Heat Controller REG-243A manual

5RRP$LU&RQGLWLRQHU +($ 7&2175 2//(5,1& 6HUYLFH$QG3DUWV0DQXDO CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL . REG-183A REG-243A[...]

2 Room Air Conditioner Air Conditioner Ser vice Manual T ABLE OF CONTENTS Safety Precautions .......................................................................................................................................... 3 Dimensions .........................................................................................................[...]

Ser vice Manual 3 Saf ety Precautions Safety Precautions T o pre v ent injur y to the user or other people and proper ty damage, the f ollowing instructions must be f ollow ed. ■ Incorrect operation due to ignoring instruction will cause har m or damage. The seriousness is classified by the f ollo wing indications. ■ Meanings of symbols used in[...]

4 Room Air Conditioner Saf ety Precautions Do not modify or extend the po wer cord. • There is risk or fire or electric shock. Do not install, remove, or re-install the unit b y y ourself(customer). • There is risk of fire, electric shock, e xplosion, or injury . Be cautious when unpacking and installing the product. • Sharp edges could cause[...]

Dimensions Dimensions H W D Outside Dimensions This symbol alerts you to the risk of electric shoc k. This symbol alerts you to hazar ds that could cause harm to the air conditioner . This symbol indicates special notes. NOTICE Symbols Used in this Manual Ser vice Manual 5 W mm(inch) 660 (26) 660 (26) H mm(inch) 428 (16 27 / 32 ) 428 (16 27 / 32 ) [...]

6 Room Air Conditioner Specfications Pr oduct Specifications POWER SUPPLY COOLING 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) CHARGE EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING/HEAT[...]

Se r vice Ma n ual 8 Installation INST ALLA TION 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 to shade the cabinet. 3. There should be no obstacle, like a [...]

9 Room Air Conditioner Installation Window Requirements All supporting parts should be secured to firm wood, masonry, or metal. NOTICE • WINDO W REQUIREMENTS 1. This unit is designed for installation in standard double hung windows with actual opening widths from 29" to 41". The top and bottom window sashes must open sufficiently to all[...]

Se r vice Ma n ual 10 Installation Suggested tool Requirements SCREWDRIVER(+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL • PREP ARA TION OF CHASSIS 1. Remove the screws which fasten the cabinet at both sides and at the back. Keep these two screws which fasten the cabinet at both sides for later use. 2. Slide the unit out from the cabinet by gripping[...]

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 bracket using the carriage bolt and the lock nut. 2. Attach the sill bracket to the window sill using the screws (Type B). Carefully place[...]

Se r vice Ma n ual 12 Installation 5. Pull each Frame curtain fully to each window sash track, and pull the bottom window sash down behind the Top retainer bar until it meets. 6. Attach each Frame curtain the window sash by using screws (Type C). (See Fig. 10) 7. Slide the unit into the cabinet. (See Fig. 11) CA UTION: For security purpose, rein- s[...]

13 Room Air Conditioner Installation Operation Po we r T emp F an Speed Timer Mode Energy Sav er Au to 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 buttons. 2. OPERATION MODE SELECTION BUTTON Ev[...]

Se r vice Ma n ual 14 Disassembly Disassembl y - 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 the right side. 4. Remove the front grille. (Se[...]

15 Room Air Conditioner Disassembly Air handling par ts 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 components by referring to the removal procedure, above.[...]

Se r vice Ma n ual 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 the clamp which secures the fan. 7. Remove th[...]

17 Room Air Conditioner Disassembly 10. CAP A CIT OR 1. Remove the control box. (Refer to section 3) 2. Remove the screw and knobs which fasten the display panel. 3. Disconnect the 2 leads from the rocker switch and remove the panel. 4. Remove a screw and unfold the control box. (See Fig. 27) 5. Remove the screw and the clamp which fastens the capa[...]

Se r vice Ma n ual 18 Disassembly 13. SYNCHRONOUS MO T OR 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) 6. Re-install the components by referring [...]

