Table Des Matières - Mitsubishi Electric CITY MULTI PUHY-P72TNU-A-B Manuel D'installation

CONTENTS
1. Safety precautions ················································································ 2
1-1. General precautions............................................................................................................... 2
1-2. Precautions for transporting the unit ...................................................................................... 3
1-3. Precautions for unit installation .............................................................................................. 4
1-4. Precautions for piping work.................................................................................................... 5
1-5. Precautions for electrical wiring ............................................................................................. 5
1-6. Precautions for relocating or repairing the unit ...................................................................... 6
1-7. Additional precautions ............................................................................................................ 6
2. About the product ················································································· 9
3. Combination of outdoor units ································································· 9
4. Specifications ······················································································ 11
5. Package contents ·················································································16
6. Transporting the unit ············································································17
7. Installation location ··············································································18
7-1. Single unit installation .......................................................................................................... 18
7-2. Multiple unit installation ........................................................................................................ 19
8. Foundation work ··················································································21
9. Refrigerant piping work ········································································23
9-1. Restrictions .......................................................................................................................... 23
9-2. Pipe selection....................................................................................................................... 25
9-3. Twinning kit selection ........................................................................................................... 26
9-4. Pipe connection example ..................................................................................................... 26
9-5. Piping connections and valve operations ............................................................................ 30
9-6. Air-tightness test .................................................................................................................. 34
9-7. Thermal insulation for pipes ................................................................................................. 35
9-8. Evacuation of the system ..................................................................................................... 37
9-9. Additional refrigerant charge ................................................................................................ 38
10. Electrical work ···················································································42
10-1. Before electrical work......................................................................................................... 42
10-2. Power cables and device capacity ..................................................................................... 42
10-3. Control cable specifications ............................................................................................... 48
10-4. System configuration ......................................................................................................... 48
10-5. Wiring connections in the control box ................................................................................ 51
10-6. Address setting .................................................................................................................. 57
11. Test run ·····························································································58
11-1. Before a test run ................................................................................................................. 58
11-2. Function setting .................................................................................................................. 59
11-3. Operation characteristics in relation to the refrigerant charge ........................................... 60
11-4. Operation check ................................................................................................................. 60
12. Inspection and maintenance ································································61
13. Rating plate information ······································································62
WT09452X01
GB-1