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Si21-205
Field Piping and Wiring
Field Piping and Wiring
49
1.3.3 Wiring Example
For the wiring of outdoor units, refer to the installation manual attached to the outdoor units.
Confirm the system type.
•
Pair or Multi system : 1 remote controller controls 1 indoor unit. (standard system)
(Refer to Fig. 23)
•
Simultaneous operation system : 1 remote controller controls 2 indoor units. (2 indoor
units operates equally) (Refer to Fig. 24)
•
Group control : 1 remote controller controls up to 16 indoor units. (All indoor units operate
according to the remote controller) (Refer to Fig. 25)
•
Two remote controllers control : 2 remote controllers control 1 indoor unit.
(Refer to Fig. 26)
P
1
P
2
P
1
P
2
P
1
P
2
1 2 3
1 2 3
1 2 3
Main power supply
Main switch
Fuse
Outdoor unit
Indoor unit (Master)
Indoor unit (Slave)
P
1
P
2
Simultaneous operation system
Remote controller
(Optional accessories)
1 2 3
P
1
P
2
1 2 3
P
1
P
2
Main power supply
Main switch
Fuse
Outdoor unit
Indoor unit
Remote controller
(Optional accessories)
Pair or Multi system
P
1
P
2
P
1
P
2
1 2 3
P
1
P
2
Indoor unit
Remote
controller 1
(Optional
accessories)
Remote
controller 2
(Optional
accessories)
Outdoor unit
Main power supply
Main switch
Fuse
1 2 3
Two remote controllers control
P
1
P
2
1 2 3
1 2 3
1 2 3
P
1
P
2
P
1
P
2
P
1
P
2
1 2 3
1 2 3
1 2 3
Main power supply
Main switch
Fuse
Outdoor unit
Outdoor unit
Outdoor unit
Indoor unit
Remote controller (Optional accessories)
Indoor unit
Indoor unit
Main power supply
Main switch
Fuse
Main power supply
Main switch
Fuse
Group control
Fig. 23
Fig. 24
Fig. 25
Fig. 26
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...