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Mitsubishi Electric CITY MULTI PUHY-P72ZKMU-B Data Book
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Mitsubishi Electric CITY MULTI PUHY-P72ZKMU-B Data Book

Mitsubishi Electric CITY MULTI PUHY-P72ZKMU-B Data Book

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AIR CONDITIONING SYSTEMS
MODEL
PUHY-P72-360Z(S)KMU-B (-BS)

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Summary of Contents for Mitsubishi Electric CITY MULTI PUHY-P72ZKMU-B

  • Page 1 AIR CONDITIONING SYSTEMS MODEL PUHY-P72-360Z(S)KMU-B (-BS)
  • Page 2 GENERAL LINE-UP GENERAL LINE-UP I.GENERAL LINE-UP Heat Pump Y Series - 575V 288K Type(BTU/h) Type(BTU/h) PUHY-P288ZSKMU-B PUHY-P72ZKMU-B PUHY-P96ZKMU-B Model Name Model Name 120K 144K Type(BTU/h) 312K Type(BTU/h) PUHY-P120ZKMU-B PUHY-P144ZKMU-B PUHY-P312ZSKMU-B Model Name Model Name 168K 192K 336K Type(BTU/h) Type(BTU/h) PUHY-P168ZSKMU-B PUHY-P192ZSKMU-B PUHY-P336ZSKMU-B Model Name...
  • Page 3 CONTENTS Y-Series-575V PUHY-P-Z(S)KMU-B I.Y-Series-575V 1. SPECIFICATIONS ............................ 2 2. EXTERNAL DIMENSIONS ........................15 3. CENTER OF GRAVITY ..........................30 4. ELECTRICAL WIRING DIAGRAMS ......................31 5. SOUND LEVELS ............................33 6. VIBRATION LEVEL ..........................36 7. OPERATION TEMPERATURE RANGE....................37 8.
  • Page 4 1. SPECIFICATIONS Y-Series-575V I.Y-Series-575V 1. SPECIFICATIONS PUHY-P72ZKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 72,000 (Nominal) 21.1 Power input 4.77 (575) Current input (Rated) BTU/h 69,000 20.2 Power input 5.47 5.39 (575) Current input Temp.
  • Page 5 1. SPECIFICATIONS Y-Series-575V PUHY-P96ZKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 96,000 (Nominal) 28.1 Power input 6.74 (575) Current input (Rated) BTU/h 92,000 27.0 Power input 7.49 7.44 (575) Current input Temp.
  • Page 6 1. SPECIFICATIONS Y-Series-575V PUHY-P120ZKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 120,000 (Nominal) 35.2 Power input 8.48 (575) Current input (Rated) BTU/h 115,000 33.7 Power input 10.12 9.72 (575) Current input 11.2 10.8 Temp.
  • Page 7 1. SPECIFICATIONS Y-Series-575V PUHY-P144ZKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 144,000 (Nominal) 42.2 Power input 11.02 (575) Current input 12.2 (Rated) BTU/h 138,000 40.4 Power input 13.76 13.49 (575) Current input 15.3 15.0 Temp.
  • Page 8 1. SPECIFICATIONS Y-Series-575V PUHY-P168ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 168,000 (Nominal) 49.2 Power input 12.81 (575) Current input 14.2 (Rated) BTU/h 160,000 46.9 Power input 13.84 13.63 (575) Current input 15.4 15.2 Temp.
  • Page 9 1. SPECIFICATIONS Y-Series-575V PUHY-P192ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 192,000 (Nominal) 56.3 Power input 14.56 (575) Current input 16.2 (Rated) BTU/h 184,000 53.9 Power input 17.13 16.12 (575) Current input 19.1 17.9 Temp.
  • Page 10 1. SPECIFICATIONS Y-Series-575V PUHY-P216ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 216,000 (Nominal) 63.3 Power input 16.91 (575) Current input 18.8 (Rated) BTU/h 206,000 60.4 Power input 18.31 18.39 (575) Current input 20.4 20.5 Temp.
  • Page 11 1. SPECIFICATIONS Y-Series-575V PUHY-P240ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 240,000 (Nominal) 70.3 Power input 18.67 (575) Current input 20.8 (Rated) BTU/h 230,000 67.4 Power input 22.26 20.34 (575) Current input 24.8 22.6 Temp.
  • Page 12 1. SPECIFICATIONS Y-Series-575V PUHY-P264ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 264,000 (Nominal) 77.4 Power input 20.50 (575) Current input 22.8 (Rated) BTU/h 252,000 73.9 Power input 23.01 21.46 (575) Current input 25.6 23.9 Temp.
  • Page 13 1. SPECIFICATIONS Y-Series-575V PUHY-P288ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 288,000 (Nominal) 84.4 Power input 22.57 (575) Current input 25.1 (Rated) BTU/h 276,000 80.9 Power input 25.68 23.94 (575) Current input 28.6 26.7 Temp.
  • Page 14 1. SPECIFICATIONS Y-Series-575V PUHY-P312ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 312,000 (Nominal) 91.4 Power input 24.32 (575) Current input 27.1 (Rated) BTU/h 298,000 87.3 Power input 29.32 26.09 (575) Current input 32.7 29.1 Temp.
  • Page 15 1. SPECIFICATIONS Y-Series-575V PUHY-P336ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 336,000 (Nominal) 98.5 Power input 26.78 (575) Current input 29.8 (Rated) BTU/h 320,000 93.8 Power input 31.08 28.26 (575) Current input 34.6 31.5 Temp.
