Heat Controller BDE-103-A Service Manual
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Heat Controller BDE-103-A Service Manual

Heat Controller BDE-103-A Service Manual

Through-the-wall air conditioner
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HEAT CONTROLLER, INC.
Through-The-Wall
Air Conditioner
MODELS: BDE-103-A
BDE-123-A

Service Manual

CAUTION
-Before servicing the unit, read the "safety precautions" in this manual.
-Only for authorized service personnel.

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Summary of Contents for Heat Controller BDE-103-A

  • Page 1: Service Manual

    HEAT CONTROLLER, INC. Through-The-Wall Air Conditioner MODELS: BDE-103-A BDE-123-A Service Manual CAUTION -Before servicing the unit, read the "safety precautions" in this manual. -Only for authorized service personnel.

  • Page 2: Table Of Contents

    CONTENTS 1. PREFACE 1.1 SAFETY PRECAUTIONS .......2 2.4 REFRIGERATION CYCLE......10 1.2 INSULATION RESISTANCE TEST....2 2.4.1 CONDENSER ........10 1.3 FEATURES .............4 2.4.2 EVAPORATOR ........10 1.4 CONTROL LOCATIONS .........4 2.4.3 CAPILLARY TUBE.......10 2. DISASSEMBLY INSTRUCTIONS 3. INSTALLATION 2.1 MECHANICAL PARTS........6 3.1 HOW TO INSTALL THE UNIT ......13 2.1.1 FRONT GRILLE ........6 3.2 INSTALLATION KITS CONTENTS ....14 2.1.2 CABINET..........6...

  • Page 3: Specifications

    1.3 SPECIFICATIONS 1.3.1 FOR BDE-103-A/BDE-123-A MODELS BDE-103-A BDE-123-A REMARK ITEMS 1Ø, 208/ 230V, 60Hz POWER SUPPLY CAPACITY (Btu/h) 9,800/10,000 11,400/11,700 INPUT 1,040/1,060 1,210/1,250 COOLING 5.2/4.7 6.2/5.8 RUNNING CURRENT (A) E.E.R. (Btu/W.h) 9,200/11,200 CAPACITY (Btu/h) HEATING INPUT 2,900/3,500 RUNNING CURRENT (A) 14.0/15.3...

  • Page 4: Features

    1.4 FEATURES • Designed for cooling only. • Side air-intake, side cooled-air discharge. • Powerful and quiet cooling. • Built in adjustable THERMOSTAT. • Top-down chassis for the simple installation and service. • Washable one-touch filter. • Compact size. 1.5 CONTROL LOCATIONS 1.5.1 COOLING ONLY MODEL •...
  • Page 5 1.5.2 COOLING AND HEATING MODEL • OPERATION - Turns the air conditioner off. FAN ONLY - The low fan speed operation without cooling/heating. LOW COOL - Cooling with the low speed fan operation. HIGH COOL - Cooling with the high speed fan operation. LOW HEAT - Heating with the low speed fan operation.

  • Page 6: Disassembly Instructions

    2. DISASSEMBLY INSTRUCTIONS — Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power cord. 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Open the inlet grille upward or downward. 2. Remove the screw which fastens the front grille. 3.

  • Page 7: Air Handling Parts

    2.2 AIR HANDLING PARTS 2.2.1 ORIFICE, HEATER ASSY AND TURBO FAN 1. Remove the front grille. (Refer to section 2.1.1) 2. Remove the cabinet. (Refer to section 2.1.2) 3. Remove the 2 screws which fasten the evaporator at the left side and the right side. (See Fig.

  • Page 8: Shroud

    2.2.3 SHROUD 1. Remove the fan. (Refer to section 2.2.2) 2. Remove the screw which fasten the shroud. 3. Remove the shroud. (See Fig. 9) 4. Re-install the component by referring to the removal procedure, above. 2.3 ELECTRICAL PARTS 2.3.1 MOTOR 1.

  • Page 9: Power Cord

    2.3.4 POWER CORD 1. Remove the control box. (Refer to section 2.1.3) 2. Unfold the control box. (Refer to section 2.3.3) 3. Disconnect the grounding screw from the control box. 4. Disconnect 2 receptacles. 5. Remove a screw which fastens the clip cord. 6.

  • Page 10: Refrigeration Cycle

    2.4 REFRIGERATION CYCLE CAUTION Discharge the refrigerant system using Freon Recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before venting the Freon . Leave the valve in place after servicing the system. 2.4.1 CONDENSER 1.
  • Page 11 NOTES — Replacement of the refrigeration cycle. 1. When replacing the refrigeration cycle, be sure to 6. Recharge as follows : discharge the refrigerant system using a Freon 1) Refrigeration cycle systems are charged from the recovery System. High-side. If the total charge cannot be put If there is no valve to attach the recovery system, in the High-side, the balance will be put in the install one (such as a WATCO A-1) before venting...
  • Page 12 Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pinch-off tool capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. Figure 18A-Pulling Vacuum Figure 18B-Charging —12—...

