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Si21-205
Field Piping and Wiring
Field Piping and Wiring
51
Connection of wiring between units and for the remote control cord (Refer to Fig. 27)
•
Wiring between units
Holding the control box lid, loosen the two securing screws, remove the control box lid,
match up the phases on the power source terminal block inside (3P), and make the
connections.
After this is done, use the attached clamp (4) to bind wiring between units to the anchor
point. (Refer to Fig. 28)
•
Remote controller cord: The simultaneous operation multi sub-unit is not required.
(Refer to Fig. 27.29)
Connect to the remote control terminal block (2P). (There is no polarity.) After this is done,
use the attached clamp (4) to bind remote controller cord to the anchor point.
(Refer to Fig. 28)
Attaching the suction grille and the dressing boards
•
Once wiring is complete, firmly attach the dressing side board by reversing the steps taken
to remove the suction grille.
Ground terminal
Fig. 28
Rear penetration lid
Liquid pipe
Gas pipe
Drain hose
Remote controller cord
Wiring between units
Wiring between units (If wiring the slave
unit, connect to master unit)
Control box
Remote control terminal block (2P)
Power supply terminal block (3P)
Seal with caulking
material or putty
Fastener
Clamp (4) (attached)
After securing the
clamp material
to the bracket,
cut off any extra
material.
Remote controller cord
Fastener
Clamp (4)
(attached)
Wiring between
units
Control box lid fixation
screw
Conduits
How to connect power supply terminal
block (3P)
Fig. 27
Fig. 28
P1 P2
Remote controller cord
Remote control
terminal block (2P)
Fig. 29
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 ...