Danfoss DHP-H Installation And Service Instructions Manual page 41

Sub menu SERVICE -> HOT WATER
Used to change hot water production.
Menu selection
START
HOT WATER TIME
HEATING TIME
TOPH. INTERVAL
TOPH. STOP
Sub menu SERVICE -> HEATPUMP
Used to change the heat pump's operating settings.
Menu selection Meaning
INTEGRAL A1 The integral's value for starting the heat pump. See figure 6 for further informa-
tion.
HYSTERESIS If the difference between the actual supply temperature and the calculated sup-
ply temperature is too great either the integral value is set to start value A1 (the
heat pump starts) or the value is set to 0 (stops the heat pump).
MAX RETURN Stop temperature at high return from the heating system.
STARTINTERVAL Minimum tine interval between two heat pump starts in minutes.
ALARM BRINE Not shown if OUTSIDE AIR is selected as heat source. Alarm temperature for sup-
ply brine (brine out), which stops the heat pump. (OFF = no sensor alarm)
PRESSURE PIPE Sensor on the compressor's hot gas line. Value within brackets indicates maxi-
mum permitted temperature. If this value is exceeded, the compressor will stop
and start again as soon as the temperature has dropped. No alarm shown in the
display, however, a square is shown in the left, lower corner of the display.
OUTDOOR STOP Lowest outdoor temperature when the outdoor sensor stops the compressor
and heating or hot water instead produce with auxiliary heater.
SHUNT COOLING Set point value for cooling. Desired temperature for supply pipe.
(Expansion card)
Sub menu SERVICE -> ADD . HEAT
Used to change the heat pump stage's operating settings.
Menu selection
INTEGRAL A2
HYSTERESIS
MAXSTEP
MAX CURRENT
(Expansion card)
Meaning
Start temperature for hot water production. Shows the actual hot water tem-
perature and the value within brackets indicates the start temperature. (OFF =
no sensor alarm)
Time for hot water production during combined hot water and heating demand,
in minutes.
Time for hot water production during combined heating and hot water demand,
in minutes.
Time interval between peak heating charging, legionella function, in days.
Stop temperature for peak heating charging (applies to VL system).
Meaning
Two conditions must be fulfilled in order to start the auxiliary heater: the inte-
gral's value to start must be less than integral A1 + A2, and the supply tempera-
ture must be 2° lower than the calculated temperature. See figure 6 for further
information.
If the difference between the actual supply temperature and the calculated
supply temperature is too great (see figure 7), either the integral value is set to
start value A1 + A2 (the auxiliary heater starts) or the value is set to 0 (stops the
auxiliary heater ).
Maximum number of permitted steps for auxiliary heating.
0 = no auxiliary heating permitted (Means that only AUTO or OFF can be select-
ed.)
Refers to main fuse in the unit.
VMBMA102
Factory setting
40°C (at OUTSIDE AIR
temperature of 38°C)
(interval: OFF, 30°C -
55°C)
40M (up to 8kW)
20M (10kW and more)
(interval: 5M - 40M
20M (interval: 5M - 40M)
7D (interval: OFF 1D
- 90D)
60°C (interval: 50°C -
65°C)
Factory setting
60 (interval: 5 - 300)
10°C (at OUTSIDE AIR tem-
perature of 12°C)
(interval: 1°C - 15°C)
55°C (interval: 30°C - 70°C)
20M (interval: 10M - 30M)
OFF (interval: OFF, -14°C - 10°C)
130°C (interval: 100°C - 150°C)
OFF (at OUTSIDE AIR tem-
perature of -20°C)
(interval: OFF, -39°C - -1°C)
(interval at OUTSIDE AIR:
OFF, -20°C - -1°C)
16°C (interval: 0°C - 30°C)
Factory setting
600 (interval: 50 - 990)
20°C (interval: 5°C - 30°C)
2 (at OUTSIDE AIR 5)
(interval: 0 - 3)
(interval at OUTSIDE AIR:
0 - 5)
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