width, height 84mm, 54mm,
40mm
Dimensions
water sensor
length, width, height
75mm,
30mm,
8mm
Weight WSS1 157g
Weight WSS1V 315g
Weight
water sensor 56g
Operating voltage 230V AC
Power consumption approx. 5.0
W
Power consumption
standby approx. 0.5W
Switching capacity
(resistive load) max. 3680 W
Trigger sensitivity ≈100 kOhm
Protection class IP20
Water sensor connec-
tion 3.5mm
Solenoid valve
connection 2.5mm
Alarm volume approx. 80 dB
Water connection G3/4
Cable lengths approx. 2 m
2
1
Figure 1 Sockets of the water protection switch
Item Designation
1 Input water sensor
2 Solenoid valve input
4. Scope of delivery
Water protection switch WSS1
Solenoid valve WSS1V
Water sensor
www.h-tronic.de
6. Commissioning
6.1 Display
1
2
3
4
5
6
7
Figure 5 Display of the water protection switch
Item Colour Designation
1 green "Power" LED
2 orange "Valve" LED
3 red "Water" LED
4 red "Sensor error" LED
5 red "Valve error" LED
6 red "Alarm" LED
7 grey Button
6.2 Device connection
Do not operate any safety-relevant applica-
tions on the water protection switch.
For connecting a device to the water protec-
tion switch:
1. Open the water supply at the faucet.
2. Check the tightness of the connection.
3. Push the button on the water protection
switch (item 7, Figure 5).
¨The "Valve" LED lights up (item 2, Figure
5).
¨The integrated socket on the water
protection switch is turned on.
¨The solenoid valve is open.
4. Plug the power cable of the device
into the socket of the water protection
switch.
Figure 6 Plugging the device into the water pro-
tection switch
9You have connected the device to the
water protection switch.
The power and water supply to the unit are
not interrupted while there is no leakage or
fault.

WATER PROTECTION
SWITCH
WSS1
ITEM NO.: 111 47 25
The water protection switch WSS1 detects
leaks, alerts the user acoustically and visually,
and shuts off the power and water supply.
Areas of application include:
Detection of defects in washing machines,
dishwashers or hot water boilers.
Alarm for incoming high water.
Additional fuse for water level or float
switch.
1. Target group,
qualification
Qualified electricians are trained for
the specific scope of their work and know
the relevant standards and regulations. They
can perform work on electrical systems and
independently recognise and avoid potential
dangers based on their training and experi-
ence.
Users have read these operating instructions
and are aware of the possible dangers asso-
ciated with improper behaviour.
2. Safety
2.1 Depiction used
WARNING
Possibility of serious bodily injury
or death
`Preventive measures
Note
Instructions for use/ useful information
2.2 Intended use
The water protection switch is intended for
use in the private and commercial sector,
to detect leakages of electro-conduc-
tive, non-aggressive liquids with a
water sensor,
alert users about such,
turn off the connected power and water
supply with the solenoid valve.
Any other or extended use of the water pro-
tection switch that is outside the operating
parameters is improper.
Modifications are prohibited.
2.3 Electricity risks
Comply with the operating parameters,
see 3Technical data.
Inspect live cables and lines for insula-
tion faults and breaks before use.
Do not touch any damaged lines.
Unplug the universal temperature switch
before working on it.
Do not open the water protection
switch.
Do not operate the water protection
switch if:
-the water circuit breaker, solenoid
valve, water sensor, or cable are
damaged,
-the water protection switch has
been exposed to extreme moisture,
-in case of moisture ingress.
2.4 Provisions for persons
with limited abilities
Persons with limited physical, sensory
or mental abilities or persons with
insufficient experience or knowledge
must neither install the water protection
switch nor connect it electrically.
There is a risk of choking through plastic
bags and if swallowed. Keep children
away from the packaging material.
Children underestimate the danger of
electrical appliances. Do not leave
children unsupervised with the water
protection switch.
2.5 Behaviour in case of an
emergency
De-energise the water protection switch
and connected loads from the power sup-
ply if there is a:
risk of injury,
risk of damaging the water protection
switch or any other objects.
Note
In the event of an accident, take imme-
diate action and, if required, call the
EU-wide emergency number 112.
5. Installation
Prerequisites:
The operating location of the water
protection switch must be protected
from moisture, dust, and direct sunlight.
A free, easily accessible 230 V protec-
tive contact socket is available.
You have given the water protection
switch for at least 2 hours to adjust to
the ambient conditions at the operating
site.
The water supply is turned off.
WARNING
Tripping due to loose cables
possible.
`Keep escape routes and stairways
clear.
`Lay cables so that tripping and
stepping on them is prevented, e.g.
in a cable duct.
Note
Never connect several water protec-
tion switchs to each other.
How to mount the water protection switch:
1. Plug the water protection switch into
a 230 V socket.
Figure 2 Plugging in the water protection
switch
¨The "Power" LED lights up.
2. Plug the cable of the water sensor
into the left-hand socket of the water
protection switch (item 1, Figure 1).
Figure 3 Mounting the water sensor
3. Lay the cable so that the metal pins of
the water sensor pointing downwards
have a distance of 0.5 mm to the
floor, under consideration of slopes.
4. Fasten the water sensor through the
mounting hole with appropriate fas-
tening material, e.g. with a screw.
¨The water sensor is mounted.
5. Plug the cable of the solenoid valve
into the right-hand socket of the water
protection switch (item 2, Figure 1).
6. Lay the cable of the solenoid valve to
the place of use.
Note
Only skilled users are allowed to install
the solenoid valve between the unit and
the water supply.
