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lethatof ailarlue.'11 • SCM-DB-1094 AIR PURGING NOTE : Fully open the operation valves (on both liquid and gas sides) after completing air purging. Since the system uses service ports differing in diameter from those found Please use an anti-reverse flow type vacuum pump adapter so as to preventon the conventional models, a charge hose (for R22) presently in use is notvacuum pump oil from running back into the system. Oil running back intoapplicable. Please use one designed specifically for R410A.an air-conditioning system may cause the refrigerant cycle to break down. Remove the cap on both gas and liquid sides before starting operation.Conduct air purging for all connected indoor units. After completing the operation, do not forget to tighten the cap (gas may leak).Operation ValveCompound pressure gaugeCapPressure gaugeOperation ValveProcedureGauge Manifold(two-way valve)-0.1MPa(Designed specifically for R410A)(-76cmHg)(1) Secure all flare nuts on both indoor and outdoor sides toHandle LoHandle Hi.prevent leaks from the pipes.Operation Valve(2) Connect the operation valves, charge hose, manifoldCharge hose(three-way valve)(Designed specifically for R410A)valve and vacuum pump as shown in the right figure.Vacuum pump adapter(3) Fully open the handle Lo for the manifold valve, andOperation Valve(Anti-reverse flow type)pump a vacuum for 15 minutes. Ensure that the meterCap(Designed specifically for R410A)Operation valveis indicating -0.1MPa (-76cmHg).for room B(4) After vacuuming, fully open the operation valve (bothCheck jointVacuum pumpCharge hoseliquid and gas sides) with a hexagon wrench.Operation valve(Designed specifically for R410A)for room ASecurely tighten the operation valve cap and the check joint blind nut after adjustment.Operation valve size Operation valve cap Check joint blind nut(mm)tightening torque (N·m) tightening torque (N·m)OpenOpen6.35 (1/4")(5) Remove the charge hose from service port.20 30 10 129.52 (3/8")(6) Repeat the above steps (1) ~ (5) for all connected indoor units.(7) Ensure that there are no gas leaks from the joints in the indoor and outdoor units.5 HEAT INSULATION FOR JOINTS6 TEST RUN AND HANDLING INSTRUCTIONSHeat insulation for jointsInstallation test check pointsVinyltapePosition sothe slitCover the joint withCheck the following points again after completion of the installation, and beforecomes on top.insulation materialturning on the power.for the indoor unitand tape it.Conduct a test run again and ensure that the unit operates properly.At the same time, explain to the customer how to use the unit and how to takecare of the unit following the installation manual.If the compressor does not operate after the operation has started, wait for 5-10Finish and fixingminutes. (This may be due to delayed start.)(Three-minutes restart preventive timer)Pipe clampApply exterior tape andWhen the air conditioner is restarted or when changing the operation, the unit willPipesshape along the placenot start operating for approximately 3minutes. This is to protect the unit and it isExterior tapewhere the pipes will benot a malfunction.routed. Secure to the wallCrossover wireswith a pipe clamp. BeAfter installationDrain hosecareful not to damage theThe power supply voltage is correct as the rating.Tapping screwpipes and the wires.No gas leaks from the joints of the operation valve.Power cables and crossover wires are securely fixed to the terminal board.Each indoor and outdoor unit is properly connected (no wrong wiring or piping).Operation valve is fully open. Refrigerant has been additionally charged (when the total pipe length exceeds7BEWARE OF WRONG CONNECTIONS INthe refrigerant charged pipe length).The pipe joints for indoor and outdoor pipes have been insulated.REFRIGERANT PIPING AND WIRINGEarthing work has been conducted properly.Make sure to match the piping and wiring from each unit to theThe screw of the service panel is tightened securely.outdoor unit.Test runBe careful because if connections are wrong, normal operationAir conditioning and heating are normal.cannot be achieved and may damage the compressor.No abnormal noise.[Correct connections] [Example of wrong connections]Water drains smoothly.Protective functions are not working.Operation of the unit has been explained to the customer.PipingThe remote control is normal.WiringIndoor unitIndoor unitOperation of indicator lampsunit Bunit BINDICATION LAMPCOLORFUNCTIONB OutdoorB OutdoorLED E (1)REDWARNING LAMPA unitA unitunit Aunit ASELF DIAGNOSIS FUNCTION BY LED E1 TIME FLASH CURRENT CUT2 TIME FLASH TROUBLE OF OUTDOOR UNIT3 TIME FLASH OVER CURRENT4 TIME FLASH TRANSMISSION ERROR IN OUTDOOR UNIT PCB5 TIME FLASH OVER HEAT OF COMPRESSOR6 TIME FLASH ERROR OF SIGNAL TRANSMISSIONEARTHING WORK7 TIME FLASH LOCK OF COMPRESSOREarth work shall be carried out without fail in order to prevent electric8 TIME FLASH SENSOR ERROR (EXCEPT DISCHARGE PIPE SENSOR)shock and noise generation.LIGHT ONOUTDOOR FAN MOTOR ERRORThe connection of the earth cable to the following substances causesFOUR SEC LIGHTANDDISCHARGE PIPE SENSOR ERRORdangerous failures, therefore it shall never be done. (City water pipe,FOUR SEC OFFTown gas pipe, TV antenna, lightning conductor, telephoneline, etc.)RPC012A915A
