• Manual address setting
Connect the transmission cable like as Fig. 3 and Fig. 4
Transmission cable
Transmission cable
Transmission cable
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
Fig. 3
Fig. 4
Indoor unit Indoor unit Indoor unit
Indoor unitIndoor unit Indoor unit Indoor unit
Indoor unitIndoor unit Indoor unit Indoor unit
Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
Outdoor unit
Outdoor unit
Outdoor unit
– X1, X2: Indoor units to outdoor unit
– Z1, Z2: Connection for different refrigerant circuit of outdoor unit
3. Confirm the transmission wiring rule.
For details of wiring rules, refer to "Wiring rules" on page 06-56.
4. Confirm how to install Signal amplifier.
For details of wiring rules, refer to "Wiring rules" on page 06-56.
5. Confirm how to wire transmission cable.
Confirm how to connect transmission cable between indoor units.
• Arrange so that there is one terminal resistor for each network segment.
• Always take a ground from both ends of transmission cable.
X1 X2
TRANS-
MISSION
X1 X2
TRANS-
MISSION
Transmission cable
Indoor unit Indoor unit
4-3. Transmission cable
- (06-58) - 4. Wiring design
SYSTEM
DESIGN
SYSTEM
DESIGN
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