Movincool OFFICE PRO 12 Service Manual

SERVICE MANUALOFFICE PRO 12SERIAL NUMBER FROM JANUARY 2008 (0108) TO PRESENTDocID: 00G00018E

Operation Section103.3 Internal Structure3.4 Basic Construction• The MovinCool Office Pro 12 is compact in construction because the condenser and thee

Operation Section113.5 Air Flow• Air drawn from the right side face passes through the condenser which extracts the heat. Thishot air is blown out thr

Operation Section124. SPECIFICATIONS4.1 Technical SpecificationsITEM SPECIFICATIONSElectronic Features Control Panel ElectronicThermostat Control Elec

Operation Section13• Specifications are subject to change without notice.< NOTE >*1 :Rating Condition: 95 °F (35 °C), 60 %RH*2 :Measured at 3.28

Operation Section144.2 CharacteristicsI002325131210119881214106<Cooling Capacity Curve> <Cool Air Temperature Difference Curve>25.2(14)23.

Operation Section155. REFRIGERANT SYSTEM5.1 Refrigerant System ConstructionThe component parts of the refrigerant system include the following:• Compr

Operation Section165.2 Compressor• The compressor used for the unit is hermetically sealed. The compressor and the compressormotor are in one casing.(

Operation Section17(2) Basic compressor operation•The roller (compression mechanism) is set eccentrically with a certain distance given fromthe axis o

Operation Section18(3) Operation1) Start of compression1) The cylinder is filled with low pressure gas.2) Since pressure in the discharge chamber ishi

Operation Section19(4) Compressor lubrication•The lubrication system is comprised of a hollow shaft, an oil scraper mounted at the end face,hollow sha

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Operation Section205.5 Evaporator• The evaporator is a heat exchanger covered with spine fins. Heat is removed from the air beingpulled across the eva

Operation Section216. ELECTRICAL SYSTEM6.1 Circuit Diagram and Control BoxI002238Relay Board FuseRelay BoardTerminal BlockFan CapacitorDip SwitchCompr

Operation Section226.2 Basic Operation of The Office Pro 12 Electrical Circuit• There are two basic components used to control the operation of the Of

Operation Section236.3 Control Box(1) Capacitors• The capacitors are used to temporarily boost the power output available to the fan motor andthe comp

Operation Section24(2) Relay board• The relay board receives signals and outputsfrom the control board that contains amicroprocessor. The relay board

Operation Section256.4 Fan Motor• The fan motor is a single phase, induction typetwo-speed motor.The motor rotates the fan on both theevaporator side

Operation Section266.6 Compressor Overload Relay• An external compressor overload relay is usedto protect the compressor motor. This relay ismounted w

Operation Section276.8 Drain Switch• The Office Pro 12 is equipped with a drain tank switch. When the drain tank accumulatesapproximately 4.0 gal (15

Operation Section28(1) How to re-start the unit• If the LCD indicates “PROGRAM ON”, press the COOL ON/OFF button to continue running theprogram. If th

Operation Section296.13 Fan Mode Control Switch• The fan motor operation is controlled by relays on the relay board through a microprocessor inthe con

Table of ContentsTable of ContentsOperation Section1. PRECAUTIONS FOR SAFETY1.1 Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation Section306.15 Warning Signal Connection (Output Signal Terminal L+ and L-)• The controller is equipped with a warning signal output relay ty

Repair Section317. TROUBLESHOOTING7.1 Troubleshooting• Before troubleshooting the system, the following inspection should be performed.(1) Inspection

Repair Section327.2 Self-Diagnostic Codes• Self-diagnostic codes are displayed on the control board under the following conditions andclear method is

Repair Section33Show LCD and LED all on modePress HI/LO and U buttons simultaneously for 3 sec. (To check LCD segments and LED display.)After 5 sec.,

Repair Section347.3 Troubleshooting Chart• To accurately troubleshoot the problem, it is important to carefully confirm the nature of theproblem. Typi

Repair Section35SymptomPossible CauseRemedyChecking Area CauseAir volume normalCompressor operates.1. Usage conditions (high temperature).Operation ne

Repair Section36(2) Unit does not start (operate)< NOTE >• In this case, there is a possibility of safety device activating due to the clogged a

Repair Section37Control panel display turns onControl Panel display shows error codes.1. Display code “FL”. Drain tank (optional) is filled with the d

Repair Section38(3) Overflow of drain waterSymptomPossible CauseRemedyChecking Area CauseStops immediately after startingControl panel display normall

Repair Section39(4) Abnormal noise or vibration• To prevent abnormal noise or vibration, carefully determine the source of the problem and comeup with

Table of Contents6.5 Compressor Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Section40(3) Examination of operating environment• Operating environments can vary depending on location, climate and surrounding conditions.In

