Maintenance
2
Fig. 41 Unplug the plug
[1]
Plug for PWM signal
[2]
Plug for power supply
1. 1. 1.
2. 2. 2.
Fig. 42 Remove locking plate
32
1
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Fig. 43 Undo union nuts
9.2.2
Replacing the temperature sensor
▶ Interrupt the power supply to the outdoor unit, indoor unit and
external booster heater.
NOTICE
Malfunction of the system!
The heating system could malfunction if the temperature sensor is
connected incorrectly or swapped round.
▶ Do not swap the temperature sensor round (Chapter 9.2).
▶ Establish electrical connection correctly (Chapter 12.4).
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Compress Hybrid 3400i AW – 6721861825 (2023/08)
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