Toshiba XXXXXXX(
X
/X)
– 20 –
4-way Air Discharge Cassette Type
Installation Manual
EN
Wiring on the ceiling panel
According to the Installation Manual of the ceiling
panel, connect the connector (20P: White) of the
ceiling panel to the connector (CN510: White) on
P.C. board of the electric parts box.
Wiring
1. Remove a screw and then remove cover of the
electric parts box.
2. Strip wire ends (10 mm).
3. Match wire colors with terminal numbers on
indoor and outdoor units’ terminal blocks and
firmly screw wires to the corresponding
terminals.
4. Connect the ground wires to the corresponding
terminals.
5. Fix the wire with cord clamp.
6. Fix cover of the parts box and the terminal block
surely with the fixing screws.
Remote Controller Wiring
• Strip off approx. 9mm the wire to be connected.
• For single system, use non polarity, 2 core wire
is used for wiring of the remote controller.
(0.5mm² to 2.0mm² wires)
• For the synchronous twin, triple system, use 2-
core shield wire (MVVS 0.5 to 2.0 mm²) to
conform to the EMC standard.
Wiring diagram
* For details of wiring/installation of the remote
controller, refer to the Installation Manual
enclosed to in the remote controller.
▼
Single system
▼
Synchronous twin system
Make a loop on the wire for margin of the length
so that the electric parts box can be taken out
during servicing.
L
1
3
10
50
10
70
N
2
Connecting
wire
Earth line
A
B
A
B
Terminal block
Remote
controller
unit
Terminal block for
remote controller
wiring of indoor unit
Remote controller wire
(Procured locally)
A
B
1
1
L
N
2
2
3
3
Indoor side
Indoor/Outdoor
connecting wires
Remote controller
Remote controller
wiring
Outdoor side
220-240V~
A
B
1
2
3
A
B
1
1
L
N
2
2
3
3
Indoor side
Indoor/Outdoor
connecting wires
Remote controller
Remote controller
wiring
Outdoor side
Remote controller
inter-unit wiring
Indoor power
inter-unit wiring
Indoor side
220-240V~
20-EN
+00EH99858901-1_01EN_4-way_IM.book Page 20 Tuesday, June 3, 2008 6:30 PM