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TROUBLESHOOTING AND REPAIR

28

4

4

2

1

2

EVAPORATOR BRACKET

4

Removal of Air Diverter

Removal of Evaporator Bracket

Evaporator Fan Removal

12. Removal of Evaporator Fan Motor

A. Remove the ten (10) screws from the air

diverter housing.

B. Remove the three (3) screws from the evapo-

rator housing bracket.

C. Remove the four (4) screws holding the

evaporator motor to the evaporator fan
housing.

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Summary of Contents for Office Pro 10

Page 1: ...SERVICE MANUAL OFFICE PRO 10...

Page 2: ...d This book may not be reproduced or copied in whole or in part without the written permission of the publisher DENSO SALES CALIFORNIA INC reserves the right to make changes without prior notice Movin...

Page 3: ...SERVICE MANUAL OFFICE PRO 10...

Page 4: ......

Page 5: ...All electrical work if necessary should only be performed by qualified electrical personnel Repair to electrical components by non certified technicians may result in personal injury and or damage to...

Page 6: ...ii...

Page 7: ...TENTS FOREWORD i DEFINITION OF TERMS i GENERAL PRECAUTIONS i TABLE OF CONTENTS iii GENERAL DESCRIPTION 1 CONSTRUCTION SPECIFICATIONS DATA 3 REFRIGERANT SYSTEM 9 ELECTRICAL SYSTEM 13 TROUBLESHOOTING RE...

Page 8: ...iv...

Page 9: ...MovinCool Spot Cooling System is a spot cooler which directs cool air to particular areas or objects MovinCool Spot Cooling Systems have the following features 1 Compact Design The innovative design o...

Page 10: ...2 GENERAL DESCRIPTION...

Page 11: ...TION SPECIFICATIONS and DATA 3 CONTROL PANEL DRAIN TANK COOL AIR VENT EVAPORATOR FAN MOTOR CONTROL BOX CONDENSER FAN MOTOR COMPRESSOR DRAIN SWITCH EVAPORATOR DRAIN HOSE CONDENSER Construction of Offic...

Page 12: ...n is equipped with the evaporator and drain tank The rear section contains the condenser The compressor and the control box are both at the front of the unit DRAIN HOSE CONTROL PANEL EVAPORATOR FILTER...

Page 13: ...air across the evapo rator The condenser fan draws air over the condenser section 4 Drain Tank The capacity of the drain tank is approximately 3 0 gallons 11 liters The unit is equipped with a Tank F...

Page 14: ...lume Evaporator High speed 205 CFM 344m3 h Evaporator Lo speed 175 CFM 294m3 h Condenser High speed 370 CFM 622m3 h motor output Condenser High 0 08 Kw Evaporator High 0 08 Kw Evaporator Low 0 05 Kw C...

Page 15: ...CONSTRUCTION SPECIFICATIONS and DATA 7 14 92 13 50 9 50 1 30 21 80 36 90 1 80 38 25 Exterior Dimensions units inches...

Page 16: ...Temperature C F 20 68 25 77 30 86 35 95 25 77 30 86 35 95 20 68 0 6 0 8 1 2 1 4 1 0 20 68 25 77 30 86 35 95 25 77 30 86 35 95 20 68 8 0 10 0 11 0 9 0 7 0 Temperature C F Cooling Capability x10 3 KCAL...

Page 17: ...PES PRESSURE REGULATING VALVE CAPILLARY TUBE COMPRESSOR SUCTION PIPE INSULATED COMPRESSOR DISCHARGE PIPE ACCUMULATOR Refrigerant System 1 The component parts of the refrigerant system include the foll...

Page 18: ...the center of the cylinder A spring loaded blade is mounted on the cylinder The roller turns to compress the refrigerant in the space between the cylinder and eccentrically mounted roller The blade i...

Page 19: ...frigerant become low and mist like respecitively causing it to evaporate easily 4 Evaporator The evaporator like the condenser is a heat exchanger utilizing plate fins Heat is removed from the air bei...

