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Heat Controller REG-123A manual

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Table of contents for the manual

  • Page 1

    5RRP$LU&RQGLWLRQHU +($ 7&2175 2//(5,1& 02'(/6  5 EG-71A 6HUYLFH$QG3DUWV0DQXDO CAUTION webs • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL . 5 EG-123A SERVICE MANUAL[...]

  • Page 2

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

  • Page 3

    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 ollowed. ■ Incorrect operation due to ignoring instruction will cause har m or damage. The seriousness is classified by the f ollowing indications . ■ Meanings of symbols used in [...]

  • Page 4

    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 injur y . Be cautious when unpacking and installing the product. • Sharp edges could caus[...]

  • Page 5

    Dimensions Dimensions H W D W mm(inch) 471(18 9 / 16 ) 600(23 5 / 8 ) H mm(inch) 352(13 7 / 8 ) 380(14 31 / 22 ) D mm(inch ) 525(20 11 / 16 ) 5 76 (22 1 / 1 6 ) Model Dimension REG-71A REG-123A 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 . [...]

  • Page 6

    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[...]

  • Page 7

    Se r vice Ma n ual 7 Installation Installation Select the Best Location Installation Chec k How to Secure the Drain Pipe(When using drain pipe) 1.To prevent 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. 3.The outside of the cabinet must extend out[...]

  • Page 8

    8 Room Air Conditioner Installation How to Install(Models without Installation Kit) 1. Remove the screws that fasten the cabinet at both sides and at the back. 2. Slide the unit from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet. 3. Remove EPS Material. 4. Slide the unit into the cabinet. CA UTION: For se[...]

  • Page 9

    Se r vice Ma n ual 9 Installation How to Install(Models with Installaion Kit) When Using Gasket When Using Installation Kits 1. Window Requirements This unit is designed for installation in standard double hung windows with actual opening widths from 27" to 39". The top and bottom window sash must open suffi- ciently to allow a clear vert[...]

  • Page 10

    Installation 10 Room Air Conditioner When Using Installation Kits 1. Window Requirements This unit is designed for installation in standard double hung windows with actual opening widths from 22" to 36". The top and bottom window sash must open suffi- ciently to allow a clear vertical opening of 15" from the bottom of the upper sash [...]

  • Page 11

    Se r vice Ma n ual 11 Suggested T ool Requirements SCREWDRIVER (+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL Preparation of Chassis 1. Remove the screws that fasten the cabinet at both sides and at the back. 2. Slide the unit out from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet. 3. Remove EPS Material. 4.[...]

  • Page 12

    12 Room Air Conditioner INDOOR OUTDOOR Sill Support Nut Bolt 2 4 3 INDOOR OUTDOOR 12 6 7 2 5 Frame Guide About 1/2" Screw(Type A) Cabinet 6 2 About 1/2" Screw(Type B) 5 Screw(Type A) Sill support Sash track Front Angle Type C Screw(Type B) Sill support 3. Loosely assemble the sill support using the parts in Figure 4. 4. Select the positio[...]

  • Page 13

    Se r vice Ma n ual 13 Installation 13 8 Foam-Strip Screw(Type A) Screw(Type A) Power cord TI ME R E N E R G Y S A V E R MO DE O n /O f f O n /O ff Fa n C o o l H e a t T I M E R E N E R G Y S A V E R M O D E On/Off On/Off Fan Cool Heat TIMER ENERGY SAVER MODE On/Off On/Off Fan Cool Heat 10. Slide the unit into the cabinet.(See Fig. 8) CA UTION: For[...]

  • Page 14

    14 Room Air Conditioner • Designed for COOLING and HEATING. • Powerful and whispering cooling. • Slide-in and slide-out chassis for the simple instal- lation and service. • Side air-intake, side cooled-air discharge. • Built-in adjustable THERMOSTAT • Washable one-touch filter • Compact size • Reliable and efficient rotary compresso[...]

  • Page 15

    Se r vice Ma n ual 15 Disassembly Disassembl y Mechanical P arts — Before the following disassembly, CONTROL BOX set to OFF and disconnect the power cord. 1. Front Grille 1. Open the lnlet grille upward . 2. Remove the screw that fastens the front grille. 3. Pull the front grille from the right side. 4. Remove the front grille. 5. Re-install the [...]

  • Page 16

    16 Room Air Conditioner Disassembly T IM ER ENERG Y SAVER MODE On/Off On/Off Fan Cool H eat Figure 17 Figure 18 Figure 19 Figure 20 4. Air Guide and T urbo Fan 1. Remove the front grille. (Refer to section 1) 2. Remove the cabinet. (Refer to section 2) 3. Remove the control box. (Refer to section 3) 4. Remove the 4 screws that fasten the brace. 5. [...]

  • Page 17

    Se r vice Ma n ual 17 6. Shroud 1. Remove the fan. (Refer to section 5) 2. Remove the screw that fastens the shroud. 3. Remove the shroud. (See Figure 21) 4. Re-install the component by referring to the removal procedure, above. 7. Overload Protector 1. Remove the cabinet. (Refer to section 2) 2. Remove the nut that fastens the terminal cover. 3. R[...]

  • Page 18

    18 Room Air Conditioner Disassembly 9. Capacitor 1. Remove the control box. (Refer to section 3) 2. Remove the knobs and the screw that fasten control panel from control box. 3. Remove the screw that located in the front. 4. Open the bottom side of control box. 5. Remove the screw and the clamp that fastens the capacitor. 6. Disconnect all the lead[...]

  • Page 19

    Se r vice Ma n ual 19 Disassembly 13. Motor 1. Remove the cabinet. (Refer to section 2) 2. Remove the evaporator. (Refer to section 4) 3. Remove the orifice. (Refer to section 4) 4. Remove the blower. (Refer to section 4) 5. Remove the fan. (Refer to section 5) 6. Remove the control box cover and disconnect 5 or 4 wires of motor housing. (Refer to [...]

  • Page 20

    20 Room Air Conditioner Disassembly — 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 se[...]

  • Page 21

    Se r vice Ma n ual 21 Disassembly Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin ch -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 [...]

  • Page 22

    22 Room Air Conditioner Schematic Diagram Schematic Dia gram Wiring Diagram ■ ELECTRIC HEATING MODEL[...]

  • Page 23

    Se r vice Ma n ual 23 T roub leshooting Guide T r oub 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[...]

  • Page 24

    24 Room Air Conditioner T roub leshooting Guide T r oubleshooting 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 cool[...]

  • Page 25

    Se r vice Ma n ual 25 T roub leshooting 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 start[...]

  • Page 26

    26 Room Air Conditioner T roub leshooting 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 wir[...]

  • Page 27

    Se r vice Ma n ual 27 T roub leshooting 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 shorte[...]

  • Page 28

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