MRV Communications AE092FCAHA Servisní příručka

Home MRV Service Manual 2003.08SYJS-0308

(AU242FHAHA / AU242FHBHA)0.001.002.003.004.005.006.007.008.009.0010.0011.00-15-13-11-9-7-5-3-11357911131517outdoor temp.heating capacity( kW)0.001.00

1. Calculation of additional charging amount of refrigerant After finishing vacuuming work, replace the vacuum pump with refrigerant tank and turn to

8.11 RefrigerantMRV central air conditioner uses refrigerant “R22”. This refrigerant itself is innocuous, non-combustiblesafety refrigerant. But then,

Note:l The air conditioner must use special circuit (over 40A), and wiring by the qualifiedelectrician according to the wiring rules specified in na

Wiring method1. Wiring method of orbicular terminalsFor the connection wire with orbicular terminals, its wiring method is as shown in theright figu

2. Do not connect the power line with different dimensions to the same grounding wire end.Improper contact will affect protection.3. Keep a proper di

Unit number setting switch of outdoor unit and confirming of setting.4-digit number setting dialing switch and corresponding nixie tube confirming di

appear.l When using special remote controller to do unit number setting, it shall be done at a place1m away from the infrared receiver window. The s

No. Model of indoor unitFactory No. of unit Site setting No. System belonged(A/B)123456Check for installation and test runz Please operate the air co

Place where it is easy to route drainage pipeand outdoor piping.Place ,away from heat source and with less

Fixing of the unit1.Position of the wall hole Wall hole should be decided according to installation

2 SPECIFICATIONS AU422FIAHA AU422FIAIABtu/h4100041000Btu/h4800048000*1PH 220-230V 50Hz*1PH 220-230V 50Hz (×2)30~120Hz30~120HzCooling power W5000(7100

Piping connection of the indoor unit1. Arrangement of piping and drainage pipe After opening inlet gri

When connecting indoor and outdoor wire, check the number on indoor and outdoor terminalblocks. Terminals

5.3 Installation Instructions of wall mounted typeInstallation Tools 1) Screw Driver 2) Hacksaw 3) Hole core drill 4) Hexagon wrench (5mm) 5) Spanner

Number of articles NO. Accessory Parts 3 by 1 4 by 1 13 3 4 14 1 1 15 12 16 16 1 1

1 Fitting of the Mounting plate and Positioning of the Wall Hole1 Carry out,based on the neighboring pillars or lintels, a proper leveling for the pl

3 lnstallation of the lndoor Unit Drawing of pipe [Rear piping] Draw pipes and the drain hose, then fasten them and connecting electric cable fo

5.4 Installation of ceiling concealed typeInstallation of indoor unitEach air return and supply duct should fix to the floor precast slab by using an

Indoor unit flexible jointor static pressure box transitive air ductcircular air ductjoint of air diffuser air diffuserFig1: Duct connectedindoor unit

Iron reinforcementKnife embedded partFoundation boltGuide plate embedded part Pipe suspension foundation boltOriginal concrete slabUse hole hinge, hol

Installation of remote controller5. Replace the upper cover of wire controllerNoteTry as far as possible a flat surface for installation.Don't u

Btu/hBtu/hCooling power WRunning current AHeating power WRunning current ANoise level dB(A)External mmPackage mmWeight Net/Gross KgCharge gFanPower

Drain pipe! CautionIn order to drain water normally, the drain pipe shall be processed as specified in the installation manual and sha

Supplementary refrigerantThe refrigerant supplementation shall be as specified in the installation instructions attached with the outdoor unit. The ad

Refrigerant pipingVacuum pumpingWith a vacuum pump, create vacuum from the stop valve of the outdoor unit. l Emptying with refrigerant sealed in the

Electric wiringThe electric wiring work shall be conducted by qualified electricians according to the installationinstructions. A separate power circu

Wire connection for built-in indoor unitInsert from outside the connection wire and signal transmission wire through the wall holewith pipeline alread

5.5 Installation of cassette type (AB092~AB142)

AU242FHAHA AU242FHBHABtu/h 24000 24000Btu/h 28000 270001PH 220-230V 50Hz 1PH 220-230V 50Hz30~120Hz 30~120HzCooling power W 3100(3700max) 3200(3800max)