Page 20: ...REFRIGERANT SYSTEM 12 EVAPORATOR INLET PIPES PRESSURE REGULATING VALVE CAPILLARY TUBE COMPRESSOR SUCTION PIPE INSULATED COMPRESSOR DISCHARGE PIPE ACCUMULATOR Refrigerant System Piping...

Page 21: ...tor of MF1 CF2 Capacitor for Fan Motor of MF1 CF3 Capacitor for Fan Motor of MF2 CC Capacitor for Compressor IOLF Internal Overload Relay of Fan Motor OLC Overload Relay of Compressor DS Full Drain Wa...

Page 22: ...his output is connected to the J5 terminal relay board where the LOW SPEED wire of the fan motor is connected Note Low fan mode does not operate in Fan Only mode High Fan Mode When the High Fan Mode b...

Page 23: ...bly where it is further regulated to 5 volts for the system logic The relay board also contains the DIP Switch The DIP Switch is used to change the Fan Mode operation from Stop to Operate and change t...

Page 24: ...er 215 watts 5 Compressor Motor The compressor motor is a single phase motor It is contained within the same housing as the compressor Specifications Rated Voltage 115 volts Rated Power 1100 Watts NOT...

Page 25: ...causes the ground signal at the J5 connector of the control panel assembly to close When the micro processor detects this event it shuts the unit off and flashes the Tank Full LED When the drain tank...

Page 26: ...n this case both the fan and the compressor stop when the microprocessor receives a sufficiently low intake air room temperature signal from the thermistor equal to or less than the set point When the...

Page 27: ...ection of Drain Tank Be sure tank is fully drained The following chart is provided as a guide for categorized problem remedies Detailed information is con tained in the OPERATION MANUAL supplied with...

Page 28: ...ternal interference with other components Damaged or out of balance fan Trouble Probable Cause Unit is not responding to control Unit is in the programming mode board buttons No diagnostic and locked...

Page 29: ...fied service technician Plate Fins Operating Environment Cooling Capacity 7 Examination of Operating Environment Operating environments will vary depending on location climate and surrounding conditio...

Page 30: ...ASSEMBLY FREEZE THERMISTOR BACK PANEL DRAIN TANK EVAPORATOR FILTER CONDENSER FILTER PIVOTING CASTOR PIVOTING CASTOR WITH BREAK CONDENSER FAN HOUSING DRAIN PAN ASSEMBLY ROOM THERMISTOR EVAPORATOR FAN...

Page 31: ...Wire Harness B Remove five 5 plastic caps with a small screw driver or pin REMOTE CONTROL SENSOR 2 3 Removal of Caps C Remove the ten 10 screws from the front panel D Slide front panel forward and dis...

Page 32: ...oval of Air Outlet Louver continued Removal of Rear Panel E Louver can be removed from upper front panel by unsnapping the lock tab and remov ing the louver from its pivots F Gently push air louver up...

Page 33: ...ntrol Board RB Relay Board MF1 Fan Motor of Evaporator MF2 Fan Motor of Condenser MC Compressor Motor CF1 Capacitor for Fan Motor of MF1 CF2 Capacitor for Fan Motor of MF1 CF3 Capacitor for Fan Motor...

Page 34: ...ONNECTOR OF CONDENSATE PUMP TO CONDENSER FAN MOTOR POWER TO TERMINAL BLOCK R RELAY BOARD FUSE MAIN WIRING HARNESS CONTROL PANEL TO RELAY BOARD FAN MODE CONTROL SWITCH STOP OPERATE TEMPERATURE SCALE DI...

Page 35: ...BLESHOOTING AND REPAIR 27 AIR DIVERTER HOUSING EVAPORATOR FAN AND MOTOR EVAPORATOR BRACKET MIDDLE FRAME SUB ASSEMBLY RING EVAPORATOR Disassembly of the Evaporator Fan Housing 11 Removal of Blower Asse...

Page 36: ...al of Evaporator Bracket Evaporator Fan Removal 12 Removal of Evaporator Fan Motor A Remove the ten 10 screws from the air diverter housing B Remove the three 3 screws from the evapo rator housing bra...

