Mitsubishi 10 Data Book
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Mitsubishi 10 Data Book

Air-cooled rooftop packaged air conditioners
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AIR-COOLED ROOFTOP PACKAGED AIR CONDITIONERS
Series
COOLING ONLY
HEAT PUMP
: PR-5,8,10,15,20
: PRH-5,8,10,15,20
PRH-5,8,10,15,20-L
DATA BOOK

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  • Page 1 AIR-COOLED ROOFTOP PACKAGED AIR CONDITIONERS Series : PR-5,8,10,15,20 COOLING ONLY : PRH-5,8,10,15,20 HEAT PUMP PRH-5,8,10,15,20-L DATA BOOK...

  • Page 2: Table Of Contents

    A COMPLETE LINE UP -----------------------------------------------4 FEATURES ---------------------------------------------------------------5 DESCRIPTIONS --------------------------------------------------------6 MECHANICAL SPECIFICATIONS----------------------------------6 TYPICAL INSTALLATION EXAMPLE------------------------------7 SPECIFICATIONS ------------------------------------------------------8 ELECTRICAL DATA ----------------------------------------------------9 CAPACITY TABLES---------------------------------------------------10 FAN PERFORMANCE -----------------------------------------------21 NC CURVES------------------------------------------------------------25 OUTLINE DIMENSIONS --------------------------------------------27 WIRING DIAGRAMS -------------------------------------------------29 ELECTRICAL OPERATION FLOW CHARTS ------------------41 REFRIGERANT CYCLE SCHEMATICS-------------------------45 SAFETY &...

  • Page 3: Safety For Use

    Before conducting installation work, please read this ''SAFETY FOR USE'' carefully correct installation. Since the caution items shown here contain important description relative to safety, please observe them without fail. Erroneous handling gives a high possibility to induce serious results such as Warning death or heavy injury.
  • Page 4 You could be injured if you touch rotating, hot or high- voltage parts. Do not operate the air conditioner without the air filter set place. Dust may accumulate, and cause a failure. At emergency (if you smell something burning), stop operation and turn the power source switch off.

  • Page 5: A Complete Line Up

    PR-5YC PRH-5YA PRH-5YA-L Cooling capacity Heatling capacity 14,000 kcal/h 13,000 kcal/h 55,600 BTU/h 51,600 BTU/h 16.3 kW PR-15YC PRH-15YA PRH-15YA-L Heatling capacity Cooling capacity 39,100 kcal/h 39,800 kcal/h 155,100 BTU/h 157,900 BTU/h 46.3 kW PR-20YC PRH-20YA PRH-20YA-L Heatling capacity Cooling capacity 52,600 kcal/h 52,300 kcal/h 208,700 BTU/h...

  • Page 6: Features

    0˚C. The PRH-L series are designed to provide effective heating even when the outside temperature is down to -10˚C.In addition, the twin circuit models, PRH-15,20YA, PRH-15,20YA-L are provided with control features that prevents both refrigeration circuits defrosting at the same time.

  • Page 7: Descriptions

    MITSUBISHI ELECTRIC Rooftop Air Conditioners Series PR,PRH,RPH-L are available in a wide range of sizes and models to enable the designer to select the best model for each application. The complete range has been designed for outdoor installation, and the units are provided with the latest technological features to ensure economical, reliable and comfortable ducted type air conditioning.

  • Page 8: Typical Installation Example

    TYPICAL INSTALLATION EXAMPLE PRH-L - 7-...

  • Page 9: Specifications

    ITEM TOTAL COOLING CAPACITY (GROSS) SENSIBLE COOLING CAPACITY (GROSS) TOTAL HEATING CAPACITY (GROSS) (PRH-YA,PRH-YA-L ONLY) CAPACITY STEPS REFRIGERANT REFRIGERANT CONTROL EXTERNAR FINISH COLOR (MUNSELL NO.) HEIGHT DIMENSION WIDTH DEPTH NET WEIGHT COMPRESSOR MOTOR OUTPUT INDOOR COIL FAN MOTOR FAN MOTOR OUTPUT NOMINAL AIR FLOW EXTERNAL STATIC PRESSURE...

