Daikin BPMK928B42, Service Manual

Page: 361 / 410

Wiring Si18-201
348 Caution Before Operation
2. Wiring
2.1 Outdoor Unit
ELECTRIC WIRING CONNECTION
1. Connection electric wire treatment ( CAUTION)
Following are the precautions for inter-unit wiring and power supply wiring.
Be sure to install an earth leakage breaker and safety breaker.
•
Do not turn ON the safety breaker for the outdoor power supply before all the work is completed.
•
Make sure that the wiring and the piping for each room have the same alphabetical code. (BP1, BP2, BP3)
•
In double-outdoor-unit installation, be sure that the wirings are connected in the same outdoor-units as pipings are
connected.
•
On the inter-unit wiring, terminals of each line at the BP side and the outdoor side must have the same number.
•
Tighten the terminal screws on the power supply terminal block securely.
•
For power supply, be sure to use a dedicated power circuit.
•
Fix wires securely over the sheathes with the clamp.
•
Connect an earth wire to the earth screw.
For earthing, follow applicable local standards for electrical installations.
•
For inter-unit wiring, do not use a cut wire joined to another on the way. Use wires long enough to cover the entire length.
WARNING
Do not use tapped wires, stand wires, extensioncords, or starbust connections, as they may cause overheating, electrical
shock, or fire.
Clamp A
Clamp B
n
When connecting the power
supply cord, do not peel back
more than 30mm of the cable
insulation from the power supply
terminal board, in order to be
able to pull the connecting
terminal board around.
n
Clamp the
connecting wires
down with clamps A
and B as shown in
the diagram.
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