Outdoor
unit
P Q E
Indoor unit
P Q E
Wired
Remote
controller
control
When the power cable is parallel to the signal cable, insert electric wires in their respective electric wire pipes
and reserve a proper inter-wire distance. (distance between power cables: lower than 10 A –300 mm; lower
than 50 A – 500 mm)
Use a three-core shielded cable as the indoor/outdoor unit signal cable, and ground the shielding layer as
required.
The display box, remote control, and build-out resistor are accessories for the indoor unit. The wired controller
is optional. To purchase a wired controller, contact your local distributor.
5.1 Outdoor Unit Wiring
Functions of Outdoor Unit Wiring Terminals
L1
L2
L3
XT1
Power Supply
Reserved
To kilowatt-
To centralized
hour meter
controller
20 - 28kW
K1 K2 E O A E
X Y E
Outdoor unit
Digital
Central indoor
monitor
ammeter
unit controller
33.5kW
Note: The parts in the dotted line box are optional.Contact
the local distributor to purchase them if required.
Indoor unit
P Q E
Wiring the indoor unit and outdoor unit control
N
To indoor units com-
munication bus
P Q E
Indoor and outdoor
unit communication
Fig. 5-3
Indoor unit
P Q E
CAUTION
Note:Use a three-core shielded cable,
and ground the shielding layer
The Specification of Power
Power Source
Model
Capicity(kW)
Hz
Voltage
Min.(V)
Power
Max.(V)
Supply
Min Circuit Amps.
Total Over-current Amps.
Max Fuse Amps.
MSC
Compressor
RLA
kW
OFM
FLA
Equipment complying with IEC 61000-3-12.
A disconnection device having an air gap contact separation
in all active conductors should be incorporated in the fixed
wiring according to the National Wiring Regulation.
The reserved function is indicated in broken line table,users
can select it when necessary.
Indoor/Outdoor Unit Signal Wire
Connect the wire according to their numbers.
18
Use a shield cable and
ground the shielding layer.
Indoor unit
P Q E
Add a build-out resistor
at the P/Q end of the last
indoor unit only.
Build-out
resistor
Table 5-1
380-415V 3N~ 50 Hz
20
22
26
50
380-415
342
456
19
19
20.5
24.3
24.3
24.3
25
25
25
/
/
/
12
12.4
15
2×0.17
2.1+2.1
CAUTION
V.1
Fig. 5-2
28
33.5
21
26.4
24.3
33.2
25
32
/
/
18.4
19.6