Note
Tighten the union nuts manually. Do not
use any tools. The union nuts may be
damaged by this.
Have the water supply installed by a
professional if in doubt.
1
2
3
4
5
6
7
Figure 4 Connecting the solenoid valve
Item Designation
1 Water supply
2 Prefilter
3 Union nut solenoid valve
4 Solenoid valve
5 Seal
6 Union nut water hose
7 Water hose
7. Screw the solenoid valve (item4,Fig-
ure 4) incl. pre-filter (item 2,Figure 4)
with the union nut (item 3,Figure 4)
to the water supply (item 1,Figure 4).
8. Screw the hose of the device
(item7,Figure 4) to the other side of
the solenoid valve using the union nut
(item6,Figure 4) and a suitable seal
(item5,Figure 4).
¨The solenoid valve is mounted.
9You have mounted the water protec-
tion switch.
Note
When switched, the solenoid valve will
heat up to a safe temperature. This is due
to technical reasons and is safe for use.
3. Technical data
Ambient temperature 0 ...+50°C
Relative humidity <80%
Dimensions WSS1
length, width, height 98mm, 60mm,
41mm
Dimensions WSS1V
Length, width, height 84mm, 54mm,
40mm
Dimensions
water sensor
length, width, height
75mm,
30mm,
8mm
Weight WSS1 157g
Weight WSS1V 315g
Weight
water sensor 56g
Operating voltage 230V AC
Power consumption approx. 5.0
W
Power consumption
standby approx. 0.5W
Switching capacity
(resistive load) max. 3680 W
Trigger sensitivity ≈100 kOhm
Protection class IP20
Water sensor connec-
tion 3.5mm
Solenoid valve
connection 2.5mm
Alarm volume approx. 80 dB
Water connection G3/4
Cable lengths approx. 2 m
2
1
Figure 1 Sockets of the water protection switch
Item Designation
1 Input water sensor
2 Solenoid valve input
4. Scope of delivery
Water protection switch WSS1
Solenoid valve WSS1V
Water sensor
www.h-tronic.de
6. Commissioning
6.1 Display
1
2
3
4
5
6
7
Figure 5 Display of the water protection switch
Item Colour Designation
1 green "Power" LED
2 orange "Valve" LED
3 red "Water" LED
4 red "Sensor error" LED
5 red "Valve error" LED
6 red "Alarm" LED
7 grey Button
6.2 Device connection
Do not operate any safety-relevant applica-
tions on the water protection switch.
For connecting a device to the water protec-
tion switch:
1. Open the water supply at the faucet.
2. Check the tightness of the connection.
3. Push the button on the water protection
switch (item 7, Figure 5).
¨The "Valve" LED lights up (item 2, Figure
5).
¨The integrated socket on the water
protection switch is turned on.
¨The solenoid valve is open.
4. Plug the power cable of the device
into the socket of the water protection
switch.
Figure 6 Plugging the device into the water pro-
tection switch
9You have connected the device to the
water protection switch.
The power and water supply to the unit are
not interrupted while there is no leakage or
fault.

WATER PROTECTION
SWITCH
WSS1
ITEM NO.: 111 47 25
The water protection switch WSS1 detects
leaks, alerts the user acoustically and visually,
and shuts off the power and water supply.
Areas of application include:
Detection of defects in washing machines,
dishwashers or hot water boilers.
Alarm for incoming high water.
Additional fuse for water level or float
switch.
1. Target group,
qualification
Qualified electricians are trained for
the specific scope of their work and know
the relevant standards and regulations. They
can perform work on electrical systems and
independently recognise and avoid potential
dangers based on their training and experi-
ence.
Users have read these operating instructions
and are aware of the possible dangers asso-
ciated with improper behaviour.
2. Safety
2.1 Depiction used
WARNING
Possibility of serious bodily injury
or death
`Preventive measures
Note
Instructions for use/ useful information
2.2 Intended use
The water protection switch is intended for
use in the private and commercial sector,
to detect leakages of electro-conduc-
tive, non-aggressive liquids with a
water sensor,
alert users about such,
turn off the connected power and water
supply with the solenoid valve.
Any other or extended use of the water pro-
tection switch that is outside the operating
parameters is improper.
Modifications are prohibited.
2.3 Electricity risks
Comply with the operating parameters,
see 3Technical data.
Inspect live cables and lines for insula-
tion faults and breaks before use.
Do not touch any damaged lines.
Unplug the universal temperature switch
before working on it.
Do not open the water protection
switch.
Do not operate the water protection
switch if:
-the water circuit breaker, solenoid
valve, water sensor, or cable are
damaged,
-the water protection switch has
been exposed to extreme moisture,
-in case of moisture ingress.
2.4 Provisions for persons
with limited abilities
Persons with limited physical, sensory
or mental abilities or persons with
insufficient experience or knowledge
must neither install the water protection
switch nor connect it electrically.
There is a risk of choking through plastic
bags and if swallowed. Keep children
away from the packaging material.
Children underestimate the danger of
electrical appliances. Do not leave
children unsupervised with the water
protection switch.
2.5 Behaviour in case of an
emergency
De-energise the water protection switch
and connected loads from the power sup-
ply if there is a:
risk of injury,
risk of damaging the water protection
switch or any other objects.
Note
In the event of an accident, take imme-
diate action and, if required, call the
EU-wide emergency number 112.
5. Installation
Prerequisites:
The operating location of the water
protection switch must be protected
from moisture, dust, and direct sunlight.
A free, easily accessible 230 V protec-
tive contact socket is available.
