EU heat pumps
12
The first number on the LED screen stands for the number of the parameter and the second one for its value.
Desired temperature in cooling mode (8 ⇒ 28°C)
Desired temperature in heating mode (7 ⇒ 40°C)
Operation time of the compressor before defrosting mode starts (30 ⇒ 90 minutes)
Temperature of evaporator at which defrosting starts (-30 ⇒ 0°C)
Temperature of evaporator at which defrosting stops (2 ⇒ 30°C)
Maximum duration of defrosting procedure (0 ⇒ 12 min)
Number of compressors in the system (always equals 1 for EU)
Memory function for automatic start-up (0 for ‘no’ and 1 for ‘yes’)
Operating mode (see table below)
Filter pump control (0 for ‘on’ and 1 for ‘automatic’)
Fan mode (see table below)
Fan control type (0 for triac control and 1 for voltage control)
Parameters 2 up to and including 5 are the settings for the automatic defrosting mode. They have been set
from the factory for optimal operation and very rarely need to be adjusted by a specialized technician, that is,
only if conditions demand it.
Parameter 7 indicates if the heat pump should or shouldn’t start automatically after an interruption of the
power supply.
Parameter 8 is for adjusting the possible operating modes of the heat pump.
Can be selected with “Mode” key
Cooling or heating (manual/auto)
Parameter 9 is for determining how the filter pump should be controlled. If you want to have it controlled by
the heat pump, you have to connect the electrical wires of this pump to the terminal block labelled ‘TO PUMP’
that is located next to the one labelled ‘TO POWER SUPPLY’.
The filter pump runs as long as the heat pump is turned ON
The filter pump starts running 3 minutes before the heat pump is actually
heating and stops 30 seconds after the heat pump has stopped
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