5.1 Installation tools 1. Cross screwdriver 2 .Metal saw 3 .60,70mm drill 4. Inner hexagon spanner,shifting spanner 5 .Spanner(14, 17, 1

8260260(2) Ceiling heightIndoor unit can be installed on ceiling of 2.5-3m in height. (Refer to Foeld setting and InstallationManual of ornament

50~100RoofAnchor boltLong nutSuspending boltCeiling(2) Cut an opening in ceiling for installation if necessary. (when ceiling already exists.)

5.3.4 Installation457(2) As for the dimensions of ceiling hole, see paper pattern. Ask your real estate dealer for details. Center of the

5.3.6 Installation of drainage pipe1-1.5mUse the self-provided stiff pipe and clip with unit. Insert water pipe into water plug until it reaches

9.1 Model: AU422FIAHA / AU422FIAIA / AU422FIBIA 9 EXPLODED VIEWS & PART LISTS

AU422FIAHA / AU422FIAIANo. Specialized Number Name Quantity1 001A0100122 Front guard assy 22 001A0100493 Service panel assy 13 001A1301640 Front pa

AU422FIBIANo. Specialized Number Name Quantity1 001A0100122 Front guard assy 22 001A0100493 Service panel assy 13 001A1301640 Front panel 14 001A540

Model: AU482FIAIA / AU48NFIAIA

No.Spare partsnumberSpare parts description inEnglish Qty. ModelFailureratethe proportionof the spare-partstock Remark1 001A0100122Front guard assy2AU

Function CoolingHeatingCapacity BTU/h48000 56000W6000 6000W7200W 7000WDehumidifying capacity10‐³×m³/hPower sourceN，V，HzA / AUnit model (color)Fan Typ

No.Spare partsnumberSpare parts description inEnglish Qty. ModelFailureratetheproportion ofthe spare-part stock Remark1 001A0100122Front guard assy2 A

AU422FIAHA / AU422FIAIA / AU422FIBIA Electrical system

AU422FIAHA / AU422FIAIANo. Specialized Number Name Quantity1 001A1301467 Electrical box 12 001A0600379 Outdoor PCB 1 13 001A4000110 Power source te

No.Spare partsnumberSpare parts description inEnglish Qty. ModelFailure ratetheproportion ofthe spare-part stock Remark1 0010150073 Electrical box 1 A

Model: AU242FHAHA / AU242FHBHA

No.Spare partsnumberSpare parts description inEnglish Qty. ModelFailureratethe proportion ofthe spare-partstock Remark1 001A5002108 Screw 2 AU242FHAHA

No.Spare partsnumberSpare parts description inEnglish Qty. Model Failure ratethe proportionof the spare-part stock Remark1 001A5002108 Screw 2 AU242FH

MODEL : AB092FCBHA / AB142FCBHA /AB182FCBHA

AB092FCBHA / AB142FCBHANO. Name of partSpecializedNumberQTY NO. Name of part SpecializedNumberQTY1 Guard assembly 0010800868 128Swing motor assembly 0

AB182FCBHANO. Name of partSpecializedNumberQTY NO. Name of part SpecializedNumberQTY1 Guard assembly 0010800868 128Swing motor assembly 0010850097 12

Function CoolingHeatingCapacity BTU/h48000 56000W6000 6000W7200W 7000WDehumidifying capacity10‐³×m³/hPower sourceN，V，HzA / AUnit model (color)Fan Typ

MODEL : AB092FCAHA AB142FCAHA

No.Spare partsnumberSpare parts descriptionin englishQty. ModelFailurerateproportionof the spare-part stock Remark1 0010800868 Guard assembly 1 AB092F

No.Spare partsnumberSpare parts descriptionin english Qty. ModelFailureratetheproportionof thespare-part Remark1 0010800868 Guard assembly 1 AB142FCAH

No.Spare partsnumberSpare parts description inenglishQty. ModelFailureratetheproportion ofthe spare- Remark1 0010800033 base pan assy 1AB182FCAHA 0.00

