Technibel Liberty 300 User manual

Made in
FRANCE
Référence 10.12.199 GB 01
Installation and Operating Instructions
The information within this document is not contractual, we reserve the right to modify without warning the technical characteristics and the equipment of all appliances.
LIBERTY300
Domestic hot water heat pump

SUMMARY
1 - RECOMMENDATIONS........................................................................4
Storage and transport ................................................................................................ 4
2 - INSTALLATION ..................................................................................5
2.1 Dimensions.............................................................................................................. 5
2.2 - Placement............................................................................................................. 5
2.2.1 - Air Intake................................................................................................................................................ 5
2.2.2 - Positioning............................................................................................................................................. 5
2.3 - Installation with air duct ...................................................................................... 6
2.4 - Air duct sizing........................................................................................................ 6
2.5 - Plumbing connections ........................................................................................ 6
2.6 - Condensate line connections................................................................................ 8
2.7 - Electrical connections ............................................................................................. 8
2.7.1 - External control (optional).................................................................................................................. 8
2.7.2 - Ventilation controled............................................................................................................................ 9
3 - SETUP AND USE ................................................................................9
3.1 - Control display .................................................................................................... 9
3.2 - Language setting................................................................................................ 10
3.3 - Program................................................................................................................ 10
3.4 - Time setting .......................................................................................................... 11
3.5 - Water temperature setting ................................................................................. 11
3.6 - Standby mode during vacation period........................................................... 11
3.7 - BOOST function (for better comfort) ................................................................. 12
3.8 - INSTALLER menu ................................................................................................... 12
3.8.1 - Parameter settings ............................................................................................................................. 12
3.8.1.1 - P A R . 0 1 -Heating mode ............................................................................................. 13
3.8.1.2 - P A R . 0 4 - Anti-legionellosis cycle............................................................................... 13
3.8.1.3 - P A R . 0 5 - Ventilation mode ........................................................................................ 13
3.8.1.4 - P A R . 0 6 - Ventilator speed ......................................................................................... 13
3.8.1.5 - P A R . 0 9 -Electric back up settings ............................................................................ 13
3.8.1.6 - P A R . 1 0 -Comfort function / Minimum temperature .............................................. 14
3.8.2 - Resetting Parameter ........................................................................................................................... 14
3.8.3 - Sensor reading ................................................................................................................................... 14
2
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4 - MAINTENANCE AND REPAIR ...........................................................15
4.1 - Water circuit / condensate draining ................................................................ 15
4.2 - Air intake circuit ................................................................................................... 15
4.3 - Anti-corrosion anode.......................................................................................... 15
4.4 - Troubleshooting................................................................................................... 16
4.5 - N.T.C. Sensors characteristics............................................................................. 16
4.6 - Error codes ........................................................................................................... 17
4.7 - Parts list ................................................................................................................. 18
5 - WARRANTY .....................................................................................20
5.1 - Warranty limits ..................................................................................................... 20
5.1.1 - General information .......................................................................................................................... 20
5.1.2 - Exclusion of warranty (non-limited) ................................................................................................. 20
5.1.2.1 - Use ........................................................................................................................................ 20
5.1.2.2 - Handling .............................................................................................................................. 21
5.1.2.3 - Placement ........................................................................................................................... 21
5.1.2.4 - Electrical connections ........................................................................................................ 21
5.1.2.5 - Hydraulic connections ....................................................................................................... 21
5.1.2.6 -Accessories ........................................................................................................................... 21
5.1.2.7 - Maintenance ....................................................................................................................... 21
6 - APPENDIX .......................................................................................22
6.1 - characteristics ..................................................................................................... 22
6.2 - Electrical schematic ........................................................................................... 23
6.3 - Cabling schematic ............................................................................................. 24
6.4 - Performance curves ........................................................................................... 26
6.4.1 - C.O.P. Evolution ................................................................................................................................... 26
6.4.2 - Heating time ....................................................................................................................................... 26
6.5 - Maintenance log ................................................................................................ 27
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• This appliance is not appropried for people (including children) with lake of physical and mental
capacity, or people without knowhow.
•The D.W.H.P (Domestic Water Heat Pump), Solar and Heat Pump is only used to heat tap water for
domestic use within the mentioned temperature limits.
