Table Of Contents - Mitsubishi CITY MULTI PURY-EM-YNW-A1(-BS) Series Installation Manual

CONTENTS
1. Safety precautions ················································································ 2
1-1. General precautions............................................................................................................... 2
1-2. Precautions for transporting the unit ...................................................................................... 4
1-3. Precautions for unit installation .............................................................................................. 4
1-4. Precautions for piping work.................................................................................................... 5
1-5. Precautions for electrical wiring ............................................................................................. 6
1-6. Precautions for relocating or repairing the unit ...................................................................... 7
1-7. Additional precautions ............................................................................................................ 7
2. About the product ················································································10
3. Combination of outdoor units ································································ 11
4. Specifications ······················································································12
5. Package contents ·················································································13
6. Transporting the unit ············································································14
7. Installation location ··············································································15
7-1. Single unit installation .......................................................................................................... 17
7-2. Multiple unit installation ........................................................................................................ 18
8. Foundation work ··················································································20
9. Refrigerant piping work ········································································22
9-1. Restrictions .......................................................................................................................... 22
9-2. Pipe selection....................................................................................................................... 23
9-3. Twinning kit selection ........................................................................................................... 23
9-4. Pipe connection example ..................................................................................................... 24
9-5. Piping connections and valve operations ............................................................................ 29
9-6. Air-tightness test .................................................................................................................. 32
9-7. Thermal insulation for pipes ................................................................................................. 33
9-8. Evacuation of the system ..................................................................................................... 35
9-9. Additional refrigerant charge ................................................................................................ 36
10. Electrical work ···················································································41
10-1. Before electrical work......................................................................................................... 41
10-2. Power cables and device capacity ..................................................................................... 41
10-3. Control cable specifications ............................................................................................... 44
10-4. System configuration ......................................................................................................... 44
10-5. Wiring connections in the control box ................................................................................ 48
10-6. Address setting .................................................................................................................. 53
11. Test run ·····························································································54
11-1. Before a test run ................................................................................................................. 54
11-2. Function setting .................................................................................................................. 55
11-3. Operation characteristics in relation to the refrigerant charge ........................................... 56
11-4. Operation check ................................................................................................................. 56
12. Inspection and maintenance ································································57
13. Rating plate information ······································································58
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