You have given the water protection
switch for at least 2 hours to adjust to
the ambient conditions at the operating
site.
The water supply is turned off.
WARNING
Tripping due to loose cables
possible.
`Keep escape routes and stairways
clear.
`Lay cables so that tripping and
stepping on them is prevented, e.g.
in a cable duct.
Note
Never connect several water protec-
tion switchs to each other.
How to mount the water protection switch:
1. Plug the water protection switch into
a 230 V socket.
Figure 2 Plugging in the water protection
switch
¨The "Power" LED lights up.
2. Plug the cable of the water sensor
into the left-hand socket of the water
protection switch (item 1, Figure 1).
Figure 3 Mounting the water sensor
3. Lay the cable so that the metal pins of
the water sensor pointing downwards
have a distance of 0.5 mm to the
floor, under consideration of slopes.
4. Fasten the water sensor through the
mounting hole with appropriate fas-
tening material, e.g. with a screw.
¨The water sensor is mounted.
5. Plug the cable of the solenoid valve
into the right-hand socket of the water
protection switch (item 2, Figure 1).
6. Lay the cable of the solenoid valve to
the place of use.
Note
Only skilled users are allowed to install
the solenoid valve between the unit and
the water supply.
Note
Tighten the union nuts manually. Do not
use any tools. The union nuts may be
damaged by this.
Have the water supply installed by a
professional if in doubt.
1
2
3
4
5
6
7
Figure 4 Connecting the solenoid valve
Item Designation
1 Water supply
2 Prefilter
3 Union nut solenoid valve
4 Solenoid valve
5 Seal
6 Union nut water hose
7 Water hose
7. Screw the solenoid valve (item4,Fig-
ure 4) incl. pre-filter (item 2,Figure 4)
with the union nut (item 3,Figure 4)
to the water supply (item 1,Figure 4).
8. Screw the hose of the device
(item7,Figure 4) to the other side of
the solenoid valve using the union nut
(item6,Figure 4) and a suitable seal
(item5,Figure 4).
¨The solenoid valve is mounted.
9You have mounted the water protec-
tion switch.
Note
When switched, the solenoid valve will
heat up to a safe temperature. This is due
to technical reasons and is safe for use.
3. Technical data
Ambient temperature 0 ...+50°C
Relative humidity <80%
Dimensions WSS1
length, width, height 98mm, 60mm,
41mm
Dimensions WSS1V
Length, width, height 84mm, 54mm,
40mm
Dimensions
water sensor
length, width, height
75mm,
30mm,
8mm
Weight WSS1 157g
Weight WSS1V 315g
Weight
water sensor 56g
Operating voltage 230V AC
Power consumption approx. 5.0
W
Power consumption
standby approx. 0.5W
Switching capacity
(resistive load) max. 3680 W
Trigger sensitivity ≈100 kOhm
Protection class IP20
Water sensor connec-
tion 3.5mm
Solenoid valve
connection 2.5mm
Alarm volume approx. 80 dB
Water connection G3/4
Cable lengths approx. 2 m
2
1
Figure 1 Sockets of the water protection switch
Item Designation
1 Input water sensor
2 Solenoid valve input
4. Scope of delivery
Water protection switch WSS1
Solenoid valve WSS1V
Water sensor
www.h-tronic.de
6. Commissioning
6.1 Display
1
2
3
4
5
6
7
Figure 5 Display of the water protection switch
Item Colour Designation
1 green "Power" LED
2 orange "Valve" LED
3 red "Water" LED
4 red "Sensor error" LED
5 red "Valve error" LED
6 red "Alarm" LED
7 grey Button
6.2 Device connection
Do not operate any safety-relevant applica-
tions on the water protection switch.
For connecting a device to the water protec-
tion switch:
1. Open the water supply at the faucet.
2. Check the tightness of the connection.
3. Push the button on the water protection
switch (item 7, Figure 5).
¨The "Valve" LED lights up (item 2, Figure
5).
¨The integrated socket on the water
protection switch is turned on.
¨The solenoid valve is open.
4. Plug the power cable of the device
into the socket of the water protection
switch.
Figure 6 Plugging the device into the water pro-
tection switch
9You have connected the device to the
water protection switch.
The power and water supply to the unit are
not interrupted while there is no leakage or
fault.

WATER PROTECTION
SWITCH
WSS1
ITEM NO.: 111 47 25
The water protection switch WSS1 detects
leaks, alerts the user acoustically and visually,
and shuts off the power and water supply.
Areas of application include:
Detection of defects in washing machines,
dishwashers or hot water boilers.
Alarm for incoming high water.
Additional fuse for water level or float
switch.
1. Target group,
qualification
Qualified electricians are trained for
the specific scope of their work and know
the relevant standards and regulations. They
can perform work on electrical systems and
independently recognise and avoid potential
dangers based on their training and experi-
ence.
Users have read these operating instructions
and are aware of the possible dangers asso-
ciated with improper behaviour.
2. Safety
2.1 Depiction used
WARNING
Possibility of serious bodily injury
or death
`Preventive measures
Note
Instructions for use/ useful information
2.2 Intended use
The water protection switch is intended for
use in the private and commercial sector,
to detect leakages of electro-conduc-
tive, non-aggressive liquids with a
water sensor,
alert users about such,
turn off the connected power and water
supply with the solenoid valve.
Any other or extended use of the water pro-
tection switch that is outside the operating
parameters is improper.
Modifications are prohibited.
2.3 Electricity risks
Comply with the operating parameters,
see 3Technical data.
Inspect live cables and lines for insula-
tion faults and breaks before use.
Do not touch any damaged lines.
