Operating instructions

42_ Operating advanced function
Operating advanced function
FIELD SETTING MODE
Space Heating : Code 40
T
a
#4012
#3034
T
u
T
s
DHW by Booster Heater Only
Heat Pump Variables for Space Heating
• FSV#4011forDHWpriorityissetto“0(DHW)”(Default)asadefault.Spaceheatinggets
aprioritybysettingFSV#4011“1”,butthisisonlyvalidwhentheoutdoortemperatureis
lower than the specified temperature defined by FSV #4012.
• Cold weather compensation is applied when the space heating gets a priority (FSV
#4011=1). It is due to position of heating coil and booster heater in the water tank. Heating
coil is at the bottom part of the water tank and the booster heater is located at the middle
part of the tank. So the heating coil is efficient to heat the whole water in the tank. Chances
that hot water flows through the heating coil decrease with the space heating priority. And
lower part of water in the tank might not get enough heat with the booster heater. Cold
weather compensation is raising the booster heater target temperature by temperature of
FSV #3034 (default=10°C) higher than the user setting.
• Spaceheatingofftemperature(FSV#4013,Default“35˚C”,Range14~35˚C):
At high outdoor temperature above this value, the space heating will be turned off, to avoid
overheating.
• Overshoottemperature(FSV#4014,Default“2˚C”,Range1~4˚C):N/Ayet
FieldSettingValue
Main Menu &
Code
Sub Menu Function Description Sub Code Default Min Max Step Unit
Heating Code
40

Heat Pump Heating/DHW Priority

11 0(DHW) 0 1(Heating) - -
Outdoor Temp for Priority

12 0 -15 20 1 ˚C
Heating Off

13 35 14 35 1 ˚C
Overshoot

14 2 1 4 1 ˚C
Backup Heater Application

21 0(Off) 0 1(On) - -
BUH/BSH Priority

22 0(Both) 0 2(BSH) 1 -
Cold weather compensation

23 1(On) 0(Off) 1 - -
Threshold Temp

24 0 -15 35 1 ˚C
Defrost Backup Temp.

25 15 10 55 5 ˚C
Backup Boiler Application

31 0(No) 0 1(Yes) - -
Boiler Priority

32 0(Off) 0 1(On) - -
Threshold Temp

33 -15 -20 5 1 ˚C