OUTDOOR UNITS: VRVIII-S Heat Pump. Models RXYMQ36PVJU ; RXYMQ48PVJU

This Installation Manual is for
VRVIII-S Outdoor Units

OUTDOOR UNITS MODELS: RXYMQ36PVJU ; RXYMQ48PVJU
 

CONTENTS:

  • 1. SAFETY CONSIDERATIONS Page… 1
  • 2. INTRODUCTION Page… 2
  • 2-1. Combination Page… 3
  • 2-2. Standard operation limit Page… 3
  • 2-3. Spec list Page… 3
  • 2-4. Electrical properties Page… 3
  • 2-5. Standard supplied accessories Page… 3
  • 2-6. Option accessory Page… 3
  • 3. BEFORE INSTALLATION Page… 3
  • 4. SELECTING INSTALLATION SITE Page… 4
  • 5. PRECAUTIONS ON INSTALLATION Page… 5
  • 6. FIELD WIRING Page… 6
  • 6-1. Wiring connection example for whole system Page…6
  • 6-2. How to lay the power supply wiring and
    transmission wiring Page… 6
  • 6-3. How to connect the power supply wiring Page… 7
  • 6-4. Transmission wiring connection procedure Page… 7
  • 7. PRECAUTIONS ON REFRIGERANT PIPING Page… 7
  • 7-1. Installation tools Page… 7
  • 7-2. Selecting piping material Page… 8
  • 7-3. Protection against contamination when
    installing pipes Page.. 8
  • 7-4. Pipe connection Page… 8
  • 7-5. Connecting the refrigerant piping Page… 8
  • 7-6. Heat insulation of piping Page… 9
  • 7-7. Example of connection Page… 10
  • 7-8. Air tight test and vacuum drying Page…11
  • 8. ADDITIONAL REFRIGERANT CHARGE Page… 12
  • 8-1. Before adding refrigerant Page… 12
  • 8-2. Checking the refrigerant tank Page… 12
  • 8-3. Adding refrigerant Page…12
  • 9. POST-WORK CHECKS Page… 12
  • 10. TEST RUN Page… 12
  • 10-1.Power On–Check Operation Page… 12
  • 10-2.Temperature control operation checklist Page… 13
  • 11. CAUTION FOR REFRIGERANT LEAKS Page… 14