The heating of liquids other than drinking water is not permitted. The technical rules related to drinking
water are to be respected.
• The temperature of the air taken in by the device must be between -7°C and +35°C. When the
temperature is less than -7°C or higher than +35°C, the water is no longer heated by the heat pump
but by the electrical backup. The functional benefits of diminish with proportion to the lowering of the
temperature of the air taken in by the device.
- The cover of this device must never be used for carrying or handling and is
not designed for this purpose.
- Rinse piping before connecting the device to the domestic hydraulic system.
- This device only functions when filled with water. Never activate the device unless the
tank is completely full and properly primed.
- The magnesium anti-corrosion anode guaranties the protection of the tank. An
annual inspection of the anode must be carried out. The anode must be replaced, if
necessary, to maintain the anti-corrosion protection of the tank. (see § «Anti-corrosion
anode»)
- It is recommended to carry out an occasional inspection for scaling followed by a
cleaning if necessary using the access flange designed for this purpose.
- Always turn the device off before opening it. Take into account the fact that the fan
could continue rotating due to inertia.
- Avoid getting water on the control panel. Before cleaning, turn the device off.
1 - RECOMMENDATIONS
Storage and transport
Keep the transport bag out
of the reach of children
(suffocation risk)
Summary of PERMITTED transport positions
4
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2 - INSTALLATION
2.1 Dimensions
2.2 - Placement
2.2.1 - Air Intake
2.2.2 - Positioning
To be considered when choosing the final placement:
• D.W.H.P must not be installed outdoor
• D.W.H.P must be installed in a room outdoor from frost. Also, the temperature of the air taken in must
range between -5°C and 35°C. When the temperature is below -5°C or above 35°C, the water is no
longer heated by the heat pump, but by the electrical backup.
• inlate air must be clear of any pollution, and dust.
• The air taken in must not originate from a heated room.
• The device must not be placed in a room which risks explosion due to gases, vapours or dust and
must not intake air from rooms with the same risks.
• The floor must be able to support the weight of the device (weight of D.W.H.P when full = approx.440kg)
• Position D.W.H.P and adjust the stands in such a way that it is level. A slight inclination to the right of
the device (1° max.) is acceptable.
Installation in a room
smaller than 20m² requires
ducts to take air in and to
blown air out
View from above
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In cases of connection with ducts, it is necessary to set the ventilation
speed 2 (see section “PAR.06 – Ventilation speed”)
Outdoor air Heated or
unheatedroom
0,5m mini
2m mini
2.3 - Installation with air duct
2.4 - Air duct sizing
The connection of D.W.H.P must be done using insulated air ducts of a nominal diameter of 160mm.The piping
can be connected either on the intake side, the blowing side or both.
Maximum length
of ducts + elbow (1m) =
Flexible duct : 10m
Rigid duct : 20m
Example :
(1) : Elbow 70°C – ø160 (Réf. 710133)
(2) : Insulated flexible hose
ø160 1g 10m
(Réf. 710137)
Silent flexible hose
with ø160 sleeve Ø160
(Réf. 710136)
(1)
(2)
2.5 - Plumbing connections
• It is mandatory to install a new pressure-relief valve (not included) set to 7 bars on the domestic cold water
supply of the device. Membrane type valve are recommended.
This pressure-relief valve must conform to the domestic standard.
• The pressure-relief valve must be installed as close as possible to the cold water inlet of the device and the
passage of water must never be hindered by any accessory (valve, pressure controller, etc...)
• The drain outlet of the pressure-relief valve must be sized following the requirements of construction
standard and must never be blocked. It must be connected by use of a funnel, allowing a minimum
20mm open space, to a vertical draining pipe of a diameter equal to the piping connection of the device.
• The drain outlet of the pressure-relief valve must be installed in a frost-free place and pointing downward.
• If the pressure of the domestic cold water supply is higher than 5 bars, install a pressure reducer above the
pressure-relief valve at the beginning of the installation (a pressure of 4 to 5 bars is recommended).
• It is advised to install a shut-off valve above the pressure-relief valve.
• In cases of installations equipped with
- piping of a small diameter
- ceramic plate valves
it is necessary to install, as close as possible to the shut-off valves, a domestic expansion vessel adapted to
the installation.
• For the domestic hot water circuit, use the following materials:
- copper
- galvanised steel
- brass
Depending on materials used in the hot water circuit, incompatibilities could result in damage due
to corrosion.