Unplug the universal temperature switch
before working on it.
Do not open the water protection
switch.
Do not operate the water protection
switch if:
-the water circuit breaker, solenoid
valve, water sensor, or cable are
damaged,
-the water protection switch has
been exposed to extreme moisture,
-in case of moisture ingress.
2.4 Provisions for persons
with limited abilities
Persons with limited physical, sensory
or mental abilities or persons with
insufficient experience or knowledge
must neither install the water protection
switch nor connect it electrically.
There is a risk of choking through plastic
bags and if swallowed. Keep children
away from the packaging material.
Children underestimate the danger of
electrical appliances. Do not leave
children unsupervised with the water
protection switch.
2.5 Behaviour in case of an
emergency
De-energise the water protection switch
and connected loads from the power sup-
ply if there is a:
risk of injury,
risk of damaging the water protection
switch or any other objects.
Note
In the event of an accident, take imme-
diate action and, if required, call the
EU-wide emergency number 112.
5. Installation
Prerequisites:
The operating location of the water
protection switch must be protected
from moisture, dust, and direct sunlight.
A free, easily accessible 230 V protec-
tive contact socket is available.
You have given the water protection
switch for at least 2 hours to adjust to
the ambient conditions at the operating
site.
The water supply is turned off.
WARNING
Tripping due to loose cables
possible.
`Keep escape routes and stairways
clear.
`Lay cables so that tripping and
stepping on them is prevented, e.g.
in a cable duct.
Note
Never connect several water protec-
tion switchs to each other.
How to mount the water protection switch:
1. Plug the water protection switch into
a 230 V socket.
Figure 2 Plugging in the water protection
switch
¨The "Power" LED lights up.
2. Plug the cable of the water sensor
into the left-hand socket of the water
protection switch (item 1, Figure 1).
Figure 3 Mounting the water sensor
3. Lay the cable so that the metal pins of
the water sensor pointing downwards
have a distance of 0.5 mm to the
floor, under consideration of slopes.
4. Fasten the water sensor through the
mounting hole with appropriate fas-
tening material, e.g. with a screw.
¨The water sensor is mounted.
5. Plug the cable of the solenoid valve
into the right-hand socket of the water
protection switch (item 2, Figure 1).
6. Lay the cable of the solenoid valve to
the place of use.
Note
Only skilled users are allowed to install
the solenoid valve between the unit and
the water supply.
Note
Tighten the union nuts manually. Do not
use any tools. The union nuts may be
damaged by this.
Have the water supply installed by a
professional if in doubt.
1
2
3
4
5
6
7
Figure 4 Connecting the solenoid valve
Item Designation
1 Water supply
2 Prefilter
3 Union nut solenoid valve
4 Solenoid valve
5 Seal
6 Union nut water hose
7 Water hose
7. Screw the solenoid valve (item4,Fig-
ure 4) incl. pre-filter (item 2,Figure 4)
with the union nut (item 3,Figure 4)
to the water supply (item 1,Figure 4).
8. Screw the hose of the device
(item7,Figure 4) to the other side of
the solenoid valve using the union nut
(item6,Figure 4) and a suitable seal
(item5,Figure 4).
¨The solenoid valve is mounted.
9You have mounted the water protec-
tion switch.
Note
When switched, the solenoid valve will
heat up to a safe temperature. This is due
to technical reasons and is safe for use.
3. Technical data
Ambient temperature 0 ...+50°C
Relative humidity <80%
Dimensions WSS1
length, width, height 98mm, 60mm,
41mm
Dimensions WSS1V
Length, width, height 84mm, 54mm,
40mm
Dimensions
water sensor
length, width, height
75mm,
30mm,
8mm
Weight WSS1 157g
Weight WSS1V 315g
Weight
water sensor 56g
Operating voltage 230V AC
Power consumption approx. 5.0
W
Power consumption
standby approx. 0.5W
Switching capacity
(resistive load) max. 3680 W
Trigger sensitivity ≈100 kOhm
Protection class IP20
Water sensor connec-
tion 3.5mm
Solenoid valve
connection 2.5mm
Alarm volume approx. 80 dB
Water connection G3/4
Cable lengths approx. 2 m
2
1
Figure 1 Sockets of the water protection switch
Item Designation
1 Input water sensor
2 Solenoid valve input
4. Scope of delivery
Water protection switch WSS1
Solenoid valve WSS1V
Water sensor
www.h-tronic.de
6. Commissioning
6.1 Display
1
2
3
4
5
6
7
Figure 5 Display of the water protection switch
Item Colour Designation
1 green "Power" LED
2 orange "Valve" LED
3 red "Water" LED
4 red "Sensor error" LED
5 red "Valve error" LED
6 red "Alarm" LED
7 grey Button
6.2 Device connection
Do not operate any safety-relevant applica-
tions on the water protection switch.
For connecting a device to the water protec-
tion switch:
1. Open the water supply at the faucet.
2. Check the tightness of the connection.
3. Push the button on the water protection
switch (item 7, Figure 5).
¨The "Valve" LED lights up (item 2, Figure
5).
¨The integrated socket on the water
protection switch is turned on.
¨The solenoid valve is open.
4. Plug the power cable of the device
into the socket of the water protection
switch.
Figure 6 Plugging the device into the water pro-
tection switch
9You have connected the device to the
water protection switch.
The power and water supply to the unit are
not interrupted while there is no leakage or
fault.

2. Push the button (item 7, Figure 5).
¨The integrated socket on the water
protection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected sole-
noid valve. Replace it if necessary. Only
use original spare parts.
