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Check
Si12-411A
206
Service Diagnosis
6. Check
6.1
How to Check
6.1.1
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).
6.1.2
Limit Switch Continuity Check
Check No.3
Remove the front grille. The limit switch is located at the left side of the drain pan assembly.
Check the continuity of the switch connection.
∗
The shutter can be opened and closed with hand. Keep the shutter open and closed all the
way for each continuity check steps.
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)
Tester
Limit switch
Forward
Upward
Shutter status
Continuity
Closed
No continuity
Open
Continuity
(Q0363)
Содержание 2MKD58BVM
Страница 1: ...C Series Applied Models zInverter Multi Cooling Only zInverter Multi Heat Pump Si12 411A ...
Страница 6: ...Si12 411A Table of Contents v Index i Drawings Flow Charts v ...
Страница 7: ...Si12 411A vi Table of Contents ...
Страница 67: ...Specifications Si12 411A 56 Specifications ...
Страница 81: ...Printed Circuit Board Connector Wiring Diagram Si12 411A 70 Printed Circuit Board Connector Wiring Diagram ...
Страница 131: ...Instruction Si12 411A 120 System Configuration CDK X D 25 35 50 60 C Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...
Страница 173: ...Instruction Si12 411A 162 System Configuration ...
Страница 227: ...Check Si12 411A 216 Service Diagnosis ...
Страница 268: ...Si12 411A Others 257 Part 8 Others 1 Others 258 1 1 Test Run from the Remote Controller 258 1 2 Jumper Settings 259 ...
Страница 295: ...Si12 411A iv Index ...
Страница 298: ...Si12 411A Printed in Singapore 03 2005 AK COS ...