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In consequence, the connection of the device to the copper piping of the domestic hot water should
ALWAYS be carried out via a cast iron fitting, or steel, or with the help of dielectric connections (not
included) which will help to avoid any iron/copper galvanic bridge.
• Rinse the supply line piping before attaching it to the domestic installation of the device in order to avoid
the introduction of any particles, metallic or other.
• Respect the current standard in the country of use,notably those that concern domestic and pressure safety
conditions.
• The maximum temperature of the domestic hot water at delivering points should never surpass 50°C for the
toilet and 60°C for other uses. Install thermostatic mixing valves adequate enough to avoid any burn risks.
• In regions where the water contains high levels of limestone (TH > 20°F), it is recommended to treat water
with a softener. Softened water should conform to the criteria defined by the country’s norms.
• In all cases, softened or not, the latter should conform to the country’s hot water additional clause norms
concerning:
- chloride levels
- resistivity (between 2200 and 4500 ohm/cm)
- 12°F < TH < 30°F
- …
The warranty does not apply if these points are neglected or if the water
quality did not allow the correct treatment in the legal framework.
N.B. :
• Domestic hot water cycling loop: in order to save energy,it is recommended not to use domestic
hot water recycling.When a recycling line is attached to the hot water distribution systen, foresee
the possibility of a shut-off mechanism (valve or faucet) in order to limit useless energy loss. The
connection of the recycling line is carried out in funtion of need (with a timing command).
1. Shut of valve
2. Pressure reducer
3. One way valve
4. Insulating dielectric sleeve
5. Membrane pressure-relief valve
6. Domestic hot water recycling pump
7. Run-off siphon
8. Domestic expansion vessel
9. Thermostatic mixing valve
10. Drain valve
Strickly avoid recycling.
Otherwise, insulate ducts and
use a programmer to limit
energy consumptions.
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The device is polarised, respect the
polarity:
• Brown wire = 230V phase
• Blue wire = Neutral
• Green/Yellow wire = Ground
Grounding is mandatory
2.6 - Condensate line connections
• the condensate tube must run-off into open air before entering the siphon,
• do not attach it to a boot,
• no not bend he tube,
• keep the tube vertical and open toward the bottom.
The electrical supply must conform the current rules of the
country of installation.
Protect the device with:
• A 16A all-pole circuit-breaker with a minimum 3mm
contact opening
• A 16A circuit-breaker with a 30mA differential
When supply cable is damaged, it must be replaced by
the manufacturer, his aftersale service, or some qualified
people to prevent any danger.
2.7 - Electrical connections
To access the electrical connections,
remove the cover and the shell.
IMPORTANT: The upper cover and the
shell. form a set that must never be
split.
• Remove the cover of the device
by removing the screws (a) of the
shell. by the lower belt.
• Remove the black cover of the
electric box
Upper cover and
grommet set –
Do not split
Upper plate
Fig. 3-12
2.7.1 - External control (optional)
To forbid operation of electric back up during peak time, an external control can be connected.
• switch open = electric backup off
• switch closed = electric backup autorized
Do not connect voltage supply to the swith entry (entry 3) : risk of destroying the PCB
The switch (entry 3) does not control the heat pump operation, but only the electric backup
Peak time / off peak time operation
• Pass a 0.75 mm² 2 wire cable with metal tips through an
available cable gland at the back of the device and
bring the extremity of the cable to the electronic card.
The other end of the cable is to be connected to the
electrical service provider’s contact.
• Remove the black protection cover of the electronic
card.
• Insert the 2 wire cable via a grommet of the electronic
card.
• Attach the 2 wire cable on the entry of the electronic
card marked “Entrée 3” after having removed the
existing red bridge.
existing red bridge.
N.B. :
D.W.H.P can also operate using an internal
timing program (see section “Time
programming”).
8
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2.7.2 Ventilation controled
D.W.H.P can be used to permanently ventilate a room . This ventilation can be used to renew the air. In this case,
the connection of a humidity sensor (entry 2) allows to activate the operation of the ventilator in function to the
ambiant humidity. In all cases, the ventilator always operates with the heat pump.
