Beko BM33U User guide

EN - english
Instructions for installation and operation
Condensate drain
BEKOMAT®33U / 33U CO
(BM33U / BM33UCO)
01-1619

2 BEKOMAT® 33U / 33U CO
Dear customer,
Thank you for deciding in favour of the BEKOMAT® 33U / 33U CO condensate drain. Please
read the installation and operating instructions carefully before mounting and starting up the
BEKOMAT® 33U / 33U CO , and follow our directions. Perfect functioning of the BEKOMAT® 33U / 33U CO ,
and thus reliable condensate discharge, can only be guaranteed when the provisions and notes stipulated
here are strictly adhered to.

BEKOMAT® 33U / 33U CO 3
1Pictograms and symbols ........................................................................................................................ 4
2Safety instructions .................................................................................................................................. 4
3Proper use .............................................................................................................................................. 6
4Exclusion from the scope of application ................................................................................................. 6
5Technical data ........................................................................................................................................ 7
6Electrical data ......................................................................................................................................... 8
7Dimension drawing ................................................................................................................................. 9
8Climate zones and performance data .................................................................................................. 10
9Function ................................................................................................................................................ 11
10Installation ............................................................................................................................................ 14
11Electrical installation ............................................................................................................................. 17
12Inspection and maintenance ................................................................................................................ 21
13Troubleshooting and fault elimination .................................................................................................. 27
14Elements and components ................................................................................................................... 28
15Recommended spare parts .................................................................................................................. 28
16Accessories .......................................................................................................................................... 29
17Declaration of conformity ..................................................................................................................... 30

