Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 579

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• Manual address setting
Connect the transmission cable like as Fig. 3 and Fig. 4
– 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
4.
Confirm how to install Signal amplifier.
For details of wiring rules, refer to
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.
4-3. Transmission cable
Refrigerant system 1
Transmission cable
Refrigerant system 2
Transmission cable
Transmission cable
Refrigerant system 3
Fig. 3
Refrigerant system 1
Indoor unit
Indoor unit
Refrigerant system 2
Indoor unit
Indoor unit
Indoor unit
Refrigerant system 3
Indoor unit
Indoor unit
Indoor unit
"Wiring rules"
"Wiring rules"
X1 X2
TRANS-
MISSION
Indoor unit
Outdoor unit
Indoor unit
Indoor unit
Outdoor unit
Indoor unit
Outdoor unit
Fig. 4
on page 06-55.
on page 06-55.
Transmission cable
X1 X2
TRANS-
MISSION
Indoor unit
- (06-57) -
4. Wiring design

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