Connecting The Outdoor Unit Bus; Connecting The Outdoor Temperature Sensor - DeDietrich MIT-M /E Installation, User And Service Manual

Fig.30
S1 S2 S3
X23
Fig.31
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5.7.9
The connection of an outdoor temperature sensor is mandatory to ensure
the correct operation of the appliance.

Connecting the outdoor unit bus

1. Connect the outdoor unit bus between the S2 and S3 terminals on the
X23 connector in the indoor unit's EHC–05 central unit PCB.
2. Set the SW8–3 switch on the outdoor unit PCB to ON.
Danger
Do not connect anything to S1.

Connecting the outdoor temperature sensor

Connecting the outdoor temperature sensor
1. Connect the outdoor temperature sensor to the T Out input on the
SCB-10 PCB of the indoor module.
Important
Use a cable with a minimum cross-section of 2x0.35 mm
length of 30 m.
5 Installation
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