8
installation manual
●
Display
board
Wire
controller
Please adopt the shielded twisted-pair wire,
and connect the shielded layed to (E)
To wire controller
The reserved wire control
function is indicated in broken
table, user can purchase the
wire controller when necessary.
Fig. 7-4
Fig. 7-3
036 / 048
060
TO CCM
COMM.BUS
TO INDOOR&OUTDOOR
COMM.BUS
TO CCM
COMM.BUS
TO INDOOR&OUTDOOR
COMM.BUS
NOTE
The air conditioner should be grounded properly, otherwise it
may affect the anti-interference of the whole unit.
7.6 Electrical Connection
Power supply
Main switch/fuse
(can be purchased locally)
Power cable of indoor unit
IDU
Grounding
ODU
Grounding
Indoor and outdoor
power cable
Power supply
220-240V~ 50Hz
L N S
IDU
ODU
L(In) N(In) L(Out) N(Out) S(Out)
Incorrect wiring can cause some electrical components to
malfunction.
Do not connect the cables with power on, which will
endanger personal safety.
CAUTION
NOTE
Remove the electric box cover of the outdoor unit (two screws).
Connect the cables of the indoor unit to the outdoor unit's
terminal block according to the numbers.
To prevent water from entering, make an electrical coil with the
connecting cable.
Wrap cables (conductors) that are not plugged into the terminal
block with insulating tape so that they do not contact any
electrical or metal parts.
■ Outdoor Unit
■ Cooling and heating type
Indoor and outdoor units are properly installed.
Piping length, and the amount of refrigerant charged have been
recorded.
Piping and wiring are correct.
The voltage of the power supply is the same as the rated voltage
of the air conditioner.
No leakage from the refrigerant piping system.
There is no obstacle at the air inlet and outlet of the IDUs and
ODU.
Water discharge is smooth.
Open the check valves on the gas and liquid sides.
Heat insulation is complete.
Connect to the power supply to let the air conditioner warm up
first.
Grounding cables have been properly connected.
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10mm
40mm
Electric box cover
Connecting
electrical cable
Terminal block of ODU
Wire clamp
L N S
7.5 Electrical Connection Diagram
(For
018 / 024
)
Fig. 7-5
Fig. 7-6