19 Room Air Conditioner Disassembly Refrigeration cyc le CA UTION: Discharge the refrigerant system using Freon TM Recovery System.If there is no valve to attac h the recovery system, install one (such as a W A TCO A-1) before venting the Freon TM . Lea ve the v alve in place after servicing the system. 16. CONDENSER 1. Remove the cabinet. (Refer t[...]

Se r vice Ma n ual 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 venting the Freon TM . Leave the valve in place after servicing the syst[...]

21 Room Air Conditioner Disassembly Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable of making a leak-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. A COMPOUND GAUGE EVAPORATOR (LOW PRESSURE SIDE) COMPRESSOR CAPILLARY TUBE CONDENSER (HIGH PRESSURE SI[...]

Se r vice Ma n ual 22 Schematic Diagram Schematic Dia gram Wiring Diagram ■ ELECTRIC HEATING MODEL[...]

23 Room Air Conditioner T roubleshooting Guide T roub leshooting Guide Piping System Figure 32 is a brief description of the important components and their function in what is called the refrigeration system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle. MOTOR COMPRESSOR OIL (LIQUID R[...]

Se r vice Ma n ual 24 T roubleshooting Guide T roub leshooting 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 Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but poor cooling[...]

25 Room Air Conditioner T roubleshooting Guide Fails to Start Check circuit breaker and fuse. Gas leakage of feeler bulb of thermostat Check of control switch. Fan only fails to start. Improper wiring. Defect of fan motor capacitor . Irregular motor resistance ( ). Irregular motor insulation ( ). Replacement of fan motor . Regular but fails to star[...]

Se r vice Ma n ual 26 T roubleshooting Guide COMPLAINT CAUSE REMEDY Check voltage at outlet. Correct if necessary. Check voltage to rotary switch. If none, check power supply cord. Replace cord if circuit is open. Check switch continuity. Refer to wiring diagram for terminal identification. Replace switch if defective. Connect wire. Refer to wiring[...]

27 Room Air Conditioner T roubleshooting Guide COMPLAINT CAUSE REMEDY Check the position of knob If not at the coldest set- ting, advance the knob to this setting and restart unit. Check continuity of the thermostat. Replace ther- mostat if circuit is open. Check the capacitor. Replace if not within ±10% of manufacturers rat- ing. Replace if short[...]

Ser vice Manual 28 Exploded View Exploded Vie w 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 W0CZZ 249950 135510 130910 753000 135515 135500 7[...]

REG-183A DESCRIPT ION 130410 3041A 23004F Base A ssy Single R 130910 3091A R6056Q Cabinet A ssy Single R 135312 A EB30969402 Grille A ssy Fron t R 135314 3530A R1604A Grille Assy Inlet R 135510 3551A 30015A COVER A SSEMBLY, CONTROL R 137215 3720A R6163A PA NEL, CONTROL R 146812 2H01102J MOTOR A SSEMBLY , SYNC R 147581-1 4758A R7264C Louver ,HORIZON[...]

REG-243A DESCRIPTION 130410 3041A 23004H Base A ssy Single R 130910 3091A R6056Q Cabinet Assy Single R 135312 A EB30969402 Grille A ssy Front R 135314 3530A R1604A Grille A ssy Inlet R 135510 3551A 30015A COVER A SSEMBLY, CONT ROL R 137215 3720A R6163A PA NEL, CONTROL R 146812 2H01102J MOT OR A SSEMBLY, SY NC R 147581-1 4758A R7264C Louver ,HORIZO [...]

6SHFLILFDWLRQVDQGSHUIRUPDQFHGDWDVXEMHFWWRFKDQJHZLWKRXWQ RWLFH +($ 7&21752//(5,1&  :(// :25 7+$ 9(18(-$ &.6210,&+,*$1 7+(48 $/,7</($'(5,1&21',7,21,1*$,5 3 U LQWHGLQ&KLQD[...]