Model: AC142FCBHA / AC182FCBHA / AC182FCAHA

AC142FCBHA / AC182FCBHANo. Specialized Number Name Quantity1 001A0100330 Inlet grill 12 001A2400087 Air filter 23 001A1301395 Reinforced rod 14 001A

No.Spare partsnumber Spare parts description in English Qty. Model Price list($) Failure ratethe proportion ofthe spare-partstock Remark1 001A0100330

Model: AD142FCBHA / AD182FCBHA

NO. Specialized number Name of part QTY.1 0010100223 Guard plate 1 12 0010100228 Guard plate 2 13 0010750914 Evaporator assembly 14 0010800106 Right f

AB092FCBHA AB142FCBHABtu/h 9000 14000Btu/h 12000 160001PH 220-230V 50Hz 1PH 220-230V 50HzdB(A) 41/39/35 41/39/35L/h 1.6 2.1R407C R407CExternal mm 570×

Model: AE092FCAHA / AE092FCBHA / AE182FCAHA / AE182FCBHA

AE092FCAHA / AE182FCAHANo. Specialized Number Name Quantity1 --------------- Centrifugal fan 22 --------------- Snail shell 23 --------------- Fan

No. Specialized Number Name Quantity1 --------------- Centrifugal fan 22 --------------- Snail shell 23 --------------- Fan motor 14 001A3400196 W

Model: AE092FCAKA / AE182FCAKA

AE092FCAKA / AE182FCAKANo. Specialized Number Name Quantity1 --------------- Centrifugal fan 22 --------------- Snail shell 23 --------------- Fan

MODEL : AF092FCBHA / AF122FCBHA

NO. Specialized number Name of part QTY1 0010800954 front grill 12 0010201169 air filter 13 0010201288 button 14 001080092

MODEL : AP182FAAHA / AP182FABHA

AP182FAAHANo. Specialized Number Name Quantity1 001A0100247 Vertical blade 12 001A1442109A Prevent burning pad 13 001A0100244 Front grill 14 001A12371

Model: AS092FMAHA AS092FMBHA11151422231687541917181620910252426282721312213

AE072FCAKA AE092FCAKACooling capacityBtu／h7000 9000Heating capacityBtu／h9000 11000Cooling capacity W 1800 2500Heating capacity W 2400 3000Dehumidifyin

AS092FMAHA / AS092FMBHANo. Specialized Number Name Quantity1 001A3400130 Controller assy. 12 001A3300081 PCB(main controller) 13 001A3900051 PCB(rec

Model: AS122FBBHA AS182FTAHA AS182FTBHA534353637383940414243333231 3029 2827 26 252423 22 21191817161514131211432167891020

No.Spare partsnumberSpare partsdescription inEnglishQty. Model Price listFailurerateproportion ofthe spare-part stock Remark1 0010801166 Front grill 1

AS182FTAHA / AS182FTBHANo. Specialized Number Name Quantity1 001A1231127 Front grille 12 001A1232119 Front panel 13 001A0900078 Air purifying filter

Sincere Forever

AB092FCAHA AB142FCAHACooling capacityBtu／h10000 14000Heating capacityBtu／h12000 17000Cooling capacity W3200 4000Heating capacity W4000 5000Dehumidifyi

Btu/hBtu/hdB(A)L/hExternal mmPackage mmNet KgGross KgFanPower output Wm3/hLiquid mmGas mmm2AC182FCAHA AC182FCBHABtu/h 18000 18000Btu/h 21000 210001PH

CONTENT 1. DESCRIPTION OF PRODUCTS & FEATURES 1.1 Nomenclature 1.2 Combination of indoor and outdoor 1.3 Models of indoor and outdoor units 1.4

AD142FCBHA AD182FCBHABtu/h 14000 18000Btu/h 16000 210001PH 220-230V 50Hz 1PH 220-230V 50HzdB(A) 43/41/38 43/41/38L/h 1.2 1.2R407C R407CExternal mm 990

AE092FCAHA AE092FCBHABtu/h 9000 9000Btu/h 11000 100001PH 220-230V 50Hz 1PH 220-230V 50HzdB(A) 36/-/- 36/-/-L/h 1.06 1.06R22 R407CExternal mm 783×225×4

