Download SERVICE MANUAL/INTEGRATION SPLIT TYPE

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CONTENTS
1. SPECIFICATIONS ................................................................................................................................ 4
1-1.
1-2.
1-3.
1-4.
Indoor Unit ........................................................................................................................................................... 4
Outdoor Unit ...................................................................................................................................................... 10
Combination Specifications of Indoor Units with Outdoor Units ................................................................ 14
Operation Characteristic Curve ...................................................................................................................... 17
2. AIR DUCTING WORK ........................................................................................................................ 24
2-1. Static Pressure Characteristics of Each Model ............................................................................................. 24
3. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ............................................................................... 27
3-1. Indoor Unit ........................................................................................................................................................ 27
3-2. Outdoor Unit ...................................................................................................................................................... 32
4. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM ....................................................................... 35
4-1. Indoor Unit/Outdoor Unit ................................................................................................................................. 35
5. WIRING DIAGRAM ............................................................................................................................. 43
5-1. Indoor Unit ........................................................................................................................................................ 43
5-2. Outdoor Unit ...................................................................................................................................................... 47
6. SPECIFICATIONS OF ELECTRICAL PARTS ................................................................................... 50
6-1. Indoor Unit ........................................................................................................................................................ 50
6-2. Outdoor Unit ...................................................................................................................................................... 52
6-3. Accessory Separate Soldparts ....................................................................................................................... 54
7. REFRIGERANT R410A ..................................................................................................................... 55
7-1.
7-2.
7-3.
7-4.
7-5.
Safety During Installation/Servicing ...............................................................................................................
Refrigerant Piping Installation ......................................................................................................................
Tools ..................................................................................................................................................................
Recharging of Refrigerant ...............................................................................................................................
Brazing of Pipes ...............................................................................................................................................
55
55
59
60
61
8. CONTROL BLOCK DIAGRAM .......................................................................................................... 63
8-1. Indoor Control Circuit ...................................................................................................................................... 63
8-2. Control Specifications ..................................................................................................................................... 65
8-3. Indoor Print Circuit Board ................................................................................................................................ 65
9. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS ................................................... 87
9-1. Microcomputer System Block Diagram .......................................................................................................... 87
9-2. Indoor Control Circuit ...................................................................................................................................... 95
9-3. Outdoor Controls .............................................................................................................................................. 98
10. TROUBLESHOOTING ..................................................................................................................... 117
10-1.
10-2.
10-3.
10-4.
Summary of Troubleshooting ........................................................................................................................
Check Code List .............................................................................................................................................
Error Mode Detected by LED on Outdoor P.C. Board ..................................................................................
Troubleshooting Procedure for Each Check Code ......................................................................................
117
119
122
125
11. REPLACEMENT OF SERVICE INDOOR P.C. BOARD .................................................................. 146
12. SETUP AT LOCAL SITE AND OTHERS ......................................................................................... 150
12-1.
12-2.
12-3.
12-4.
Indoor Unit ......................................................................................................................................................
Network Adapter .............................................................................................................................................
How to Set an Address Number ....................................................................................................................
Display and Operation of Main Remote Controller and Central Control Remote Controller ..................
150
159
161
163
13. ADDRESS SETUP ........................................................................................................................... 164
13-1. Address Setup ................................................................................................................................................ 164
13-2. Address Setup & Group Control ................................................................................................................... 165
13-3. Address Setup ................................................................................................................................................ 166
14. DETACHMENTS ............................................................................................................................... 169
14-1. Indoor Unit ..................................................................................................................................................... 169
14-2. Outdoor Unit .................................................................................................................................................... 187
15. EXPLODED VIEWS AND PARTS LIST ........................................................................................... 211
15-1. Indoor Unit ...................................................................................................................................................... 211
15-2. Outdoor Unit .................................................................................................................................................... 227
15-3. Replacement of Main Parts (Sold Separately) ............................................................................................. 237
16. CORD HEATER INSTALLATION WORK ......................................................................................... 239
APPENDIX-1
1.
2.
3.
4.
5.
6.
7.
8.
SDI combination, Indoor / Outdoor ......................................................................................................................... 1
Service parts for 4-way Cassette Type .................................................................................................................... 1
Specification for Concealed Duct Type ................................................................................................................... 2
Service parts for Concealed Duct Type .................................................................................................................. 2
Service parts for Under Ceiling Type ...................................................................................................................... 3
Service PCB Replacement ....................................................................................................................................... 4
Indoor unit & Remote controller .............................................................................................................................. 5
Connecting cable for Remote controllers .............................................................................................................. 5
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