Page 2 - SERVICE MANUAL; SAFETY PRECAUTIONS; CONTENTS
—2— 1. PREFACE 1.1 SAFETY PRECAUTIONS ...............................2 1.2 INSULATION RESISTANCE TEST.................2 1.3 SPECIFICATIONS ..........................................3 1.4 FEATURES ..................................................... 4 1.5 CONTROL LOCATIONS .............................
Page 3 - MODELS
BG-101A —3— 1.3 SPECIFICATIONS 1.3.1 FOR BG-81A/BG-101A/BG-123A POWER SUPPLY COOLING CAPACITY (Btu/h) INPUT (W) RUNNING CURRENT (A) E.E.R (Btu/w.h) REFRIGERANT (R-22) CHARGE(g) OPERATING INDOOR (°C) TEMPERATURE OUTDOOR (°C) EVAPORATOR CONDENSER FAN, INDOOR FAN, OUTDOOR FAN SPEEDS, FAN/COOLING FAN MO...
Page 4 - • Designed for cooling only.; CONTROL LOCATIONS; • Built in adjustable THERMISTOR and THERMOSTAT.; • VENTILATION; PULL OPEN / PUSH CLOSE; TEMP; CAUTION
1.4 FEATURES • Designed for cooling only. • Powerful and quiet cooling.• Top-down chassis for the simple installation and service. 1.5 CONTROL LOCATIONS 1.5.1 COOLING ONLY MODEL• OPERATION • Side air-intake, side cooled-air discharge. • Built in adjustable THERMISTOR and THERMOSTAT. • Washable one-t...
Page 5 - DISASSEMBLY INSTRUCTIONS; Figure 1; Figure 3
— 5 — 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Open the inlet grille downward.2. Remove the screw which fastens the front grille.3. Pull the front grille from the right side.4. Remove the front grille. (See Fig. 1)5. Re-install the component by referring to the removal procedure. 2.1.2 CABINET 1. ...
Page 6 - Figure 7; AIR HANDLING PARTS; Move the evaporator sideward carefully.; Figure 4
Figure 7 — 6 — 2.2 AIR HANDLING PARTS 2.2.1 ORIFICE, 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. 4) 4. Move the evaporator sideward c...
Page 7 - . Leave the valve in place after; Figure 9
— 7 — 2.2.3 SHROUD 1. Remove the fan. (Refer to section 2.2.2)2. Remove the shroud. (See Fig. 9)3. Re-install the components by referring to the removal procedures, above. 2.3 ELECTRICAL PARTS 2.3.1 MOTOR 1. Remove the cabinet. (Refer to section 2.1.2)2. Remove the clamp cord and disconnect the wire...
Page 8 - If the supply cord of this appliance is damaged, it
— 8 — 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 Base pan. 4. Disconnect 2 receptacles.5. Remove a screw which fastens the clip cord.6. Pull the power cord. (See Fig. 13)7. Re-insta...
Page 9 - REFRIGERATION CYCLE
— 9 — 2.4 REFRIGERATION CYCLE 2.4.1 CONDENSER 1. Remove the cabinet. (Refer to section 2.1.2)2. Remove the brace. (Refer to section 2.2.1) 3. Remove the 7 screws which fasten the condenser.4. After discharging the refrigerant completely into a Freon TM Recovery System, unbraze the interconnecting tu...
Page 10 - NOTES
— 10 — — 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 the valve i...
Page 11 - Figure 17A-Pulling Vacuum
— 11 — 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, Servicevalve. A COMPOUND GAUGE EVAPORATOR(LOW PRESSURE SIDE) COMPRESSOR CAPILLARY TUBE CONDE...
Page 12 - INSTALLATION REQUIREMENTS; If you use an existing wall sleeve,; ELECTRICAL SERVICE; Air Conditioner; FRIEDRICH USC Wall Sleeve
— 12 — 3. INSTALLATION 3.1 INSTALLATION REQUIREMENTS If you use an existing wall sleeve, you should measure its dimensions.Install the new air conditioner according to these installationinstructions to achieve the best performance. All wall sleevesused to mount the new air conditioner must be in goo...
