Mitsubishi 246 Series Specifications

OC246-1CONTENTS1. FEATURES ····································································································OC246- 22. PART NAME AN

DaAirA (p<POC246-10350340330320310300290280270260250240230220210200190180170160150(psi.G)Condensing pressure30 40 50 60 70 80 90 100 110Outdoor amb

OC246-11Data is based on the condition of indoor humidity 50%.Air flow should be set at HI.A point on the curve shows the reference point.350340330320

OC246-124.Data is based on the condition of indoor humidity 50%.Air flow should be set at HI.A point on the curve shows the reference point.3503403303

OC246-134. STANDARD OPERATION DATA750 750 750 750 760 760840 840CapacitySHFInputINDOOR UNIT MODELPower supply (V, phase, Hz)InputFan currentOUTDOOR UN

OC246-14P90807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAN

OC246-1590807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETHRESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND

OC246-165OUTLINES AND DIMENSIONS2.RPL6PLAir outlet holeVane motorAuto vaneDrain holeGrilleDrain pipeVP-25connection(O.D.{1-1/4)Branch duct hole(Cut ou

OC246-17Unit : inch2.Remote controller FILTERCHECK MODETEST RUNTIMER OFF TIMERCHECK SET TEMP.CLOCK AUTO AUTO START STOPSWINGFANSP

8MAw1 w2 w3 w4 w5 OC246-18WIRING DIAGRAM7MODELS: PL12/18/24/30/36/42AK WIRING DIAGRAMGROUNDPOWER SUPPLY~(1PHASE)AC115V 60HzTB2NL1GROFFONOFFON123412345

OC246-198 OPERATION FLOW-CHARTSTARTPower circuitbreakerCheck SWON twiceOperation SWON"OFF" timer"ON" timerSTOPSet timecompleteSet

OC246-21FEATURES1. SPACE-SAVING CENTRALLY LOCATED CEILING RECESSED INSTALLATION2. 4-WAY AIR FLOW SYSTEMThis series allows you to select from 2, 3, and

OC246-20COOL operationInitialCOOLINGNONONONONOYESYESYESYESYESYESNOYESYESYESYESYESYESYESYESYESYESYESNONONONOYESNONONONONONONONONOw 8w 9Vane initialsett

OC246-21w8—9 Refer to page OC246-20.w12 When room temperature is 64°F or below, the compressor cannot operate.When room temperature rises over 64°F t

OC246-222.2-1(1) 1 3T2 TTTo3 T4 CTcowNOTIADC<Cw1 E9 MICROPROCESSOR CONTROL● Compressor andoutdoor fan : ON-OFF.1. OUTLINE OF MICROPROCESSOR CONTROL

OC246-232. INDOOR UNIT CONTROL2-1 COOL operation(1) Compressor control1 3-minute time delayTo prevent overload, the compressor will not start within 3

(4) (5) (6) OC246-245 Coil frost protectionWhen indoor coil temperature becomes 5°F or below,coil frost protection will proceed as follows.<Start c

OC246-25(4) Detecting abnormalities in the outdoor unitAfter the compressor has been continuously operated for 3 minutes, if the difference between th

(2) (3) (4) OC246-26<DRY operation time chart>Minimum 3 minutes w1ONThermostatIndoor fanAuto vaneDrain pumpCompressorONONDRY MODEDRY MODEONOFFOF

OC246-274The compressor will not start when the room temperature is 64°F or below.The compressor starts intermittent operation when the power is turne

2-4WIR2-5<B● Ac● UaAttDoOC246-28<How to operate>To change the air flow direction, press AIR DISCHARGE button.130°245°355°4570° SWINGCOOL/DRY

OC246-29<Timer function>AUTO STOP ··········The air conditioner stops after the set time lapses.AUTO START ········The air conditioner starts af

OC246-3getlla-San-F.m-ro-edelf-osten,ire7. REDI-CHARGED REFRIGERANT SYSTEMThe industry’s first redi-charge refrigerant system.There is no need to adju

(2) 2-71. O(1) (2) 2. O(1) OC246-30(1) Indoor coil temperature codeDuring the test run, the indoor coil temperature code from 1 to 15 is displayed on

OC246-31(2) SW2 (Address selector)1 2 3 4 5 6ONOFFUsed in setting the unit-address for group control.For further information,refer to page 46.2-7 Dip

PL12AKOC246-32(3) SW3 (Emergency operation switch)1 2Normal operationONOFF1 2For emergency coolingONOFF(4) SW5 (Model selector)1 2 3 4ONOFFSW5-1) Not

OC246-33TROUBLESHOOTING10The display “CENTRALLYCONTROLLED” on remotecontroller does not disap-pear.1) Wrong address setting of remote con-troller/indo

2-2 How to use the self diagnostic function for serviceA. For normal control with one unit and one remote controller(1) Pressing the CHECK button on t

OC246-35CheckcodeDiagnosis of malfunction CauseCheck pointsE0 Signal transmitting/receivingerror(Indoor controller does notrespond to remote controlle

OC246-36Vanes do not work.Vane motor does not work.Connector is poorly connected.Vane motor is poorly assembled.Indoor controller board is damaged.Uni

OC246-374. How to check the parts PL12AK/PL18AK/PL24AK/PL30AK/PL36AK/PL42AKParts name Check pointsDisconnect the connector then measure the resistanc

