Related Manuals for Heat Controller Comfort-Aire CD-121
Summary of Contents for Heat Controller Comfort-Aire CD-121
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Page 1: Service Manual
HEAT CONTROLLER, INC. Window-Type Air Conditioner MODELS: CD-121 CD-101-5 Service Manual CAUTION -Before servicing the unit, read the "safety precautions" in this manual. -Only for authorized service personnel. -
Page 2: Table Of Contents
Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions............................3 Dimensions ..............................5 Outside Dimensions ...........................5 Product Specifications ..........................6 Installation ...............................7 Select the Best Location ...........................7 How to Install..............................7 Installation Kits Content(Some Models) .....................7 How to secure the Drain Pipe........................9 Operation ..............................10 Features ..............................10 Insulation Resistance Test........................10 About the Controls on the Air conditioner ....................10... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. - Page 4 Safety Precautions Installation Never touch the metal parts of the unit when Do not block the inlet or outlet. removing the filter. • They are sharp and may cause injury. • It may cause failure of appliance or accident. Ensure that the outer case is not damaged by age Be cautious not to touch the sharp edges when or wear.
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Page 5: Dimensions
Dimensions Dimensions Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. NOTICE Outside Dimensions Model All Model Dimension mm(inch) -
Page 6: Product Specifications
Product Specifications Product Specifications MODELS CD-101-5 CD-121 ITEMS POWER SUPPLY 115V/60Hz COOLING CAPAC (Btu/H) 10,000 1 , 00 INPUT 1,050 1, 0 RUNNING CUR E.E.R (BTU/W·h) INDOOR （℃） 26.7(DB)* 19.4(WB)** OPERATING CONDITION OUTDOOR （℃） 35(DB)* 23.9(WB)** REFRIGERANT（R-22）CHARGE 480g(16.9oz) 655g(23.1oz) EVAPORATOR... -
Page 7: Installation
Installation Installation Installation Kits Contents NAME OF PARTS Curtain Curtain Frame Upper Guide Side Guide Support Bracket Bracket Leveling Bolt & Nut Bolt Washer Side Guide seal Foam Seal Strip Window Track Seal Window Locking Bracket Screw (Type A) Screw (Type B) Screw (Type C) Window Requirements 1. -
Page 8: How To Install
Installation How to Install the Unit 1. To prevent vibration and noise, make sure the unit is installed securely and firmly Awning Fence 2. Install the unit where the sunlight does not shine directly on the unit. Cooled air 3. The outside of the cabinet must extend outward for at Heat radiation least 14"... - Page 9 Installation Horizontal Sliding Window Installation 1. Loosely attach the Support Bracket to the bottom of Bolt Bracket using Bolts, Washer, and Nuts. Attach the Bracket Leveling Bolt and Nut. (Fig. 1) Washer 2. Remove protective backing from Window Track Seal Leveling Bolt &...
- Page 10 7. Measure height of window opening from top of Bracket assembly as shown Fig. 5. Subtract 20-3/4 inches. Mark this measurement on Curtain and cut the Curtain. (Fig. 5) Fig. 5 8. Slide Curtain into Curtain Frame. Slide Curtain Frame assembly into side Guides of the Air Conditioner cabinet.
- Page 11 Check all seals and plug any remaining air NOTICE Foam seal strip gaps with a suitable weatherproof caulk. 14. If this is a casement window installation, proceed to Casement Window Installation. If not, stuff the Foam Seal Strip between the verti- cal sash and the window glass.
