Installation Manual For Electric Wiring - Haier HDU-42CF03/H Operating & Installation Manual

Installation Manual For Electric Wiring

5. Electric wiring
TURN OFF ELECTRIC POWER AT CIRCUIT BREAKER OR POWER SOURCE BEFORE
MAKING ANY ELECTRIC CONNECTIONS. GROUND CONNECTIONS MUST BE
COMPLETED BEFORE MAKING LINE VOLTAGE CONNECTIONS.
(1) Selection of size of power supply and interconnecting wires.
Precautions for Electric wiring
Electric wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped terminal
lugs with insulated grip on the ends of the wires.
Use copper conductor only.
Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with
less than 2% voltage drop.)
Item
Model
HDU-42CF03/H
HDU-42HF03/H
(2) Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by
terminals.
Note: remember to connect the black terminal of indoor unit with the black terminal of outdoor unit
properly using the connecting wire in the accesory bag,and connect the blue terminal of indoor unit
with the white terminal of out terminal as the same(For heat pump model).For cooling only unit,just
connect the black terminalof indoor unit with the black terminal of outdoor unit properly.Otherwise
the wired controller will display "E4" or "E6" malfunction refer to Page.16.
HDU-42CF03/H
OUTDOOR UNIT TERMINAL BLOCK
R S T N 1
POWER SUPPLY:
3N~,380-400V , 50Hz
1
INDOOR UNIT TERMINAL BLOCK
DANGER OF BODILY INJURY OR DEATH
Circuit breaker
Phase Switch breaker
(A)
3
30
Y/G
2 3
2 3 4 5
WARNING
Power source
Overcurrent protector
rated capacity (A)
20
R S T N
POWER SUPPLY:
3N~,380-400V,50Hz
32
Earth leakage breaker
wire size
Switch
(minimum)
breaker
2
2.5mm 30
HDU-42HF03/H
OUTDOOR UNIT TERMINAL BLOCK
Y/G
L N 3
1 2 3
INDOOR UNIT TERMINAL BLOCK
Leak
current
30mA
Y/G
4 5
4 5