'11 • SCM-DB-109(2) Models SCM50ZJ-S1, 60ZJ-S1RPC012A916CMULTI TYPE AIR CONDITIONERR410A REFRIGERANT USEDpage 104 to 139.SAFETY PRECAUTIONS• Keep the installation manual together with owner’s manual at a place where any user can readat any time. Moreover if necessary, ask to hand them to a new user.WARNING and • For installing qualified personnel, take precautions in respect to themselves by using suitable.protective clothing, groves, etc., and then perform the installation works.: Wrong installation would cause serious consequences such as injuries or death. • Please pay attention not to fall down the tools, etc. when installing the unit at the high position.: Wrong installation might cause serious consequences depending on• If unusual noise can be heard during operation, consult the dealer.circumstances.• The meanings of “Marks” used here are shown as follows:Never do it under anyAlways do it according to thecircumstances.instruction.WARNING• Use the prescribed pipes, flare nuts and tools for • This appliance must be connected to main powerR410A.supply by means of a circuit breaker or switchUsing existing parts (for R22 or R407C) can cause the unit (fuse:25A) with a contact separation of at least 3mm.failure and serious accidents due to burst of the refrigerant • Arrange the wiring in the control box so that it cannotcircuit.be pushed up further into the box. Install the service• Tighten the flare nut by torque wrench with specified panel correctly.method.Incorrect installation may result in overheating and fire.If the flare nut were tightened with excess torque, this may • Use the prescribed cables for electrical connection,cause burst and refrigerant leakage after a long period. tighten the cables securely in terminal block and• Do not open the operation valves for liquid line and relieve the cables correctly to prevent overloading thegas line until completed refrigerant piping work, air terminal blocks.tightness test and evacuation.Loose connections or cable mountings can causeIf the compressor is operated in state of opening operation anomalous heat production or fire.valves before completed connection of refrigerant piping • Be sure to fix up the service panels.work, air can be sucked into refrigerant circuit, which can Incorrect fixing can cause electric shocks or fire due tocause bust or personal injury due to anomalously high intrusion of dust or water.pressure in the refrigerant.• Be sure to switch off the power supply in the event of• The electrical installation must be carried out by the installation, inspection or servicing.qualified electrician in accordance with “the norm for If the power supply is not shut off, there is a risk of electricelectrical work” and “national wiring regulation”, and shocks, unit failure or personal injury due to the unexpectedthe system must be connected to the dedicated start of fan.circuit.• Stop the compressor before removing the pipe afterPower supply with insufficient capacity and incorrect shutting the service valve on pump down work.function done by improper work can cause electric shocks If the pipe is removed when the compressor is in operationand fire.with the service valve open, air would be mixed in the• Be sure to shut off the power before starting electrical refrigeration circuit and it could cause explosion and injurieswork.due to abnormal high pressure in the cooling cycle.Failure to shut off the power can cause electric shocks, unit • Only use prescribed optional parts. The installationfailure or incorrect function of equipment.must be carried out by the qualified installer.• Be sure to use the cables conformed to safetyIf you install the system by yourself, it can cause seriousstandard and cable ampacity for power distribution trouble such as water leaks, electric shocks, fire.work.• Be sure to wear protective goggles and gloves whileUnconformable cables can cause electric leak, anomalous at work.heat production or fire.• Earth leakage breaker must be installed.If the earth leakage breaker is not installed, it can causeelectric shocks.