17
Technical Information
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 thefuse only
for protect the circuit)
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.
The connection pipes and the connectiong wirings
of the unit A and unit B 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.
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22
Installation and Maintenance
Service Manual
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.
Wrong wire connection may cause malfunction of some
electric components.After fixing cable, ensure that leads
between connection to fixed point have some space.
An all-pole disconnection switch having a contact
separation of at least 3mm in all pole should be connected
in fixed wiring.
The connection pipes and the connectiong wirings of
the unit A and unit B 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.
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
thefuse only for protect the circuit)
GWHD(18)ND3EO GWHD(18)ND3FO
GWHD(18)ND3GO
L1
L2
To the power supply
To unit B
Power cord
To unit A
connecting
cable
L1
L2
Power cord
L1 L2
L1 L2
L1
L2
To the power supply
To unit A
L1 L2
GWHD(24)ND3EO GWHD(24)ND3FO
GWHD(24)ND3GO
connecting
cable
connecting
cable
To unit B
connecting
cable
To unit C
connecting
cable
C
C
AWHD(18)ND3EO AWHD(18)ND3FO
AWHD(18)ND3GO
AWHD(24)ND3EO AWHD(24)ND3FO
AWHD(24)ND3GO
