Mitsubishi SRK40HG Specifiche Pagina 1

- 3 -WALL MOUNTED TYPEROOM AIR-CONDITIONERTECHNICAL MANUALCollection dataManual No. ’07 . SRK-T . 068(Split system, air to air heat pump type)SRK20

- 8 -Length 15m2.5 Selection chartCorrect the cooling and heating capacity in accordance with the conditions as follows. The net cooling and heating c

- 9 -3 ELECTRICAL DATA3.1 Electrical wiringModels SRK20HG-S, 28HG-S, 40HG-SBRBRLBGY/GY/G Y/GY/GTh1 Th2R-AMPWIRELESSDISPLAYWHWHWH3ZNRNCNGCNE250V 3.15

- 10 -4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER4.1 Operation control function by remote control switch Remote controlModels All models◆ Operati

- 11 - Unit indication selectionModels All modelsECONO light (orange)Illuminates during ECONOMY operation.RUN light (green)Illuminates during operati

- 12 -4.4 Custom cord switching procedureIf two wireless remote controls are installed in one room, in order to prevent wrong operationdue to mixed si

- 13 -Timer operation(time)Temperaturesetting (˚C)StartHeating0-1.0-2.0-3.0-6.00 0.5 1.0 2.0StartTimer operation(time)Temperaturesetting (˚C)Cooling+1

- 14 -4.7 Outline of heating operation(1) Operation of major functional components(2) Fan speed switching(a) Auto fan controlThe indoor fan is automat

- 15 -(c) To accomplish rapid recovery from the thermostat off state, after the compressor and outdoor unit’s fan go OFF, the settemperature is raised

- 16 -(c) Operation of functinal components during defrosting operation(8) Forced defrost(a) During trial operation, if defrost operation is performed

- 17 -4.8 Outline of cooling operation(1) Operation of major functional components(2) Fan speed switchingIndoor fan motorFlapsDisplay52COutdoor fan mo

- 1 -CONTENTS1. GENERAL INFORMATION... 11.1 Specific features ...

- 18 -Note (1) Thermostat operation is performed in A, B block. When compressor and indoor fan stop by thermostat operation within 12 minutes from sta

- 19 -27.525.519.518304.11 Outline of clean operationCOOL,DRY,AUTO (COOL,DRY); after operation has stopped, the moisture inside the dryer air conditio

- 20 -4.12 Protective control function(1) Frost prevention for indoor heat exchanger (During cooling or dehumidifying)(a) Operating conditions(i) In

- 21 -(6) Serial signal transmission error protection(a) Purpose: Prevents malfunction resulting from error on the indoor ↔ outdoor signals.(b) Detail

- 22 -5 APPLICATION DATASAFETY PRECAUTIONS¡ Please read these “Safety Precautions” first then accurately execute the installation work.¡ Though the p

- 23 -5.1 Selection of location for installation(1) Indoor unit(a) Where there is no obstructions to the air flow and where the cooledair can be even

- 24 -Adjustment of the installation board in the horizontaldirection is to be conducted with four screws in atemporary tightened state.5.2 Installati

- 25 -(3) Preparation of indoor unit(a) Mounting of connecting wires1) Remove the lid(R).2) Remove the wiring clamp.3) Connect the connecting wire sec

- 26 -[Drain hose changing procedures]1. Remove the drain hose.¡ Remove the drain hose,making it rotate.Since this air conditioner has been designed t

- 27 -5.3 Installation of outdoor unit(1) Installation of outdoor unit(a) Make sure that the unit is stable in installation. Fix the unit to stable b

- 1 -1.2 How to read the model nameExample : SR K 20 H G - S1 GENERAL INFORMATION1.1 Specific featuresThe “MITSUBISHI HEAVY INDUSTRIES, LTD.” room air

- 28 - Service Valve(three-way valve) Charge hose(Designed specifically for R410A)CompoundpressuregaugePressuregaugeGauge Manifold(Designed specifical

- 29 -5.5 Test run(1) Conduct trial run after confirming that there is no gas leaks.(2) When conducting trial run set the remote control thermostat t

- 30 -6 MAINTENANCE DATA6.1 Trouble shooting(1) Trouble shooting to be performed prior to exchanging PCB, (Printed circuit board) [Common to all model

- 31 -RUN light1 time flash2 time flash6 time flashTIMER light1 time flash2 time flash4 time flashOutdoor unit LEDOFFOFFOFFHeat exchanger sensor error