8. Extension
For powerful 230 V AC devices whose
switching capacity briefly exceeds the per-
mitted 3680 W upon activation, use the
water protection switch together with the
inrush current limiter SCL 3680 (part no.:
1114730)
9. Maintenance and care
9.1 Monthly inspections
Check for leaks in the solenoid valve
connections at least once a month.
Re-tighten the screw caps if they detect
this.
Manually trigger the alarm of the water
protection switch at least once a month.
Check both as follows:
1. Use a dry cloth on the water connec-
tions of the solenoid valve to determine
if it is getting wet.
-If not, you have checked the tight-
ness.
-If it does, tighten the screw caps
and check the pre-filter including the
seal for damage.
2. Touch both contacts of the water sen-
sor with a metal object, e.g. a screw.
¨The error "Water sensor detects water"
occurs.
9You have checked the solenoid valve
and water sensor.
Note
If this process cannot be performed, there
may be a defect at the water protection
switch in the connected solenoid valve
water protection switch or water sensor.
Replace them if necessary. Only use orig-
inal spare parts.
7. Errors
Water sensor detects water:
Alarm sounds.
The "Water" LED lights up and "Alarm"
flashes.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Eliminate the detected wetness.
¨The "Water" LED goes out.
2. Push the button (item 7, Figure 5).
¨The alarm is reset.
3. Push the button again.
¨The "Valve" LED lights up.
¨The integrated socket on the water pro-
tection switch is turned on.
¨The solenoid valve is open.
9The error has been remedied.
No water sensor connected:
Alarm sounds.
"Sensor error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Plug the cable of the water sensor into
the provided socket of the water protec-
tion switch (item 1, Figure 1).
¨The alarm is reset.
2. Push the button (item 7, Figure 5).
¨The integrated socket on the water pro-
tection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected water
sensor. Replace it if necessary. Only use
original spare parts.
No solenoid valve connected:
Alarm sounds.
The "Valve error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
The solenoid valve is closed.
Remedy:
1. Plug the cable of the solenoid valve into
the socket of the water protection switch
(item 2, Figure 1).
¨The alarm is reset.
Operating instructions
Water protection switch WSS1
Version 1.0 - translated from German
The water protection switch complies with
the essential requirements and other rele-
vant terms and conditions of Directives 2014/30/
EU, 2014/35/EU and 2011/65/EU.
The corresponding declarations and documents
are deposited with the manufacturer:
H-TRONIC GmbH, Industrial Area Dienhof 11,
D-92242 Hirschau
Technical Support [phone] tech-
[email protected]
These operating instructions are protected by cop-
yright. All rights reserved, especially the right of
reproduction and electronic processing.
© 2022 H-TRONIC GmbH
9.2 Cleaning
WARNING
Possibility of electric shock due
to incorrect cleaning.
`Disconnect the water protection
switch from the socket before
cleaning.
`Never immerse the water protection
switch in water.
Clean the tips of the water sensor with a
soft mist-damp cloth at least monthly.
Figure 7 Pre-filter of the solenoid valve
Clean the pre-filter of the solenoid valve at
least once a year under running water, de-
pending on the degree of contamination.
10. Decommissioning
Prerequisites:
The power and water supplies are shut
off.
The device has been unplugged from
the water protection switch.
How to disassemble the water protection
switch:
1. Disconnect the water protection
switch from the socket.
2. Unscrew the hose of the device from
the solenoid valve.
3. Unscrew the solenoid valve with the
union nut from the water supply.
4. Disconnect the solenoid valve plugs
from the water protection switch.
5. Disconnect the cable routing of the
solenoid valve.
¨The solenoid valve has been disas-
sembled.
6. Loosen the fastening of the water
sensor.
7. Disconnect the cable routing of the
water sensor.
8. Disconnect the water sensor plugs
from the water protection switch.
¨The water sensor is disassembled.
9The water protection switch has been
disassembled.
11. Disposal and recycling
The water protection switch must not
be disposed of with household
waste.
Disposal of the water protection switch, in-
cluding operating equipment, is governed
by the local disposal regulations and envi-
ronmental laws.
Waste equipment from private households
can be handed in at municipal collection
points or at retail take-back points. For
more information please contact your local
municipal authority.
Please dispose of materials that can be
recycled in a correct and environmentally
friendly way.

2. Push the button (item 7, Figure 5).
¨The integrated socket on the water
protection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected sole-
noid valve. Replace it if necessary. Only
use original spare parts.
8. Extension
For powerful 230 V AC devices whose
switching capacity briefly exceeds the per-
mitted 3680 W upon activation, use the
water protection switch together with the
inrush current limiter SCL 3680 (part no.:
1114730)
9. Maintenance and care
9.1 Monthly inspections
Check for leaks in the solenoid valve
connections at least once a month.
Re-tighten the screw caps if they detect
this.
Manually trigger the alarm of the water
protection switch at least once a month.
Check both as follows:
1. Use a dry cloth on the water connec-
tions of the solenoid valve to determine
if it is getting wet.
-If not, you have checked the tight-
ness.
-If it does, tighten the screw caps
and check the pre-filter including the
seal for damage.
2. Touch both contacts of the water sen-
sor with a metal object, e.g. a screw.
¨The error "Water sensor detects water"
occurs.
9You have checked the solenoid valve
and water sensor.
Note
If this process cannot be performed, there
may be a defect at the water protection
switch in the connected solenoid valve
water protection switch or water sensor.
Replace them if necessary. Only use orig-
inal spare parts.
7. Errors
Water sensor detects water:
Alarm sounds.
The "Water" LED lights up and "Alarm"
flashes.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Eliminate the detected wetness.
