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Si21-205
Wired Remote Controller
Remote Controller
21
3. Wire the indoor unit
Connect the terminals on top of the upper part of remote
controller (P1, P2), and the terminals of the indoor unit (P1,
P2). (P1 and P2 do not have polarity.)
Indoor Unit
Indoor Unit
Lower part of
remote
controller
Upper
Part of
remote
controlle
r
PC Board
PC Board
(Wired from the rear)
(Wired from the top)
When wiring, run the wiring away the
power supply wiring in order to avoid
receiving electric noise (external noise).
NOTE
Notch the part for the wiring to
pass through with nippers, etc.
NOTE) 1. Peel the shield and sheath for the part that is to
pass through the inside of the remote controller
case, as shown in the figure below.
Peel the shield and sheath
2. Shield wire (2 wire) can be used
for remote controller wiring, but it
must confirm to EMC (Electromagnetic
compatibility) (Australian regulation).
Wiring Specifications
Wiring Type
Sheathed vinyl code or cable (2 wire)
(See NOTE 2)
Size
0.75 - 1.25 mm
2
First, begin fitting
from the clips at
the bottom.
4. Reattach the upper part of remote
controller
Be careful not to pinch the wiring when attaching.
1. The switch box and wiring for connection are not
included.
2. Do not directly touch the PC board with your hand.
NOTE
If controlling one indoor unit with two remote controllers
Change the MAIN/SUB changeover switch setting as described below.
Main Remote
Controller
(Factory Set)
Sub Remote
Controller
PC Board
Set one remote controller to “main”, and the other to
“sub.”
NOTE
•
If controlling with one remote controller, be sure to
set it to “main.”
•
Set the remote controller before turning power
supply on.
“
888
8888
8
” is displayed for about one minute when the power supply is turned on, and the remote controller
cannot be operated in some cases.
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 ...