  • Page 16 1. SPECIFICATIONS Y-Series-575V PUHY-P360ZSKMU-B (-BS) Outdoor Model Indoor Model Non-Ducted Ducted Power source 3-phase 3-wire 575V±10% 60Hz Cooling capacity *1 BTU/h 360,000 (Nominal) 105.5 Power input 29.11 (575) Current input 32.4 (Rated) BTU/h 344,000 100.8 Power input 33.32 30.68 (575) Current input 37.1 34.2 Temp.
  • Page 17 2. EXTERNAL DIMENSIONS Y-Series-575V 2. EXTERNAL DIMENSIONS PUHY-P72ZKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 18 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P72ZKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 19 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P96ZKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 20 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P96ZKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 21 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P120, 144ZKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 22 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P120, 144ZKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 23 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P168ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 24 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P192ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 25 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P216ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 26 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P240ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 27 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P264ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 28 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P288ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 29 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P312ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 30 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P336ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 31 2. EXTERNAL DIMENSIONS Y-Series-575V PUHY-P360ZSKMU-B (-BS) Unit: mm (in.) MEES24K110...
  • Page 32 3. CENTER OF GRAVITY Y-Series-575V 3. CENTER OF GRAVITY PUHY-P72ZKMU-B (-BS) 740 [29-3/16] 920 [36-1/4] Unit: mm[in.] Model 316[12-1/2] 290[11-7/16] 682[26-7/8] PUHY-P72ZKMU-B (-BS) 760 [29-15/16] 80 [3-3/16] 681 [26-13/16] PUHY-P96ZKMU-B (-BS) 740 [29-3/16] 1220 [48-1/16] Unit: mm[in.] Model 436[17-3/16] 309[12-3/16] 661[26-1/16] PUHY-P96ZKMU-B (-BS) 80 [3-3/16] 1060 [41-3/4]...
  • Page 33 4. ELECTRICAL WIRING DIAGRAMS Y-Series-575V 4. ELECTRICAL WIRING DIAGRAMS PUHY-P72, 96ZKMU-B (-BS) MEES24K110...
  • Page 34 4. ELECTRICAL WIRING DIAGRAMS Y-Series-575V PUHY-P120, 144ZKMU-B (-BS) MEES24K110...
  • Page 35 5. SOUND LEVELS Y-Series-575V 5. SOUND LEVELS Sound level of PUHY-P72ZKMU Sound level of PUHY-P96ZKMU Standard 60Hz Standard 60Hz 60Hz 60Hz Octave band central frequency (Hz) Octave band central frequency (Hz) dB(A) dB(A) Standard 60Hz 85.5 84.0 79.0 77.0 72.5 68.0 70.0 61.5 79.0...
  • Page 36 5. SOUND LEVELS Y-Series-575V Sound level of PUHY-P216ZSKMU Sound level of PUHY-P240ZSKMU Standard 60Hz Standard 60Hz 60Hz 60Hz Octave band central frequency (Hz) Octave band central frequency (Hz) dB(A) dB(A) Standard 60Hz 92.5 82.5 83.0 83.5 77.5 73.0 71.0 66.5 84.0 Standard 60Hz...
  • Page 37 5. SOUND LEVELS Y-Series-575V Sound level of PUHY-P360ZSKMU Standard 60Hz 60Hz Octave band central frequency (Hz) dB(A) Standard 60Hz 93.5 83.0 83.0 84.5 77.5 73.5 72.0 66.0 84.5 Low noise mode 60Hz 78.0 76.5 68.0 64.0 62.5 59.5 60.5 62.0 69.5 When Low noise mode is set,the A/C system's capacity is limited.
  • Page 38 6. VIBRATION LEVEL Y-Series-575V [PUHY-P72-144ZKMU, PUHY-P168-360ZSKMU] 6. VIBRATION LEVEL Measurement condition Measurement frequency: 1 Hz-80 Hz Measurement point: Ground surface 20 cm away from the unit leg Installation condition: Direct installation on the concrete floor Power source: 3-phase 3-wire 575 V 60 Hz Operation condition: JIS condition (cooling, heating) Measurement device: Vibration level meter for vibration pollution VM-1220C (JIS-compliant product) Service panel side...
  • Page 39 7. OPERATION TEMPERATURE RANGE Y-Series-575V 7. OPERATION TEMPERATURE RANGE • Cooling Range for continuous operation Continuous operation not recommended Outdoor temperature * The operation temperature of outdoor unit is limited into 32~109°FDB (0~43°CDB) when the outdoor unit is installed in a location that is positioned lower than the indoor units. •...
  • Page 40 8. CAPACITY TABLES Y-Series-575V 8-1. Selection of Cooling/Heating Units 8. CAPACITY TABLES How to determine the capacity when less than or equal 100% indoor model size units are connected in total: The purpose of this flow chart is to select the indoor and outdoor units. For other purposes, this flow chart is intended only for reference. Determine the load (L) and the Indoor/Outdoor Temperature Temporarily select the Indoor/Outdoor Units...
  • Page 41 8. CAPACITY TABLES Y-Series-575V How to determine the capacity when greater than 100% indoor model size units are connected in total: Determine the load (L) and the Indoor/Outdoor Temperature Temporarily select the indoor/outdoor units Reselect the indoor units Reselect the indoor units Reselect the outdoor units Reselect the outdoor units Indoor Unit...