Page 37: ...REPAIR 29 Removal of Evaporator Fan Motor Wiring From the Capacitors to Evaporator Fan Motor D Tag all evaporator fan wires then remove wires as shown E Slowly pull the evaporator fan out from the eva...

Page 38: ...ONDENSER CONDENSER FAN HOUSING CONDENSER FAN AND MOTOR Disassembly of Condenser Fan Housing 13 Removal of Condenser Housing Assembly 14 Removal of Condenser Fan Motor A To access the condenser fan the...

Page 39: ...ain Pan Removal of Evaporator Stay C Gently tilt the evaporator to access the drain screws Remove the two 2 screws D Pivot the drain pan up Slide the drain pan out as shown B Remove the two 2 screws f...

Page 40: ...of Electric Box Removal of Screws for Evaporator Fan Housing B Remove four 4 screws from the electric box Set aside the electric box C Remove three 3 screws from the condenser fan housing and stay 15...

Page 41: ...ng Removal of the Condenser Fan Cover on the Condenser Fan Housing Removal of Protective Screen Housing F Slide the condenser fan cover out of the condenser fan housing D Remove the evaporator fan hou...

Page 42: ...er Fan Ring Sub Assembly Removal of the Condenser Fan Motor Removal of Condenser Fan Screws G Remove the four 4 screws for removal of the condenser fan ring subassembly H Remove the four 4 screws from...

Page 43: ...0K range Place the two probes against the tow terminals of the capacitor At first the ohmeter should indicate 0 then the reading should gradually increase towards infinity This indicates that the capa...

Page 44: ...k Removal of Power Cord Connector Removal of Power Cord Retainer 20 Removal of Power Cord A Remove the two 2 screws from the connec tor located under the base of the unit B Loosen the retainer from th...

Page 45: ...2 Approx 52 8 CF22 CF12 Approx 50 7 If the measured resistance does not approxi mately equal these standard values 10 replace the fan motor 23 Inspection of Compressor Motor Measure resistance across...

Page 46: ...A Inspection of Clogged System Check the component parts of the refrigerant system including piping that could be clogged with refrigerant If clogged with refrigerant only the clogged part is frosted...

Page 47: ...stos etc to protect them from the flame 1 Evaporator 2 Capillary tube 3 Condenser 4 Compressor NOTE Hold the compressor body not the tube when carrying the compressor USE OF DRY NITROGEN GAS During br...

Page 48: ...precautions should always be observed Always wear proper eye protection while handling refrigerant Maintain the temperature of the refrigerant container below 40 C 104 F Perform repairs in a properly...

Page 49: ...tion Evacuate the system for approximately 20 minutes 3 When the low pressure gauge indicates 750mmHg 29 55 in Hg or larger turn off the vacuum pump and close the high and low pressure valves of the g...

Page 50: ...kg cm2 G After charging is complete close the high pressure valve 4 Check carefully for gas leaks inside the refrigerant system using the gas leak tester 5 Repair any leak WARNING Do not attempt any...

Page 51: ...th a weighing capacity of 70 lbs 30 kg that is graduated by 0 2 oz 5 g 4 Open the high pressure valve of the gauge manifold and the valve of the refrigerant cylinder Charge the system with refrigerant...

Page 52: ...e frame using cushions steel collars steel washers and nuts 31 Blower and Condenser Motor Assembly a Install blower fan for evaporator and condenser fan Tightening torque 1 10 0 22 lbf ft 15 5 3 0 kgf...

Page 53: ...r of Condenser MC Compressor Motor CF1 Capacitor for Fan Motor of MF1 CF2 Capacitor for Fan Motor of MF1 CF3 Capacitor for Fan Motor of MF2 CC Capacitor for Compressor IOLF Internal Overload Relay of...

Page 54: ...TROUBLESHOOTING AND REPAIR 46...

Page 55: ...DENSO SALES CALIFORNIA INC TECHNICAL SERVICE DEPARTMENT First Issue July 2003 DSCA P N LA990009 1196 Printed in U S A...

Page 56: ...800 264 9573 www movincool com DSCA P N LA990009 1196...

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