¨The "Water" LED goes out.
2. Push the button (item 7, Figure 5).
¨The alarm is reset.
3. Push the button again.
¨The "Valve" LED lights up.
¨The integrated socket on the water pro-
tection switch is turned on.
¨The solenoid valve is open.
9The error has been remedied.
No water sensor connected:
Alarm sounds.
"Sensor error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Plug the cable of the water sensor into
the provided socket of the water protec-
tion switch (item 1, Figure 1).
¨The alarm is reset.
2. Push the button (item 7, Figure 5).
¨The integrated socket on the water pro-
tection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected water
sensor. Replace it if necessary. Only use
original spare parts.
No solenoid valve connected:
Alarm sounds.
The "Valve error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
The solenoid valve is closed.
Remedy:
1. Plug the cable of the solenoid valve into
the socket of the water protection switch
(item 2, Figure 1).
¨The alarm is reset.
Operating instructions
Water protection switch WSS1
Version 1.0 - translated from German
The water protection switch complies with
the essential requirements and other rele-
vant terms and conditions of Directives 2014/30/
EU, 2014/35/EU and 2011/65/EU.
The corresponding declarations and documents
are deposited with the manufacturer:
H-TRONIC GmbH, Industrial Area Dienhof 11,
D-92242 Hirschau
Technical Support [phone] tech-
[email protected]
These operating instructions are protected by cop-
yright. All rights reserved, especially the right of
reproduction and electronic processing.
© 2022 H-TRONIC GmbH
9.2 Cleaning
WARNING
Possibility of electric shock due
to incorrect cleaning.
`Disconnect the water protection
switch from the socket before
cleaning.
`Never immerse the water protection
switch in water.
Clean the tips of the water sensor with a
soft mist-damp cloth at least monthly.
Figure 7 Pre-filter of the solenoid valve
Clean the pre-filter of the solenoid valve at
least once a year under running water, de-
pending on the degree of contamination.
10. Decommissioning
Prerequisites:
The power and water supplies are shut
off.
The device has been unplugged from
the water protection switch.
How to disassemble the water protection
switch:
1. Disconnect the water protection
switch from the socket.
2. Unscrew the hose of the device from
the solenoid valve.
3. Unscrew the solenoid valve with the
union nut from the water supply.
4. Disconnect the solenoid valve plugs
from the water protection switch.
5. Disconnect the cable routing of the
solenoid valve.
¨The solenoid valve has been disas-
sembled.
6. Loosen the fastening of the water
sensor.
7. Disconnect the cable routing of the
water sensor.
8. Disconnect the water sensor plugs
from the water protection switch.
¨The water sensor is disassembled.
9The water protection switch has been
disassembled.
11. Disposal and recycling
The water protection switch must not
be disposed of with household
waste.
Disposal of the water protection switch, in-
cluding operating equipment, is governed
by the local disposal regulations and envi-
ronmental laws.
Waste equipment from private households
can be handed in at municipal collection
points or at retail take-back points. For
more information please contact your local
municipal authority.
Please dispose of materials that can be
recycled in a correct and environmentally
friendly way.

2. Push the button (item 7, Figure 5).
¨The integrated socket on the water
protection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected sole-
noid valve. Replace it if necessary. Only
use original spare parts.
8. Extension
For powerful 230 V AC devices whose
switching capacity briefly exceeds the per-
mitted 3680 W upon activation, use the
water protection switch together with the
inrush current limiter SCL 3680 (part no.:
1114730)
9. Maintenance and care
9.1 Monthly inspections
Check for leaks in the solenoid valve
connections at least once a month.
Re-tighten the screw caps if they detect
this.
Manually trigger the alarm of the water
protection switch at least once a month.
Check both as follows:
1. Use a dry cloth on the water connec-
tions of the solenoid valve to determine
if it is getting wet.
-If not, you have checked the tight-
ness.
-If it does, tighten the screw caps
and check the pre-filter including the
seal for damage.
2. Touch both contacts of the water sen-
sor with a metal object, e.g. a screw.
¨The error "Water sensor detects water"
occurs.
9You have checked the solenoid valve
and water sensor.
Note
If this process cannot be performed, there
may be a defect at the water protection
switch in the connected solenoid valve
water protection switch or water sensor.
Replace them if necessary. Only use orig-
inal spare parts.
7. Errors
Water sensor detects water:
Alarm sounds.
The "Water" LED lights up and "Alarm"
flashes.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Eliminate the detected wetness.
¨The "Water" LED goes out.
2. Push the button (item 7, Figure 5).
¨The alarm is reset.
3. Push the button again.
¨The "Valve" LED lights up.
¨The integrated socket on the water pro-
tection switch is turned on.
¨The solenoid valve is open.
9The error has been remedied.
No water sensor connected:
Alarm sounds.
"Sensor error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Plug the cable of the water sensor into
the provided socket of the water protec-
tion switch (item 1, Figure 1).
¨The alarm is reset.
2. Push the button (item 7, Figure 5).
¨The integrated socket on the water pro-
tection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected water
sensor. Replace it if necessary. Only use
original spare parts.
No solenoid valve connected:
Alarm sounds.
The "Valve error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
The solenoid valve is closed.
Remedy:
1. Plug the cable of the solenoid valve into
the socket of the water protection switch
(item 2, Figure 1).
¨The alarm is reset.
Operating instructions
Water protection switch WSS1
Version 1.0 - translated from German
The water protection switch complies with
the essential requirements and other rele-
vant terms and conditions of Directives 2014/30/
EU, 2014/35/EU and 2011/65/EU.
