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Dimplex LAK 14IMR Manual

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www.glendimplex.de 452162.66.09a · FD 0108 EN-15
LAK 3IMR - LAK 14ITR English
8.2 Maintenance
To maintain an optimal output on the LWPS split heat pump,
regular checks and maintenance work should be carried out on
the unit.
It is advisable to work through the following checklist at least
once a year.
CAUTION!
!
!
Before opening the unit, ensure that all electric circuits are
isolated from the power supply.
8.3 Troubleshooting
If the LWPS split heat pump is experiencing problems during
operation or is not working at all, check the following points.
CAUTION!
!!
Before opening the unit, ensure that all electric circuits are
isolated from the power supply.
8.3.1 Removing faults during operation
Pos. Category Components Test point
1
Water
Water pressure In normal operation, the pressure gauge should show a pressure of 2.0 to 2.5
bar.
If the pressure is under 0.3 bar, water should be added.
2Dirt trap
(water filter)
Close the relevant isolating valves and remove the dirt trap. Clean the dirt trap
Water may flow out when dismantling the dirt trap.
4Current
Cable connections of the
terminal panel
Check the terminal panel for loose or faulty connections.
Pos. Fault Cause Solution
1Insufficient heating
or cooling.
Incorrect setting of the
target temperature.
Check the setting of the heating curve on the heat pump manager
Insufficient
water filling.
Check the pressure gauge and add water until the pressure gauge shows a
pressure of 2.0 to 2.5 bar.
Water flow is low.
Check whether the dirt trap is heavily soiled. If so, the dirt trap must be
cleaned.
Check whether the pressure indicator shows a pressure of at least 0.3 bar.
Check whether the water piping is blocked by soiling or limescale deposits.
2
The outdoor unit is
not working, despite correct
power supply
(information on the
control panel).
Temperature on the
water inlet is too high.
If there is a temperature above 55 °C on the water inlet, the outdoor unit is
switched off to protect the system.
Temperature on the
water inlet is too
low.
If there is a temperature below 5 °C on the water inlet, the outdoor unit is
switched off to protect the system. Wait until the temperature on the water inlet
has been increased by the indoor unit.
3Noises from the
water pump
Purging has not been
completed.
Open the protective cap of the purging and add water until the pressure gauge
shows a pressure of 2.0 to 2.5 bar.
If no water comes out after pressing on the tip (on the top side of the opening),
the purging process is not yet complete. If the system has been purged opti-
mally, water sprays out like a fountain when pressing on the tip.
Water pressure is low. Check whether the pressure indicator shows a pressure of at least 0.3 bar.
Check whether the equalising tank and pressure gauge are working correctly.
4
Water is drained off
through the
drain hose.
Too much water has been
added.
Open the lever of the safety valve and drain off more water until the pressure
gauge shows a pressure of 2.0 to 2.5 bar.
Equalising tank is dam-
aged.
Replace the equalising tank.
5Domestic water is not
heated
Thermal circuit breaker
of the flange heater or
pipe heater has been trig-
gered
Open the front cover of the indoor component and press the Reset button
Domestic water heating
was deactivated.
Check the settings on the heat pump manager on the indoor unit.
… 41 …


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