  • Page 42 8. CAPACITY TABLES Y-Series-575V <Cooling> Design Condition 37 ºC Outdoor Design Dry Bulb Temperature 18.5 kW Total Cooling Load Room1 27 ºC Indoor Design Dry Bulb Temperature 20 ºC Indoor Design Wet Bulb Temperature 9.0 kW Cooling Load Room2 24 ºC Indoor Design Dry Bulb Temperature 17.8 ºC Indoor Design Wet Bulb Temperature...
  • Page 43 8. CAPACITY TABLES Y-Series-575V <Heating> Design Condition 2 ºC Outdoor Design Wet Bulb Temperature 18.2 kW Total Heating Load Room1 25 ºC Indoor Design Dry Bulb Temperature 9.2 kW Heating Load Room2 25 ºC Indoor Design Dry Bulb Temperature 9.0 kW Heating Load <Other>...
  • Page 44 8. CAPACITY TABLES Y-Series-575V 3. Power input of outdoor unit <Cooling> (1) Nominal power input of outdoor unit 4.55 kW (Nominal) (2) Calculation of the average indoor temperature power input coefficient 1.09 1.03 Average indoor temp. power input coefficient ( ×...
  • Page 45 8. CAPACITY TABLES Y-Series-575V <Heating> (1) Nominal power input of outdoor unit 5.48 kW (Nominal) (2) Calculation of the average indoor temperature power input coefficient 0.80 0.80 Average indoor temp. power input coefficient ( × n: Total number of the indoor units k: Number of the indoor unit : Outdoor unit power input coefficient of k indoor unit room temp.
  • Page 46 8. CAPACITY TABLES Y-Series-575V <Cooling> Design Condition 99 ºF Outdoor Design Dry Bulb Temperature 63,000 BTU/h Total Cooling Load Room1 81 ºF Indoor Design Dry Bulb Temperature 68 ºF Indoor Design Wet Bulb Temperature 31,000 BTU/h Cooling Load Room2 75 ºF Indoor Design Dry Bulb Temperature 64 ºF Indoor Design Wet Bulb Temperature...
  • Page 47 8. CAPACITY TABLES Y-Series-575V <Heating> Design Condition 37 ºF Outdoor Design Wet Bulb Temperature 62,000 BTU/h Total Heating Load Room1 77 ºF Indoor Design Dry Bulb Temperature 31,000 BTU/h Heating Load Room2 77 ºF Indoor Design Dry Bulb Temperature 31,000 BTU/h Heating Load <Other>...
  • Page 48 8. CAPACITY TABLES Y-Series-575V 3. Power input of outdoor unit <Cooling> (1) Nominal power input of outdoor unit 4.55 kW (Nominal) (2) Calculation of the average indoor temperature power input coefficient 1.09 1.03 Average indoor temp. power input coefficient ( ×...
  • Page 49 8. CAPACITY TABLES Y-Series-575V <Heating> (1) Nominal power input of outdoor unit 5.48 kW (Nominal) (2) Calculation of the average indoor temperature power input coefficient 0.80 0.80 Average indoor temp. power input coefficient ( × n: Total number of the indoor units k: Number of the indoor unit : Outdoor unit power input coefficient of k indoor unit room temp.
  • Page 50 8. CAPACITY TABLES Y-Series-575V 8-2. Correction by temperature CITY MULTI could have varied capacity at different designing temperature. Using the nominal cooling/heating capacity value and the ratio below, the capacity can be observed at various temperature. Indoor unit temperature correction PUHY- P72ZKMU P96ZKMU...
  • Page 51 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P72ZKMU P96ZKMU To be used to correct indoor unit capacity only BTU/h 80,000 108,000 Nominal Heating 23.4 31.7 capacity 5.63 7.78 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 52 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P120ZKMU To be used to correct indoor unit capacity only BTU/h 120,000 Nominal cooling 35.2 capacity 8.48 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 53 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P120ZKMU To be used to correct indoor unit capacity only BTU/h 135,000 Nominal Heating 39.6 capacity 10.09 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 54 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P144ZKMU To be used to correct indoor unit capacity only BTU/h 144,000 Nominal cooling 42.2 capacity 11.02 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 55 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P144ZKMU To be used to correct indoor unit capacity only BTU/h 160,000 Nominal Heating 46.9 capacity Input 12.65 [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 56 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P168ZSKMU P192ZSKMU To be used to correct indoor unit capacity only BTU/h 168,000 192,000 Nominal cooling 49.2 56.3 capacity Input 12.81 14.56 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 57 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P168ZSKMU P192ZSKMU To be used to correct indoor unit capacity only BTU/h 188,000 215,000 Nominal Heating 55.1 63.0 capacity 14.54 17.16 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 58 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P216ZSKMU P240ZSKMU To be used to correct indoor unit capacity only BTU/h 216,000 240,000 Nominal cooling 63.3 70.3 capacity 16.91 18.67 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 59 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P216ZSKMU P240ZSKMU To be used to correct indoor unit capacity only BTU/h 243,000 270,000 Nominal Heating 71.2 79.1 capacity 19.69 22.14 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 60 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P264ZSKMU P288ZSKMU To be used to correct indoor unit capacity only BTU/h 264,000 288,000 Nominal cooling 77.4 84.4 capacity 20.50 22.57 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 61 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P264ZSKMU P288ZSKMU To be used to correct indoor unit capacity only BTU/h 295,000 323,000 Nominal Heating 86.5 94.7 capacity 23.80 26.12 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 62 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P312ZSKMU P336ZSKMU To be used to correct indoor unit capacity only BTU/h 312,000 336,000 Nominal cooling 91.4 98.5 capacity 24.32 26.78 Input PUHY- P360ZSKMU 360,000 BTU/h Nominal cooling 105.5 capacity Input 29.11 24 [°CW.B.] 75 [°FW.B.]...
