Wiring Diagram For I/O Module Card - Bosch Compress 7000i AW Installation Manual

Technical information
9.5.2

Wiring diagram for I/O module card

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Fig. 25 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
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A
B
[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/T, 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
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Compress 7000i AW – 6721830633 (2021/02)