Tabla De Contenido - Mitsubishi Electric CITY MULTI Y Serie Manual De Instalación

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.................................................................................................... 4
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 ······················································································10
5. Package contents ·················································································12
6. Transporting the unit ············································································13
7. Installation location ··············································································14
7-1. Single unit installation .......................................................................................................... 14
7-2. Multiple unit installation ........................................................................................................ 15
8. Foundation work ··················································································17
9. Refrigerant piping work ········································································19
9-1. Restrictions .......................................................................................................................... 19
9-2. Pipe selection....................................................................................................................... 21
9-3. Twinning kit selection ........................................................................................................... 22
9-4. Pipe connection example ..................................................................................................... 22
9-5. Piping connections and valve operations ............................................................................ 25
9-6. Air-tightness test .................................................................................................................. 28
9-7. Thermal insulation for pipes ................................................................................................. 29
9-8. Evacuation of the system ..................................................................................................... 31
9-9. Additional refrigerant charge ................................................................................................ 32
10. Electrical work ···················································································36
10-1. Before electrical work......................................................................................................... 36
10-2. Power cables and device capacity ..................................................................................... 36
10-3. Control cable specifications ............................................................................................... 39
10-4. System configuration ......................................................................................................... 39
10-5. Wiring connections in the control box ................................................................................ 42
10-6. Address setting .................................................................................................................. 47
11. Test run ·····························································································48
11-1. Before a test run ................................................................................................................. 48
11-2. Function setting .................................................................................................................. 49
11-3. Operation characteristics in relation to the refrigerant charge ........................................... 50
11-4. Operation check ................................................................................................................. 50
12. Inspection and maintenance ································································51
13. Rating plate information ······································································52