  • Page 63 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P312ZSKMU P336ZSKMU To be used to correct indoor unit capacity only BTU/h 350,000 378,000 Nominal Heating 102.6 110.8 capacity Input 28.41 31.66 PUHY- P360ZSKMU BTU/h 405,000 Nominal Heating 118.7 capacity Input 34.50 [°CD.B.] [°FD.B.]...
  • Page 64 8. CAPACITY TABLES Y-Series-575V Correction by temperature (High Heating Performance Mode) CITY MULTI could have various capacities at different designing temperatures. Using the nominal cooling/heating capacity values and the ratios below, the capacity can be found for various temperatures. To select high heating performance mode, DipSW 6-2 must be set to ON. (In the low ambient temperature, heating capacity and power input become higher than those under standard mode.) Indoor unit temperature correction PUHY-...
  • Page 65 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P72ZKMU P96ZKMU To be used to correct indoor unit capacity only BTU/h 80,000 108,000 Nominal Heating 23.4 31.7 capacity 5.63 7.78 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 66 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P120ZKMU To be used to correct indoor unit capacity only BTU/h 120,000 Nominal cooling 35.2 capacity 8.48 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 67 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P120ZKMU To be used to correct indoor unit capacity only BTU/h 135,000 Nominal Heating 39.6 capacity 10.09 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 68 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P144ZKMU To be used to correct indoor unit capacity only BTU/h 144,000 Nominal cooling 42.2 capacity 11.02 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 69 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P144ZKMU To be used to correct indoor unit capacity only BTU/h 160,000 Nominal Heating 46.9 capacity 12.65 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 70 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P168ZSKMU P192ZSKMU To be used to correct indoor unit capacity only BTU/h 168,000 192,000 Nominal cooling 49.2 56.3 capacity Input 12.81 14.56 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 71 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P168ZSKMU P192ZSKMU To be used to correct indoor unit capacity only BTU/h 188,000 215,000 Nominal Heating 55.1 63.0 capacity 14.54 17.16 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 72 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P216ZSKMU P240ZSKMU To be used to correct indoor unit capacity only BTU/h 216,000 240,000 Nominal cooling 63.3 70.3 capacity 16.91 18.67 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 73 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P216ZSKMU P240ZSKMU To be used to correct indoor unit capacity only BTU/h 243,000 270,000 Nominal Heating 71.2 79.1 capacity 19.69 22.14 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 74 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P264ZSKMU P288ZSKMU To be used to correct indoor unit capacity only BTU/h 264,000 288,000 Nominal cooling 77.4 84.4 capacity 20.50 22.57 Input 24 [°CW.B.] 75 [°FW.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 75 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P264ZSKMU P288ZSKMU To be used to correct indoor unit capacity only BTU/h 295,000 323,000 Nominal Heating 86.5 94.7 capacity 23.80 26.12 Input [°CD.B.] [°FD.B.] Indoor Temperature Outdoor unit temperature correction To be used to correct outdoor unit only Outdoor unit capacity is NOT affected by the indoor temperature.
  • Page 76 8. CAPACITY TABLES Y-Series-575V Indoor unit temperature correction PUHY- P312ZSKMU P336ZSKMU To be used to correct indoor unit capacity only BTU/h 312,000 336,000 Nominal cooling 91.4 98.5 capacity 24.32 26.78 Input PUHY- P360ZSKMU 360,000 BTU/h Nominal cooling 105.5 capacity Input 29.11 24 [°CW.B.] 75 [°FW.B.]...
  • Page 77 8. CAPACITY TABLES Y-Series-575V High Heating Performance Mode Indoor unit temperature correction PUHY- P312ZSKMU P336ZSKMU To be used to correct indoor unit capacity only 350,000 378,000 BTU/h Nominal Heating 102.6 110.8 capacity Input 28.41 31.66 PUHY- P360ZSKMU BTU/h 405,000 Nominal Heating 118.7 capacity...
  • Page 78 8. CAPACITY TABLES Y-Series-575V 8-3. Correction by total indoor CITY MULTI system has different capacities and inputs when many combinations of indoor units with different total capacities are connected. Using following tables, the maximum capacity can be found to ensure the system is installed with enough capacity for a particular application.
  • Page 79 8. CAPACITY TABLES Y-Series-575V PUHY-P120ZKMU-A PUHY- P120ZKMU BTU/h 120,000 Nominal cooling 35.2 capacity 8.48 Input PUHY- P120ZKMU BTU/h 135,000 Nominal Heating 39.6 capacity 10.09 Input Cooling Heating Total capacity of indoor units PUHY-P144ZKMU-A PUHY- P144ZKMU BTU/h 144,000 Nominal cooling 42.2 capacity 11.02 Input...
  • Page 80 8. CAPACITY TABLES Y-Series-575V PUHY-P168ZSKMU-A PUHY- P168ZSKMU BTU/h 168,000 Nominal cooling 49.2 capacity 12.81 Input PUHY- P168ZSKMU BTU/h 188,000 Nominal Heating 55.1 capacity 14.54 Input Cooling Heating Total capacity of indoor units PUHY-P192ZSKMU-A PUHY- P192ZSKMU BTU/h 192,000 Nominal cooling 56.3 capacity 14.56 Input...