Repair Section418. DISASSEMBLY8.1 Parts ConstructionI002333Upper Front PanelAir Outlet GrillFront Panel Filter AssyLeft HandleRoom ThermistorDrain Pan

Repair Section428.2 Disassembly1) Remove drain tank.2) Remove four (4) screws from upper front panel.3) Slide upper front panel forward and remove.4)

Repair Section435) Remove seven (7) screws from service panel.6) Remove thirteen (13) screws from rear panel.7) Remove eight (8) screws from rear pane

Repair Section449) Remove seven (7) screws from right panel.8.3 Removal of Electrical Parts(1) Control box1) Remove seven (7) screws from service pane

Repair Section45(2) Relay board1) Remove seven (7) screws from service panel. (See page 43.)2) Disconnect seven (7) connectors, and remove five (5) sc

Repair Section463) Disconnect the following connectors from thecontrol board:(A) J201 (10-pin) Wire Harness, Relay Board toControl(B) J101 (2-pin) Roo

Repair Section47(4) Battery replacement of control board• When the power is unplugged from the unit, and control board is automatically resetting cloc

Repair Section488.4 Removal of Blower AssemblyI002248Control Panel StayControl Panel StayAir DeflectorEvaporator Fan CasingCenter PanelCondenser Fan C

Repair Section49(1) Removal of condenser fan1) Loosen the set screw using a hex key. Thenremove condenser fan.(2) Removal of evaporator fan and fan mo

Table of ContentsRepair Section7. TROUBLESHOOTING7.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Repair Section508.5 Inspection of Capacitor (for Fan Motor and Compressor)(1) Ohmmeter method• Set the ohm-meter to the 10M range. Place thetwo probes

Repair Section518.7 Inspection of Fan Motor• Measure resistance across the terminals of thefan motor. (All terminals must be disconnectedfrom the unit

Repair Section528.11 Inspection• In most cases, the probable cause for insufficient cooling is a clogged system, leakage or anincorrect amount of refr

Repair Section539. REFRIGERANT SYSTEM REPAIR9.1 Repair of Refrigerant System• In case there is a leak, obstruction, or trouble in the refrigerant sys

Repair Section54(4) Use of dry nitrogen gas• During brazing, the inside of the pipe undergoes an oxidative reaction due to the brazing flame.Introduce

Repair Section559.2 Removal of Refrigeration Cycle ComponentsCAUTION• Before any refrigeration cycle component can be replaced, it is necessary to rec

Repair Section569.3 Charging the System with R-410A Refrigerant• Always ensure that the refrigerant system has been properly evacuated before charging

Repair Section57(1) Connection of gauge manifold1) Properly remove the crushed end of the pinch-offtube at the high pressure side and the lowpressure

Repair Section58(3) Checking vacuum1) Leave the high pressure valve and the lowpressure valve of the gauge manifold closed forfive min or more, and co

Repair Section59(4) Checking gas leak1) Remove the charging hose (green) from thevacuum pump, and connect the hose to therefrigerant cylinder (R-410A)

Operation Section61. PRECAUTIONS FOR SAFETY1.1 Foreword• This manual has been published to service the MovinCool Office Pro 12. Please use this servic

Repair Section60(5) Evacuation (repeat)1) Close the valve of the refrigerant cylinder. Thenremove the charging hose (green) from therefrigerant cylind

Repair Section619.4 Refrigerant Charging Work(1) Refrigerant charging1) Remove the charging hose (green) from thevacuum pump, and connect it to the re

Repair Section62(2) Removal of gauge manifold1) Crimp the pinch-off tube with a pinch-off tool.2) Remove the gauge manifold and the processtube fittin

Repair Section6310. REASSEMBLY10.1 Removal of Unit• Reassemble the unit in the reverse order of removal. Described below are the parts that requirespe

Repair Section6410.5 Perform the Inspection• Perform the inspection of cooling performance and check for abnormal noise or abnormalvibration.10.6 Cast

Repair Section6510.7 SchematicI002251AC 115 V 1φ 60 Hz<Wiring Diagram>APGGGHILOMCCN RTH THS DSCBTB2L-J106J108J105J101 J102 J103 J104J201L+E-E+32

DENSO SALES CALIFORNIA, INC.Long Beach, CA 90810www.movincool.comP/N: SV0018- 00 First Issue: July 2008

Operation Section72. GENERAL DESCRIPTION2.1 Spot Cooler• In general, conventional air conditioners coolthe entire enclosed environment. They act as“he

Operation Section83. CONSTRUCTION3.1 Exterior DimensionsI002232(21.4)(2.4)(37.8)(3.7)(43.8)(1.4)(3.5)(1.4)(3.5)(Unit: inch)(19.3)(7.5)(11.6) (18.7)(20

Operation Section93.2 Exterior ComponentsI002233Cold Air Outlet Grill Evaporator Air Inlet Grill Condenser Air Outlet DuctService PanelPower CordConde