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Field Piping and Wiring
Si21-205
42
Field Piping and Wiring
Connection of wiring between units, ground wire and for the remote control cord
(Refer to Fig. 29)
•
Wiring between units and ground wire
Remove the control box lid and connect wires of matching number to the power supply
terminal block (4P)inside. And connect the ground wire to the terminal block. In doing this,
pull the wires inside through the hole and fix the wires securely with the included clamp (4).
•
Give enough slack to the wires between the clamp (4) and power supply terminal block. (Use
Fig. 30 as a guide and allow at least 80mm for removing the sheath.)
•
Remove the control box lid and pull the wires inside through the hole and connect to the
terminal block for remote controller (6P). (no polarity) Securely fix the remote controller cord
with the included clamp (4).
•
Give enough slack to the wires between the clamp (4) and the terminal block for the remote
controller.
•
After connection, attach sealing material (12)
•
Be sure to attach it to prevent the infiltration of water from the outside.
Wiring between
units
Power supply
terminal block
( )
Ground the shield part of shielded wire.
Refer to Note 2 in "1.2.3. Wiring Example For FFQ Model"
Remote controller cord
Terminal block for
remote controller (6P)
control box lid
Wiring Remote controller cord
Wiring between units
Wiring diagram label
(Back side of control box lid)
Remove the
control box lid
(take off 2
screws)
Note
Outdoor
unit
Indoor
unit
(Wiring between units)
How to connect power
supply terminal block
(4P) with ground wire
Fig. 29
Be sure to attach it to prevent the infiltration of water
as well as any insects and other small creatures from
the outside.Otherwise a short circuit may occur inside
the control box.
Sealing material (12)
Attach completely to
hole of wiring without
leaving any space
[How to attach sealing materials]
Wiring to
outside
(Outside)
10~15mm
Wiring
(Inside)
Sealing
material(12)
Note)
10~15
mm
Be sure to clamp
wire sheath.
After securing the
clamp (4) to clamp material,
cut off any extra material
Be sure to clamp
wire sheath.
After securing the
clamp (4) to clamp
material, cut off
any extra material
After clamping
Clamp(4)(small)
to wire sheath,
clamp the wire
sheath with
Clamp(4)(Big)
to clamp
material.
Clamp(4)
(Small)
Clamp
material
Note
Clamp
material
Clamp(4)
(Big)
Clamp(4)
(Big)
(attached)
(attached)
(attached)
(attached)
(attached)
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 ...