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Room Air Conditioner
Service and Parts
Manual
Off
Med High
Fan Cool
Low Med
Temperature Fan Cool Mode
Warmer Cooler Low Cool
Slider Casement
115Volts • SV08A10 • SV10A10 • SV12A10
SV08 / SV10 / SV12 (01/03)
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CONTENTS 2.4 REFRIGERATION CYCLE ..............................9 1. PREFACE 2.4.1 CONDENSER.........................................9 1.1 SAFETY PRECAUTIONS................................2 2.4.2 EVAPORATOR.......................................9 1.2 INSULATION RESISTANCE TEST.................2 2.4.3 CAPILLARY TUBE ...............................10 1.3 SPECIFICATIONS...........................................3 1.4 FEATURES......................................................4 3. INSTALLATION 1.
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1.3 SPECIFICATIONS 1.3.1 FOR SV08A10 / SV10A10 / SV12A10 MODELS SV08A10 SV10A10 SV12A10 ITEMS POWER SUPPLY 115V, 60Hz COOLING CAPACITY (Btu/h) 8,000 10,000 12,000 INPUT (W) 840 1,050 1,260 RUNNING CURRENT (A) 7.7 9.6 11.5 . E.E.R (BTU/W h) 9.5 OPERATING INDOOR (°C) 26.7(DB)* 19.4(WB)** CONDITION OUTDOOR (°C) 35(DB)* 23.9(WB)** REFRIGERANT (R-22) CHARGE 460g(16.2 oz) 530g(18.7 oz) 510g(18.0 oz) EVAPORATOR 2 ROW 16 STACKS, SLIT FIN TYPE 3 ROW 16 STACKS, SLIT FIN TYPE 2 ROW 23 STAC
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Off M Fe ad n H C ig oh ol LF oa w n M C eo dol Temperature Warmer Cooler Low Cool Mode 1.4 FEATURES • Built-in adjustable THERMOSTAT • Designed for COOLING ONLY. • Washable one-touch filter • Powerful and whispering cooling. • Compact size • Simple installation and service. • Reliable and efficient rotary compressor is equipped. • Low air-intake, top cooled-air discharge. 1.5 CONTROL LOCATIONS 1.5.1 COOLING ONLY MODEL • VENTILATION The ventilation lever must be in the CLOSE position in order to
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Off M Fe ad n H C ig oh ol Temperature Warmer Cooler LF oa w n M C eo dol Mode Low Cool Off M Fe ad n H C ig oh ol Temperature Warmer Cooler LF oa w n M C eo dol Mode Low Cool Off Med High Fan Cool Low Med Temperature Warmer Cooler Fan Low Cool Cool Mode 2. DISASSEMBLY INSTRUCTIONS — Before the following disassembly, set POWER SWITCH to OFF and disconnect the power cord. 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Open the inlet grille downward and remove the air filter. 2. Remove the screws whic
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2.2 AIR HANDLING PARTS 2.2.1 AIR GUIDE 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 control box. (Refer to section 2.1.3) 4. Remove the 4 screws which fasten the brace. 5. Remove the brace. 6. Remove the 2 screws which fasten the upper air guide. (See Figure 4) 7. Remove the upper air guide. 8. Remove the 2 screws which fasten the Figure 4 evaporator. 9. Move the evaporator forward and pulling it upward slightly.
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2.2.3 SHROUD 1. Remove the fan. (Refer to section 2.2.2) 2. Remove the shroud. (See Figure 8) 3. Re-install the components by referring to the removal procedure, above. Figure 8 2.3 ELECTRICAL PARTS 2.3.1 OVERLOAD PROTECTOR 1. Remove the cabinet. (Refer to section 2.1.2) 2. Remove the nut which fastens the terminal cover. 3. Remove the terminal cover. (See Figure 9) 4. Remove all the leads from the overload protector. 5. Remove the overload protector. 6. Re-install the components by referring to
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Off Med High Fan Cool Low Med Temperature Fan Cool Warmer Cooler Mode Low Cool 2.3.3 CAPACITOR 1. Remove the cabinet. (Refer to section 2.1.2) 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 2.3.4 POWER CORD 1. Remove the cabinet. (Refer to section 2.1.2) 2. Disconnect the grounding screw from the control box. 3. Disconnect the 2
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2.3.7 MOTOR 1. Remove the cabinet. (Refer to section 2.1.2) 2. Remove the turbo fan. (Refer to section 2.2.1) 3. Remove the fan. (Refer to section 2.2.2) 4. Remove the 4 screws which fasten the motor from the Motor Mount. (See Figure 15) 5. Remove the motor. 6. Re-install the components by referring to the removal procedure, above.(See Figure 15) 2.4 REFRIGERATING CYCLE Figure 15 2.4.1 CONDENSER CAUTION Discharge the refrigerant system using a TM Freon Recovery System. If there is no valve to at
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2.4.3 CAPILLARY TUBE 3. Remove the capillary tube. 1. Remove the cabinet. (Refer to section 2.1.2) 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 — Replacement of the refrigerant. 6. Recharge as follows : 1. When replacing the refrigerant, be sure to TM Discharge the refrigerant system using a Freon 1) Refrigeration cycle systems are charged from recovery System.