• Do not bundling, winding or processing for the power • Do not perform any change of protective device itselfcord. Or, do not deforming the power plug due to or its setup condition.tread it.The forced operation by short-circuiting protective device ofThis may cause fire or heating.pressure switch and temperature controller or the use of• Do not run the unit with removed panels ornon specified component can cause fire or burst.protections.Touching rotating equipments, hot surfaces or high voltageparts can cause personal injury due to entrapment, burn orelectric shocks.CAUTIONInsufficient space can result in accident such as personal • When perform the air conditioner operation (coolinginjury due to falling from the installation place.or drying operation) in which ventilator is installed in• Take care when carrying the unit by hand.the room. In this case, using the air conditioner inIf the unit weights more than 20kg, it must be carried by two parallel with the ventilator, there is the possibility thator more persons. Do not carry by the plastic straps, always drain water may backflow in accordance with theuse the carry handle when carrying the unit by hand. Use room lapse into the negative pressure status.gloves to minimize the risk of cuts by the aluminum fins. Therefore, set up the opening port such as• Dispose of any packing materials correctly.incorporate the air into the room that may appropriateAny remaining packing materials can cause personal injury to ventilation (For example; Open the door a little). Inas it contains nails and wood. And to avoid danger of addition, just as above, so set up the opening port ifsuffocation, be sure to keep the plastic wrapper away from the room lapse into negative pressure status due tochildren and to dispose after tear it up.register of the wind for the high rise apartment etc.• Be sure to insulate the refrigerant pipes so as not tocondense the ambient air moisture on them.Insufficient insulation can cause condensation, which canlead to moisture damage on the ceiling, floor, furniture andany other valuables.• Locations where any machines which generate high • Locations with any obstacles which can prevent inlet andfrequency harmonics are used.outlet air of the unit.• Locations with salty atmospheres such as coastlines. • Locations where short circuit of air can occur (in case of• Locations with heavy snow (If installed, be sure to provide multiple units installation).base flame and snow hood mentioned in the manual). • Locations where strong air blows against the air outlet of• Locations where the unit is exposed to chimney smoke. outdoor unit.• Locations at high altitude (more than 1000m high). • Locations where something located above the unit could• Locations with ammonic atmospheres.fall.• Locations where heat radiation from other heat source can It can cause remarkable decrease in performance, corrosionaffect the unit.and damage of components, malfunction and fire.• Locations without good air circulation.INSTALLATION MANUAL FOR OUTDOOR UNIT• This installation manual deals with outdoor units and general installation specifications only. For indoor units, refer to the respective installation manuals supplied with the units.• When install the unit, be sure to check whether the selection of installation place, power supply specifications, usage limitation (piping length, height differences betweenindoor and outdoor units, power supply voltage and etc.) and installation spaces.• Read the “SAFETY PRECAUTIONS” carefully first of all and strictly follow it during the installationwork in order to protect yourself.• The precautionary items mentioned below are distinguished into two levels,CAUTIONWARNINGCAUTIONBoth mentions the important items to protect your health and safety so strictly follow them byany means.• Be sure to confirm no anomaly on the equipment by commissioning after completed installationand explain the operating methods as well as the maintenance methods of this equipment tothe user according to the owner’s manual.• Installation must be carried out by the qualifiedinstaller.If you install the system by yourself, it may cause serioustrouble such as water leaks, electric shocks, fire andpersonal injury, as a result of a system malfunction. Do notcarry out the installation and maintenance work except theby qualified installer.• Install the system in full accordance with theinstallation manual.Incorrect installation may cause bursts, personal injury,water leaks, electric shocks and fire.• Be sure to use only for household and residence.If this appliance is installed in inferior environment such asmachine shop and etc., it can cause malfunction.• When installing in small rooms, take preventionmeasures not to exceed the density limit of refrigerantin the event of leakage, referred by the formula(accordance with ISO5149).If the density of refrigerant exceeds the limit, please consultthe dealer and install the ventilation system, otherwise lackof oxygen can occur, which can cause serious accident.