Pictograms and symbols
4 BEKOMAT® 33U / 33U CO
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1 Pictograms and symbols
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Observe the installation and operating instructions
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Observe the installation and operating instructions (on the type plate)
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General danger symbol (danger, warning, caution)
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General danger symbol (danger, warning, caution) for supply voltage and
supply voltage-carrying plant components
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2 Safety instructions
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Please check whether or not these instructions correspond to the device type.
Adhere to all advice given in these operating instructions. They include essential information
which must be observed during the installation, operation and maintenance. Therefore it is
imperative for the service technician and the responsible operator / technical staff to read
these operating instructions prior to installation, start-up and maintenance.
The operating instructions must be accessible at any time at the place of application of
the BEKOMAT® 33U / 33U CO .
In addition to these operating instructions, local or national regulations must be complied with,
if necessary.
Make sure that the BEKOMAT® 33U / 33U CO is operated only within the permissible limit
values indicated on the type plate. Any deviation involves a risk for persons and materials,
and may result in malfunction and service failures.
If you have any queries regarding these installation- and operating instructions, please
contact BEKO TECHNOLOGIES GMBH.
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Danger!
Compressed air!
Risk of serious injury or death through contact with quickly or suddenly escaping
compressed air or through bursting plant components or plant components which
are not secured.
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Measures:
• Do not exceed the maximum operating pressure (see type plate).
• Only carry out service measures when the system is pressureless.
• Use pressure-resistant installation material only.
• The feed pipe must be tubed firmly.
Discharge pipe: short, fixed pressure hose onto pressure-resistant pipe.
• Make sure that persons or objects cannot be hit by condensate or escaping compressed air.
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Safety instructions
BEKOMAT® 33U / 33U CO 5
Danger!
Supply voltage!
There is the risk of an electric shock involving injury or death when coming into contact
with non-insulated components carrying supply voltage.
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Measures:
• During electric installations, all regulations in force need to be adhered to (e.g. VDE 0100 / IEC 60364).
• When the control unit is open, service and installation works must only be undertaken when the
system is deactivated.
• The removed control unit has no IP degree of protection.
• All types of electrical works must be carried out by authorised and qualified personnel only.
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Further safety instructions:
• For installation and operation, the national regulations and safety codes in force
must also be adhered to.
• Do not use the BEKOMAT® 33U / 33U CO in hazardous areas.
• Regarding the inlet screw joints, excessive tightening forces must be avoided.
This applies in particular to conical screw joints.
• The BEKOMAT® 33U / 33U CO will only function when voltage is applied.
• Do not use the test button for permanent drainage.
• Use genuine spare parts only. This is imperative to ensure perfect functioning.
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Additional advice:
• During installation, use the spanner flat at the feed pipe (wrench size SW28 + 34) as a back rest.
• The service unit must not be dismantled.
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Caution!
Malfunction during operation!
Through incorrect installation and poor maintenance, malfunction may occur at the
BEKOMAT® .
Condensate which is not discharged may cause damage to plants and in production
processes.
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r
Measures:
• Condensate drainage which is reliable in performance directly optimises the compressed-air quality.
• To prevent damage and breakdowns, it is imperative to observe the following:
• Exact compliance with the specifications of use and with the performance parameters of
the BEKOMAT®, in connection with the case of application (see "Proper use" section)
• Exact compliance with the installation- and operation instructions in this manual
• Regular maintenance and control of the BEKOMAT® in accordance with the instructions
in this operating manual
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Proper use
6 BEKOMAT® 33U / 33U CO
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3 Proper use
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• The BEKOMAT® 33U / 33U CO is an electronically level-controlled condensate drain for compressed-air
plants.
• The device is employed within the permissible performance parameters (see "Technical data").
• The BEKOMAT® 33U / 33U CO is able to drain condensate under operating pressure from the
plant components virtually without compressed-air loss.
• For its function, the BEKOMAT® 33U / 33U CO requires a supply voltage and an operating pressure
(see "Technical data").
• As far as the employment in plants with increased demands on compressed air is concerned
(food industry, medical technology, laboratory equipment, special processes etc.), the operator
must decide on measures for the monitoring of the compressed-air quality. These have an effect
on the safety of the subsequent processes and may prevent damage to persons and plants.
• It is the task of the operator to ensure that the indicated conditions are met during the entire
operating time.
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• For the employment in CO2 plants, a BEKOMAT® with a CO specification must be used.
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4 Exclusion from the scope of application
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• The BEKOMAT® 33U / 33U CO as a condensate drain alone cannot guarantee a defined
compressed-air quality, for this purpose, other additional technical devices are required.
• BEKOMAT® 33U / 33U CO is not suitable for use in plants carrying vacuum or atmospheric
ambient pressure or in ex-areas.
• The BEKOMAT® 33U / 33U CO must not be exposed to permanent direct solar or thermal radiation.
• The BEKOMAT® 33U / 33U CO must not be installed and operated in areas with an aggressive
atmosphere.
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• The BEKOMAT® 33U / 33U CO is not heatable and, therefore, not suitable for the use in areas
where frost is likely to occur.
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Technical data
BEKOMAT® 33U / 33U CO 7
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5 Technical data
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min./max. operating pressure
(see type plate)
0,8...16 bar (12...230 psi)
or
1,2...16 bar (17...230 psi)
min./max. temperature
(see type plate)
+1...+60 °C (+34...+140 °F)
or
+1...+70 °C (+34...+158 °F)
Condensate inflow 3 x G ½ (NPT ½) internal
Condensate outflow G ½ Ø 13 mm hose connector
Condensate oil-contaminated + oil-free
Housing aluminium + plastic, glass fibre-reinforced
Weight (empty) 1.65 kg (3.63 lbs)
This product has been tested to the requirements of CAN/CSA-C22.2 No. 61010-1-12, third edition, inclu-
ding a later version of the same standard incorporating the same level of testing requirements.
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Max. performance for the "blue" climate zone – see also Chapter "Climate zones and performance data"
max. compressor performance 10 m³/min (350 scfm)
max. refrig.-dryer performance 20 m³/min (700 scfm)
max. filter performance 100 m³/min (3500 scfm)
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Electrical data
8 BEKOMAT® 33U / 33U CO
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6 Electrical data
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Supply voltage
(see type plate)
95…240 VAC ±10% (50…60 Hz) /100…125 VDC ±10%
or
24…48 VAC ±10% (50…60 Hz) / 18…72 VDC ±10%
Power consumption P = 0.6 ... 3 VA (W)
Recommended cable-jacket
diameter Ø 5.0…10 mm (0.20“…0.39“)
Recommended
wire cross-section
Spring-loaded terminal
(voltage supply/relay)
0.75...1.5 mm² (AWG 16...20)
Recommended
wire cross-section
Screw terminal
(voltage supply)
0.75...2.5 mm² (AWG 14...20)
Recommended
wire cross-section
Spring-loaded terminal
(external test)
0.75...1.5 mm² (AWG 16...20)
Recommended
wire cross-section
Screw terminal
(relay/external test)
0.75...1.5 mm² (AWG 16...20)
Recommended stripping of
cable jacket
(voltage supply/relay)
~ 30 mm (~ 1.18")
Recommended stripping of
cable jacket
(external test)
~ 90 mm (~ 3.54")
Recommended length of the
wire end tube
Spring-loaded terminal
~ 8 mm (~ 0.31 inch)
Recommended length of the
wire end tube
Screw terminal
~ 6 mm (~ 0.24 inch)
Connection data of the
potential-free contact
Switch to load *)
AC: max. 250V / 1A
DC: max. 30V / 1A
Connection data of the
potential-free contact
Switch to low signal *)
min. 5 VDC / 10 mA
Connection data of the
external test contact on the unit side 5 VDC; switching current ≥ 0,5 mA
Protection class IP 67
Overvoltage category
(IEC 61010-1) II
VAC = V alternating current
VDC = V direct current
*) The switching of loads means that the properties of the contact are no longer suitable
for the switching of low signals.
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Dimension drawing
BEKOMAT® 33U / 33U CO 9
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7 Dimension drawing
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SW = wrench size
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G½
Di 13=
M5
G½ (NPT½)
SW 28 SW 34
SW 34
157 (6.18)
25 (0.98)
92 (3.62)
147 (5.79)
73,4 (2.89)
198 (7.79)
34
(1.34)
8 Nm
2,5 Nm
0,9 ± 0,1 Nm

