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Si21-205
Troubleshooting for Outdoor Unit (50/60 class)
Troubleshooting
219
7.16 Checks for Outdoor Unit (50/60 class)
7.16.1 Fan Motor Connector Output Check
Check No.01
1. Check connector connection.
2. Check motor power supply voltage output (pins 4-7 and 4-8).
3. Check motor control voltage (pins 4-3).
4. Check rotation command voltage output (pins 4-2).
5. Check rotation pulse input (pins 4-1).
Check No.02
1. Check connector connection.
2. Check motor control voltage output (pins 2-1).
7
6
5
4
3
2
1
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1~ 5 VDC)
Rotation pulse input
Upper fan connector
8
7
6
5
4
3
2
1
Motor power supply voltage
Unused
Unused
Unused
P.0V (reference potential)
Motor control voltage (15 VDC)
Rotation command voltage (1 to 5 VDC)
Rotation pulse input
Lower fan connector
(R1224)
5
4
3
2
1
Motor power supply voltage
Unused
Unused
P.0V (reference potential)
Motor control power supply
S202
(R1073)
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 ...