• swith open = the ventilator does not operate
• switch closed = the ventilator operates
Set the regulator to mode “Ventilation with external control” (“PAR.05” set to mode 3 – see section “PAR.05
– Ventilation mode”)
3 - SETUP AND USE
Ensure the sealing and tightness of the entire circuit.
D.W.H.P functions with the heat pump as long as the temperature of the air taken in remains with the range
of -7°C to +35°C. Outside of this range, the electrical backup ensures the heating of domestic hot water.
The temperature of domestic hot water supplied by the heat pump is adjustable to 60°C. In function of the
volume of consumed water and to ensure savings, it is recommended to limit the temperature of domestic
hot water to a lower temperature.
In case of high domestic hot water consumption, D.W.H.P possesses a comfort function that increases the
heating capacity when there remains only 1/3 of the volume of the tank above 38°C (see section “PAR.10
– Minimum temperature”°.
In instances where there is a need for high amounts of domestic hot water, D.W.H.P possesses a “boost”
function (activated by the user) which ensures the quick heating of water to the desired temperature (50°C
for example) with the help of the heat pump and the electrical backup. This function is deactivated as
soon as the desired temperature is achieved (e.g. 50°C).
Periodically verify for alarms (in case of alarm, see section “Error message”).
3.1 - Control display
Signification of symbols :
.........Compressor activated
......Ventilation activated
(speed 1 or 2)
...........Defrosting
...........Electrical backup activated
........Need for domestic hot water
..........Econo-mode activated
(by time programming or external
activation)
..........Vacation mode activated
Menu button
Start/Stop
Clock settings
DialScreen
Fig. 4-1
9
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3.2 - Language setting
LA N G U E LA N G U E
AN G
• Direct access by pressing the Menu button.
• Turn the dial to scroll through the menu choices:
• Press «Menu» to escape
choice of
language
enter
3.3 - Program
SE T P R G .
MO N D A Y
To program autorization hours for heat pump,press the Clock button and keep press during 3 seconds.
choose the day
00 0 0 -_ _ _ _
0 6 : 3 0 h
set the end hour of
period 1
00 0 0 -0 6 3 0
H-G
set confort mode
(COMF) or Standby
mode (HG)
for period 1
06 3 0 -_ _ _ _
2 2 : 0 0 h
set the end hour of
period 2
06 3 0 -2 2 0 0
CO M F
set confort mode
(COMF) or Standby
mode (HG)
for period 2
repeat up to 7 periods per
day
CO P Y S U N .
copy of
program the
day before
CO P Y P R O G .
copy of
program
MO D I F P R G .
modification
of program
SE E P R O G .
to see a
program
Time for heating up of the tank
depends on outside temperatures.
Be carreful not to limit too much
operation of the appliance
10
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• Direct access by pressing “Clock settings”.
3.4 - Time setting
2 6 / 0 9 / 1 2
17:32
--/ 0 9 / 1 2
17:32
Day setting
26 / --/ 1 2
17:32
Month setting
2 6 / 0 9 / --
1 7 : 3 2
yearsetting
MON D A Y
--: 3 2
hoursetting
MON D A Y
17 :--
Min.setting
• Direct access by pressing “menu”.
• Turn the dial to scroll through the menu choices:
3.5 - Water temperature setting
S E T T E M P T A R G E T
55 C
temperature
setting
• Press the Menu button to return to the main screen
NB
In order to get the most out of the heat pump, it is recommended to not set the
temperature too high if there is no need to do so.
The “VACATIONS” function allows to set the device in stand by mode while conserving the frost-free
function.
This function is programmable for a duration of 1 to 99 days. It is activated once the number of days
are set and accepted.
• Direct access by pressing “menu”.
• Turn the dial to scroll through the menu choices:
3.6 - Standby mode during vacation period
V A C A T I O N S R E T U R N
8
number of day in
standby mode
• Press the Menu button to return to the main screen
The “VACATIONS” function ends automatically at the same time as soon as the number of days have
passed. During the entire duration of the vacation D.W.H.P will display “RETURN” (Return from vacation)
along with a countdown for the number of days.
11
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3.7 - BOOST function (for better comfort)
The “BOOST” function is a temporary forcing of the electrical backup and the heat pump,
simultaneously, to accelerate the raising of temperature on a heat cycle.
The spark “electrical backup” symbol blinks.
• Direct access by pressing the Menu button.
