Danfoss DHP-AX Installation And Service Instructions Manual page 33

13.1.1 Sub menu INFORMATION -> OPERATION
Used to select operating mode.
Menu selection
(OFF)
AUTO
HEAT PUMP
AUX. HEATER
HOT WATER
MANUAL TEST
13.1.2 Sub menu INFORMATION -> HEAT CURVE
Used to change settings for the heat curve.
Menu selection
CURVE
MIN
MAX
CURVE 5
CURVE 0
CURVE -5
HEAT STOP
REDUCTION
ROOM FACTOR
Meaning
The installation is off. This mode is also used to acknowledge
certain alarms.
CANCEL = starting point, no changes made.
To select OFF as operating mode, press the minus sign once to
scroll down one step and press the right arrow once.
Automatic operation with both heat pump and auxiliary heater
permitted. If the number of power stages for auxiliary heating
are set to zero (SERVICE -> AUX.HEAT -> MAX STEP) only AUTO or
OFF can be selected as operating mode.
Operation with only heat pump permitted.
D B BB
NOTE! No peak heating charging (anti-legionella
function) with only heat pump operation.
Operation with only auxiliary heater permitted.
Operation with heat pump for hot water production and auxilia-
ry heater during peak heating charging (anti-legionella function).
Only displayed when the value for MANUAL TEST is set to 2 in
the SERVICE menu. Outputs controlled manually.
Meaning
Calculated supply temperature at 0°C outdoor temperature.
Shown as a graph that also shows MIN and MAX values.
Minimum permitted supply temperature, if the temperature for
heat stop has been reached and the heat pump has stopped.
Maximum permitted supply temperature.
Local increase or reduction of CURVE at an outdoor temperature
of +5°C. Shown in the graph for CURVE.
Local increase or reduction of CURVE at an outdoor temperature
of 0°C. Shown in the graph for CURVE.
Local increase or reduction of CURVE at an outdoor temperature
of -5°C. Shown in the graph for CURVE.
Maximum outdoor temperature when heat production is permit-
ted.
If HEAT STOP applies, the outdoor temperature must drop 3°C
below the setting before HEAT STOP stops.
Only appears if the tariff control function has been activated.
Lowering set room temperature. Active at 10 kohm connection
at EVU input.
Only displayed if an accessory Room temperature sensor is
installed.
Determines how large an impact the room temperature is to
have when calculating the supply temperature. For underfloor
heating we recommend a setting between 1-3 and for radiator
heating between 2-4.
VMBMH302
Factory setting
-
-
-
-
-
-
Factory setting
40°C
(during under floor hea-
ting 30°C)
(interval: 22°C / 56°C)
10°C
(interval: 10°C / 50°C)
55°C
(during under floor hea-
ting 45°C)
(interval: 40°C / 85°C)
0°C (interval: -5°C / 5°C)
0°C (interval: -5°C / 5°C)
0°C (interval: -5°C / 5°C)
17°C
(interval: , 0°C / 40°C)
2°C (interval: 1°C / 10°C)
2 (interval: 0 / 4)
(0 = no impact,
4 = large impact)
Service – 33