27
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.
N( 1) 2 3
N( 1) 2 3
INDOOR UNIT C
INDOOR UNIT D
XTC
N( 1)
N( 1)
XTD
N( 1) 2 3
N( 1) 2 3
INDO OR UNIT A
INDOOR UNIT B
N( 1)
XTB
2 3
XTA
XT
N( 1)
OUTDOOR UNIT
POWER
L1 L2
2
L1 L2
3
2 3
2 3
G
G
G
G
G
N(1) 2 3
N( 1) 2 3
INDOOR UNI C INDOOR UNIT D
XTC
N( 1)
N( 1)
N( 1) 2 3
N(1) 2 3
INDOOR UNIT A INDOOR UNIT B
XTD
N( 1)
XTB
2
XTA
3
XT
N( 1)
POWER
OTDOOR UNIT
L
1 L2
2 3
L
1 L2
2 3
2 3
G
XTE
N( 1) 2 3
N( 1
) 2 3
INDOOR UNIT E
G
G
G
G
G
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)
L1
L2
L1 L2
L1
L2
L1 L2
C
C
TM18H4O
TM30H4O
TM36H4O TM42H3O
TM24H4O