Mitsubishi 20-MYA Specifications

AIR-COOLED ROOFTOP PACKAGED AIR CONDITIONERS SeriesHEAT PUMP : PRHG-8,10,15,20DATA BOOK

At 26˚CDB, 19˚CWB of Indoor,Q = 28.3, SHC = 19.7, W = 9.6Therefore, when Air flow is 110 (CMM)Q = 28.3 ✕ 1.012 28.6 (kW)SHC = 19.7W = 9.6 Note * :

SHCkW13.110.27.718.615.312.59.87.420.216.914.512.19.57.219.516.913.711.69.07.121.818.716.413.511.39.023.320.918.115.413.3SHF0.570.440.320.820.650.520.

SHCkW14.311.28.419.916.613.510.78.122.018.616.013.310.47.921.218.315.112.89.97.823.520.217.814.812.49.925.222.519.716.814.5SHF0.570.430.310.790.630.50

SHCkW17.213.410.223.619.816.212.79.626.022.319.015.812.29.425.321.618.015.211.69.227.523.921.017.414.511.830.126.823.219.917.0SHF0.590.440.320.800.650

SHCkW18.314.410.925.321.217.313.810.527.923.620.417.113.410.326.923.219.316.512.810.129.825.722.618.915.812.831.828.625.121.418.5SHF0.560.430.310.770.

SHCkW26.020.915.536.530.524.419.314.640.433.728.824.418.814.639.233.927.723.518.213.943.937.432.327.022.617.746.742.137.031.125.9SHF0.580.460.330.820.

SHCkW28.522.216.639.633.026.821.216.043.937.031.726.520.615.742.236.330.125.519.615.346.840.335.329.424.519.650.144.939.333.428.8SHF0.580.440.320.800.

SHCkW32.225.418.644.837.130.324.318.250.041.835.729.923.117.848.141.133.728.822.517.553.145.940.633.527.722.056.550.243.537.132.4SHF0.540.410.290.760.

SHCkW34.827.420.748.040.232.826.220.053.144.938.732.425.419.651.144.136.731.324.319.256.648.843.035.930.124.360.554.347.640.635.2SHF0.530.400.290.730.

fan speedIndoor fan inputfan speedIndoor fan inputfan speedIndoor fan input200CMML/SrpmkWrpmkWrpmkW300400Total SP (Pa)PRHG8Indoor fan input8013309671.

Specifications subject to change without notice.CONTENTSPAGE NUMBERSAFETY FOR USEFEATURESTYPICAL INSTALLATION EXAMPLEMODEL-DESIGNATION BREAKDOWNSPECIF

-18-OPERATION RANGECaution:The use of your air conditioneroutside the range of workingtemperature and humidity canresult in serious failure. The ran

-19-FAN PERFORMANCEinternal static pressureAir flow133080 85 90 951500(CMM)(L/S)200100300400500600 Total static pressure (Pa)Fan speed <rpm>

-20-internal static pressure200400 Total static pressure (Pa)6008001000Fan speed <rpm>6007008009001000110012001300Air flow120 (CMM)140 160 1

-21-200Fan speed(Motor side)CMMPulley size(Fan side)Pulley sizeBelt sizeMotor Total SP (Pa)Air flowL/SrpmmminchmminchinchkW300Fan speed(Motor side)Pul

-22-300Fan speed(Motor side)CMMPulley size(Fan side)Pulley sizeBelt sizeMotor Total SP (Pa)Air flowL/SrpmmminchmminchinchkW400Fan speed(Motor side)Pul

-23-(1) Shape of belt groove(2) Shape of motor pulley boss (Unit : mm)ear1r3fwL0r2r2KK0øP.C16.5mmB type11.0mm40˚Sectional plan of V-beltShape of V-bel

-24-NC CURVES10203040506070809063Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000HzOctave-band frequency [Hz]Octave-band level dB(0dB=20 Pa)Condit

-25-Octave-band frequency [Hz]Octave-band level dB(0dB=20 Pa)10203040506070809063Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000HzNote. The measu

-26-APPROXIMATION FOR SOUND POWER LEVEL AT SUPPLY DUCT FLANGE OF UNITModelAirvolume<CMM>O / A 125Hz 250HzExternalstaticpressure<Pa>PRHG-8M

-27-OUTLINE DIMENSIONS102010601501501501501506015036170361701049102060601501501501501501501049101515100100Supply air duct flange(1342)2513422525152526

fire may result. If you need to have the unit Ask your dealer or specialized subcontractor for installation.For installation, conduct the work corre

-28- (side flow) (down flow)2001990 51511231744123133023523520822546203219902546(2032)25152512004285142816912477180050483Control box72 200 200

-29-WIRING DIAGRAMSPRHG-8, 10MYA(STANDARD)WHITEREDL1L1( )GRAY3Power Supply 380~415VAC 3N~PE 50Hz3C03BFig 1.Control box ArrangementSV21S463HMF2MF1MC

-30-PRHG-8, 10MYA(Use for Low ambient cooling parts <option>)WHITEREDL1L1( )GRAY3Power Supply 380~415VAC 3N~PE 50Hz3C03GRAY5GRAY46GRAY1BLUEBR

-31-PRHG-15, 20MYAHigh-pressure switch (defrost)63H2-22-1L1(*1)POWER SUPPLY 380~415VAC 3N~PE 50Hz63H2-1,2-24321C28422C18163H4.In case of power supply

-32-PRHG-15, 20MYA(Use for Low ambient cooling parts <option>)L1L1( )51C151F1MF1MC1REDWHITEBLACKBLACKWHITERED51C2MC2BLACKWHITEREDX1X2C11123C211