The corresponding declarations and documents
are deposited with the manufacturer:
H-TRONIC GmbH, Industrial Area Dienhof 11,
D-92242 Hirschau
Technical Support [phone] tech-
[email protected]
These operating instructions are protected by cop-
yright. All rights reserved, especially the right of
reproduction and electronic processing.
© 2022 H-TRONIC GmbH
9.2 Cleaning
WARNING
Possibility of electric shock due
to incorrect cleaning.
`Disconnect the water protection
switch from the socket before
cleaning.
`Never immerse the water protection
switch in water.
Clean the tips of the water sensor with a
soft mist-damp cloth at least monthly.
Figure 7 Pre-filter of the solenoid valve
Clean the pre-filter of the solenoid valve at
least once a year under running water, de-
pending on the degree of contamination.
10. Decommissioning
Prerequisites:
The power and water supplies are shut
off.
The device has been unplugged from
the water protection switch.
How to disassemble the water protection
switch:
1. Disconnect the water protection
switch from the socket.
2. Unscrew the hose of the device from
the solenoid valve.
3. Unscrew the solenoid valve with the
union nut from the water supply.
4. Disconnect the solenoid valve plugs
from the water protection switch.
5. Disconnect the cable routing of the
solenoid valve.
¨The solenoid valve has been disas-
sembled.
6. Loosen the fastening of the water
sensor.
7. Disconnect the cable routing of the
water sensor.
8. Disconnect the water sensor plugs
from the water protection switch.
¨The water sensor is disassembled.
9The water protection switch has been
disassembled.
11. Disposal and recycling
The water protection switch must not
be disposed of with household
waste.
Disposal of the water protection switch, in-
cluding operating equipment, is governed
by the local disposal regulations and envi-
ronmental laws.
Waste equipment from private households
can be handed in at municipal collection
points or at retail take-back points. For
more information please contact your local
municipal authority.
Please dispose of materials that can be
recycled in a correct and environmentally
friendly way.

2. Push the button (item 7, Figure 5).
¨The integrated socket on the water
protection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected sole-
noid valve. Replace it if necessary. Only
use original spare parts.
8. Extension
For powerful 230 V AC devices whose
switching capacity briefly exceeds the per-
mitted 3680 W upon activation, use the
water protection switch together with the
inrush current limiter SCL 3680 (part no.:
1114730)
9. Maintenance and care
9.1 Monthly inspections
Check for leaks in the solenoid valve
connections at least once a month.
Re-tighten the screw caps if they detect
this.
Manually trigger the alarm of the water
protection switch at least once a month.
Check both as follows:
1. Use a dry cloth on the water connec-
tions of the solenoid valve to determine
if it is getting wet.
-If not, you have checked the tight-
ness.
-If it does, tighten the screw caps
and check the pre-filter including the
seal for damage.
2. Touch both contacts of the water sen-
sor with a metal object, e.g. a screw.
¨The error "Water sensor detects water"
occurs.
9You have checked the solenoid valve
and water sensor.
Note
If this process cannot be performed, there
may be a defect at the water protection
switch in the connected solenoid valve
water protection switch or water sensor.
Replace them if necessary. Only use orig-
inal spare parts.
7. Errors
Water sensor detects water:
Alarm sounds.
The "Water" LED lights up and "Alarm"
flashes.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Eliminate the detected wetness.
¨The "Water" LED goes out.
2. Push the button (item 7, Figure 5).
¨The alarm is reset.
3. Push the button again.
¨The "Valve" LED lights up.
¨The integrated socket on the water pro-
tection switch is turned on.
¨The solenoid valve is open.
9The error has been remedied.
No water sensor connected:
Alarm sounds.
"Sensor error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Plug the cable of the water sensor into
the provided socket of the water protec-
tion switch (item 1, Figure 1).
¨The alarm is reset.
2. Push the button (item 7, Figure 5).
¨The integrated socket on the water pro-
tection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected water
sensor. Replace it if necessary. Only use
original spare parts.
No solenoid valve connected:
Alarm sounds.
The "Valve error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
The solenoid valve is closed.
Remedy:
1. Plug the cable of the solenoid valve into
the socket of the water protection switch
(item 2, Figure 1).
¨The alarm is reset.
Operating instructions
Water protection switch WSS1
Version 1.0 - translated from German
The water protection switch complies with
the essential requirements and other rele-
vant terms and conditions of Directives 2014/30/
EU, 2014/35/EU and 2011/65/EU.
The corresponding declarations and documents
are deposited with the manufacturer:
H-TRONIC GmbH, Industrial Area Dienhof 11,
D-92242 Hirschau
Technical Support [phone] tech-
[email protected]
These operating instructions are protected by cop-
yright. All rights reserved, especially the right of
reproduction and electronic processing.
© 2022 H-TRONIC GmbH
9.2 Cleaning
WARNING
Possibility of electric shock due
to incorrect cleaning.
`Disconnect the water protection
switch from the socket before
cleaning.
`Never immerse the water protection
switch in water.
Clean the tips of the water sensor with a
soft mist-damp cloth at least monthly.
Figure 7 Pre-filter of the solenoid valve
Clean the pre-filter of the solenoid valve at
least once a year under running water, de-
pending on the degree of contamination.
10. Decommissioning
Prerequisites:
The power and water supplies are shut
off.
The device has been unplugged from
the water protection switch.
How to disassemble the water protection
switch:
1. Disconnect the water protection
switch from the socket.
2. Unscrew the hose of the device from
the solenoid valve.
3. Unscrew the solenoid valve with the
union nut from the water supply.
