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A55537 © 1999 DENSO SALES CALIFORNIA, INC. All rights reserved. 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. MovinCool is a registerd trademark of DENSO Sales California, Inc. SERVICE MANUAL CLASSIC PLUS 26 FOREWORD This manual has been published to service the MovinCool Classic Plus 26. Please use this service manual only when servicing the Classic Plus 26. DEFINITION OF TERMS WARNING: Describes precautions that should be observed in order to prevent injury to the user during installation or unit operation. CAUTION: Describes precautions that should be observed in order to prevent damage to the unit or its components, which may occur during installation or unit operation if sufficient care is not taken. NOTE: Provides additional information that facilitates installation or unit operation. GENERAL PRECAUTIONS WARNINGS: • 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 the unit. All electrical components replaced must be genuine MovinCool, purchased from an authorized reseller. • When handling refrigerant, always wear proper eye protection and do not allow the refrigerant to come in contact with your skin. • Do not expose refrigerant to an open flame. • The proper electrical outlet for MovinCool units must be equipped with a “UL” approved ground-fault breaker to prevent electrical shock from the unit. • When brazing any tubing, always wear eye protection and work only in a well ventilated area. i ii Table of Contents FOREWORD ............................................................................................................................... i DEFINITION OF TERMS ............................................................................................................ i GENERAL PRECAUTIONS ........................................................................................................ i GENERAL DESCRIPTION ........................................................................................................ 1 CONSTRUCTION, SPECIFICATIONS & DATA ........................................................................ 3 REFRIGERANT SYSTEM.......................................................................................................... 9 ELECTRICAL SYSTEM ........................................................................................................... 14 TROUBLESHOOTING AND REPAIR ...................................................................................... 19 iii iv GENERAL DESCRIPTION CONDENSER (OUTDOOR UNIT) EVAPORATOR (INDOOR UNIT) Conventional Air Conditioner Generally speaking, conventional air conditioners cool the entire enclosed environment. They act as “heat exchangers”, requiring an interior unit (evaporator) to blow cool air into the interior and an exterior unit (condenser) to exhaust exchanged heat to the outdoors. Unlike conventional air conditioners, the 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: Air Flow of MovinCool Spot Cooling System 1. Compact Design The innovative design of MovinCool has resulted in one compact unit, replacing the need for two separate units. 2. Easy Transportation and Installation With the whole cooling system built into one compact unit, MovinCool requires no piping and can be easily transported and installed. 3. Energy Conservation MovinCool is economical because it cools only the area or objects which need to be cooled. 1 GENERAL DESCRIPTION CONSTRUCTION, SPECIFICATIONS & DATA Construction of Classic Plus 26 3 CONSTRUCTION, SPECIFICATIONS & DATA Base PanelAir Filter (Evaporator) Evaporator Cool Air Duct Control Panel Blower Housing (Evaporator) Evaporator Fan Side Panel High Pressure Switch Exhaust Air Outlet Side Panel Condenser Caster Rear Panel Control Box Compressor Service Panel Capillary Tube Air Filter (Condenser) Modulating Tank Condenser Fan Blower Housing (Condenser) Fan Motor Upper Panel Base PanelBase Panel Power Cord Front Panel Drain Pan Drain Tube Drain Tank Drain Switch Construction Diagram of Classic Plus 26 4 CONSTRUCTION, SPECIFICATIONS & DATA Air Flow 1. Basic Construction The MovinCool Spot Cooling System is compact in construction because the condenser and the evaporator are enclosed in one unit. The interior is divided into three sections. The upper front face is equipped with the evaporator, while the lower front face contains the drain tank. The rear section contains the condenser, the compressor and the control box. 2. Air Flow Air drawn from the right side face passes through the condenser which extracts the heat. This hot air is blown out through the upper exhaust air duct. ...