51
Installation and Maintenance
Service Manual
8. Installation
8.1 Electrical Connections
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 fitting 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 fixed well.
5. Install the handle.
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)
Air-conditioner
Air switch capacity
GWHD(14)NK6OO
GWHD(18)NK6OO
16A
GWHD(21)NK6OO
GWHD(24)NK6OO
GWHD(28)NK6OO
25A
GWHD(36)NK6OO
GWHD(42)NK6OO
32A
An all-pole disconnection switch having a contact separation of
at least 3mm in all pole should be connected in fixed wiring.
Wrong wire connection may cause malfunction of some electric
components. After fixing cable, ensure that leads between
connection to fixed point have some space.
For 14K/18K, the connection pipes and the connectiong wirings
of the unit A, unit B must be corresponding to each other
respective.
For 21K/24K, the connection pipes and the connectiong wirings
of the unit A, unit B, unit C must be corresponding to each
other respective.
For 28K/36K, the connection pipes and the connectiong wirings
of the unit A, unit B, unit C, unit D must be corresponding to
each other respective.
For 42K, the connection pipes and the connectiong wirings of
the unit A, unit B, unit C, unit D, unit E must be corresponding
to each other respective.
The appliance shall be installed in accordance with national
wiring regulations.
Note: the above figures 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.
14K / 18K
21K / 24K
To the power supply
B
N(1)
2 3
black
brown
INDOOR UNIT B
blue
yellow-
green
A
N(1)
2 3
N
L
black
brown
(black)
brown
INDOOR UNIT A
blue
blue
POWER
N
L
yellow-
green
yellow-
green
To unit B
To unit A
Power cord connecting
cable
To unit A
To unit B
To unit C
A
B
N(1) 2 3
N(1)
2 3
N(1) 2 3
black
brown
brown
blue black
blue black
brown
INDOOR UNIT A
INDOOR UNIT B
INDOOR UNIT C
connecting
cable
connecting
cable
connecting
To the power supply
cable
C
yellow-
blue
green
yellow-
green
yellow-
green
1
/
32:(5
/
1
blue yellow-
green
(black)
brown
Power cord
L