Danfoss DHP-AX, Инструкция по установке и обслуживанию

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38 – Service VMBMH302
Menu selection Meaning Factory setting
HYSTERESIS If the difference between the actual supply temperature and
the calculated supply temperature is too great (see section
11.5
Important parameters ), either the integral value is set to start
value A1 + A2 (starts the auxiliary heater) or the value is set to 0
(stops the auxiliary heater ).
20°C
(interval: 5°C / 30°C)
MAX CURRENT
(Expansion card) Refers to main fuse in the unit, in amperes. 20
(interval: 16 / 35)
HOT WATER STOP Stop temperature for hot water during AUX. HEATER. The value is
read off by the hot water sensor. 60°C
(interval: 50°C / 65°C)
13.2.4 Sub menu SERVICE -> MANUAL TEST
Used to manually test and test operate the heat pump’s components or signal outputs.
Menu selection Meaning Factory setting
MANUAL TEST Setting options for manual test.
0 = deactivate manual test
1 = activate manual test
2 = activate manual test with option of navigating from the
SERVICE menu to check that the temperatures rise.
-
HEAT PUMP 0 = stop heat pump
1 = start heat pump.
BB D
B NOTE! The heat pump cannot be started in the
event of an active alarm.
-
COMPR. HEATER
0 = stop compressor heater
1 = start compressor heater -
CIRC. PUMP 0 = stop circulation pump
1 = start circulation pump -
REV.V. HOT WATER 0 = heating mode for 3-way valve
1 = hot water mode for 3-way valve -
AUX. HEAT 1 0 = stop auxiliary heat step 1
1 = start auxiliary heat step 1
BB D
B Warning! There must be a flow through the auxi-
liary heater.
-
FAN
0 = stop fan
1 = start fan -
ALARM
(Expansion card) 0 = stop signal on output External alarm
1 = start signal on output External alarm -
SHUNT GROUP - = shuts shunt
0 = shunt unaffected
+ = opens shunt -
REV. V. POOL
(Expansion card) 0 = normal mode for exchange valve
1 = pool mode for exchange valve -
0–10V
(Expansion card) For any future demands.