Table of Contents
Page
1
OPERATING RANGE
1
2
SPECIFICATIONS
2-1 Unit Specification
2
2-2 Major Component Specifications 4
2-3 Other Component Specifications 6
3 DIMENSIONAL DATA 7
4 REFRIGERANT FLOW DIAGRAM 10
5
ELECTRICAL DATA
5-1 Electrical Characteristic 11
5-2 Electric Wiring Diagrams 12
5-3 Performance Charts 14
6
INSTALLATION INSTRUCTION
6-1 Installation Site Selection 15
6-2 Place and Space for Installation 15
6-3 Wiring Instructions 16
7
REFRIGERANT R407C:SPECIAL PRECAUTION WHEN SERVICING UNIT
7-1 Characteristics of new refrigerant R407c 17
7-2 Checklist before servicing 17
7-3 Tools specifically for R407c 18
7-4 For tubing installation procedures 18
7-5 In case of compressor malfunction 19
7-6 In case refrigerant is leaking 21
7-7 Charging additional refrigerant 23
7-8 Retro-fitting existing systems 23
8 FUNCTION
8-1 RoomTemperatureControl 24
8-3 Freeze Prevention 26
10 ARRANGEMENT OF ELECTRICAL COMPONENTS 32
11 CHECKING ELECTRICAL COMPONENTS
11-1 Measure of insulation Resistance 33
11-2 Checking Motor Capacitor 34
ii
9 TROUBLESHOOTING
9-1 Check before and after troubleshooting 27
9-2 Air Conditioner Does not work 28
9-3 Some Parts of Air Conditioner does not operate 30
9-4 Air Conditioner operates, but abnormalities are observed 31
8-2 Dry Operation 25
12 DISASSEMBLY PROCEDURE FOR INDOOR UNIT 35