Bosch Compress 7400i AW 5 OR - Wiring Diagram for Transformer, 1-;3-Phase

To Next Page

To Previous Page

Technical information

Compress 7400i AW – 6721840487 (2021/10)

9.4.2 Wiring diagram for transformer, 1-/3-phase

Fig. 21 Wiring diagram for I/O module

[JR0] Pressure sensor low

[JR1] Pressure sensor high

[PL3] Fan, pulse width modulation signal

[TA4] Drip tray temperature sensor

[TC3] Temperature sensor, heat transfer medium outlet

[TL2] Temperature sensor at air inlet

[TR1] Temperature sensor, compressor

[TR3] Temperature sensor at condenser return

[TR5] Suction gas temperature sensor

[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 6.3 A

[PL3] Fan

[SSM] Motor protection in the fan

[VR4] Four-way valve

[A] I/O module

[B] P7=heat pump 5 OR, 1N~

P8=heat pump 7 OR, 1N~

A0=standard

[1] 230 V~ operating voltage

[2] MOD-BUS from transformer

[3] CAN-BUS from installation module of indoor unit

Related product manuals