• Use the original accessories and the specifiedcomponents for installation.If parts other than those prescribed by us are used, It maycause water leaks, electric shocks, fire and personal injury.• Install the unit in a location with good support.Unsuitable installation locations can cause the unit to falland cause material damage and personal injury.• Ensure the unit is stable when installed, so that it canwithstand earthquakes and strong winds.Unsuitable installation locations can cause the unit to falland cause material damage and personal injury.• Ventilate the working area well in the event ofrefrigerant leakage during installation.If the refrigerant comes into contact with naked flames,poisonous gas is produced.• Ensure that no air enters in the refrigerant circuitwhen the unit is installed and removed.If air enters in the refrigerant circuit, the pressure in therefrigerant circuit becomes too high, which can cause burstand personal injury.• Do not processing, splice the power cord, or share asocket with other power plugs.This may cause fire or electric shock due to defectingcontact, defecting insulation and over-current etc.• Carry out the electrical work for ground lead with care.Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line’s ground lead. Incorrect grounding can cause unit faults such as electric shocks due toshort-circuiting.• Use the circuit breaker of correct capacity. Circuitbreaker should be the one that disconnect all polesunder over current.Using the incorrect one could cause the system failure andfire.• Install isolator or disconnect switch on the powersupply wiring in accordance with the local codes andregulations.The isolator should be locked in OFF state in accordancewith EN60204-1.• After maintenance, all wiring, wiring ties and the like,should be returned to their original state and wiringroute, and the necessary clearance from all metalparts should be secured.• Secure a space for installation, inspection andmaintenance specified in the manual.• Do not install the unit in the locations listed below.• Locations where carbon fiber, metal powder or anypowder is floating.• Locations where any substances that can affect the unitsuch as sulphide gas, chloride gas, acid and alkaline canoccur.• Vehicles and ships.• Locations where cosmetic or special sprays are oftenused.• Locations with direct exposure of oil mist and steam suchas kitchen and machine plant.Chec• Model• Refrige• Piping,• IndoorAcce1 Grom2 DrainVaria39.5Note: Provdiam1•••CAUSInstInst
Page 1 and 2: Manual No.'11•SCM-DB-109updated S
Page 3: 2.4 Noise levels ..................
Page 7 and 8: '11 • SCM-DB-109ModelItemSCM50ZJ-
Page 9 and 10: '11 • SCM-DB-109ModelItemSCM71ZJ-
Page 13 and 14: SymbolContentA Service valve connec
Page 15: SymbolContentA Service valve connec
Page 19 and 20: tttt- 18 -RWC000Z252FUSE250V 15ATB1
Page 21 and 22: t°t°t°t°t°POWER SOURCE~ 220/23
Page 23 and 24: 1.4. Noise levels'11 • SCM-DB-109
Page 25 and 26: ModelNoiseLevelModelNoiseLevelSound
Page 27 and 28: '11 • SCM-DB-1091.5. Installation
Page 32: 6CNEREDunits.readblesition.rm.nnoti
Page 35 and 36: '11 • SCM-DB-109(3) Models SCM71Z
Page 37 and 38: φφφφ'11 • SCM-DB-109
Page 39 and 40: '11 • SCM-DB-109(4) Models SCM100
Page 43 and 44: 2. INDOOR UNITS2.1 Specifications(1
Page 45 and 46: ItemModelCooling capacity (1) W 350
Page 55 and 56: Item(2) Floor standing type (SRF)Mo
Page 59: ItemModelCooling capacity (1) W 350
Page 62 and 63: ItemPower source(4) Ceiling cassett
Page 64 and 65: ItemPower sourceModel'11 • SCM-DB
Page 66 and 67: ItemPower sourceModel'11 • SCM-DB
Page 68 and 69: 61.546.5Service space881.926 59.959
Page 70 and 71: 4514.560790798603145294SymbolConten
Page 72 and 73: 554191090109864443.555248SymbolABCD
Page 74 and 75: SymbolABCDEFGContentGas piping12.71
Page 76 and 77: 530 Suspension bolts pitchG326350AB
Page 78 and 79: '11 • SCM-DB-109(6) Duct connecte
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'11 • SCM-DB-109(b) Wired remote
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DISPLAY12WIRELESS RECEIVERBACK-UP S
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DISPLAYWIRELESS RECEIVERBACK-UP SWT
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DISPLAYWIRELESS RECEIVER 10BACK-UP
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PJA003Z340 BCNBZDMF200203FM IFSLED2
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Connecting line betweenindoor unit
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ModelNoiseLevelModelNoiseLevelSound
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'11 • SCM-DB-109ModelSRK35ZJR-SNo
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'11 • SCM-DB-109ModelSRK50ZJ-SNoi
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'11 • SCM-DB-109ModelSRK50ZJX-S1N
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'11 • SCM-DB-109ModelSRR60ZJ-SNoi
