Toshiba MMK-AP0094MH-E [79/102] Wiring between indoor and outdoor units

Toshiba MMK-AP0094MH-E [79/102] Wiring between indoor and outdoor units
79
SMMS High-Wall Type
Installation Manual
– 23 –
CAUTION
The remote controller wire (Communication line) and AC 220 – 240 V wires cannot be parallel to
contact each other and cannot be stored in the same conduits. If doing so, a trouble may be
caused on the control system due to noise or other factor.
L1 L2 Ln
Indoor unit
Remote controller inter-unit wiring
Indoor unit Indoor unit Indoor unit
Remote
controller
(Max. 8 units)
Remote
controller
w
iring
Wiring between indoor and outdoor units
NOTE
An outdoor unit connected with control wiring between indoor and outdoor units wire becomes automatically
the header unit.
23-EN
SMMS High-Wall Type
Installation Manual
– 24 –
EN
Wiring example
U1 U2
U1 U2 U3 U4L1 L2 L3 N U5 U6
LN AB
AB
U1 U2 U3 U4L1 L2 L3 N U5 U6
U1 U2LN AB
AB
U1 U2LN AB
AB
U1 U2LN AB
Outdoor Power supply
380 V - 415 V ~, 50 Hz
380 V ~, 60 Hz
Circuit breaker,
Power switch
Remote controller
Indoor unit
Outdoor Power supply
380 V - 415 V ~, 50 Hz
380 V ~, 60 Hz
Remote controller Remote controller
Indoor unit Indoor unit Indoor unit
Circuit breaker Circuit breaker
Header outdoor
unit
Follower outdoor
unit
Control wiring between outdoor units
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor power supply
220 V - 240 V ~, 50 Hz
220 V ~, 60 Hz
Earth Earth Earth Earth
Group control
Pull boxPull boxPull box
Earth
terminal
Earth
terminal
Wired remote controller wiring
As the wired remote controller wire has non-polarity, there is no problem if connections to indoor unit
terminal blocks A and B are reversed.
W
iring diagram
A
B
A
B
Terminal block for
remote controller
wiring of indoor unit
Wired remote controller wire
(Procured locally)
Terminal block
Wired remote
controller unit
Address setup
Set up the addresses as per the Installation Manual supplied with Outdoor unit.
24-EN

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