  • Page 10: Electrical Data

    2 X 0.54 2 X 1.3 2 X 1.3 14.4 19.3 20.0 29.6 38.1 7.42 2 X 5.35 2 X 7.60 15.00 2 X 10.8 2 X 14.32 1.64 2.62 3.02 3.58 5.16 6.62 0.54 2 X 0.54 2 X 0.54 1.42 2 X 1.42...

  • Page 11: Capacity Tables

    CAPACITY TABLES - 10 -...
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  • Page 21: Operation Range

    Operation range PR-YC PRH-YA Cooling Indoor temp.(˚CWB) Cooling PRH-YA-L Indoor temp.(˚CWB) Cooling Indoor temp.(˚CWB) - 20- Heating Indoor temp.(˚CDB) Heating Indoor temp.(˚CDB)

  • Page 22: Fan Performance

    FAN PERFORMANCE PR-5YC PRH-5YA PRH-5YA-L Operation range Fan speed (rpm) 1800 1700 1600 1500 1400 1300 1200 1100 1000 Airflow PR-8YC PRH-8YA PRH-8YA-L Operation range Fan speed (rpm) 1800 1700 1600 1.5kW 1500 1400 1.1kW 1300 1200 1100 1000 1000 1170 1330 Airflow...
  • Page 23 BELT SIZE inch MOTOR Std. Airflow 2000 2170 2330 2500 2670 101.6 101.6 114.3 inch 228.6 228.6 241.3 10.0 10.0 inch B37 2 B37 2 B39 2 B41 2 B41 2 inch 139.7 inch 241.3 228.6 228.6 215.9 228.6 inch...
  • Page 24 3670 MOTOR Std. - 23 - Airflow 2830 3000 3170 3330 3500 3670 139.7 139.7 228.6 228.6 241.3 203.2 215.9 10.0 1000 139.7 215.9 203.2 203.2 203.2 203.2 190.5 1000 1040 1040 1040 139.7 139.7 215.9 203.2 177.8 177.8 177.8...
  • Page 25 Over 160 16.07 12.5 5.5 9.5 19.0 12.5 0.2~0.5 0.5~1.0 Under 200 Over 200 16.29 PR-5 10 PRH-5 10 Pulley for blower & motor PR-15,20 PRH-15, 20 Pulley for blower & motor Holes K Dia. A CRS 13.5 38.5 13.5...

  • Page 26: Nc Curves

    PR-5YC PRH-5YA 50Hz PRH-5YA-L CONDITION COOLING & HEATING Note. The measuring point is 1m from the comp. service panel. PR-8YC PRH-8YA 50Hz PRH-8YA-L CONDITION COOLING & HEATING Note. The measuring point is 1m from the comp. service panel. NC CURVES A scale 63 Hz 125 Hz...
  • Page 27 PR-10YC PRH-10YA 50Hz PRH-10YA-L CONDITION COOLING & HEATING over Note. The measuring point is 1m from the comp. service panel. PR-15YC PRH-15YA 50Hz PRH-15YA-L CONDITION COOLING & HEATING Note. The measuring point is 1m from the comp. service panel. A scale 63 Hz 125 Hz 250 Hz...

  • Page 28: Outline Dimensions

    PR-20YC 50Hz PRH-20YA CONDITION PRH-20YA-L COOLING & HEATING over Note. The measuring point is 1m from the comp. service panel. OUTLINE DIMENSIONS PR-5YC PRH-5YA PRH-5YA-L 1030 CONDENSER AIR OUTLET 1000 SUPPLY AIR RETURN AIR 54.5 1080 A scale 63 Hz 125 Hz 250 Hz 500 Hz...
  • Page 29 PR-8,10YC PRH-8, 10YA PRH-8, 10YA-L 1330 CONDENSER AIR OUTLET 1150 1200 1300 SUPPLY AIR RETURN AIR 54.5 1271 1380 PR-15,20YC PRH-15, 20YA PRH-15, 20YA-L 2010 CONDENSER AIR OUTLET 1820 55.5 1879 1990 SUPPLY AIR RETURN AIR RETURN AIR 1951 54.5 2060 (1330) A(DETAIL)