Climate zones and performance data
10 BEKOMAT® 33U / 33U CO
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8 Climate zones and performance data
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Climate zone
Max.
compressor performance
m³/min.
Max.
dryer performance
m³/min.
Max.
filter performance
m³/min.
green 12 24 120
blue 10 20 100
red 7 14 70
The indicated performance data are based on a moderate climate and apply to Europe, large parts
of Southeast Asia, North and South Africa, parts of North and South America (climate zone: blue).
For dry and / or cool climate (climate zone: green), the following factor applies:
performance in the "blue" climate zone approx. x 1.2
For warm and / or humid climate (tropics; climate zone: red), the following factor applies:
performance in the "blue" climate zone approx. x 0.7
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Function
BEKOMAT® 33U / 33U CO 11
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9 Function
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Via the inlet line (1) the condensate flows into
the BEKOMAT® 33U / 33U CO and accumulates
in the housing (2).
A capacitively functioning sensor (3) continuously
registers the filling level and relays a signal to the
electronic control as soon as the container is filled.
The pilot valve (4) is activated and the membrane (5)
opens the outlet line to discharge the condensate (6).
When the BEKOMAT® 33U / 33U CO is empty,
the outlet line is reclosed tightly in time before
unnecessary compressed-air losses occur.
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31 2
4
5
6