-33-ELECTRICAL OPERATION FLOW CHARTSPRHG-8, 10MYASTARTPOWER ONCH ONFZ ON30FZ, 30CZ ON (SELF HOLD)LCD controller cooling ON ?LCD controller COMP 1 ON

-34-PRHG-15, 20MYASTARTPOWER ONCH1, 2 ONFZ ON (SELF HOLD)30FZ, 30CZ1, 30CZ2 ON (SELF HOLD)LCD controller cooling ON ?LCD controller COMP1 ON ?CZ ONT

-35-REFRIGERANT CYCLE SCHEMATICPRHG-8, 10, 15, 20MYANote: 1.PRHG-15,20MYA is comprised of two refrigerant cycles.SolenoidvalveStrainer(ONLY PRHG-8MYA)

-36-SAFETY & CONTROL DEVICESACCESSORY AVAILABILITYCompressor over current relayHigh pressure switchHigh pressure switch (defrost)Indoor fan motor

-37-INSTALLATION1. Space required around units300mm(min. clearance)Condenser inlet700mm(min. clearance) Electrical control circuit and compressor

CautionThe poor mounting of the panel or terminal cover maycause the heat generation of the terminal connection,a fire or electrical shock.Otherwise e

-38-3. Duct construction4. Lifting methodHook (as directly alignedover the center of gravityas possible.6. Refrigerant charge4.7PRHG-8Refrigerantcharg

-39-7. Modification method of fan direction (From side flow to down flow)STEP 1 STEP 3STEP 2 STEP 4Removetop panelRemoveservice panelRemoveduct flange

-40-8. LCD remote controller (PAC-204RC)Switch box for two units Seal the wire lead-in hole completely with puttyConnecting wirePan-head screwswith

-41-Shunt jumperShunt jumperReplace JH (Shunt jumper) fromINT side to EXT side.Detail section AWiring of LCD remote controllerWiring external sensorEx

-42-a.b.c.d.e.Power supplyMain switch/fuse (field supply)Power supply wiring for unitunitLCD remote controller (PAC-204RC)f.Connection wiring for unit

-43-NV is a product of MITSUBISHI ELECTRIC.Table above is an example. The selection of other capacities should be determined in accordance with the re

-44-INSTRUCTIONS FOR USE1. Check points for operationCheck the following points before you operate your air conditioner.(1) Check that there is nothin

-45-2. Caution for use Keep the following points in mind to safeguard against failures and break downs.3. MaintenanceFingermarksGreaseNeutralCleanserA

-46-3.5 When the air conditioner is not to be used for long timeIf the air conditioner is not to be used for a long time due to a seasonal change, etc

-47-4.5 Disposing of the unitWhen you need to dispose of the unit, consult your dealer.If pipes are removed incorrectly, refrigerant (fluorocarbon gas

FEATURESHigh sensible cooling capacityThe sensible cooling capacity has been significantly improved through balanced optimised heat exchanger design.

-48-HOW TO OPERATE (LCD remote controller PAC-204RC)If you use the LCD remote controller, you can operate below method.Please consult operate method w

-49-2B3D F2. Selecting operationOperation mode display3. Room temperature adjustmentSet temperature display and room temperature displayTo change

-50-5510476AJCurrent time displayTimer Hold/Resume display7 115. Other function4. Time setting8591HKey lockPress the [MINUTE] button three times c

-51-6. TroubleshootingBefore you ask for repair service, check the following points:LCD remote controller error display State of MachineCool or warm a

-52-1. OutlineThis fan controller apply to following units. These units can be operated on cooling mode at the low ambient temperature with this optio

-53-4.1. PRHG-8,104.1.1. InstallInsert the thermistorThermistor position1. The service panel and control box cover are removed. 2. Penetrate the kn

-54-4.2. PRHG-15,204.2.1. InstallInsert the thermistorThermistor position1. The service panel and control box cover are removed. 2. Penetrate the k

-55-5. Before starting the trial runPlease execute the following confirmations to prevent wrong connection. If there is wrong connection, it may damag

-56-6. Troubleshooting (PAC-205FC)State of MachineCause Check point1. The fun does not run.Content of confirmation3) The transformer (T01) is defectiv

-57-State of MachineCause Check point Content of confirmation4) The control printing wiring board setting is defective.3) Connected mistake3) Conne

TYPICAL INSTALLATION EXAMPLESeries symbolSelf-contained type(rooftop type)Series symbolglobal typeHeat pump typeSeries symbolY=3-phase 380V,400V,41

-58-State of MachineCause Check point Content of confirmation1) Connected mistake The fan controller connection is confirmed.Troubleshooting6) The con

-59-Thyristor module(SCRM)<Judgment Method> Measure the resistance between each of the SCRM pins and judge if there is a failure or not by the r

DATA BOOK PRHGIssuued in Nov. 2002 MEE01K069-APrinted in Japan.New publication effective Nov. 2002.Specifications subject to change without notice

SPECIFICATIONS Model nameService referencePower supplyPRHG-8MYA PRHG-10MYA PRHG-15MYA PRHG-20MYAPRHG-8MYA-EU PRHG-10MYA-EU PRHG-15MYA-EU

ELECTRICAL DATAVOLTTOTAL INPUTTOTAL RUN CURRENTPOWER FACTORSTART CURRENTCOMPRESSOR INPUT RUN CURRENTO/D FAN INPUT RUN CURRENTI/D FAN External

1. Model Selection (With actual examples)First step, to select the approximate model:Based on the cooling load and the cooling capacity listed in the