9
4. Zone Control Interface
N
L
3
SW1
ON
1
8
TB3AC
LED2
LED1
ZONE CONTROL INTERFACE
Indoor unit
CN506
(RED)
CN460
Indoor
Wifi
(WHT)
TB3M
CN105(RED)
CN201
(RED)
CN202
(RED)
CN62
TB24
CN61
CN64
CN63
CN66
CN65
CN68
CN67
<Fig. 4.2.2>
<Connecting to indoor unit>
Use the accessory cable (
2
indoor unit-zone controller cable) for connecting
CN460 on the zone control interface to CN105 on the indoor controller board.
<Power supply>
a) Models with outdoor unit power supply
The models powered by outdoor unit can supply power to the zone control interface
and the damper motor by connecting the 240V side of transformer to L and N on
the TB3AC.
It can also be powered via an independent power source.
When the power source cables exceed the wiring length indicated in the following
table, the power source wire of the indoor unit and the zone controller should wire
separately.
Maximum wiring length
Zone controller powered via indoor unit
b) Models with separate indoor/ outdoor unit power supplies
The models with separate indoor/ outdoor unit power supplies can supply power
to the zone control interface and the damper motor by connecting the 24V side
of transformer to L and N on the TB3AC.
It can also be powered an independent power source.
Connecting to the model with separate indoor/ outdoor unit power supplies
Connecting to the model powered by outdoor unit
<Fig. 4.2.3>
Power supply wiring for 24V damper motor model
Outdoor unit
L
Indoor unit
TB24
TB3AC
CN460
CN105
Zone control interface
Transformer
Accessory
N
S3
S2
S1
S3
S2
S1
N
L
<Fig. 4.2.4>
Power supply wiring for 24V damper motor model
TB24
TB3AC
CN460
CN105
Outdoor unit
Indoor unit
Zone control interface
Accessory
Transformer
L N
S3
S2
S1
S3
S2
S1
L N
N
L
Wiring
Wiring No.×size(mm
2
)
Zone control interface CN460 - Indoor unit CN105 *1
Zone control interface TB3AC L,N - Indoor unit
2×Min. 1.0
Zone control interface unit earth
1×Min. 1.0
Circuit rating
Zone control interface TB3AC L,N - Indoor unit
220–240V AC
Transformer - TB24
24V AC *2
Wiring size
Outdoor unit - Indoor unit wiring length
1.5mm²
Max 30m
2.5mm²
Max 50m
Wiring specification
Notes:
1. Wiring size must comply with the applicable local and national codes.
2. Remote controller/ Indoor unit connecting cords shall not be lighter than
polychloroprene sheathed flexible cord. (Design 60245 IEC 57)
3. Install an earth longer than other cables.
*1
Use the accessory cable (
2
indoor unit-zone controller cable).
*2 The 24V AC is used only for the model which is adaptable to 24V damper motor.
Note:
Connect the cable to CN105 (RED) on the indoor control board A (I.B.A) for
the indoor unit PEA-RP·GAA model.