Function
12 BEKOMAT® 33U / 33U CO
At the BEKOMAT® 33U / 33U CO, two LEDs
indicate the individual operating states.
When applying supply voltage, the
BEKOMAT® 33U / 33U CO carries out a self-test.
Both LEDs are lit for approximately 1 second,
subsequently, the device changes over to the
"ready-to-operate" state.
Ready to operate, voltage is applied.
In the event that the condensate discharge
is disturbed, an alarm mode will start which is
indicated by the flashing of the red alarm LED.
Malfunction/alarm
Test of the valve function (manual drainage):
press and hold the button for approximately 2 s.
Test of the alarm function (see below):
press and hold the button for at least 1 min.
Do not use for permanent drainage.
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.
Switching sequence of the valve in the alarm
mode
Alarm mode:
In the event that the condensate discharge is
disturbed, the valve opens after a time cycle
(approx. every three seconds) to eliminate
the malfunction automatically. If the malfunction
is not eliminated after one minute, a trouble
indication is released:
• The alarm LED flashes
• The alarm relay switches over
(the signal can be picked off potential-freely).
• The valve opens every four minutes for 7.5
seconds.
• When the malfunction has been eliminated,
the BEKOMAT® will switch back automatically
into the normal mode.
Possible trouble sources include:
• Mistakes during installation
• Dropping below the minimum pressure
• Excessive accumulation of condensate
(excess load)
• Blocked / obstructed outlet line
• Extreme amount of dirt particles
• Frozen pipework
Trouble indication via a potential-free contact
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Function
BEKOMAT® 33U / 33U CO 13
The BEKOMAT® 33U / 33U CO releases
a maintenance message for a service that
is to be carried out.
Depending on the operating mode, a visual
maintenance message (service) is activated
which signalises the replacement of the service unit.
The maintenance message is indicated
by the flashing supply voltage-LED "Power".
The maintenance message is released after
2 x 8.760 h or one million switching cycles.
The maintenance signal is released
when one of these two values is reached.
In the event of a power outage or when the energy
supply is deactivated, the status of the timer will be
maintained.
The activities to be carried out regarding
maintenance are described in the chapter
entitled "Check and maintenance".
Prior to the replacement of the service unit, a reset
needs to be carried out. The control unit is released
by actuating the arresting hook. When removed, the
TEST button must be pressed and held for at least
five seconds.
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Installation
14 BEKOMAT® 33U / 33U CO
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10 Installation
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Danger!
Compressed air!
Risk of serious injury or death through contact with quickly or suddenly escaping
compressed air or through bursting plant components or plant components which
are not secured.
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Measures:
• Do not exceed the maximum operating pressure (see type plate).
• Only carry out service measures when the system is pressureless.
• Use pressure-resistant installation material only.
• The feed pipe must be tubed firmly.
Discharge pipe: short, fixed pressure hose onto pressure-resistant pipe.
• Make sure that persons or objects cannot be hit by condensate or escaping compressed air.
Pos: 48 /Beko Technische Doku mentation/Sicher heit/Vorsic ht Fehlfunktion @ 0\mod_12143780 96290_2901.doc x @ 9360 @ @ 1
Caution!
Malfunction during operation!
Through incorrect installation and poor maintenance, malfunction may occur at the
BEKOMAT® .
Condensate which is not discharged may cause damage to plants and in production
processes.
Pos: 49 /Beko Technische Doku mentation/Sicher heit/Maßnahmen Fe hlfunktionen B M @ 0\mod_121437 8434025_2901.d ocx @ 9379 @ @ 1
r
Measures:
• Condensate drainage which is reliable in performance directly optimises the compressed-air quality.
• To prevent damage and breakdowns, it is imperative to observe the following:
• Exact compliance with the specifications of use and with the performance parameters of
the BEKOMAT®, in connection with the case of application (see "Proper use" section)
• Exact compliance with the installation- and operation instructions in this manual
• Regular maintenance and control of the BEKOMAT® in accordance with the instructions
in this operating manual

Installation
BEKOMAT® 33U / 33U CO 15
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Note:
It is imperative to observe all hazard statements and warnings listed here.
Please also observe all regulations and notes regarding industrial safety and fire prevention at the place
of installation.
As a matter of principle, only use suitable and appropriate tools and materials in a proper condition.
Do not use aggressive cleaners and improper devices such as high-pressure cleaners.
Please note that condensates may contain aggressive or harmful components. Therefore, skin contact
should be avoided.
Condensate is subject to mandatory waste disposal. As such, it must be collected in suitable containers,
and disposed of or processed properly.
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Installation instructions:
• Only the displayed installation position of the
BEKOMAT® (3) is permissible. Never install
in a horizontal or any other tilted position.
• Feed pipe (1) and ball valve (2) at least G½.
• No filter or screen in the inlet line.
• Slope in the inlet line >1%.
• Use ball valves (2) only.
• Operating pressure: min. 0,8/1,2 bar (12/17 psig),
max. 16 bar (230 psig). See type plate.
• Short pressure hose (4) fixed
on a pressure-resistant pipe.
• The required minimum pressure increases
by 0,1 bar (1,4 psi) per metre gradient in
the discharge pipe (5).
• Discharge pipe (5) rising by max. 5 m (16,4ft).
• Install manifold (6) ¾" with a slope of 1%.
• Introduce the discharge pipe (5)
from the top into the manifold (6).
• Prior to the start-up, always carry out a leak test
and verify the correct engagement of the control
unit.
31 2 4 5 6

