Table of Contents
Page
UNIT COMBINATION
iiii
1
OPERATING RANGE
1
2
SPECIFICATIONS
2-1 Unit Specification
2
2-2 Major Component Specifications 4
2-3 Other Component Specifications 5
3 DIMENSIONAL DATA 7
4 REFRIGERANT FLOW DIAGRAM 9
5
ELECTRICAL DATA
5-1 Electrical Characteristic
11
5-2 Electric Wiring Diagrams 12
6
INSTALLATION INSTRUCTION
6-1 Installation Site Selection 16
6-2 Place and Space for Installation 17
6-3 Installation with Dual System Kit 18
6-4 Wiring Instruction 19
7 FUNCTION 21
8
TROUBLESHOOTING
8-1 Check before and after troubleshooting 22
8-2 Air Conditioner Does not operate 23
8-3 Some Parts of Air Conditioner does not operate 24
8-4 Air Conditioner operates, but abnormalities are observed 26
9
SPECIAL PRECAUTIONS WHEN SERVICING THE UNIT
9-1 Blue/green connector attachment for servicing 28
9-2 Refrigerant recovery 29
9-3 Service on outdoor unit 29
9-4 Evacuation using vacuum pump 29
9-5 Refrigerant charging 30
9-6 Reattaching green connectors for operation 31
10 REFRIGERANT R407C:SPECIAL PRECAUTION WHEN SERVICING THE UNIT
10-1 Characteristics of new refrigerant R407c 33
10-2 Checklist before servicing 33
10-3 Tools specifically for R407c 34
10-4 For tubing installation procedures 34
10-5 In case of compressor malfunction 35
10-7 Charging additional refrigerant 39
10-8 Retro-fitting existing systems 39
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10-6 In case of refrigerant leaking 37