• Turn the dial to scroll through the menu choices:
NB
The“BOOST” function is automatically deactivated as soon as the set temperature is achieved
• Press the Menu button to return to the main screen.
BO O S T BO O S T
Y E S
To set the installation
parameters
Reset to nominal settings To see temperatures of
different sensors
3.8.1 - Parameter settings
According to the installation configurations, it is necessary to adjust some parameter to optimise the
functioning of D.W.H.P.
Access Procedure to installer menu:
• Press the Menu button
• Turn the dial until the screen displays “INSTALLER”
• Press simultaneously the “Clock settings” button and the Menu button
• Keep them simultaneously pressed down for 3 seconds until the screen displays “SETTING”
(Parameter settings).
3.8 - INSTALLER menu
S E T T I N G D I S P L A YR E S E T P A R . C O U N T E R
Toseestateofthedifferent
counters
S E T T I N G S +
choose the parameter Modify value Enter
Parameter Designation Unit Range Initial setting
PAR. 01 Heating mode - 3 or 6 3
PAR. 04 period for antilegionnella cycle days 0 to 99 0
PAR. 05 ventilation mode - 1,2, or 3 1
PAR. 06 ventilation speed - 1 or 2 1
PAR. 09 temperature setting of elec. backup °C -10 or + 10 0
PAR. 10 minimum temp. for elec. backup - 0 or 1 0
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3.8.1.1 - P A R . 0 1 -Heating mode
Parameter 1 is the setting of the heating mode : Heat pump or electric heater
     
= 3 operation in heat pump mode (Initial setting)
PAR. 01 = 6 operation in electrical heater mode
3.8.1.2 - P A R . 0 4 - Anti-legionellosis cycle
Parameter 04 allows the set the interval between two anti-legionellosis cycles.
PAR. 04 = 0 No anti-legionellosis cycle, except when returning from vacations period and after standby mode of
more than 3 days.
PAR. 04 = 8 Anti-legionellosis cycle is launched every 8 days (for example) and starts at 22:00
During the anti-legionellosis cycle the temperature of the water is raised to 60°C by the heat pump.
If the default for domestic hot water is already set to 60°C (see section “Desired water temperature
settings”) there will be no anti-legionellosis cycle since it is already permanent.
3.8.1.3 - P A R . 0 5 - Ventilation mode
Parameter 5 is the setting of the ventilation mode
PAR. 05 = 1 ventilation is activated only when heat pump runs (Initial setting)
PAR. 05 = 2 ventilation is permanently activated
PAR. 05 = 3 ventilation is activated when heat pump runs and when the external control switch is on
3.8.1.4 - P A R . 0 6 - Ventilator speed
Parameter 5 is the setting of the ventilator speed
PAR. 06 = 1 Automatic mode, ventilator speed change automatically when air temperature decreases (Initial
setting)
PAR. 06 = 2 ventilator forced at max speed
Speed setting 2 is mandatory when D.W.H.P is connected to air
ducts
The start-up setting of the electrical backup can be shifted (either in + or in -) according to the comfort
setting chose by the user (e.g. 55°C)
If the temperature of the air is out of functioning range (<-5°C or >+35°C), the heat pump cannot
function, it is the electrical backup that automatically takes control.
Since this backup is more energy consuming than the heat pump, and to achieve energy savings, a
lower domestic hot water temperature can be defined for the latter.
PAR. 09 = -5°C the setting therefore becomes 55°C – 5°C = 50°C
However, since the electrical backup only heats the upper part of the tank, if the consumption of hot
water is high it could be necessary to define a higher temperature for the electrical backup.
PAR. 09 = +10°C the setting therefore becomes 55+C + 10°C = 60°C)
The temperature of the automated electrical backup cannot, in any case, surpass 65°C.
3.8.1.5 - P A R . 0 9 -Electric back up settings
13
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It is possible to authorise the operation of the electrical backup at the same time at the heat pump to
make sure the water temperature does not drop below a minimal comfort level of 38°C. The electrical
backup will activate in order to raise the water temperature to 43°C and will stop and the heat pump
will finish completely heating the tank.