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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 18B-Charging Figure 18A-Pulling Vacuum —11— COMPOUND GAUGE CONDENSER (HIGH PRESSURE SIDE) MANIFOLD GAUGE B A CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR (LOW PRESSURE SIDE) COMPRESSOR LOW HI A B A B EXTERNAL VACUUM PUMP CHARGING CYLINDER C
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3. INSTALLATION 3.1 HOW TO INSTALL THE UNIT Awning Fence 1. To avoid vibration and noise, make sure the unit is installed securely and firmly. Cooled air 2. Install the unit where the sunlight does not shine directly Heat on the unit. radiation If the unit receives direct sunlight, build an awning to shade the cabinet. 3. There should be no obstacle, like a fence, within 20" which might restrict heat radiation from the condenser. 1 About /4" 4. To prevent reducing performance, install the unit
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3.4 WINDOW REQUIREMENTS 1. These instructions are for a horizontal sliding or a For installation in a casement window, the window casement window. frame assembly and the side of the building must be adequate to support the weight of the air conditioner. 2. The electrical outlet must be within reach of the power cord. 1 21 /2" min. 21" min. 1 40 /2" max. 1 15 /2" min. 1 16 /2" max. 1 15 /2" min. Horizontal sliding window Casement window 3.5 INSTALLATION KITS CONTENTS Window Locking Curtain Frame
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Outside Wall Off M Fe ad n H C ig oh ol Temperature Warmer Cooler LF oa w n Low Cool M C eo dol Mode 3.6 HORIZONTAL SLIDING WINDOW INSTALLATION Bolt 1. Loosely attach the support bracket to the bottom of Bracket bracket using bolts, washers, and nuts. Attach the leveling bolt and nut. (See Figure 22) Washer Nut Leveling Bolt & Nut Support Bracket Figure 22 2. Remove protective backing from window track seal and apply seal to window track. (See Figure 23) Windo Windo Window jamb w jamb w jamb T T
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Off M Fa ed n Hi Cgh ool Low Med Temperature Warmer Cooler Fan Low Cool Cool Mode ed Off High M Fan Cool Temperature Warmer Cooler LF oa w n Low Cool M C eo dol Mode 8. Slide curtain into curtain frame. Slide curtain frame assembly into side guides of the air conditioner Curtain Frame cabinet. Make sure curtain is firmly enclosed on all sides by the frame. (See Figure 27) Figure 27 Curtain 9. Cut side guide seal into 2 equal lengths. Remove protective backing and apply it to the rear side of cab
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4. TROUBLESHOOTING GUIDE 4.1 OUTSIDE DIMENSIONS Unit: mm(inchs) 3 1 607(23 / ) 368(14 / ) 5 2 4.2 PIPING SYSTEM CONDENSER COIL FAN 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. 31 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle. ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS VAPOR INLET SUCT
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4.3 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 runs but poor cooling. Ineffective Cooling Check cold air circulation Check outdoor coil Check heat load for smooth flow. (heat exchanger) & the fan increase. operation. Clean condenser. Dirty indoor coil Check
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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. Drop of power voltage. Improper thermostat setting. Defect of fan motor capacitor. Defect of compressor capacitor. Loose terminal connection. Irregular motor resistance ( ). Capacitor check. Irregular motor insulation ( ). Improper wiring. Replacemen
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ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 115V ±10% 103.5V 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. Replace cord if circuit is open. Rotary switch Check switch continuity. Refer to wiring diagram for terminal identification. Replace switch if defective. Wire disconnected or Connect wire. Refer to wiring diagram for termina
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COMPLAINT CAUSE REMEDY Compressor will not run, Thermostat Check the position of knob If not at the coldest but fan motor runs. setting, advance the knob to this setting and restart unit. Check continuity of the thermostat. Replace thermostat if circuit is open. Capacitor (Discharge Check the capacitor. capacitor before servicing.) Replace if not within ±10% of manufacturers rating. Replace if shorted, open, or damaged. Compressor Check the compressor for open circuit or ground. If open or groun
