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AWHP
Installation Manual
TABLE OF CONTENTS
1. SAFETY PRECAUTIONS..............................................................................................................3
2. INSTALLATION PARTS ................................................................................................................8
3. GENERAL INFORMATION ..........................................................................................................9
4. INSTALLATION ...........................................................................................................................10
TRANSPORTING THE UNIT ......................................................................................................10
SELECTION OF THE BEST LOCATION.....................................................................................11
INSTALLATION SPACE ..............................................................................................................12
COLLECTIVE / CONTINUOUS INSTALLATION FOR ROOF TOP USE ....................................16
FOUNDATION FOR INSTALLATION ..........................................................................................17
WATER PIPING AND WATER CIRCUIT CONNECTION............................................................18
SANITARY WATER TANK AND SANITARY WATER TANK KIT .................................................22
INSTALLATION SCENES ...........................................................................................................23
REFRIGERANT PIPING .............................................................................................................25
FLARE SHAPE AND FLARE NUT TIGHTENING TORQUE.......................................................26
OPENING SHUTOFF VALVE......................................................................................................26
CLOSING SHUTOFF VALVE ......................................................................................................26
CONNECTING THE PIPES TO THE OUTDOOR UNIT..............................................................27
CAUTIONS FOR HANDLING SERVICE VALVE.........................................................................28
SELECTION OF REFRIGERANT PIPING..................................................................................29
THE AMOUNT OF REFRIGERANT............................................................................................29
LEAK TEST AND VACUUM DRYING .........................................................................................30
HOW TO CONNECT WIRINGS ..................................................................................................33
CONNECTION METHOD OF THE CONNECTING CABLE (EXAMPLE)...................................34
CONNECTING CABLES.............................................................................................................38
COMMUNICATION AND POWER CABLE..................................................................................39
WIRING OF MAIN POWER SUPPLY AND EQUIPMENT CAPACITY ........................................40
5. ACCESSORIES INSTALLATION ................................................................................................41
LOCATION OF ACCESSORIES AND EXTERNAL PARTS CONNECTION ...............................41
MAIN PUMP CONNECTION.......................................................................................................44
WATER TANK TEMPERATURE SENSOR CONNECTION ........................................................44
THERMOSTAT ............................................................................................................................45
REMOTE TEMPERATURE SENSOR.........................................................................................48
3WAY VALVE ..............................................................................................................................49
DRY CONTACT...........................................................................................................................51
6. SYSTEM SET-UP ........................................................................................................................52
DIP SWITCH SETTING...............................................................................................................52
INSTALLER SETTING ................................................................................................................59
7. TEST RUN...................................................................................................................................67
CHECKS BEFORE TEST RUN...................................................................................................68
TEST RUN PROCEDURE ..........................................................................................................68
CAUTION BEFORE OPERATION TEST ....................................................................................69
OPERATION TEST OF WATER PIPE ........................................................................................68
TROUBLESHOOTING ................................................................................................................69
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