3. Installation
5) Sensor cables
Take all sensors and communication cables out from the accessories bag. Connect the sensors together with
the quick connectors on communication cables and insert the end with the connector into the indoor unit
through cable gland. Connect them with the quick connector inside the indoor unit and place all sensors in
right positions. Fasten the cable gland after installations.
Indoor control
PCB
Communication cable
Sensor
Place all sensors in right positions
Sensor cable connection
COM TW
A
B
COM TC COM TR COM TV1 COM TV2 COM TUP COM TUI COM TUO
TC-Water temperature sensor for cooling and heating
TW-Water temperature sensor for sanitary hot water
TV2-Water temperature sensor after mixture valve 2
A TR-Room temperature sensor
TV1-Water temperature sensor after mixture valve 1
B
TUP-Coil temperature sensor
TUI-Water inlet temperature sensor
TUO-Water outlet temperature sensor
Connect these sensors with communication
cables by quick connector, and then connect
communication cable (the end without quick
connector) with terminal block. (These
sensors are packed inside the accessories
bag).
Connect these sensors with communication
cables by quick connector, and then connect
communication cable (the end without quick
connector) with terminal block. (These sensors
are installed already, but should be connected
to terminal block inside indoor control box via
communication cables).
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