  • Page 81 8. CAPACITY TABLES Y-Series-575V PUHY-P216ZSKMU-A PUHY- P216ZSKMU BTU/h 216,000 Nominal cooling 63.3 capacity 16.91 Input PUHY- P216ZSKMU BTU/h 243,000 Nominal Heating 71.2 capacity Input 19.69 Cooling Heating Total capacity of indoor units PUHY-P240ZSKMU-A PUHY- P240ZSKMU BTU/h 240,000 Nominal cooling 70.3 capacity 18.67 Input...
  • Page 82 8. CAPACITY TABLES Y-Series-575V PUHY-P264ZSKMU-A PUHY- P264ZSKMU BTU/h 264,000 Nominal cooling 77.4 capacity 20.50 Input PUHY- P264ZSKMU BTU/h 295,000 Nominal Heating 86.5 capacity Input 23.80 Cooling Heating Total capacity of indoor units PUHY-P288ZSKMU-A PUHY- P288ZSKMU BTU/h 288,000 Nominal cooling 84.4 capacity 22.57 Input...
  • Page 83 8. CAPACITY TABLES Y-Series-575V PUHY-P312ZSKMU-A PUHY- P312ZSKMU BTU/h 312,000 Nominal cooling 91.4 capacity 24.32 Input PUHY- P312ZSKMU 350,000 BTU/h Nominal Heating 102.6 capacity Input 28.41 Cooling Heating Total capacity of indoor units PUHY-P336ZSKMU-A PUHY- P336ZSKMU BTU/h 336,000 Nominal cooling 98.5 capacity 26.78 Input...
  • Page 84 8. CAPACITY TABLES Y-Series-575V PUHY-P360ZSKMU-A PUHY- P360ZSKMU BTU/h 360,000 Nominal cooling 105.5 capacity 29.11 Input PUHY- P360ZSKMU 405,000 BTU/h Nominal Heating 118.7 capacity Input 34.50 Cooling Heating Total capacity of indoor units MEES24K110...
  • Page 85 8. CAPACITY TABLES Y-Series-575V 8-4. Correction by refrigerant piping length CITY MULTI system can extend the piping flexibly within its limitation for the actual situation. However, a decrease of cooling/ heating capacity could happen correspondently. Using following correction factor according to the equivalent length of the piping shown at 8-4-1 and 8-4-2, the capacity can be observed.
  • Page 86 8. CAPACITY TABLES Y-Series-575V PUHY-P264ZSKMU PUHY-P336ZSKMU Total capacity of indoor unit Total capacity of indoor unit 0.95 0.95 0.90 0.90 0.85 0.85 0.80 0.80 0.75 0.75 0.70 0.70 0.65 0.65 600 ft. 600 ft. 183 m 183 m Piping equivalent length Piping equivalent length PUHY-P288ZSKMU PUHY-P360ZSKMU...
  • Page 87 8. CAPACITY TABLES Y-Series-575V 8-4-2. Heating capacity correction PUHY-P72, 96ZKMU PUHY-P264, 288, 312ZSKMU 1.00 1.00 0.95 0.95 0.90 0.90 100 150 200 250 300 350 400 450 500 550 600 100 150 200 250 300 350 400 450 500 550 600 92 107 122 137 153 168 183 m 92 107 122 137 153 168 183 m Piping equivalent length...
  • Page 88 8. CAPACITY TABLES Y-Series-575V 8-4-3. How to obtain the equivalent piping length 1. PUHY-P72ZKMU Equivalent length = (Actual piping length to the farthest indoor unit) + (1.15 × number of bent on the piping) [ft.] Equivalent length = (Actual piping length to the farthest indoor unit) + (0.35 × number of bent on the piping) [m] 2.
  • Page 89 9. OPTIONAL PARTS CITY MULTI units can be easily connected by using Joint sets and Header sets provided by Mitsubishi Electric. Refer to section "Piping Design" or the Installation Manual that comes with the Joint set for how to install the Joint set.
  • Page 90 9-2. HEADER CITY MULTI units can be easily connected by using Joint sets and Header sets provided by Mitsubishi Electric. Refer to section "Piping Design" or the Installation Manual that comes with the Header set for how to install the Header set.
  • Page 91 9. OPTIONAL PARTS Y-Series-575V 9-3. OUTDOOR TWINNING KIT The following optional Outdoor Twinning Kit is needed to use to combine multiple refrigerant pipes. Refer to section "Piping Design" for the details of selecting a proper twinning kit. CMY-Y100CBK3 For Gas pipe: For Liquid pipe: <Reducer(Accessory)>...
  • Page 92 10. ELECTRICAL WORK Y-Series-575V 10-1. General cautions 10. ELECTRICAL WORK Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations, and guidance of each electric power company. Wiring for control (hereinafter referred to as transmission cable ) shall be (50mm[1-5/8in] or more) apart from power source cable...
  • Page 93 10. ELECTRICAL WORK Y-Series-575V 10-2. Power supply for Outdoor unit 10-2-1. Electrical characteristics of Outdoor unit at cooling mode MOP is used to select the fuse, switch, or breaker for current leakage. Symbols: MCA: Minimum Circuit Ampacity PUHY-P-Z(S)KMU MOP: Maximum Overcurrent Protection Outdoor Units Compressor Model name...