PAR.10 = 0 Comfort function is not activated (initial setting)
PAR.10 = 1 Comfortfunctionisactivated:electricalbackupisgoingtoheatinparallelwiththeheatpumpupto43°C
3.8.1.6 - P A R . 1 0 -Comfort function / Minimum temperature
NB
The “Comfort” function is only active during the range of authorised hours
3.8.2 - Resetting Parameter
RE S E T
Resetting parameter alloms to get back to initial parameters
RE S E T
Y E S
Display Designation
Reference
point on the
electronic
card
BOTT.WATER Temperature of hot water in the lower part of the tank Sensor #4
AIR INLET Temperature of ambient air (air taken in) Sensor #1
DEFROST Evaporator temperature (defrosting) Sensor #2
HP SWITCH high pressure switch inpu
t
(0=open contact ; 1=closed contact
)
Entry #1
HUMI DISTA External input, dry contac
t
(0=open contact ; 1=closed contact
)
Entry #2
Press the dial to read the sensor values
3.8.3 - Sensor reading
The “Sensor reading” display menu allows to know, in real time, the different information given by the
sensors and inputs.
NB
The temperature that is permanently displayed on the screen the the temperature of the
water in the upper part of the tank (sensor #3).
D I S P L A Y
14
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To maintain performance, it is recommended to have the device inspected by a qualified person every
two years.
• All intervention on the refrigerating circuit must be done by a qualified
person with a category 1 certificate of aptitude.
• The release of the refrigerant into the atmosphere is not permitted,
the refrigerant recovery must be done before any intervention on the
refrigeration circuit.
• Turn D.W.H.P off before opening it.
• Wait for the complete stop of the ventilator before any intervention.
•Make the anode inspection every year
• Do not spring water on electical parts
4 - MAINTENANCE AND REPAIR
4.1 - Water circuit / condensate draining
The inspection of the water circuit is limited to the inspection of the filters and of eventual leaks. Clean
or replace the dirty filters.
Check that the condensate draining is operating correctly:
- Remove the upper cover (see section “Peak time / off-peak time functioning”).
- Verify that the evacuation orifice is not blocked.
- Clean the condensate recovery container where deposits brought in by the air can accumulate.
- Clean the condensate tube.
NB
During maintenance or the shutting down of D.W.H.P, follow the environmental protection
rules with respect to recovery, recycling and disposal of consumable parts and components.
The pressure limiter has to be checked and cleaned, régularly to prevent any disfunctionning.
Check the leak tighteness on every fitting, flange and hydraulic connections.
4.3 - Anti-corrosion anode
The anti-corrosion anode is installed in the hot water tank and must be regularly electrically tested as well
as a minimum of every years after the activation of D.W.H.P. Replace it if necessary.
- Drain water out of the tank
- Unscrew the anode from the tank
- Check the anode diameter at the thinest point : diameter must be higher than 15mm
- Change the anode if its diameter is less than 15mm (the initial diameter being 33mm)
An anti-corrosion anode in bad working condition shortens the length of
operation of the device and nullifies the warranty.
4.2 - Air intake circuit
Maintenance work is limited to the cleaning of the evaporator (at least once a year according to the
cleanliness of the air taken in). If the filters are used, check regularly that they are not dirty. Clean them if
necessary.
NB
Sharp edged fins : wound risk. Be careful not to deform or damage the fins.
15
I J K L M N O O N M P Q K R N K S N O T U R V W X J Y Z U X [ \ X V ] Z V \ X ^ _ R ^ I

4.4 - Troubleshooting
• The heat pump does not work
Verify that :
• Temperature setting is higher than the water temperature in the tank.
• The device has the proper power supply and that the polarity is respected:
Phase on brown wire
Neutral on blue wire
Ground on green / yellow wire
• The light is on.
• The device is not in vacation mode ( symbol)
• The temperature of the air taken in is lower than -5°C or higher than +35°C.
• An external manipulation or a programmed hourly range is not preventing the operation ( symbol,
“econo-mode” lit).
• An error is displayed on the screen (see section on error codes).
• Lack of Hot water
Verify that:
• Water consumption is higher than the tank capacity.
• The authorized operating range is not too short (12 hours minimum if connected with duct).
• The programmed water temperature is not too low.
• Condensates do no run-off (presence of water under the device)
Verify that:
• The condensate evacuation system is not dirty of blocked. Clean if necessary:
Remove the cover (see section “Peak time / off-peak time functioning”).
Check for blockage.
