1Ph Units - Electra DNC series Service Manual

INSTALLATION MANUAL
9.1

1PH units

Customer is required to provide an appropriate main power supply, which must include:
•
A time-delayed, C type, single-phase automatic circuit breaker, to be installed at the
beginning of the main supply line, on the main connection panel. The capacity of the
automatic circuit breaker can be determined according to the nameplate.
•
An electrical cable suitable to the capacity of the automatic circuit breaker.
•
Main power supply will be terminated with a standard circuit breaker that has a minimal
contacts gap of 3 mm installed nearly from outdoor unit.
9.2 3PH units
Technician is required to provide an appropriate main power supply, which must include:
•
A time-delayed, C type, triple-phase automatic circuit breaker, to be installed at the
beginning of the main supply line, on the main connection panel. The capacity of the
automatic circuit breaker can be determined according to the nameplate.
•
An electrical cable suitable to the capacity of the automatic circuit breaker.
•
The main supply line will be terminated close to the outdoor unit, either with a safety
switch water proof, or with a water-proof socket.
1. Outdoor unit
2. Terminal block
3. Connecting cable between
units
4. Indoor unit
5. Control display
6. Wireless remote control
7. Wired remote control
(optional)
8. Power supply
9. Two - wire control cable
10. Safety switch in outdoor
unit, water protected
(installed by an electrician)
11. Safety switch in indoor unit, 16A
Fig. 30. Electrical wiring diagram - one-phase units (power supply to outdoor unit)
English 25
CONTENT