  • Page 94 Be sure to use the appropriate type of overcurrent protection switch. Note that generated overcurrent may include some amount of direct current.  The breakers for current leakage should support Inverter circuit. (e.g. Mitsubishi Electric's NV-C-Series or equivalent). If no earth leakage breaker is installed, it may cause an electric shock.
  • Page 95 10. ELECTRICAL WORK Y-Series-575V 10-4. Power supply examples The local standards and/or regulations is applicable at a higher priority. 10-4-1. PUHY-P72, 96, 120, 144ZKMU Note: <In the case a system controller is connected.> 1 The transmission cable is not-polarity double-wire. 2 Symbol means a screw terminal for wiring.
  • Page 96 10. ELECTRICAL WORK Y-Series-575V The local standards and/or regulations is applicable at a higher priority. 10-4-2. PUHY-P168, 192, 216, 240ZSKMU Note: <In the case a system controller is connected.> 1 The transmission cable is not-polarity double-wire. 2 Symbol means a screw terminal for wiring. Central control 3 The shield wire of transmission cable should be connected to the grounding terminal at transmission cable...
  • Page 97 10. ELECTRICAL WORK Y-Series-575V The local standards and/or regulations is applicable at a higher priority. 10-4-3. PUHY-P264, 288, 312, 336, 360ZSKMU <In the case a system controller is connected.> Note: 1 The transmission cable is not-polarity double-wire. Central control 2 Symbol means a screw terminal for wiring.
  • Page 98 11. M-NET CONTROL Y-Series-575V 11-1. Transmission cable length limitation 11. M-NET CONTROL 11-1-1. Using MA Remote controller MA remote controller refers to Simple MA remote controller and wireless remote controller. Long transmission cable causes voltage down, therefore, the length limitation should be obeyed to secure proper transmission. Max.
  • Page 99 11. M-NET CONTROL Y-Series-575V 11-2. Transmission cable specifications Transmission cables (Li) MA Remote controller cables ME Remote controller cables Type of cable Shielded cables (2-core) Shielded cables (2-core) VCTF, VCTFK, CVV, VVR, VVF, VCT CVVS, CPEVS, and MVVS CVVS, CPEVS, and MVVS Cable size Larger than 1.25 mm [AWG16], or...
  • Page 100 11. M-NET CONTROL Y-Series-575V 11-3. System configuration restrictions 11-3-1. Common restrictions for the CITY MULTI system For each Outdoor/Heat source unit, the maximum connectable quantity of Indoor unit is specified at its Specifications table. A) 1 Group of Indoor units can have 1-16 Indoor units; B) Maximum 2 remote controllers for 1 group;...
  • Page 101 11. M-NET CONTROL Y-Series-575V Table 2 The equivalent power supply The equivalent Category Model power supply Transmission Booster PAC-SF46EPA-G 25 *1 Power supply unit PAC-SC51KUA Expansion controller PAC-YG50ECA BM ADAPTER BAC-HD150 AE-C400A/EW-C50A 0.75 AE-200A/AE-50A 0.75 System controller EW-50A LM-AP TB3 and TB7 total TB7 only TB3 only Outdoor unit other than the following...
  • Page 102 11. M-NET CONTROL Y-Series-575V 11-3-3. Ensuring proper power supply to System controller The power to System controller (excluding AE-C400A, EW-C50A) is supplied via M-NET transmission line. M-NET transmission line at TB7 side is called Centralized control transmission line while one at TB3 side is called Indoor-Outdoor/Heat source transmission line. There are 3 ways to supply power to the System controller .
  • Page 103 11. M-NET CONTROL Y-Series-575V 11-3-4. Power supply to expansion controller 1-phase 100-240VAC power supply is needed. The power supply unit PAC-SC51KUA is not necessary. The expansion controller supplies power through TB3, which equals 6 indoor units. (refer to Table 2) 11-3-5.
  • Page 104 11. M-NET CONTROL Y-Series-575V 11-4. Address setting 11-4-1. Switch operation In order to constitute CITY MULTI in a complete system, switch Rotary switch operation for setting the unit address No. and connection No. is Branch Unit address No. setting required. No.
  • Page 105 11. M-NET CONTROL Y-Series-575V 11-4-2. Rule of setting address Unit Address setting Example Note Use the most recent address within the same group of indoor units. Make the indoor units address connected to the BC controller (Sub) larger than the indoor Indoor unit units address connected to the BC controller (Main).
  • Page 106 11. M-NET CONTROL Y-Series-575V 11-4-3. System examples Factory setting Original switch setting of the outdoors, indoors, and controllers at shipment is as follows. Outdoor unit : Address: 00, CN41: ON (Jumper), DipSW5-1: OFF Indoor unit : Address: 00 ME remote controller : Address: 101 Setting at the site DipSW5-1 (Outdoor) : When the System Controller is used, all the Dip SW5-1 at the outdoor units should be...
  • Page 107 11. M-NET CONTROL Y-Series-575V 11-4-3-2. MA remote controller, Single-refrigerant-system, System Controller <Three outdoor units> <Two outdoor units> <One outdoor unit> PUHY PUHY PUHY CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 Group 1 Group 2...
  • Page 108 11. M-NET CONTROL Y-Series-575V 11-4-3-3. MA remote controller, Multi-refrigerant-system, System Controller at TB7/TB3 side, Booster for long M-NET wiring PUHY PUHY PUHY CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 Group 1 Group 2 Group 21...