• The tube is not bent or not moking a loop straight down.
• The tube gives off into open space.
• The electrical backup does not work
Verify that:
• An external manipulation or an hourly programming is not preventing the operation ( symbol,
“econo-mode” lit).
• The security limiter thermostat of the electrical backup has not been set off following an overheating
(>85°C). In this case, rearm it (see section “Security devices”).
• Before rearming : verify that :
- heating element is free of limestone
4.5 - N.T.C. Sensors characteristics
0
5
10
15
20
25
30
35
40
45
50
55
60
-10 -5 0 5 10 15 20 25 30 35 40
Temp rature (°C)
R sistance
(kOhms)
the 4 temperature
sensors have the
same curve of
ohmic values.
Rearming
button
(88°C) of the
security limiter
thermostat
16
` a b c d e f f e d g h b i e b j e f k l i m n o a p q l o r s o m t q m s o u v i u `

4.6 - Error codes
To reset error, press the dial one time.
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The heat pump heats the entire tank to the set temperature as long as the air temperature remains within the operation range (-5°C to +35°C), outside of this range there is no production of hot water by the electric heater. Boost and minimum temperature backup are blocked or suspended
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The heat pump heats only the upper half of the tank
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The autorized hourly range is no longer taken into accunt : the water is permanently kept at the set temperature (if no signal or controler is connected to the "external switch"
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17
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4.7 - Parts list
18
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5 - WARRANTY
The warranty covers:
• The tank is warranted against break through for a period of five (5) years starting from the date
of activation of the warranty voucher is returned to the manufacturer, or, in the absence of this
document, from the fabrication date of the device. In case of break through of the tank, the
complete device is replaced.
• The spare parts, listed in part list (see before) are warranted for a period of two (2) years starting
from the date of activation of the warranty voucher is returned to the manufacturer, or, in the
absence of this document, from the fabrication date of the device.
The device guaranteed to free of all manufacturing defects, in condition that the device was
installed by a qualified professional following the technical instructions, the C15-100 norm concerning
the electrical connections, and the DTU 60-1 additional clause 4 for plumbing concerning domestic
water.
The failure of a component does not justify the replacement of the device.
The warranty is limited to the provision of the components that we have found defective.
If necessary, the part or the product must be returned to the manufacturer but only after the prior
agreement of our technical services. Labour, shipping, packaging and transportation fees remain the
responsibility of the user. The repairing of a device cannot in any case allow for compensation.
The warranty of the replacement part(s) ends at the same time as that of the device.
The warranty only applies to the device and its components, excluding all or part of the external
installation: electrical or hydraulic.
The warranty does not apply in cases of absence of, insufficiency of or improper maintenance
of the device.
Regular maintenance is required to ensure sustainable use and lasting operation. This
maintenance must be done by a qualified professional. Without this the warranty is void.
All intervention on the refrigerating circuit must be done by a qualified person with a category
1 certificate of aptitude. The degassing of the refrigerating fluid into the atmosphere is not permitted, the
recovery of the fluid is obligatory before any intervention on the circuit.
In the case of accidents or disasters, the device must remain in place and no ulterior
intervention should take place.
5.1 - Warranty limits
5.1.1 - General information
5.1.2 - Exclusion of warranty (non-limited)
The warranty does not cover defects or damages that could arise in the following situations:
• Improper use (other than domestic), abuse, negligence, improper handling or improper storage.
• Improper installation or installation which does not follow the instructions in the installation
manual or good engineering practices.
• Insufficiency of maintenance.
• Modifications or transformations to the material.
• Impact by foreign objects, fire, earthquake, flood, lightning, freezing, hail, hurricane or any other
natural disaster...
• Movement, imbalance, collapsing or settling of the terrain or the structure where the device is
installed.
• All other causes where product defects are not concerned.
D.W.H.P is not guaranteed against:
• Colour variation of the device or damages caused by air pollution or exposure to chemical
products or alteration due to bad weather.
• Soiling, dirt, spots, rust, grease or spots which appear naturally on the deivce.
5.1.2.1 - Use
Cases (non-limited) for voiding of warranty:
• Supply with water other than domestic cold water such as rain water, well water, etc., or domestic
cold water with abnormally aggressive characteristics that does not conform to the current
national norms.
• Activation of the device prior to filling it (dry heating).
20
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