4. Disconnect the solenoid valve plugs
from the water protection switch.
5. Disconnect the cable routing of the
solenoid valve.
¨The solenoid valve has been disas-
sembled.
6. Loosen the fastening of the water
sensor.
7. Disconnect the cable routing of the
water sensor.
8. Disconnect the water sensor plugs
from the water protection switch.
¨The water sensor is disassembled.
9The water protection switch has been
disassembled.
11. Disposal and recycling
The water protection switch must not
be disposed of with household
waste.
Disposal of the water protection switch, in-
cluding operating equipment, is governed
by the local disposal regulations and envi-
ronmental laws.
Waste equipment from private households
can be handed in at municipal collection
points or at retail take-back points. For
more information please contact your local
municipal authority.
Please dispose of materials that can be
recycled in a correct and environmentally
friendly way.

2. Push the button (item 7, Figure 5).
¨The integrated socket on the water
protection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected sole-
noid valve. Replace it if necessary. Only
use original spare parts.
8. Extension
For powerful 230 V AC devices whose
switching capacity briefly exceeds the per-
mitted 3680 W upon activation, use the
water protection switch together with the
inrush current limiter SCL 3680 (part no.:
1114730)
9. Maintenance and care
9.1 Monthly inspections
Check for leaks in the solenoid valve
connections at least once a month.
Re-tighten the screw caps if they detect
this.
Manually trigger the alarm of the water
protection switch at least once a month.
Check both as follows:
1. Use a dry cloth on the water connec-
tions of the solenoid valve to determine
if it is getting wet.
-If not, you have checked the tight-
ness.
-If it does, tighten the screw caps
and check the pre-filter including the
seal for damage.
2. Touch both contacts of the water sen-
sor with a metal object, e.g. a screw.
¨The error "Water sensor detects water"
occurs.
9You have checked the solenoid valve
and water sensor.
Note
If this process cannot be performed, there
may be a defect at the water protection
switch in the connected solenoid valve
water protection switch or water sensor.
Replace them if necessary. Only use orig-
inal spare parts.
7. Errors
Water sensor detects water:
Alarm sounds.
The "Water" LED lights up and "Alarm"
flashes.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Eliminate the detected wetness.
¨The "Water" LED goes out.
2. Push the button (item 7, Figure 5).
¨The alarm is reset.
3. Push the button again.
¨The "Valve" LED lights up.
¨The integrated socket on the water pro-
tection switch is turned on.
¨The solenoid valve is open.
9The error has been remedied.
No water sensor connected:
Alarm sounds.
"Sensor error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
Stomach valve is closed.
Remedy:
1. Plug the cable of the water sensor into
the provided socket of the water protec-
tion switch (item 1, Figure 1).
¨The alarm is reset.
2. Push the button (item 7, Figure 5).
¨The integrated socket on the water pro-
tection switch is turned on.
¨The "Valve" LED lights up.
¨The solenoid valve is open.
9The error has been remedied.
Note
If this process cannot be performed, there
may be a defect in the connected water
sensor. Replace it if necessary. Only use
original spare parts.
No solenoid valve connected:
Alarm sounds.
The "Valve error" and "Alarm" LEDs flash.
The integrated socket on the water protec-
tion switch is turned off.
The "Valve" LED goes out.
The solenoid valve is closed.
Remedy:
1. Plug the cable of the solenoid valve into
the socket of the water protection switch
(item 2, Figure 1).
¨The alarm is reset.
Operating instructions
Water protection switch WSS1
Version 1.0 - translated from German
The water protection switch complies with
the essential requirements and other rele-
vant terms and conditions of Directives 2014/30/
EU, 2014/35/EU and 2011/65/EU.
The corresponding declarations and documents
are deposited with the manufacturer:
H-TRONIC GmbH, Industrial Area Dienhof 11,
D-92242 Hirschau
Technical Support [phone] tech-
[email protected]
These operating instructions are protected by cop-
yright. All rights reserved, especially the right of
reproduction and electronic processing.
© 2022 H-TRONIC GmbH
9.2 Cleaning
WARNING
Possibility of electric shock due
to incorrect cleaning.
`Disconnect the water protection
switch from the socket before
cleaning.
`Never immerse the water protection
switch in water.
Clean the tips of the water sensor with a
soft mist-damp cloth at least monthly.
Figure 7 Pre-filter of the solenoid valve
Clean the pre-filter of the solenoid valve at
least once a year under running water, de-
pending on the degree of contamination.
10. Decommissioning
Prerequisites:
The power and water supplies are shut
off.
The device has been unplugged from
the water protection switch.
How to disassemble the water protection
switch:
1. Disconnect the water protection
switch from the socket.
2. Unscrew the hose of the device from
the solenoid valve.
3. Unscrew the solenoid valve with the
union nut from the water supply.
4. Disconnect the solenoid valve plugs
from the water protection switch.
5. Disconnect the cable routing of the
solenoid valve.
¨The solenoid valve has been disas-
sembled.
6. Loosen the fastening of the water
sensor.
7. Disconnect the cable routing of the
water sensor.
8. Disconnect the water sensor plugs
from the water protection switch.
¨The water sensor is disassembled.
9The water protection switch has been
disassembled.
11. Disposal and recycling
The water protection switch must not
be disposed of with household
waste.
Disposal of the water protection switch, in-
cluding operating equipment, is governed
by the local disposal regulations and envi-
ronmental laws.
Waste equipment from private households
can be handed in at municipal collection
points or at retail take-back points. For
more information please contact your local
municipal authority.
Please dispose of materials that can be
recycled in a correct and environmentally
friendly way.