6. Confirm transmission wiring system.
Confirm your transmission wiring system if transmission wiring system is ensured wiring rule.
Check list
□ Total transmission wiring length
□ Total number of unit
NOTE:
For details, refer to "VRF network system" on page 06-4.
¢ Wiring method
Practical transmission wiring method is shown below.
Each terminal has to be connected the following rules.
To other refrigerant circuit outdoor unit
Power supply
Case of Case of
AJ*xxxLEL*H
Power supply
Power supply Power supply Power supply
Outdoor unit
Remote
control unit
Remote
control unit
Remote
control unit
Indoor unit
Remote control Remote control Remote control
Indoor unit Indoor unit
Power supply Power supply Power supply
*1
*2 *2 *2
*1 *1
BreakerBreaker
Breaker
Breaker
Breaker
AJ*xxxLBL*H
• X1, X2: Indoor units to outdoor unit
• Z1, Z2: Connection for different refrigerant circuit of outdoor unit
• *1: The number of power supply terminal is different depending on the indoor unit model.
• *2: Ground the remote controller if it has a ground wire.
4-3. Transmission cable
- (06-59) - 4. Wiring design
SYSTEM
DESIGN
SYSTEM
DESIGN
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