  • Page 30: Wiring Diagrams

    PR-5, 8, 10YC (STANDARD) Power Supply CIRCUIT BREAKER 3Phase (FIELD SUPPLY) 380~415Volt PR- 5YC ···40A PR- 8YC ···50A 50Herts PR-10YC ···60A WHITE WHITE BLACK BLACK BLUE (3.15A) (3.15A) 220~ 240V 8,20YC ONLY Caution, 1.To protect each Fan motors and Compressors from abnormal current, these Over current relays<51C>,<51F1,2>are installed.
  • Page 31 PR-15, 20YC (STANDARD) CIRCUIT BREAKER Power supply (FIELD SUPPLY) 3Phase 380~415Volt PR -15YC···100A 50Hertz PR -20YC···125A 52C1 White White Black Black Blue 52C2 White White Black Black 51F1 F(3.15A) TB4 11 (3.15A) 220~ 240V TB4 12 Caution, 1.To protect each Fan motors and Compressors from abnormal current, these Over current relays <51C1,2>...
  • Page 32 PR-5, 8, 10YC (SPECIAL ORDER : K CONTROL) Power supply CIRCUIT BREAKER 3Phase (FIELD SUPPLY) 380~415Volt PR- 5YC ···40A 50Hertz PR- 8YC ···50A TB 1 PR-10YC ···60A White White Black Black Blue White Blue Black Green/Yellow F(3.15A) TB3 11 8,10YC ONLY TB3 12 Caution, To protect each Fan motors and Compressor from abnormal current,...
  • Page 33 PR-5, 8, 10YC (SPECIAL ORDER : LOW TEMPERATURE) CIRCUIT BREAKER Power supply 3Phase (FIELD SUPPLY) 380~415Volt PR - 5YC ···40A 50Hertz PR - 8YC ···50A PR -10YC ···60A White White Black Black Black Blue 52F1 51F1 White Black Black F(3.15A) TB3 11 (3.15A) 23WA...
  • Page 34 PR-15, 20YC (SPECIAL ORDER : LOW TEMPERATURE) CIRCUIT BREAKER Power supply (FIELD SUPPLY) 3Phase 380~415Volt PR -15YC···100A 50Hertz PR -20YC···125A 52C1 51C1 White White Black Black Black Blue 52C2 White White Black Black 51F3 51F1 White Black F(3.15A) TB4 11 (3.15A) High 220 ~...
  • Page 35 PR-5, 8, 10YC (SPECIAL ORDER : K CONTROL & LOW TEMPERATURE) CIRCUIT BREAKER Power supply 3Phase (FIELD SUPPLY) 380~415Volt PR - 5YC ···40A 50Hertz PR - 8YC ···50A PR -10YC ···60A White White Black Black Blue 51F1 52F1 White Blue Black Green/Yellow F(3.15A)
  • Page 36 PRH-5, 8, 10YA PRH-5, 8, 10YA-L (STANDARD) CIRCUIT BREAKER Power Supply (FIELD SUPPLY) 3Phase PRH- 5YA, ···40A PRH- 5YA-L 380~415Volt PRH- 8YA, ···50A 50Hertz PRH- 8YA-L PRH-10YA, ···60A PRH-10YA-L WHITE WHITE BLACK BLACK BLUE (3.15A) (3.15A) 220~ 240V 8,10YA, YA-L ONLY Caution, 1.To protect each Fan motors and Compressors from abnormal current,...
  • Page 37 PRH-15, 20YA PRH-15, 20YA-L (STANDARD) CIRCUIT BREAKER (FIELD SUPPLY) PRH-15YA Power supply ···100A 3Phase PRH-15YA-L 380~415Volt PRH-20YA ···125A 50Herts PRH-20YA-L 52C1 White White Black Black Blue 52C2 White White Black Black 51F1 F(3.15A) TB4 11 (3.15A) 220~ 240V TB4 12 Caution, 1.To protect each Fan motors and Compressors from abnormal current, these Over current relays<51C1,2>,<51F1,2,3>are installed.
  • Page 38 PRH-5, 8, 10YA PRH-5, 8, 10YA-L (SPECIAL ORDER : K CONTROL) CIRCUIT BREAKER (FIELD SUPPLY) PRH- 5YA, ···40A Power supply PRH- 5YA-L 3Phase PRH- 8YA, 380~415Volt PRH- 8YA-L···50A 50Herts PRH-10YA, PRH-10YA-L···60A TB 1 White White Black Black Blue 51F1 White Blue Black Green/Yellow...
  • Page 39 PRH-5, 8, 10YA PRH-5, 8, 10YA-L (SPECIAL ORDER : LOW TEMPERATURE) CIRCUIT BREAKER (FIELD SUPPLY) PRH- 5YA, Power supply ···40A PRH- 5YA-L 3Phase PRH- 8YA, ···50A 380~415Volt PRH- 8YA-L 50Herts PRH-10YA, ···60A PRH-10YA-L White White Black Black Black Blue 52F1 51F1 White Black...
  • Page 40 PRH-15, 20YA PRH-15, 20YA-L (SPECIAL ORDER : LOW TEMPERATURE) CIRCUIT BREAKER (FIELD SUPPLY) Power supply 3Phase PRH-15YA ···100A 380~415Volt PRH-15YA-L 50Herts PRH-20YA ···125A PRH-20YA -L 52C1 51C1 White White Black Black Black Blue 52C2 White White Black Black 51F3 51F1 White Black F(3.15A)
  • Page 41 PRH-5, 8, 10YA PRH-5, 8, 10YA-L (SPECIAL ORDER : K CONTROL & LOW TEMPERATURE) CIRCUIT BREAKER (FIELD SUPPLY) PRH- 5YA, ···40A Power supply PRH- 5YA-L 3Phase PRH- 8YA, ···50A 380~415Volt PRH- 8YA-L 50Hertz PRH- 10YA ···60A PRH-10YA-L White White Black Black Blue 52F1...

