Movincool 24HFU Service Manual User Manual

SERVICE MANUAL24HFU and 24HFU-1DENSO SALES CALIFORNIA, INC.REGISTERED TO ISO 9002FILE NO. A5537DSCA P/N: LA990009-0205-E(800) 264-9573 www.movincool.

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 10REFRIGERANT SYSTEM3-3. Capillary TubeThe capillary tube is a long thin tube and its lineflow resistance serve

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 11REFRIGERANT SYSTEM Refrigerant System PipingCondenserInlet PipeCompressorDischargePipeCondenserOutlet PipeCo

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 12ELECTRICAL SYSTEM • 24HFU Electrical System and Control Box for Model 24HFU24HFU

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 13ELECTRICAL SYSTEM • 24HFU4-1. Basic Operation of MovinCool Modelp 24HFU Electrical CircuitThe three basic mod

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 14ELECTRICAL SYSTEM • 24HFU4-2. Control Box4-2-1. CapacitorThe capacitor is used to boost poweroutput to the fa

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 15ELECTRICAL SYSTEM • 24HFU4-3. Control SwitchThe control switch is employed to start or stopoperation. This s

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 16ELECTRICAL SYSTEM • 24HFU4-7. Drain SwitchThe drain switch interrupts both the compressor motor circuit and t

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 17ELECTRICAL SYSTEM • 24HFU4-9. Wiring Wiring Diagram for Model 24HFU24HFU

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 18ELECTRICAL SYSTEM • 24HFU-1 Electrical System and Control Box for Model 24HFU-124HFU-1

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 19ELECTRICAL SYSTEM • 24HFU-1UNIQUE FEATURES OF MOVINCOOL 24HFU-1The MovinCool 24HFU-1 is a modified version of

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 2FOREWORDThis manual has been published to service the MovinCool 24HFU and 24HFU-1. Both the Model 24HFU and24

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 20ELECTRICAL SYSTEM • 24HFU-14-3. Temperature ControlThe compressor is controlled by a thermostat which senses

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 21ELECTRICAL SYSTEM • 24HFU-14-5. Compressor Motor Relay4-6. Condensate Pump Kit <OPTIONAL>Models 24HFU a

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 22ELECTRICAL SYSTEM • 24HFU-1 Wiring Diagram for Model 24HFU-14-7. Wiring24HFU-1

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 23DATA Exterior Dimensions of Models 24HFU & 24HFU-124HFU

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 24DATA Construction Diagram of Models 24HFU & 24HFU-124HFUUpper PanelFan MotorBlower Housing(Condenser)Con

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 25DATA Cooling Capability Curve2) Power consumption curve Power Consumption Curve5-1. Cooling Capability Char

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 26DATAModels 24HFU & 24HFU-13) Cool air temperature difference curve Cool Air Temperature Difference Curve

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 27REPAIR - TROUBLESHOOTINGTROUBLE SYMPTOM POSSIBLE CAUSE REMEDYUnit does Unit does 1) Defective control switch

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 28REPAIR - INSPECTION OF UNITIn case of trouble, perform the following inspectionbefore disassembly.2-1. Inspec

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 29REPAIR - DISASSEMBLY Disassembly of Models 24HFU & 24HFU-11. Control Switch 11. Cooling air duct2. Upper

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 3GENERAL DESCRIPTIONGenerally speaking conventional air conditioners coolthe entire enclosed environment. They

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 30REPAIR - DISASSEMBLY3-1. Removal of Outer PanelsA) Remove the following parts:1. Air filters2. Cooling air

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 31REPAIR - DISASSEMBLY3-2. Removal of Electrical Parts Wiring Diagram for Model 24HFU24HFU3-2-1. For Model 24H

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 32REPAIR - DISASSEMBLY24HFU-1 Wiring Diagram for Model 24HFU-13-2-1. ContinuedFor Model 24HFU-1 disconnect the

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 33REPAIR - DISASSEMBLY3-2-2. Remove the electrical parts in the control box. Removal of Electrical Parts in th

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 34REPAIR - DISASSEMBLY3-3. Removal of Blower Assembly1. Condenser fan 5. Partition plate2. Blower housing (cond

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 35REPAIR - DISASSEMBLY3-3-1. Remove the set bolt using a boxwrench and then remove thecentrifugal fan. Removal

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 36REPAIR - INSPECTION AND REPAIR OF ELECTRICAL SYSTEM • 24HFU4-2. Inspection of Control SwitchAt each position

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 37REPAIR - INSPECTION AND REPAIR OF ELECTRICAL SYSTEM • 24HFU4-4. Inspection of Full Tank Warning LampMake a te

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 38REPAIR - INSPECTION AND REPAIR OF ELECTRICAL SYSTEM • 24HFU4-10. Inspection of High Pressure SwitchCheck for

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 39REPAIR - INSPECTION AND REPAIR OF ELECTRICAL SYSTEM • 24HFU-1UNIQUE FEATURES OF MODEL 24HFU-14-1. Inspection

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 4CONSTRUCTION AND SPECIFICATIONS Construction of Models 24HFU & 24HFU-1

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 40REPAIR - INSPECTION AND REPAIR OF ELECTRICAL SYSTEM • 24HFU-14-3. Inspection of Room ThermostatCheck for cont

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 41REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM5-1. InspectionIn most cases, the probable cause for insu

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 42REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM Vertical Down Joint Vertical Up Joint(3) USE OF DRY NI

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 43REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM Refrigerant CycleACBEFDPART REPLACED DISCONNECT AT:Com

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 44REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM5-3. Charging the System with R-22 RefrigerantAlways ensu

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 45REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM5-3-2. Evacuation(1) Open the high pressure valve (HI) an

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 46REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM(2) Loosen the nut on the gauge manifoldside of the charg

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 47REPAIR - INSPECTION AND REPAIR OF REFRIGERANT SYSTEM5-4-2. Removal of Gauge Manifold(1) Crimp the pinch-off t

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 48REPAIR - REASSEMBLYReassemble the unit in the reverse order of removal.Described below are the parts that req

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 5CONSTRUCTION AND SPECIFICATIONS2-1. Basic ConstructionThe MovinCool Spot Cooling System is compactin construct

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 6CONSTRUCTION AND SPECIFICATIONS SpecificationsITEM/MODEL 24HFU 24HFU-1[Rating Condition] DB 35˚C WB 28.2˚C DB

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 7REFRIGERANT SYSTEM Refrigerant SystemThe component parts of the refrigerant system include the following:• Co

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 8REFRIGERANT SYSTEM3-1. CompressorThe compressor used for the unit is hermetically sealed. The compressor and

MOVINCOOL 24HFU / 24HFU-1 SERVICE PAGE 9REFRIGERANT SYSTEM4) By the time the gas arrives at thecenter port, discharge pressure hasbeen reached.5) Actu