2
CONTENTS
1. CONSTRUCTION VIEWS 4
1.1 INDOOR VIEW 4
1.2 OUTDOOR VIEW 5
2. SCHEMATIC DIAGRAMS 5
2.1 INDOOR UNITS 12K 5
2.2 INDOOR UNITS 12K & 18K & 24K 6
2.3 OUTDOOR UNITS 7
2.4 PRINTED CIRCUIT BOARD 8
2.5 INDOOR UNITS 12K (ZS12V70CCHI - ZS12V80CCHI - ZS12V71CCHI - ZS12V81CCHI - ZS12V91C-
CHI 8
2.6 INDOOR UNITS 18K & 24K 9
2.7 OUTDOOR UNITS 10
3. REFRIGERANT SYSTEM DIAGRAM 11
3.1 COOLING AND HEATING MODELS 11
4. PRECAUTIONS 12
4.1 ELECTRICAL SAFETY PRECAUTIONS 12
4.2 INSTALLATION SAFETY PRECAUTIONS 12
4.3 TRANSPORTATION SAFETY PRECAUTIONS 12
4.4 PRODUCT DESCRIPTION 13
5. BEFORE INSTALLATION 15
5.1 TOOLS NEEDS FOR INSTALLATION 15
5.2 ACCESSORIES 15
5.3 INSTALLATION DETAILS 15
5.4 INSTALLATION SUMMARY 17
5.5 OUTDOOR UNIT INSTALLATION 17
5.6 PIPING CONNECTION SUMMARY 18
5.7 INSTALLATION OF ELECTRICAL WIRES SUMMARY 19
6. NEW REFRIGERANT ( R410A) 19
6.1 TYPICAL APPLICATIONS 20
6.2 SAFETY PRECAUTIONS 20
6.3 R410A CHARGING INSTRUCTION 21
6.4 R410A PRESSURE TEMPERATURE CHART 22
6.5 VACUUMING AND REFRIGERANT CHARGING & DISCHARGING PROCESS 24
7. CLEANING AND MAINTENANCE 25
7.1 BEFORE MAINTENANCE 25
7.2 CLEANING THE UNIT 25
7.3 CLEANING THE FILTERS 25