Installation
16 BEKOMAT® 33U / 33U CO
wrong correct
Pressure differences!
Each condensate accumulation point
must be drained separately.
Continuous slope!
Avoid a water pocket when installing the feed pipe
Deflector area!
If drainage is to be carried out directly from the pipe,
deflection of the air flow will be useful.
Ventilation!
If the slope in the inlet line is not sufficient or if any
other inflow problems occur, a venting line needs
to be installed.
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Electrical installation
BEKOMAT® 33U / 33U CO 17
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11 Electrical installation
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Danger!
Supply voltage!
There is the risk of an electric shock involving injury or death when coming into contact
with non-insulated components carrying supply voltage.
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Measures:
• During electric installations, all regulations in force need to be adhered to (e.g. VDE 0100 / IEC 60364).
• When the control unit is open, service and installation works must only be undertaken when the
system is deactivated.
• The removed control unit has no IP degree of protection.
• All types of electrical works must be carried out by authorised and qualified personnel only.
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Note:
Power supply connection:
1.Read the permissible supply voltage on the type
plate and make sure this voltage is observed.
2. For the supply voltage, a reliably accessible
separator must be provided close-by
(e.g. power plug or switch), which separates
all current-carrying conductors.
3. At a low-voltage supply (< 50 VAC / < 75 VDC),
only use a protective extra-low-voltage.
4. Carry out installation in accordance with
VDE 0100 / IEC 60364.
5. Observe the terminal assignment.
6. Do not install when the device is energised.
7. Unscrew the screws (1) and remove
the upper part of the cover (2).
8. Unscrew the threaded cable connection (3),
remove the plug (if there is one), and lead
the cable (4) for the power supply through.
9. Connect the cable (4) with terminals X1 (1.1, 1.2)
(5).
10. Install the cables as shown (see also
terminal assignment in the following text).
11. Tighten the threaded cable connection (3)
with a slightly sealing effect.
12. Put on the upper part of the cover (2)
and tighten the screws (1) fingertight.

X1.2 X1.1
N/- L/+
X2.3 X2.2 X2.1
X3.1 X3.2
NC CO NO
IN1 GND
1
2
3
5
4

Electrical installation
18 BEKOMAT® 33U / 33U CO
Connection of the potential-free contact and of
the external test:
1. Selection of the suitable cable.
2. Connection to X2 and X3,
as shown in the adjacent illustration.
3. The installation steps are the same
as for the power supply connection.
4. If the potential-free contact carries voltage
that is dangerous in the case of contact,
a corresponding separator must also be
provided, as described above.
5. When using the potential-free contacts and the
connection external test, sufficient clearance to
the other parts of the unit, or suitable insulation
in accordance with EN 60664-1 must be ensured.
6. When using a multiwire, common line for the
connection of the potential-free contact and the
external test, this line must be suitable for the
highest occurring voltage and the intended
temperature range with regard to its nominal
ratings.

Electrical installation
BEKOMAT® 33U / 33U CO 19
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Terminal assignment supply voltage (operating voltage)
X 1 X 2 X 3 Power supply
• X 1.1 L/+
• X 1.2 N/-
L = Outer conductor
N = Neutral conductor
L/+
N/-
NO CO
NC
IN1
GND
phase neutral normally open common normally closed external test (IN1) GND
1.1 1.2 2.1 2.2 2.3 3.1 3.2
Terminal assignment low voltage (operating voltage)
X 1 X 2 X 3 Power supply
• X 1.1 L/+
• X 1.2 N/-
L/+
N/-
NO CO
NC
IN1
GND
power power normally open common normally closed external test (IN1) GND
1.1 1.2 2.1 2.2 2.3 3.1 3.2
Terminal assignment of the potential-free contact and of the external test
X 1 X 2 X 3 Fault indication/potential-free contact:
• X 2.1 n.o.
• X 2.2 com.
• X 2.3 n.c.
n.c. - com. closed in the event of malfunction or power failure
n.o. - com. closed during normal operation
(closed current principle)
The contacts X2.1 - 2.3 are potential-free.
External test / remote control:
• X 3.1 external test (IN1)
• X 3.2 GND
Contacts connected = test active = discharge
Contacts open = test inactive
The contacts X 3.1 -3.2 are not potential-free.

L/+
N/-
NO CO
NC
IN1
GND
power power normally open common normally closed external test (IN1) GND
1.1 1.2 2.1 2.2 2.3 3.1 3.2

Electrical installation
20 BEKOMAT® 33U / 33U CO
Note:
At a low-voltage supply (< 50 VAC / < 75 VDC), only use a protective extra-low-voltage.
Tighten the threaded cable connection with a slightly sealing effect.
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Electric diagram
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+24 VDC
+ 5 VDC
Service Unit
IN1
POWE
R
ALARM
SENSOR
TEST
CONTROL
X2.2
X2.1
X2.3
n.c.
com.
n.o.
X3.1
X3.2
GND
ext. Test
spring contacts
GND
X1.2
X1.1
POWER
VALVE
L/+
N/-