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ENGLISH
21
EN
3 .1
Display
The display of the control computer shows information about the heat pump’s operation, sta-
tus and any alarms, in text form. The status, indicated by symbols, is also shown in the lower
section which shows the heat pump’s active process.
Operating modes
Appear with applicable heat pump operating status text.
Operating mode Meaning
(OFF)
The installation is fully switched off.
Remember that if the operating mode OFF is to be used for
long periods during the winter, the water in the heating sys
tem in the installation must be drained, otherwise there is a
risk of frost damage .
AUTO
Automatic operation with both heat pump and auxiliary heater per-
mitted. If no auxiliary heating is permitted only AUTO or OFF can be
selected as operating mode.
HEATPUMP
The control computer is controlled so that only the heat pump unit
(compressor) is allowed to operate. NOTE! No peak heating charging
(legionella function) with only heat pump operation.
ADD. HEAT
The control computer only permits the auxiliary heater to be in opera-
tion.
HOT WATER
The control computer permits operation with heat pump for hot water
production and auxiliary heat during peak heating charging (legionella
function). No heat goes to heating system.
Symbols
Displays the operating status of the heat pump using symbols.
Symbol
Meaning
HP
Indicates that the compressor is in operation. An “F” next to the sym-
bol indicates that a flow switch is installed.
LIGHTNING Indicates that the auxiliary heater is in operation. Number of auxiliary
power stages indicated by digit.
HOUSE
Indicates that the 3-way valve position is for heat production for the
house.
TAP
Indicates that the 3-way valve’s position is for hot water production.
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