Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 739

„ TRANSMISSION WIRING FLOW
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z Step 1 : Decide to use feature of Automatic Address Setting depending on
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system design
Decide to use Automatic Address Setting or Manual Address Setting.
● Automatic Address Setting → Step 2 (1)
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● Manual Address Setting → Step 2 (2)
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z Step 2 : Confirm Transmission Wiring
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(1) Automatic Address Setting
Connect the transmission cable like as Fig 3-1, 3-2.
Transmission line
Transmission line
Transmission line
Indoor unit
Indoor unit
● X1, X2 : Indoor units to outdoor unit
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● Z1, Z2 : Connection for different refrigerant circuit of outdoor unit
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Refrigerant system 1
Refrigerant system 2
Refrigerant system 3
Fig. 3-1
Refrigerant system 1
Indoor unit Indoor unit Indoor unit
Refrigerant system 2
Indoor unit Indoor unit Indoor unit
Refrigerant system 3
Indoor unit Indoor unit Indoor unit
Fig. 3-2
- (06 - 48) -
Outdoor unit
Outdoor unit
Outdoor unit