  • Page 42: Electrical Operation Flow Charts

    ELECTRICAL OPERATION FLOW CHARTS PR-5, 8, 10YC START POWER ON CH ON 30CZ ON (SELF HOLD) FZ0,1 ON (SELF HOLD) 52F ON MF1 OPERATE 23WA ON? TM ON PASS THE 3 MIN.? 52C ON MC OPERATE MF2 OPERATE SAFETY DEVICE OFF? 30CZ STOP STOP...
  • Page 43 PRH-5, 8, 10YA PRH-5, 8, 10YA-L 30CZ ON (SELF HOLD) FZ0,1 ON (SELF HOLD) 52F ON MF1 OPERATE PASS THE 3 MIN.? 52C ON MC OPERATE MF2 OPERATE 52C OFF MC STOP SERVICE CALL START POWER ON CH ON GL ON SW3 ON? SW1 COOL? 23WA ON?
  • Page 44 PR-15, 20YC 30CZ1, 30CZ2 ON (SELF HOLD) FZ0, FZ1 ON (SELF HOLD) START POWER ON CH1, 2 ON GL ON SW2 ON? 52F ON MF1 OPERATE 23WA No.1 ON? CZ1 ON TM1 ON PASS THE 3 MIN.? 52C1 ON MC1 OPERATE MF2 OPERATE CH1 OFF 23WA No.2 ON?
  • Page 45 PRH-15, 20YA PRH-15, 20YA-L START POWER ON CH1, 2 ON GL ON 30CZ1, 30CZ2 ON (SELF HOLD) SW3 ON? FZ0, FZ1 ON (SELF HOLD) 52F ON MF1 OPERATE SW1 COOL? 23WA No.1 ON? CZ1 ON TM1 ON PASS THE 3 MIN.? 52C1 ON MC1 OPERATE MF2 OPERATE...

  • Page 46: Refrigerant Cycle Schematics

    REFRIGERANT SCHEMATICS PR-5YC Evaporator Compressor ø12.7 : OPTION PR-8, 10, 15, 20YC Evaporator Compressor ø12.7 : OPTION ø19.05 High Check pressure joint switch Check joint Pressure gauge ø12.7 Check joint ø22.2 Check joint Capillary Tube Notes: This schematics shows one refrigerant cycle.
  • Page 47 PRH-5YA Evaporator Compressor ø12.7 Strainer : OPTION PRH-8, 10, 15, 20YA Evaporator Check joint Compressor ø12.7 Strainer : OPTION ø19.05 High Check pressure joint switch Check joint Pressure gauge ø12.7 Check joint Check joint Capillary Tube Notes: This schematics shows one refrigerant cycle.
  • Page 48 PRH-5YA-L Evaporator Compressor ø12.7 Strainer : OPTION PRH-8, 10,15,20YA-L Evaporator ø15.88 Check joint Compressor ø12.7 Strainer : OPTION ø19.05 High 4-Way Check pressure valve joint switch Check joint Pressure gauge ø12.7 Check joint ø22.2 Check joint Capillary Tube Capillary Tube...

