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Electric installation
AirModule –6 720 813 268(2014/10)
31
8.10
Installer module circuit diagram
Fig. 31 Installer module circuit diagram
[I1]
External input 1
[I2]
External input 2
[I3]
External input 3
[I4]
External input 4
[MK2]
Condensation sensor
[PC0]
Circulation pump PWM signal
[T0]
Flow temperature sensor
[T1]
Outside temperature sensor
[TW1]
DHW temperature sensor
[TC0]
Return heat transfer medium temperature sensor
[TC1]
Flow heat transfer medium temperature sensor
[EW1]
Immersion heater start signal in hot water cylinder (external)
[FE]
Overheating protection alarm
[FW0]
Anode 230 V (accessories)
[K1]
Immersion heater contactor EE1
[K2]
Immersion heater contactor EE2
[K3]
Immersion heater contactor EE3
[F50]
Fuse 6.3 A
[PC0]
Heat transfer medium circulation pump
[PC1]
Heating system circulation pump
[PK2]
Cooling season relay output 230 V
[PW2]
Hot water DHW circulation pump
[VC0]
Recirculation exchange valve
[VW1]
Heating/DHW exchange valve
[1]
230 V~ operating voltage ([5] Fig. 30 or [4] Fig. 29)
[2]
Immersion heater/pressure switch alarm output ([4] Fig. 30
[3]
CAN BUS to heat pump (I/O module card)
6 720 809 156-15.2I
1
3
2
Relay output max. load PK2: 2 A, cos
>0.4. Higher load
requires installation of an intermediate relay.
Delivered connected
Connected during installation/
accessories