Technical information
Compress 7001i AW – 6721835318 (2021/09)
28
9.5.2 Wiring diagram for I/O module card
Fig. 26 Wiring diagram I/O module
[JR0] Pressure sensor low
[JR1] Pressure sensor high
[PL3] Fan, pulse width modulation signal
[TA4] Temperature sensor, drip pan
[TC3] Temperature sensor, heat transfer medium outlet
[TL2] Temperature sensor at air inlet
[TR1] Temperature sensor, compressor
[TR3] Temperature sensor at condenser return
[TR5] Temperature sensor, suction gas
[TR6] Temperature sensor hot gas
[VR0] Electronic expansion valve 1
[VR1] Electronic expansion valve 2
[EA0] Heater for drip pan
[EA1] Heating cable (accessory)
[F50] Fuse 6.3A
[PL3] Fan
[SSM] Motor protection in the fan
[VR4] Four-way valve
[A] I/O module
[B] P1=heat pump 5 OR-S, 1N~
P2=heat pump 7 OR-S, 1N~
P3=heat pump 9 OR-S, 1N~
P4=heat pump 13 OR-S, 3N~
P5=heat pump 17 OR-T, 3N~
P6=heat pump 13 OR-S, 1N~
A0=standard
[1] Operating voltage, 230V~
[2] MOD-BUS from transformer
[3] CAN-BUS from installation module of indoor unit
1
3
B
A
2