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CONTENTS
SAFETY CAUTION ............................................................................. 3
1. OUTLINE OF OUTSIDE AIR UNIT ................................................ 8
1-1. SMMS System Specifications to Connect Outside Air Unit ............................................. 9
2. SPECIFICATIONS........................................................................ 12
3. CONSTRUCTION VIEWS (EXTERNAL VIEWS).......................... 13
4. WIRING DIAGRAM ...................................................................... 15
5. PARTS RATING ........................................................................... 17
6. FAN CHARACTERISTIC.............................................................. 18
7. REFRIGERATING CYCLE DIAGRAM ......................................... 22
8. CONTROL OUTLINE ................................................................... 23
9. APPLIED CONTROL AND FUNCTION ....................................... 28
9-1. Indoor Print Circuit Board ................................................................................................. 28
9-2. Functions at test run.......................................................................................................... 33
9-3. Method to Set Indoor Unit Function DN Code ................................................................. 35
9-4. Applied Control in Indoor Unit .......................................................................................... 38
10. TROUBLESHOOTING ............................................................... 51
10-1. Overview ........................................................................................................................... 51
10-2. Troubleshooting Method.................................................................................................. 52
10-3. Troubleshooting Based on Information Displayed on Remote Control ...................... 58
10-4. Check Codes Displayed on Remote Control and SHRM-e Outdoor Unit (7-Segment
Display on I/F Board) and Locations to Be Checked .................................................... 62
10-5. Sensor Characteristics .................................................................................................... 72
11. OWNER’S MANUAL .................................................................. 73
12. INSTALLATION MANUAL ......................................................... 82
13. DETACHMENTS ........................................................................ 99
14. P.C. BOARD REPLACING PROCEDURES ............................. 104
15. EXPLODED VIEWS AND PARTS LIST ................................... 109