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Page 12: Operation
Operation Operation Controls The remote control and control panel will look like those represented in the following pictures. Power Temp Fan Speed Timer Mode Remote Control Operations 1. POWER 4. FAN SPEED • To turn the air conditioner ON, push this button. To turn •... -
Page 13: Disassembly
Disassembly Disassembly - Before the following disassembly, set POWER SWITCH to OFF and disconnect the power cord. Mechanical Parts 1. Front Grille 1. Open the inlet grille downward and remove the air filter. 2. Remove the screws which fasten the front grille.(See Figure 1) 3. -
Page 14: Air Handling Parts
Disassembly Air Handling Parts 4. Air Guide and Turbo 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 which fasten the brace. 5. -
Page 15: Electrical Parts
Disassembly 5. Shroud 1. Remove the fan. (Refer to section 2.5) 2. Remove the shroud. (See Figure 8) 3. Re-install the components by referring to the removal procedure, above. Figure 8 Electrical Parts 6. Overload Protector 1. Remove the cabinet. (Refer to section 2) 2. -
Page 16: Power Cord
Disassembly 8. Capacitor 1. Remove the cabinet. (Refer to section 2) 2. Remove the screw and the clamp which fastens the capacitor. 3. Disconnect all the leads of capacitor terminals. 4. Re-install the components by referring to the removal procedure, above. (See Figure 11) Figure 11 9. -
Page 17: Refrigerating Cycle
Disassembly 11. Motor 1. Remove the cabinet. (Refer to section 5) 2. Remove the turbo fan. (Refer to section 5) 3. Remove the fan. (Refer to section 6) 4. Remove the 4 screws which fasten the motor from the Motor Mount. (See Figure 14) 5. -
Page 18: Capillary Tube
14. Capillary Tube 3. Remove the capillary tube. 1. Remove the cabinet. (Refer to section 2) 4. Re-install the components by referring to notes. 2. After discharging the refrigerant completely, unbraze the interconnecting tube at the capillary tube.(See caution above) NOTES —... - Page 19 Disassembly Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. Figure 17B-Charging Figure 17A-Pulling Vacuum Service Manual 19...
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Page 20: Schematic Diagram
Schematic Diagram Wiring Diagram LED out2 Option2 LED out1 Option1 LED out0 Pipe TH KEY1 Room TH VAref KEY0 SLIDE SW Osc out SEG-g Osc in /Reset SEG-f SEG-e TEST SEG-d 20 Room Air Conditioner... -
Page 21: Wiring Diagram
Schematic Diagram Wiring Diagram CASEMENT_10K CASEMENT_12K WIRING DIAGRAM CN-MOTOR CN-MAIN1 CN-DISP1 GN/YL CN-MAIN2 CN-DISP2 MOTOR DISPLAY PCB ASSEMBLY CAPACITOR POWER CN-TH1 TRANS CN-PWR SWITCH DC12V CN-12V FUSE Ribbed 250V/T2A (115V/T2A) H.V. CN-HVB ASSEMBLY Plain GN/YL RY-COMP COMP. MAIN PCB ASSEMBLY AIR FILTER ASSEMBLY 3854AR3629N... - Page 22 Components Location Main P.W.B Assembly Main P.W.B Assembly Display P.W.B Assembly 22 Room Air Conditioner...
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Page 23: Troubleshooting Guide
Troubleshooting Guide Troubleshooting Guide Piping System CONDENSER COIL CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COIL Following is a brief description of the important components and their functions in the refrigeration system. Refer to Fig. 18 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle. ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS... -
Page 24: Troubleshooting Guide
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 Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit is running but cooling is ineffective. - Page 25 Troubleshooting Guide Fails to Start Check of power source. Check circuit breaker and fuse. Check of control switch Gas leakage of feeler bulb setting. of thermostat Check of control switch. Compressor only fails to Fan only fails to start. start. Improper wiring.
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Page 26: Room Air Conditioner Voltage Limits
Troubleshooting Guide Room Air Conditioner Voltage Limits NAME PLATE RATING MINIMUM MAXIMUM AC 115V ±10% AC 103.5V AC 126.5V 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. - Page 27 Troubleshooting Guide COMPLAINT CAUSE REMEDY Compressor will not run, Thermistor Check the TEMP control. If not at the lowest number, but fan motor runs. set TEMP control to this setting and restart the unit. Check the continuity of the thermistor. Replace the thermistor if the circuit is open.
- Page 28 Specifications and performance data subject to change without notice. HEAT CONTROLLER, INC. 1900 WELLWORTH AVENUE • JACKSON, MICHIGAN 49203 THE QUALITY LEADER IN CONDITIONING AIR 04/18/07 P/No.: MFL36458901...