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Outdoor Unit (50/60 class)
Si21-205
296
Removal Procedure
2
Push the claw up to
release the cable way
board.
Open the cable way
board.
3
Disconnect the
harnesses from the
power supply PCB.
HL (black) ···· to the
terminal strip
HE2 (yellow / green) ····
to the terminal strip
(earth)
HAC1 (black) ···· from
the control PCB (AC1)
HE1 (yellow / green) ····
from the control PCB
(E)
Power supply PCB
4
Disconnect the
connectors of the front
side.
S20: electronic
expansion valve
S40: overload protector
S80: four way valve
S90: thermistors
(discharge pipe,
outdoor air,
heat exchanger)
Step
Procedure
Points
HE1
V3(varistor)
(soldered)
HE2
HL
FU1 250V 30A
HAC1
(R2707)
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 ...