Fujitsu Airstage J-IVS AJ 040LCLDH Series Design & Technical Manual page 720

¢ Wiring flow
1. Decide to use feature of automatic address setting depending on system design.
Decide to use automatic address setting or manual address setting.
• Automatic address setting: Go to
• Manual address setting: Go to
2. Confirm transmission wiring.
• Auto address setting
Connect the transmission cable like as Fig. 1 and Fig. 2
– X1, X2: Indoor units to outdoor unit
– Z1, Z2: Connection for different refrigerant circuit of outdoor unit
4-3. Transmission cable
"Auto address setting"
"Manual address setting"
Refrigerant system 1
Transmission cable
Refrigerant system 2
Transmission cable
Refrigerant system 3
Transmission cable
Fig. 1
Indoor unit Indoor unit
Indoor unit Indoor unit Indoor unit
Indoor unit Indoor unit Indoor unit
on page 06-60 in step 2.
on page 06-61 in step 2.
Refrigerant system 1
Indoor unit
Refrigerant system 2
Indoor unit Outdoor unit
Refrigerant system 3
Indoor unit
Outdoor unit
Fig. 2
- (06-60) -
Outdoor unit
4. Wiring design