  • Page 109 11. M-NET CONTROL Y-Series-575V 11-4-3-4. ME remote controller, Single-refrigerant-system, No system controller <Three outdoor units> <Two outdoor units> <One outdoor unit> PUHY PUHY PUHY CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 Group 1...
  • Page 110 11. M-NET CONTROL Y-Series-575V 11-4-3-6. ME remote controller, Multi-refrigerant-system, System Controller at TB7 side, LOSSNAY, Booster for long M-NET wiring PUHY PUHY PUHY CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 DipSW5-1 Group 1 Group 2...
  • Page 111 11. M-NET CONTROL Y-Series-575V 11-4-3-7. AE-C400A and EW-C50A AE-C400A can control max. 400 indoor units/via EW-C50A. <Three outdoor units> <Two outdoor units> <One outdoor unit> AE-C400A/EW-C50A PUHY PUHY PUHY CN21 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 CN40 CN41 AE-C400A/...
  • Page 112 11. M-NET CONTROL Y-Series-575V ® 11-4-3-8. BACnet EW-C50A (AE-C400A) can control up to 50 units/groups (including LOSSNAY). ® ® *To use the BACnet function on EW-C50A (AE-C400A), BACnet license registration is required. EW-C50A (01) <Two outdoor units> <One outdoor unit> CN21 LAN2 CN40...
  • Page 113 12. PIPING DESIGN Y-Series-575V 12-1. R410A Piping material 12. PIPING DESIGN The maximum operation pressure of R410A air conditioner is 4.15 MPa [601 psi]. The refrigerant piping should ensure the safety under the maximum operation pressure. You shall follow the local industrial standard. MEES24K110...
  • Page 114 12. PIPING DESIGN Y-Series-575V Procedures for installing the branched pipes Refer to the instructions that came with the branched pipe kit (separately sold) for details. [1] Branches on the indoor-unit side ■Joint To indoor unit (branched pipe) To outdoor unit or heat source unit Be careful on return oil.
  • Page 115 12. PIPING DESIGN Y-Series-575V 12-2. Piping Design Rule for piping size selection Header 1st Joint Capped Joint IU: Indoor unit , OU: Outdoor unit 1. Selecting joints Select joints from Table 4-1 [Selection criteria for joints] based on the total capacity of indoor units on the downstream side. When selecting the first joint for the system to which the outdoor unit listed in Table 4-2 [See the table below for the first joint of the outdoor unit described below.] is connected, select the first joint from Table 4-2.
  • Page 116 12. PIPING DESIGN Y-Series-575V 12-2-1. PUHY-P72-144ZKMU Piping Note1. No joint after Header; Piping direct to Indoor Unit from Header; Note2. As bents cause pressure loss on transportation of refrigerant, fewer bents design is better; Piping length needs to consider the actual length and equivalent length which bents are counted. Equivalent piping length (m)=Actual piping length+"M"...
  • Page 117 12. PIPING DESIGN Y-Series-575V 12-2-2. PUHY-P168-240ZSKMU Piping Note1. No joint after Header; Piping direct to Indoor Unit from Header; Note2. As bents cause pressure loss on transportation of refrigerant, fewer bents design is better; Piping length needs to consider the actual length and equivalent length which bents are counted. Equivalent piping length (m) = Actual piping length + "M"...
  • Page 118 12. PIPING DESIGN Y-Series-575V 12-2-3. PUHY-P264-360ZSKMU Piping Note1. No joint after Header; Piping direct to Indoor Unit from Header; Note2. As bents cause pressure loss on transportation of refrigerant, fewer bents design is better; Piping length needs to consider the actual length and equivalent length which bents are counted. Equivalent piping length (m) = Actual piping length + "M"...
  • Page 119 12. PIPING DESIGN Y-Series-575V 12-3. Refrigerant charging calculation At the time of shipping, the outdoor unit is charged with the refrigerant. As this charge does not include the amount needed for extended piping, additional charging for each refrigerant line will be required on site. In order that future servicing may be properly provided, always keep a record of the size and length of each refrigerant line and the amount of additional charge by writing it in the space provided on the outdoor unit.
  • Page 120 12. PIPING DESIGN Y-Series-575V Limitation of the amount of refrigerant to be charged The above calculation result of the amount of refrigerant to be charged must become below the value in the table below. Total index of the outdoor units P120 P144 P168...
  • Page 121 13. OUTDOOR INSTALLATION Y-Series-575V 13-1. General requirements for installation 13. OUTDOOR INSTALLATION 1. If possible, locate the unit to reduce the direct thermal radiation to the unit. 2. Consider the amount of noise the unit produces when choosing an installation location. Valves and refrigerant flow on the outdoor/heat source unit may generate noise.
  • Page 122 13. OUTDOOR INSTALLATION Y-Series-575V 13-2. Spacing In case of single installation (1) When all walls are within their height limits*. [mm (in)] * Height limit Front/Right/Left Same height or lower than the overall height of the unit Rear Required minimum distance [mm (in)] (Front) (Rear) (Right/Left)
  • Page 123 13. OUTDOOR INSTALLATION Y-Series-575V In case of collective installation and continuous installation • When installing multiple units, make sure to take into consideration factors such as providing enough space for people to pass through, ample space between blocks of units, and sufficient space for airflow. (The areas marked with [A] in the figures below must be left open.) •...
  • Page 124 13. OUTDOOR INSTALLATION Y-Series-575V 13-3. Piping direction 13-3-1. Lifting method · When lifting the unit with ropes, run the ropes under the unit and use the lifting hole. · Support the unit at four points with two ropes, and avoid giving mechanical shock. ·...