OC246-3801020304050-4 14 32 50 68 86 104 122< Thermistor for lower temperature >Temperature (-F)Resistance (K")<Thermistor Characteristi

OC246-394-WAY AIR FLOW SYSTEM111. Placement of the air outlets• For this grille, the blowout direction comes in 11 patterns.Also, by setting the dip s

OC246-4●●2PART NAMES AND FUNCTIONSOn the controls are set, the same operation mode can be repeated by simply pressing the ON/OFF button.●● Operation

OC246-40Static pressure [in. W.G. O10-2]Air flow [CFM]2050 100 150 200-20-40-60-8002 intakes1 intake2 intakes1 intakeStatic pressure [in. W.G. O10-2]A

OC246-415. BRANCH DUCT(Installation at site)Discharge by branch duct becomes possible by installing a branch duce at site. Knockout holes on the wall

OC246-426. Air flow & Static pressure characteristics of Branch Duct (with SWA at “Standard”)Staticpressure[in. W.G. O10-2]Air flow [CFM]1284050 1

HiLoStaticpressure[in. W.G. O10-2]Air flow [CFM]1284050 100 150 200HiLoStaticpressure[in. W.G. O10-2]Air flow [CFM]1284050 100 150 200HiLo202428323640

OC246-44Air flow [CFM]304050607080901002010050 100 150 200 250 300 350HiLoStaticpressure[in. W.G. O10-2]Air flow [CFM]304050607080901002010050 100 150

1 Group controlwith a singleremote controller(See page OC246-46.)OC246-45UnitRemote controldisplay boardRemotecontrollerUnit UnitTwo remote controller

OC246-462. GROUP CONTROL WITH A SINGLE REMOTE CONTROLLERA maximum of 50 units can be started in order according to the dip switch settings 2-1 How to

OC246-473. CONTROL USING TWO REMOTE CONTROLLERSTwo remote controllers can be used to control either one unit or a group of units. Units operate accord

OC246-48NOTE1 : Install the relay box where you can be serviced it easily.NOTE2 : For control circuit wiring, use a wire of No. 14 AWG or a control ca

OC246-496. MULTIPLE REMOTE CONTROL DISPLAYYou can control several units with a multiple remote control display, bywiring an optional multiple display

OC246-5●●DisplayleTIMER OFF TIMERCHECK SET TEMP.DRY COOL FAN CLOCK AUTO AUTO START STOPMODE TIMER ON/OFF CLOC

OC246-50DISASSEMBLY PROCEDURE13OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS1. Removing the air intake grille(1) Slide the knob of air intake grille to

OC246-51OPERATING PROCEDUREPHOTOS&ILLUSTRATIONS5. Removing the pipe temperature thermistor(1) Remove the bell mouth.(See photo 1)(2) Remove the el

OC246-52OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS9. Removing the heat exchanger(1) Remove the panel. (See photo 5)(2) Remove the bell mouth. (See p

OC246-5314 PARTS LISTPANEL PARTSPL12AKPL18AK PL24AK PL30AK PL36AK PL42AKNo. Parts No.Parts NameSpecificationQ'ty / setPL12 , 18 , 24 , 30 , 36 ,

OC246-54FUNCTIONAL PARTSPL12AKPL18AK PL24AK PL30AK PL36AK PL42AKNo.Parts No.Parts NameSpecificationQ'ty / setPL 18AK30AK24AK36AKRemarks(Drawing N

OC246-55No. Parts No. Parts NameSpecificationQ'ty / setPL18AK24AK30AK36AKRemarks(Drawing No.)WiringDiagramSymbolRecom-mendedQ'tyUnit AmountP

OC246-56OPTIONAL PARTS15Note 1. The refrigerant pipes and the indoor unit contain a nitrogen holding charge which must be removed by evacuation.<Pi

OC246-57SET/MONITORSETSMTWT F SMONITORPROGRAM TIMERPAC-SC32PTATODAYONWEEKLYSETTINGOFFONSET BACKOFFCLOCK DAILY TIMERSET BACKSET BACKDAILYSETTING12

OC246-5812345BRNREDORNYLWGRN4. MULTIPLE REMOTE CONTROLLER ADAPTERThis adapter is needed for remote indication (operation/check). Adapter connection is

© Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.Distributed in Jun. 2001. No.OC256 REVISED EDITION-B 20Distributed in Mar. 2001. No.OC256

4OC246-63SPECIFICATIONS2.01.210-3/16CapacityMoisture removalPower ConsumptionEERSEERINDOOR UNIT MODELSExternal finishPower supplyMax.fuse size (time d

3400 Lawrenceville Suwanee Road ● Suwanee, Georgia 30024 Toll Free: 800-433-4822 ● Toll Free Fax: 800-889-9904 www.mrslim.com Specifications ar

OC246-7DATA4ModelsIndoor airOutdoor intake air DB temperature(-F)PL18AK71676362.5605971676362.5605971676362.5605971676362.5605971676362.5605971676362.

OC246-8N3SHF=0.81Total power consumption (kW) Total capacity (x103 Btu/h)Outdoor intake air DB temperature ( F)36302418123.02.52.01.5636771636771023

OC246-9NOTES : A point on the curve shows the reference point.PL36AK COOLING CAPACITYPL42AK COOLING CAPACITYSHF=0.72Total power consumption (kW) To