AE112FCBIA AE182FCBIABtu/h 11000 18000Btu/h 13600 21000Btu/h 15400 230001PH 220-230V 50Hz 1PH 220-230V 50HzKpa 16 30L/h 280 660L 0.63

AS092FMAHA AS092FMBHABtu/h 11000 9000Btu/h 14000 100001PH 220-230V 50Hz 1PH 220-230V 50HzdB(A) 39/37/30 39/37/30L/h 1.6 1.6R22 R407CExternal mm 795×18

AS072FMAHAAS122FMAHACooling capacityBtu／h700012000Heating capacityBtu／h900014000Cooling capacity W25004000Heating capacity W30005000Dehumidifying capa

3.1 Controllers3.1.1 Wireless remote controller3 MECHANICAL DATA 1.Default mode of the air conditioner will resume if the battery in the remote contr

Buttons and display of the remote controllerAfter replacing the batteries,press the "ON/OFF",remote controller willdisplay as follows:MODE:c

3.1.2 Wired remote controller (old type)Heating operation indicationFor adjusting the clock andtime for timer operation.Note: This model of air condi

CLOCKUsed to set correct time.TIMERUsed to selectTIMER ON,TIMER OFF,TIMER ON/OFF.TIMEUsed to set clock andtimer setting.Used for unit start andstop.Po

OPERATING LAMPDRYCOOLAUTOFAN SPEEDSLEEPTIMER ONTIMER OFFCLOCKTEMP.FAN OPERATIONHEATClock setWhen unit is started for the first time, clock should be

1 DESCRIPTION OF PRODUCTS & FEATURES l Indoor unit:Model of indoor unitA S 09 2 F M A H A1 2 34 5 6 7 8 9 10 1 Product symbol (A stands for

3.2.1 Model AU422FIAHA / AU422FIAIA / AU422FIBIAElectromagnetic valveCapillaryCompressor Oil separatorPressure switchGas & liquid separator Suc

Filter4-way valveCompressorPressure switchOil separator3-way stop valveDischarging gas temperature sensorCapillaryCapillaryGas &liquid separatorS

***MODEL AU482FIAHA AU48NFIAHA

(1) Outdoor unitA. Outdoor ambient temperature heat sensitive resister: according to the outdoor ambienttemperature to limit the max operation freque

motor together with outdoor ambient temperature heat sensitive resister; when heating, asthe condition to enter and quit from defrosting.D. Pressure

Compressor ACompressor B4-way valve B4-way valve ADownload valve BDownload valve AFan motor BFan motor A Power module A Power module BCurrent mutual i

2) Model: AU422FIAIA / AU422FIBIA

3) model: AU242FHAHA / AU242FHBHA

yellow/greenNOTE:the functions of select switches in the figure refer to the operation manual.DO NOT CONNECT WITH STRONG-ELECTRICITYconnect with indoo

heaterStrong-electric Control Boardcommunication terminal block(forbidden to connect with high-voltage electricity)power terminal blockredredPTCdefros

Equivalent power of outdoor unitModel of outdoor unitTotal amount of indoor units can beconnected withTypes of indoor units can beconnected withCapac

4.1.2 Indoor unit1) Model: AS062FMAHA/AS072FMAHA/AS092FMAHA / AS092FMBHA/AS122FBBHA/AS122FMAHA Connect with indoor unit control boardGrounding wireE

3) Model: AP182FAAHA 2) Model: AS182FTAHA / AS182FTBHA Control board Vapor pipe temperature sensorAmbient temperature sensorLiquid pipe temperatur

4) Model: AB092FCBHA / AB142FCBHA / AB182FCAHA 5) Model: AC142FCBHA / AC182FCBHA / AC182FCAHA BBSIGNAL RECEIVER BOARDROOM TEMP.SENSORGAS PIPING TE

6) Model: AE092FCAHA /AE092FCBHA /AE182FCAHA /AE182FCBHA7) Model: AE112FCBIA / AE182FCBIA (TES) 250VAC,3.15ALIQUID PIPEWIRING REMOTE CONTROLLERWC1