  • Page 125 13. OUTDOOR INSTALLATION Y-Series-575V 13-3-2. Installation · Secure the unit with anchor bolts as shown in the figure below so that the unit will not topple over with strong wind or during an earthquake. · Install the unit on a durable base made of such materials as concrete or angle steel. ·...
  • Page 126 13. OUTDOOR INSTALLATION Y-Series-575V 13-3-4. Installation When the pipes and/or cables are routed at the bottom of the unit, make sure that the through hole at the base of the unit does not get blocked with the installation base. When the pipes are routed at the bottom of the unit, the base should be at least 100 mm [3-15/16 in.] in height. ·...
  • Page 127 13. OUTDOOR INSTALLATION Y-Series-575V 13-3-6. Twinning on the outdoor unit side • The pipe from multiple outdoor units must be installed so that oil will not accumulate in the pipe under certain conditions. Refer to the figures below for details. * Small dots in the figures indicate branching points.
  • Page 128 13. OUTDOOR INSTALLATION Y-Series-575V <PUHY-P264ZSKMU> Outdoor unit 1 Outdoor unit 3 Outdoor unit 2 Twinning pipe 2 Twinning pipe 1 To Indoor unit 200 mm [7-7/8 in.] max. MEES24K110...
  • Page 129 13. OUTDOOR INSTALLATION Y-Series-575V 13-3-7. Twinning on the outdoor unit side See the following drawing for connecting the pipes between the outdoor units. <In case of 2units combination> Field piping Twinning kit Field piping <In case of 3units combination> Field piping Twinning kit Field piping Twinning kit...
  • Page 130 13. OUTDOOR INSTALLATION Y-Series-575V 13-4. Weather countermeasure In cold and/or snowy areas, sufficient countermeasures to wind and snow damages should be taken for operating unit in normal and good condition in winter time. Surround the units with snow nets or fences to protect them from snow. Even in the other areas, full consideration is required for installation of unit in order to prevent abnormal operations caused by wind or snow.
  • Page 131 13. OUTDOOR INSTALLATION Y-Series-575V Note: 1. Height of frame base for snow damage prevention (H) shall be as high as expected snowfall plus 500 mm [19-11/16 in.]. Width of frame base shall not exceed that of the unit. The frame base shall be made of angle steel, etc., and designed so that snow and wind slip through the structure.
  • Page 132 Y-Series-575V MEES24K110...
  • Page 133 CONTENTS Installation information Installation information I.Installation information 1. Installation information ..........................2 1-1. General precautions ........................2 1-2. Precautions for Indoor unit and BC controller .................. 4 1-3. Precautions for outdoor unit/heat source unit .................. 5 1-4. Precautions for control-related items ....................6 MEES20K084...
  • Page 134 1. Installation information Installation information I.Installation information 1. In stallation information * Refer to the enclosed Installation Manual for details on installation. Arrange to have an expert install the system correctly. 1-1. General precautions 1-1-1. Usage The air-conditioning system described in this DATA BOOK is designed for human comfort. This product is not designed to assist in the preservation of food, provide conditions to maintain plants or animals, or stabilize environments for the preservation of precision equipment or art objects.
  • Page 135 Ensure that there is enough space around each unit. 1-1-7. Optional accessories Only use accessories recommended by Mitsubishi Electric. Consult your local distributor or a qualified technician when installing them. Improper installation by an unqualified person may result in water leakage, power leakage, system breakdown, or fire.
  • Page 136 1. Installation information Installation information 1-2. Precautions for Indoor unit and BC controller 1-2-1. Operating environment The refrigerant (R410A) used in the air conditioner is non-toxic and nonflammable. However, if the refrigerant leaks, the oxygen level may drop to harmful levels. If the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant concentration from exceeding the safety limit even if the refrigerant leaks.
  • Page 137 1. Installation information Installation information 1-3. Precautions for outdoor unit/heat source unit 1-3-1. Installation environment The outdoor unit with the salt-resistant specification is recommended for use in an area in which it will be exposed to salt air. Even when the unit with the salt-resistant specification is used, it is not completely protected against corrosion. Be sure to follow the directions or precautions described in the Instruction Book and Installation Manual for installation and maintenance.
  • Page 138 1. Installation information Installation information 1-4. Precautions for control-related items 1-4-1. Product specification To introduce the MELANS system, a consultation with us is required in advance. Especially to introduce the electricity charge-apportioning function or energy save function, further detailed consultation is required. Consult your local distributor for details.
  • Page 139 CAUTION FOR REFRIGERANT LEAKAGE I.CAUTION FOR REFRIGERANT LEAKAGE 1. Caution for refrigerant leakage ........................Ub-1-2 1-1. Refrigerant property ..........................Ub-1-2 1-2. Confirm the Critical concentration and take countermeasure ..............Ub-1-2 Ub-1- 1 MEES16K100...
  • Page 140 Note 1. Countermeasure 3 should be done in a proper way in which the fresh air supply shall be on whenever the leakage happens. Note 2. In principle, MITSUBISHI ELECTRIC requires proper piping design, installation and air-tight testing after installation to avoid leakage happening.
  • Page 141 - Doing so may cause the unit or pipes to burst, or result in explosion or fire during use, repair, or at the time of disposal of the unit. - It may also be in violation of applicable laws. - MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for malfunctions or accidents resulting from the use of the wrong type of refrigerant.

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