Table of Contents
Advertisement
6.2
Electrical Wiring Connection
(1) Connect the power supply wires to the
terminal board in the electrical control box
of both outdoor unit and indoor unit. And
connect the earth wire to the electrical
control box of outdoor unit.
In addition, connect the earth wire to earth
screw in the electrical control box of indoor
unit. Refer to Fig. 6.2.
(3) Do not wire in front of the fixing screw of
the service panel. If do, the screw can not
be removed.
(4) Use twist pair cable with shielded for
control between outdoor unit and indoor
unit, control wiring between indoor units,
wiring (1 and 2) for remote control switch
and transmission wiring (A and B)
for remote control switch .
CORRECT (ONE PHASE)
1P,220-240V~ 50Hz
1P,220-240V~ 50Hz
ELB for
Outdoor Unit
FUSE
Outdoor Unit
Switch
INCORRECT
INCORRECT
1P,220-240V~ 50Hz
ELB for
Outdoor Unit
FUSE
Outdoor Unit
Switch
Fig. 6.1 One phase indoor unit and outdoor unit
communication wire connection
(2) Connect the wires between the outdoor
and indoor units to terminals 1 and 2 on the
terminal board.
If power supply wiring is connected to 1
and 2 of terminal board (TB1), printed
circuit board will be damaged.
Refer to Fig. 6.1.
(ONE PHASE)
ELB for
Indoor Unit
Indoor Unit
Indoor Unit
(ONE PHASE)
Indoor Unit
NOTES:
1. In case of total wiring length at intermediate
wiring between outdoor unit and indoor unit
and between indoor units is less than 100m, it
is possible to use the normal wiring (more than
0.75mm
) except twist pair cable.
2
2. Total wiring length for remote control switch
can be extended up to 500m.
If total wiring length less than 30m, it is
possible to use the normal wiring (0.3mm
except twist pair cable.
19
Remote
Control
Switch
(Option)
Remote
Remote
Control
Control
Switch
Switch
(Option)
(Option)
)
2
Advertisement
Table of Contents