  • Page 13: Installation

    3. INSTALLATION Dimension of air conditioner 3.1 HOW TO INSTALL THE UNIT " (626 mm) CAUTION • There are sharp edges that can cause serious cuts. • When lifting the air conditioner, it is HEAVY. Use 2 peoples to lift. "...

  • Page 14: Installation Kits Contents

    3.2 INSTALLATION KITS CONTENTS 1 Insulation Front (1 ea) 2 Insulation Horizontal (2 ea) (Adhesive backed) " " Sleeve Assembly (2,100 mm) (670 mm) (optional, including expanded aluminum metal grille) 3 Insulation Vertical (4 ea) 4 Support Block (4 ea) 5 Baffle (2 ea) Louvered Grille (Adhesive backed)

  • Page 15: Suggested Tool Requirements

    3.3 SUGGESTED TOOL REQUIREMENTS SCREWDRIVER(+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL 3.3.1 PREPARATION OF SLEEVE Width of the existing wall sleeve " (648 mm) " (70 mm) " (120 mm) 1. Remove the old air conditioner from the wall sleeve and prepare the wall sleeve.

  • Page 16: Unit Installation

    " Remove the backing from vertical and horizontal insulation and (6 mm) attach them to the inside of the wall sleeve as shown below. " Remove the backing from the support blocks and attach them (6 mm) Wall to the inside of the wall sleeve as shown below. Slide the baffles in the slots of the support blocks.

  • Page 17: Outside Dimensions

    4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS " " (499mm) (626mm) 4.2 PIPING SYSTEM CONDENSER COILS CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COILS Following is a brief description of the important components and their functions in the refrigeration system. Refer to Fig. 19 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle. ROOM AIR CONDITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS...

  • Page 18: Troubleshooting Guide

    4.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two causes. 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 is running but cooling is ineffective Ineffective Cooling Check of cold air circulation...
  • Page 19 Fails to Start Check of power source. Check of circuit breaker and fuse. Check of control switch Gas leakage of feeler bulb setting. of thermostat Check of control switch. Only compressor fails to Only fan fails to start. start. Improper wiring. Drop of power voltage.
  • Page 20 COMPLAINT CAUSE REMEDY Fan motor will not run. No power Check voltage at outlet. Correct if none. Power supply cord Check voltage to rotary switch. If none, check power supply cord. Replace cord if circuit is open. Rotary switch Check switch continuity. Refer to wiring diagram for terminal identification.

  • Page 21: Room Air Conditioner Voltage Limits

    COMPLAINT CAUSE REMEDY Compressor will not run, Voltage Check voltage. See the limits on the preceding. but fan motor runs. page. If not within limits, call an electrician. Wiring Check the wire connections, if loose, repair or replace the terminal. If wires are off, refer to wiring diagram for identification, and replace.
  • Page 22 REMEDY COMPLAINT CAUSE Compressor cycles Voltage Check the voltage. See the limits on the preced- on overload. ing page. If not within limits, call an electrician. Overload Check overload, if externally mounted. Replace if open. (If the compressor temperature is high, remove the overload, cool, and retest.) Fan motor If not running, determine the cause.

  • Page 23: Schematic Diagram

    5. SCHEMATIC DIAGRAM 5.1 CIRCUIT DIAGRAM • MODEL : BDE-103-A/BDE-123-A POWER INPUT BK(BR) WH(BL) (Plain) (Ribbed) ROTARY SWITCH GN/YL MOTOR OR(BR) CAPACITOR OR(BR) THERMOSTAT COMP BR(YL) O.L.P FUSE LINK HEATER BI-METAL WIRING DIAGRAM 3854AR3563D THERMOSTAT PART NO. Q'TY DESCRIPTION PER SET...

  • Page 24: Exploded View

    6. EXPLODED VIEW • MODEL: BDE-103-A/BDE-123-A 130900 135312 147582-1 147582-2 147581 435301 152302 749180 135313 352390 559011 349001 349480 753010 148000 W48602 753011 149980 354210 346811 554030 130410 349600 359012 249950 W48602 269310 266003 35211A 352113 567502 137215 554160 264110...

  • Page 25: Replacement Parts List

    7. REPLACEMENT PARTS LIST R: Service Parts • MODEL: BDE-103-A/BDE-123-A N: Non Service parts PART NO. LOCATION DESCRIPTION REMARK BDE-103-A BDE-123-A 249950 CONTROL BOX ASSY, SINGLE 4995A20408E 264110 POWER CORD ASSY 6411A20048L 266003 SWITCH, ROTARY 2H00598F 269310 THERMOSTAT ASSY 2H01127D...
  • Page 26 Specifications and performance data subject to change without notice. HEAT CONTROLLER, INC. 1900 WELLWORTH AVENUE • JACKSON, MICHIGAN 49203 THE QUALITY LEADER IN CONDITIONING AIR P/No.: 3828A20040F...

This manual is also suitable for:

Bde-123-a

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