Table of Contents
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Operating Instructions and Installation
4-3-18 AC Line Zero Cross signal out error
4-3-19 Operation condition secession error
4-3-20 Capacity miss match error
4-3-21 DC-Link voltage under/over error
4-3-22 No Power (completely dead)-Initial diagnosis (Not displayed)
4-3-23 The outdoor unit power supply error (Not displayed)............................................................ 4-26
4-3-24 When the Up/Down Louver Motor Does Not Operate. (Initial Diagnosis) (Not displayed)
4-4-1 Pre-inspection Notices............................................................................................................................. 4-29
4-4-2 Inspection Procedure............................................................................................................................... 4-29
4-4-3 Indoor Detailed Inspection Procedure ............................................................................................. 4-29
4-4-4 Outdoor Detailed Inspection Procedure.......................................................................................... 4-30
4-5 Main Part Inspection Method
5-3 Ass'y control out .................................................................................................................................................
6-1-1. Ass'y Control In PCB ................................................................................................................................
6-1-2. Indoor MAIN PCB......................................................................................................................................
6-1-3. Indoor Display PCB...................................................................................................................................
6-1-4. Outdoor main PCB....................................................................................................................................
6-1-5. Outdoor EMI PCB....................................................................................................................................... 6-4
8-1.PCB Circuit Description
8-1-1.Indoor Unit....................................................................................................................................................
8-1-2.Display ............................................................................................................................................................
9-3 Distribution chart of the pressure...............................................................................................................
2
When E472 is displayed
When E400/441 is displayed.............................. 4-23
When E556 is displayed........................................................... 4-23
When E466 is displayed............................................. 4-24
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4-22
4-25
4-27
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4-28
4-29
4-31
5-1
5-1
5-3
5-5
6-1
6-1
6-1
6-2
6-3
6-3
6-5
7-1
8-1
8-1
8-1
8-2
9-1
9-1
9-2
9-3
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