Page 13 - ITEMS IN INSTALLATION HARDWARE; HOW TO INSTALL; Installing the; Heat Controller; Procedure
— 13 — 3.2 INSTALLATION • Pick a location which will allow the conditioned air to blow into the area you want. Good installation with specialattention to the proper position of the unit will lessen thechance that service will be needed. ITEMS IN INSTALLATION HARDWARE You may not need all parts in th...
Page 14 - PROCEDURE; If you are using the new sleeve (optionally; or; Fasten the screws and the bracket; Wall; • Air conditioners covered in this manual pose an; Install the new unit into the wall sleeve.
PROCEDURE If you are using the new sleeve (optionally A supplied with your unit),skip to step 3.Otherwise, install the plastic grille from the kit.Cut the plastic grille to 25-1/2" wide and15-1/4" high. Place the plastic grille to theinside of the wall sleeve at the rear flange. Fasten the 4...
Page 15 - PROCEDURE B; If the depth of your existing wall sleeve is less; cut the baffles and the support blocks according
— 15 — PROCEDURE B Redirect the louvers at the back of the wallsleeve to 60° angle as shown in the FIG 8 . The use of pliers is recommended. If the wall sleeve already has a rear grille, skipto step 4. If the wall sleeve does not have a reargrille or louvered panel, install the plastic grillefrom th...
Page 16 - PROCEDURE B CONTINUED; Slide the baffle into slots of the support blocks.
— 16 — PROCEDURE B CONTINUED Remove the backing from the support blocks and attachthem to the inside of the wall sleeve as shown FIG 29 . Slide the baffle into slots of the support blocks. Install the new unit into the wall sleeve. Assemble trim as described in Step 6, Procedure A. 8 Wall Wall Sleev...
Page 18 - Parts; PROCEDURE C CONTINUED; strips and attach them as shown below in Fig.; Assemble trim as described in Step 6,
— 18 — 7 1" high 3 / 4 " High Shim (2EA) 6" 6" FIG. 3 7 • Air conditioners covered in this manual pose an excessive weight hazard. Two or more people areneeded to move and install the unit.To prevent injury or strain, use proper lifting andcarrying techniques when moving unit. • When...
Page 19 - TROUBLESHOOTING GUIDE; OUTSIDE DIMENSIONS; ROOM AIR CONDITIONER
— 19 — 4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS 20- 3 / 32 " (499mm) 24" (610mm) 14- 13 / 32 " (366mm) MODE TIMER POWER FAN SPEED Fan Energy Saver Cool Timer TEMP 'F F1 LOWF2 MEDF3 HIGH CONDENSER COILS EVAPORATOR COILS FAN MOTOR : REFRIGERANT FLOW TURBO FAN CAPILLARY TUBE COMPRESS...
Page 20 - TROUBLESHOOTING GUIDE; Unit is running but cooling is ineffective
— 20 — 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 AirConditioning caused by a defect in the refrigeration circuit and improper application. Unit is runni...
Page 21 - Fails to Start
— 2 1 — Fails to Start Check circuit breakerand fuse. Gas leakage at feeler bulbof thermostat Check control switch. Only fan fails to start. Improper wiring. Defect of fan motorcapacitor. Irregular motor resistance( ).Irregular motor insulation( ). Replacement of fan motor Regular but fails to start...
Page 23 - ROOM AIR CONDITIONER VOLTAGE LIMITS
— 2 3 — NAME PLATE RATING MINIMUM MAXIMUM 115V 103.5V 126.5V 208/230V 187V 253V COMPLAINT CAUSE REMEDY Check voltage. See the limits on the preceding.page. If not within limits, call an electrician. Check the wire connections, if loose, repair orreplace the terminal. If wires are off, refer to wirin...
Page 24 - Voltage
— 2 4 — COMPLAINT CAUSE REMEDY Check the voltage. See the limits on the preced-ing page. If not within limits, call an electrician. Check overload, if externally mounted.Replace if open. (If the compressor temperatureis high, remove the overload, cool, and retest.) If not running, determine the caus...
Page 26 - THE QUALITY LEADER IN CONDITIONING AIR
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.: 3828A20294V 04/18/07
