Page 2 - TABLE OF CONTENTS
2 Room Air Conditioner Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions ..........................................................................................................................................3 Dimensions .............................................................
Page 3 - Safety Precautions; This symbol indicates the possibility of death or serious injury.; WARNING; Installation; Be sure to follow the instruction.
Service Manual 3 Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions mustbe followed. ■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness isclassified by the following indications...
Page 4 - Do not modify or extend the power cord.; Gasolin
4 Room Air Conditioner Safety Precautions Do not modify or extend the power cord. • There is risk or fire or electric shock. Do not install, remove, or re-install the unit byyourself(customer). • There is risk of fire, electric shock, explosion, or injury. Be cautious when unpacking and installingth...
Page 5 - Dimensions; Outside Dimensions; This symbol alerts you to the risk of electric shock.; Symbols Used in this Manual; Service Manual 5
Dimensions Dimensions H W D Outside Dimensions This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to theair conditioner. This symbol indicates special notes. NOTICE Symbols Used in this Manual Service Manual 5 W mm(inch) 660 (26) 660 (26) H ...
Page 6 - Product Specifications
6 Room Air Conditioner Specfications Product Specifications POWER SUPPLYCOOLING CAPACITY (Btu/h) INPUT (W) RUNNING CURRENT (A) E.E.R (BTU/W.h) HEATING CAPACITY (Btu/h) INPUT (W) RUNNING CURRENT (A) INDOOR(°C) OUTDOOR(°C) INDOOR(°C) OUTDOOR(°C) REFRIGERANT (R-22) CHARGEEVAPORATORCONDENSERFAN, INDOORF...
Page 7 - INSTALLATION; How to Install the unit; A. BEFORE ATTACHING THE FRONT GRILLE TO THE CAB-; How to use the Reversible Inlet grille
Service Manual 8 Installation INSTALLATION How to Install the unit 1. To avoid vibration and noise, make sure the unit is installed securely and firmly. 2. Install the unit where the sunlight does not shine directly on the unit.If the unit receives direct sunlight, build an awning toshade the cabine...
Page 8 - Window Requirements; • WINDOW REQUIREMENTS
9 Room Air Conditioner Installation Window Requirements All supporting parts should be secured to firm wood, masonry, or metal. NOTICE • WINDOW REQUIREMENTS 1. This unit is designed for installation in standard double hung windows with actual opening widths from 29" to 41". The top and botto...
Page 9 - Suggested tool Requirements; • PREPARATION OF CHASSIS
Service Manual 10 Installation Suggested tool Requirements SCREWDRIVER(+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL • PREPARATION OF CHASSIS 1. Remove the screws which fasten the cabinet at both sides and at the back. Keep these two screws which fasten thecabinet at both sides for later use. 2. Slide ...
Page 10 - Cabinet Installation; CAUTION: Do not drill a hole in the
11 Room Air Conditioner Installation Cabinet Installation 1. Open the window. Mark a line on the center of the win- dow stool between the side window stop moldings. Loosely attach the sill bracket to the support bracketusing the carriage bolt and the lock nut. 2. Attach the sill bracket to the windo...
Page 12 - Operation
13 Room Air Conditioner Installation Operation Power Te m p Fan Speed Timer Mode Energy Saver Auto Swing 1 4 2 6 7 3 5 REMOTE CONTROLLER 1. POWER BUTTON To turn the air conditioner ON, push the button. To turn the air conditioner OFF, push the button again.This button takes priority over any other b...
Page 13 - Disassembly; Mechanical parts
Service Manual 14 Disassembly Disassembly - Before the following disassembly, power switch is set to off and disconnected the power cord. Mechanical parts 1. Front grille 1. Open the inlet grille upward or downward. 2. Remove the screw which fastens the front grille. 3. Pull the front grille from th...
Page 14 - Air handling parts
15 Room Air Conditioner Disassembly Air handling parts 4. Cover (at the top) 1. Remove the front grille. (Refer to section 1) 2. Remove the cabinet. (Refer to section 2) 3. Remove 11 screws which fasten the brace and covers. 4. Remove the covers and the brace. (See Fig. 19) 5. Re-install the compone...
Page 15 - Electrical parts
Service Manual 16 Disassembly 6. Fan 1. Remove the cabinet. (Refer to section 2) 2. Remove the brace and shroud cover. (Refer to section 4) 3. Remove the side cover with 2 screws.(See Fig. 23) 4. Remove the 5 or 6 screws which fasten the condenser. 5. Move the condenser sideways carefully. 6. Remove...
Page 17 - SYNCHRONOUS MOTOR
Service Manual 18 Disassembly 13. SYNCHRONOUS MOTOR 1. Remove the control box. (Refer to section 3) 2. Unfold the control box. (Refer to section 10) 3. Remove the crankshaft. 4. Disconnect all the leads of the synchronous motor. 5. Remove the 2 screws which fasten the synchronous motor. (See Fig. 30...
Page 18 - Refrigeration cycle; CAUTION: Discharge the refrigerant system using Freon; . Leave the valve in place after servicing the system.
19 Room Air Conditioner Disassembly Refrigeration cycle CAUTION: Discharge the refrigerant system using Freon TM Recovery System.If there is no valve to attach the recovery system, install one (such as a WATCO A-1)before venting the Freon TM . Leave the valve in place after servicing the system. 16....
Page 19 - Service Manual 20
Service Manual 20 - Replacement of the refrigeration cycle. 1. When replacing the refrigeration cycle, be sure to discharge the refrigerant system using a Freon TM recovery System.If there is no valve to attach the recovery system,install one (such as a WATCO A-1) before ventingthe Freon TM . Leave ...
Page 21 - Schematic Diagram; Wiring Diagram
Service Manual 22 Schematic Diagram Schematic Diagram Wiring Diagram ■ ELECTRIC HEATING MODEL
Page 22 - Troubleshooting Guide; Piping System; ROOM AIR CONITIONER
23 Room Air Conditioner Troubleshooting Guide Troubleshooting Guide Piping System Figure 32 is a brief description of the important components and their function in what is called the refrigerationsystem. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the...
Page 23 - Unit runs but poor cooling.
Service Manual 24 Troubleshooting Guide Troubleshooting Guide In general, possible trouble is classified in two kinds.The one is called Starting Failure which is caused from an electrical defect, and the other is ineffective AirConditioning caused by a defect in the refrigeration circuit and imprope...
Page 25 - Room Air Conditioner Voltage Limits
Service Manual 26 Troubleshooting Guide COMPLAINT CAUSE REMEDY Check voltage at outlet. Correct if necessary. Check voltage to rotary switch. If none, check powersupply cord. Replace cord if circuit is open. Check switch continuity. Refer to wiring diagram forterminal identification. Replace switch ...
Page 27 - Exploded View
Service Manual 28 Exploded View Exploded View 159830 135314 147581-1 147581-2 135312 552102 753010 554031 148000 749750 349600 346811 130410 354210 147582 349001 359012 749740 W48602 W48602 559011 149980 550140 554160 352115-1 352113 35211A 352111 567480 268711-1 146812 264110 267110 137215 238310 W...
Page 29 - Replacement Parts List
REG-243A DESCRIPTION 130410 3041A23004H Base Assy Single R 130910 3091AR6056Q Cabinet Assy Single R 135312 AEB30969402 Grille Assy Front R 135314 3530AR1604A Grille Assy Inlet R 135510 3551A30015A COVER ASSEMBLY, CONTROL R 137215 3720AR6163A PANEL, CONTROL R 146812 2H01102J MOTOR ASSEMBLY, SYNC R 14...