  • Page 49: Safety & Control Devices

    SAFETY & CONTROL DEVICES ITEM COMPRESSOR OVER CURRENT RELAY COMPRESSOR INTERNAL THERMOSTAT HIGH PRESSURE SWITCH FREEZE PROTECTOR FROST PROTECTOR (ONLY PRH-YA,PRH-YA-L) INDOOR FAN MOTOR OVER CURRENT RELAY OUTDOOR FAN MOTOR OVER CURRENT RELAY OUTDOOR FAN MOTOR INTERNAL THERMOSTAT FUSE (CONTROL CIRCUIT) FUSE (OPERATION CIRCUIT) OUTDOOR FAN MOTOR OVER CURRENT RELAY (USE THE OPTIONAL PARTS : LOW AMBIENT PARTS)

  • Page 50: Physical Data

    4-Way valve Reverse cycle defrost 0.69 2 0.65 1,046 2 850 0.12 Aluminium 1.95 2.11 9.52 0.35 PR-20YC PRH-20YA PRH-20YA-L 70.3 60.8 50.2 22.7 0.11 61.2 19.3 50.9 6.06 QR12M1-TFD 2 10 95.2 2 15.22 2 221.8 22.86 2 5.8 1.95...
  • Page 51 [PRODUCT] Product type Product number : Heat pump [INDOOR AIR CIRCUIT] Number of blowers Diameter of blowers Width of blowers Blower drive Fan motor output Normal fan motor run current Air quantity External static pressure Supply air dimensions (h Return air dimensions (h [CONDENSER] Quantity Face area...

  • Page 52: Installation

    All series of air conditioners are designed for outdoor installations and are to be placed on a slab or rooftop, however if the air conditioner is to be installed in a plant room application, please contact your equipment supplier prior to installation.

  • Page 53: Drain Piping

    3.Duct Work (1) All series units are equipped with horizontal supply and return air openings. Duct connection to the unit should be made with duct flanges and secured directly to the air openings with flexible duct connectors to avoid normal noise transmission. (2) For vertical air supply, a field supply plenum should be used.

  • Page 54: Electrical Wiring

    5.Electrical Wiring Remove the panel on the right side (PR,PRH-5 10) or the rear side (PR,PRH-15,20) of the unit and connect the units power supply wiring to the proper terminals in the control box, as shown below. MODEL INDOOR FAN MOTOR OUTPUT...

  • Page 55: Instructions For Use

    Indoor Unit Outlet grille Inlet grille Ceiling Ceiling Obstacle blocking air inlet Obstacle blocking air inlet Outdoor Unit Obstacle blocking air inlet (2) Make sure the air conditioner is properly grounded by checking the ground terminal . Ground - 54 -...

  • Page 56: Caution For Use

    OFF, but turn the operation switch to OFF.) (2) If the air conditioner is shut down by a power failure, set the operation switch to OFF. When the power is restored, normal air conditioner operation can be resumed.

  • Page 57: Troubleshooting

    Failure to do this, could cause compressor failure. 5.PREPARING FOR PROLONGED SHUTDOWN After the usage season is over, prepare the air conditioner for later use by: (1)Setting the power switch to OFF. (2)Consulting your Air conditioning specialist for detailed information.

  • Page 58: Specification Guidelines

    SPECIFICATION GUIDELINES Please supply and install a one piece, air to air reverse cycle air conditioning system. The system shall be completely assembled, tested and have a complete refrigeration charge ready for installation and operation from the factory. The system shall operate at outdoor ambient temperatures as high as 46˚C. The system shall have a total cooling capacity of L/s at ˚C db and...
  • Page 59 MEMO - 58 -...
  • Page 60 DATA BOOK PR,PRH MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE DENKI BLDG., MARUNOUCHI,TOKYO 100,TELEX J24532 CABLE MELCO TOKYO Issuued in January. 1999 MEE98K036 New publication effective Jan. 1999. Specifications subject to change without notice. Printed in Japan.

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