0010570373 9) Model: AD142FCBHA / AD182FCBHA8) Model: AF092FCBHA / AF122FCBHA

indoor 2Valve box power supply and communication wire must be connected with the corresponding indoor,wiring sequence must be correspondent respec

in the diagram,gas pipe temp. sensor、liquid pipe temp. sensor、indoor fan motor、transformer are necessary parts；wired controller、receive display、el

4.2 Circuit Diagram4.2.1 Indoor unit Model: AS092FMAHA / AS092FMBHA

Model: expansion valveMRV circuit diagram of control board for electrical expansion valve

Model: AS182FTAHA / AS182FTBHA

indoor unitscooling heatingAB092FCAHA R22 10000 12000AB142FCAHA R22 14000 17000AB092FCBHAR407C 9000 11000AB142FCBHAR407C 14000 16000AB182FCAHA R22 180

Model: AB182FCAHA /AB182FCBHA / AB092FCBHA / AB142FCBHA

Model: AC182FCAHA / AC182FCBHA / AC142FCBHA

Model: AD142FCBHIA / AD182FCBHIA

Model: AE092FCAHA / AE092FCBHA / AE182FCAHA / AE182FCBHA

MP3 circuit diagram:

Model: AP182FAAHA

Model: AE112FCBIA / AE182FCBIA (TES)

Model: AF092FCBHA / AF122FCBHA

Model: AP182FAAHA / AP182FABHA

4.2.2 Outdoor unitModel: AU422FIAHA /AU422FIAIA / AU422FIBIAControl PCB schematic

AP182FAAHA R22 18000 21000AP182FABHAR407C18000 21000AF092FCBHAR407C9000 13000AF122FCBHAR407C12000 17000AS062FMAHA R22 6000 8000AS072FMAHA R22 7000 900

Power PCB schematic

AU24FAAHA/AU242FHBHAControl PCB schematicPower PCB schematic

4.3 Resistance-Temperature character Value of the heat sensitive resistance of defrosting, suction air, outdoor ambient temperature, evaporator, ga

6.1.1 In order to control all indoor units of H-MRV systems, the indoor units number should be set afterinstallation work. We have two ways to set ind

1. Read function symbol Press “read” button , “1” flashes 1 time 2. Signal emitting symbolwhen “2” flashes ,i

6.1.3 Number setting dialing switch using method(wired remoted control type)The dialing switch is on indoor unit PCB. The indoor unit number setting m

6.2 Flow Chart for Operation (1) Unit number settingStartInitialize electronicexpansion valvePower onInitialize louverpositionRead EEPROMcontents, in

Control function treat moduleOn/offTrouble signalModedeterminatioHeatingoperationCoolingoperationFan motor turn off,electronic expansionvalve close,

Note: 1. When abnormal phenomenon occur, the indoor unit indicator will indicate abnormality accordingto the abnormal parts.2. When temperature of th

Dehumidifying operationSwingSwing flap in the coolingstandard positionSwing actionIf enter coolingoperationAdjust fan speed accordingto temperature s

4. Character of Products1) The length of horizontal refrigerant pipe can reach 70m,the total pipe length can reach100m, the height difference between

(5) Heating operationHeating operationSwingSwing flap in set fan speedpositionSwing actionDefrostingOn side: wind off,expansion valve steady Offside:

6.3 Defrost operation Flow Chart 1. The compressor operates heating over 25 minutes, after meeting the defrosting condition, it ispermitted to enter

3. Outdoor fan motor speed control(Ta: ambient temperature , Tp: outdoor unit pipe temperature) ITEM MODE Ta Tp FAN SPEED1 cooling

7.1 Fault Codes 7 DIAGNOSTIC INFORMATION (TROUBLE SHOOTING) In order to make repair and maintenance convenient, we set “Automatic troubleshooting” f

Indoor unit malfunction display code Indoor unit malfunction Display code Float switch or water motor abnormal E0 Outdoor unit abnormal E1 Settin

