Display - Danfoss DHP-H Installation And Service Instructions Manual

12 .2

Display

The display of the control computer shows information about the heat pump's operation, status 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 mode
Appears with applicable heat pump operating status text.
Operating mode
(OFF)
AUTO
HEATPUMP
ADD. HEAT
HOT WATER
Symbols
Displays the operating status of the heat pump using symbols.
Symbol
HP
LIGHTNING
HOUSE
TAP
VL SYSTEM
CLOCK
TANK
SQUARE
⃞
DEFROST
FAN
COOLING
Text
Appears with applicable heat pump operating status text.
Message
ROOM --°C
ERR PHASE SEQ.
HIGH RETURN
START
Meaning
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 system in the installation must be drained, other-
wise there is a risk of frost damage .
The heat pump and the auxiliary heater are automatically controlled by the control computer.
The control computer is controlled so that only the heat pump unit (compressor) is allowed to
operate.
The control computer only permits the auxiliary heater to be in operation. This operating mode
can be used when a new installation is being used, when the brine system is not ready for
operation.
In this mode the heat pump only produces hot water, no heat goes to the heating system.
Meaning
Indicates that the compressor is in operation. An "F" next to the symbol indicates that a flow
switch is installed.
Indicates that the auxiliary heater is in operation. Number of auxiliary power stages indicated by digit.
Indicates that the 3-way valve position is for heat production for the house.
Indicates that the 3-way valve's position is for hot water production.
Indicates the set system VL / D / VL+F / D+F (+F indicates that a flow switch is installed)
Indicates that tariff control is active.
Indicates the level of hot water in the water heater. During charging, the tank is filled and fill-
ing starts at the set start temperature. A lightning symbol by the symbol indicates peak heating
charging (legionella function).
Either indicates that the operating pressure switch has deployed, or that the hot gas temperature
has reached its maximum temperature.
Displayed if defrosting is active. (DHP-A)
Displayed if the fan is active L=Low speed and H= High speed. (DHP-A)
Indicates Cooling. A indicates active cooling.
Meaning
Shows the set ROOM value. Standard value: 20°C.
If the accessory room sensor is installed it shows the desired indoor temperature within brack-
ets and the actual temperature.
Alarm that indicates that there is an incorrect phase sequence to the compressor. Only display
and only the first 10 minutes.
Alarm that indicates that the high return temperature prevents the compressor's operation.
Indicates that there is a demand for heating production and that no start delay is active.
VMBMA102