CENTRAL HEATING Chofu - System B: Heating + DHW Configuration; System B: Heating and DHW Control

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Parameter Description
Value
Default Set To
2101
Flow temperature set point for heating
35 to 45 underoor (depending on oor covering)
60 – radiators
45
See
description
3101
0 = DHW is unavailable
1 = DHW is available, and priority DHW over space heating
0 1
3111 DHW set temperature (of water in cylinder) 50 50
4130
Maximum outgoing water temperature in Heating and DHW
(service menu)**
60 56
4301 Start temp of frost protection on room air temperature 14 5
5107
Enable DHW sensor: Terminal 7-8
0 = Disable
1 = Enable
0 1
5120
Terminal 20-21: On/O remote contact or EHS Alarm input
0 = Disable (Remote controller only)
1 = On/O remote contact
2 = EHS Alarm input
0 1
5126
Flow switch input, terminals 26-27:
0 = Disable
1 = Enable
1 0
5150
Enable DHW 3-way valve: Terminal 50-51-52
0 = Disable
1 = Enable
0 1
System B: Heat Pump Switched On/O by Room
Thermostat(s) Heating + DHW
** May be required when using DHW and primary feed pipe length is >15m.