2. Check that the BUS cable is correctly positioned between the indoor
module and the outdoor unit, and that it is separate from the power
supply cables.
3. Check the conformity of the circuit breakers used:
Outdoor unit circuit breaker
Indoor module circuit breaker
Electrical back-up circuit breaker
4. Check the positioning and connection of the sensors:
Room temperature sensor (if present)
Outdoor temperature sensor
Flow sensor for the second circuit (if present)
5. Check the connection of the circulating pump(s).
6. Check that the wires and terminals are properly tightened or
connected to the terminal blocks.
7. Check the separation of the power and safety extra-low voltage
cables.
8. Check the connection of the underfloor heating safety thermostat (if
used).
9. Check that traction arrester devices are used for all cables exiting the
appliance.
5 Installation
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