29
Installation and Maintenance
Service Manual
1. Remove the handle at the right side plate of the outdoor unit
(one screw).
2. Remove the cable clamp, connect the power connection
cable with the terminal at the row of connection and fix the
connection. The tting line distributing must be consistent with
the indoor unit. terminal of line bank. Wiring should meet that of
indoor unit.
3. Fix power connection wire by wire clamp.
4. Ensure wire has been xed well.
5. Install the handle.
An all-pole disconnection switch having a contact
separation of at least 3mm in all pole should be connected
in xed wiring.
Wrong wire connection may cause malfunction of some
electric components.After xing cable, ensure that leads
between connection to xed point have some space.
The connection pipes and the connectiong wirings of the
unit A, unit B, unit C and unit D must be corresponding to
each other respective.
The appliance shall be installed in accordance with
national wiring regulations.
Note: The above gures are only intended to be a simple
diagram of the appliance and may not correspond to the
appearance of the units that have been purchased.
Including an air switch with suitable capacity,please note
the following table. Air switch should be included magnet
buckle and heating buckle function, it can protect the
circuit-short and overload. (Caution: please do not use the
fuse only for protect the circuit)
GWHD(21)NK3KO GWHD(24)NK3MO
Air-conditioner Air switch capacity
GWHD(21)NK3KO 25A
GWHD(24)NK3MO
25A
L
N
To the power supply
Power cord
L
L
To unit A
To unit B
connecting
cable
To unit C
connecting
cable
connecting
cable
Handle
GWHD(21)NK3KO
C
C
To the power supply
To unit B
Handle
To unit A
connecting
cable
connecting
cable
To unit C
Outdoor unit
Indoor unit
L
connecting
cable
Power cord
L
GWHD(24)NK3MO
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