10.2 AU48- diagnostic information and trouble shooting The failure code is displayed on the outdoor PCB; please diagnose the trouble according to the

minutes normally 14 Low pressure protection acts（Ps） Cooling: examine Ps below 0.2kgG/cm2 for 30 seconds continuously after compressor starts up; Hea

7.2 Troubleshooting(1) Indoor unit trouble indication: timer indicator flashes (once, twice, 3 times, 7 times)Abnormal reasons: Heat sensitive r

Treatment: use the DC voltage grade of multimeter to test the plastic sealed motor to find ifthere is any feedback signal, determine if the plastic

Refrigerant leaks Discharging air temperature heat sensitive resistor is improper Electronic expansion valve or 2-way valve is clo

10.0010.5011.0011.5012.0012.5013.0013.5014.00182328333843outdoor temp. cooling capacity(kW)0.001.002.003.004.005.006.007.008.009.0010.0011.0012.0013

9.526.3512.79.57512.79.59.5212.715.912.715.99.5215.99.512.775model: FQG-B120<gas side><liquid side>heat preservationmaterialheat preserva

gas pipeheat preservation materialliquid pipeheat preservation materialFQG-B180Refrigerant pipes between manifold pipesTotal refrigerating amount of i

In the file, the figure marked with "√" is permitted, and the figure marked with "×" is prohibited. You can confirm the position a

8.3 Piping length and drop between units (AU48-)1) When connected with 8 units,indoor units refer to <admissible combination examples>2) Total

HaierAS06MP2AE07AE07AS06AS06AS06electronic expansion valveAS06AS06Combination example:(AU48-) 8 by 1: NOTE: 1.When AU48 unit is con

8.3 Piping length and drop between the unitsiHaierH<=30mh<=10 mAU42- AU48-l1l2 l3Expansion valvel4AS09AS09AS09 l 5dddl6AP181) Total length=l1+l2

HaierAU42- AU48-Expansion valveAS09 (or other 9000BTU units)AS09 (or other 9000BTU units)AS09 (or other 9000BTU units)AS09 (or other 9000BTU units)AS

HaierAU42- AU48-AP18(or other 18000BTU,14000BTU units)C. 4 by oneAB09(or other 9000BTU,12000BTU units)AS09(or other 9000BTU,12000BTU units)AC18(or o

E. 3 by oneHaierAS09( or other 9000 BTU units)AS09( or other 9000 BTU units)AS09( or other 9000 BTU units)F. 2 by oneAB09(or other 9000BTU,12000BTU

Note : (1). Fix the parts with screws (2).Don't intake the strong wind directlyto the outlet air-flow hole. (3).A one meter d

1) Calculation methodCalculation method of refrigerating capacity-Refrigerating capacity to be known = Refrigeratingcapacity x (1) x (2) x (3) x (4) x

Note (1) Fix the parts with screws (2)Don't intake the strong wind directly to the outlet air-flow hole. (3)A one me

Model: AB092FCAHA AB142FCAHA 36235751852701224592104240309017011313130703248660270660Model: AB182FCAHA

240AaAcAbModel: Wall mountedModel: AC182FCAHAabcAS062FMAHA 795 182 265AS072FMAHA 795 182 265AS092FMAHA 795 182 265AS122FMAHA 938 182 265AS122FBBHA 93

abC240OVER 250AB182FCAKAAE212FCAKA99099093AE142FCAKAAE122FCAKAAE092FCAKAunit model770770615a54100122858858704704702b452452452452c452552522530225R10R52

5 Model: AP182FAAHA5001746250

8.6 The Order of Installation WorkWork Main pointsBefore installation Work division -to ascertain the person responsible for installation of pipes a

work is not met with the requirements, overturn of the unit will occur resulting inaccidents.l The wiring work shall be done by a qualified person a

l During installation, if refrigerantleakage occurs, take ventilationmeasurement immediately.l As soon as the leaked refrigerantgas meets fire, poiso

(4) Pipe connection of the outdoor unit Referring to the installation diagram in page 4, connect the indoor unit, outdoor unit,branch pipe and elect

After connection of the refrigerant pipes, carry out leakage test. In this test,pressurize to the pipes as shown in the below figure by using nitro