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ModelNoiseLevelModelNoiseLevelSound
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2.5 Characteristics of fan'11 • S
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BEFORE INSTALLATION Before installa
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(b) Models SRK25ZJR-S, 35ZJR-SWALL
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RLA012A012BFixing of indoor unitLat
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(c) Model SRK71ZK-SRKW012A400AWALL
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RKW012A400AFixing of indoor unitLat
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(2) Floor standing type (SRF)Models
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Fixing of indoor unitFloor installa
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(3) Ceiling concealod type (SRR)Mod
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Plan45551530Hanging b30 230150236Dr
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(4) Ceiling cassette-4way compact t
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4 Installation of indoor unit (cont
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PJA012D783- 128 - '11 • SCM-DB-10
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(5) Ceiling suspended type (FDEN)Th
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Installation of indoor unitWork pro
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'11 • SCM-DB-109(6) Duct connecte
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5Duct Work1A corrugated board (for
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8Wiring-out position and wiring con
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Gas lineIndoor unitOutdoor unitServ
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Outdoor UnitCooling cycleHeating cy
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- 144 -Gas lineLiquid line*1 Servic
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'11 • SCM-DB-109Models SCM71, 80,
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Indoor unitcombination1room2roomInd
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Indoor unitcombination1room2room3ro
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(5) Model SCM71ZJ-S1(a) Indoor unit
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Indoor unitcombination3room4roomRoo
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Indoor unitcombination4roomIndoor u
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(6) Model SCM80ZJ-S1(a) Indoor unit
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(7) Model SCM100ZJ-S1(a) Indoor uni
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Indoor unitcombination5roomRoom coo
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Indoor unitcombination4roomRoom hea
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Indoor unitcombination5room6roomCoo
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'11 • SCM-DB-1096. SELECTION CHAR
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te controllerly unexpected stress o
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The functional settingThe initial f
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y defined as following table.it.flo
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ote controllerto apply unexpected s
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'11 • SCM-DB-109The functional se
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s automatically defined as followin
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Remote controllerInstallation of th
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3 '11 • SCM-DB-109
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3 4 '11 • SCM-DB-109 - 222 -
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'11 • SCM-DB-1094 Remotecontrolle
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Remote control installation dimensi
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- 228 - How to set functions by but
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failure.2 cores× 2 cores× 2 cores
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'11 • SCM-DB-109Installation of t
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'11 • SCM-DB-109Connection of wir
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7.5 Superlink E board (SC-ADNA-E) P
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7.6 Ducted type (SRRM) optional par
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Air flow and external static pressu
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4) Use hard PVC general purpose pip
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- 239 - PJZ012D076'11 • SCM-DB-10
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