- 32 -Over heat of compressor[Gas shortage, defective dischargepipe sensor]Indoor fan motor error[Defective fan motor,defective PCB]Trouble of outdoor

- 33 -Error of signal transmission[Wiring error including power cable, defective indoor/outdoor unit PCB]Does error persist after powerreset?Is there

- 34 -(5) Inspection procedures of indoor electrical equipmentNOYESYESYESNONOIs fuse (3.15A) blown?Indoor electrical equipmentare normal.Is voltage ap

- 35 -6.2 Servicing(1) EvacuationThe evacuation is an procedure to purge impurities...noncondensable gas, air, moisture from the refrigerant equip

- 36 -7 REFRIGERANT PIPING INSTALLATION/SERVICINGMANUAL FOR AIR CONDITIONERS USING R410A(These materials are extracted from document issued by The Jap

- 37 -(3) Lubricating oils for R410AAs the lubricating oils for R22, mineral oils, alkylbenze synthetic oils, etc. have so far been used. As R410A fea

- 2 -ItemModelSRK20HG-S SRC20HG-SCooling capacity(1)W 2070Heating capacity(1)W 2220Power source 1 Phase, 220/230/240V, 50HzCooling input kW 0.64Runnin

- 38 -(2) JointsFor copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants.a) Flare jointsFlare joints

- 39 -øDAFig.3 Flare processing dimensionsTable 5. Dimensions related to flare processing for R410ANominal Outer diameter ThicknessA (mm)diameter (mm)

- 40 -(2) Flare connecting procedures and precautionsa) Make sure that the flare and union portions do not have any scar or dust, etc.b) Correctly ali

- 41 -(2) Identificationa) Piping setA copper pipe as piping set for R410A must have a thickness as stated in Table 3 (see on page 37), and, as shown

- 42 -(3) Fluxa) Reasons for the use of flux• By removing the oxide film and any foreign matter on the metal surface, it assists the flow of brazing f

- 43 -Fig.5 Prevention of oxidation during brazingFlow meterStop valveReducingvalvePipingRubber plug for sealingFrom the nitrogen cylinderNitrogen gas

- 44 -(1) Tools exclusive for R410Aa) Gauge manifold• As R410A is characterized by high pressure, conventional tools cannot be used.• In order to prev

- 45 -e) Flare tool (clutch type)• A flare tool for R410A is provided with a large clamp bar receiving hole so that the projection of the copper pipe

- 46 -7.3.2 New installation work (when using new refrigerant piping)(1) Air purge by vacuum pump and gas leakage inspection (see Fig. 6)a) Connect th

- 47 -f) After charging liquid refrigerant into the air conditioner by closing the charging valve, stop operation by fully closing thegauge manifold’s

- 3 -Model SRK28HG-S (Indoor unit)SRC28HG-S (Outdoor unit)ItemModelSRK28HG-S SRC28HG-SCooling capacity(1)W 2600Heating capacity(1)W 2800Power source 1

- 48 -7.3.6 Refrigerant recharging at servicingWhen it becomes necessary to recharge refrigerant, charge the specified amount of new refrigerant accor

- 49 -(4) Recovering proceduresa) According to the instructions for handling the refrigerant recovering equipment (described in the attached instructi

- 50 -b) Charge hose (pressure resistant hose for fluorocarbon) and packing• It is 1/4B in thickness and available in various lengths, etc.• Use a hos

- 2 -WALL MOUNTED TYPEROOM AIR-CONDITIONERNo.073(1A) ROAir-Conditioning & Refrigeration Systems Headquarters16-5, 2-chome, Kounan, Minato-ku, Toky

- 4 -Model SRK40HG-S (Indoor unit)SRC40HG-S (Outdoor unit)ItemModelSRK40HG-S SRC40HG-SCooling capacity(1)W 3600Heating capacity(1)W 3920Power source 1

- 5 -2.2 Range of usage & limitationsIndoor return air temperature(Upper, lower limits)Refrigerant line (one way) length Max. 15mAll modelsPower s

- 6 -(2) Outdoor unit Models All models2-16×12Drain holes (ø20)138.440˚61.918.9165.1510104.9439.1111.499.4349.5313.143.1290125035023.5312.514

- 7 -2.4 Piping systemOutdoor unitIndoor unitFlare connectingRoom temp. sensorHeatexchangerFlare connectingElectronicexpansion valvePiping (Liquid)ø6.