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technical & service manual window type air
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1. SA 99G Unit Display and Control Panel VENTILATOR lever Close WAIT 3 MINUTES BEFORE RESTARTING THERMOSTAT JIN knob Ng lt ggs 0 5 SELECTOR switch 0 Off 933 High Fan AUTO DEFLECTOR E ow Fan switch Low Cool N gt High Cool 25 SANYO SANYO Electric Co Ltd Osaka Japan SM700402 06 99 200 Printed in Japan
2. Na ab pa aka 24 9 7 Removing Propeller 24 relie aa aa DE ants aa Ena b Ena a ngaba ajak ng a a ag 24 APPENDIX Unit Display and Control Panel 25 1 OPERATING Temperature Indoor Air Intake Temp Outdoor Air Intake Temp 32 D B 29 0 WB 43 C DB oolin 19 0 DB 14 C W B 19C DB 2 SPECIFICATIONS 2 1 Unit Specifications Model SA 79G Voltage rating 220 230 240 V Performance Cooling Capacity kW 2 10 2 10 BTU h 7 200 7 200 Air circulation High Moisture removal High Liters h Electrical Rating Available voltage range Airflow direction Indoor Horizontal Vertical Rotary Hermetic R22 480 Capillary tube Operation sound Indoor Hi Lo dB A 45 41 Outdoor Hi Lo dB A 52 47 Slide out chassis Yes Accessories Dimensions amp Weight Unit dimensions Package dimensions Height Wiath Depth Weight Net kg Shipping kg Shipping volume m Remarks Rating conditions are Cooling Indoor air temperature 27 C 19 W B Outdoor air temperature 35 24 W B DATA SUBJECT TO CHANGE WITHOUT NOTICE Model SA 99G Voltage rating 220 230 240 V Performance Cooling Capacity 2 55 BTU h 8 700 Air circulation High m h Moisture removal High Liters h W 97 97 95 Power facto
3. Check compressor motor Overload relay is working capacitor YES Measure resistance of Temperature of compressor compressor motor winding is abnormally high YES Refrigerant gas shortage NO YES Charge refrigerant gas R22 Measure power supply voltage Rotor may be locked up The voltage is too low f the unit is turned off during cooling DO NOT restart it immediately as this can damage it Wait at least three minutes before starting it again 17 7 4 Air conditioner operates but abnormalities are observed 7 4 1 Poor cooling Temperature difference Measure temperature of suction and 5 small Possibility of Charge refrigerant discharge air of air conditioner gas shortage gas R22 Temperature difference between suction and discharge air is large enough approx 10 deg or more Check for clogging of air filter Clean filter Air filter is clogged YES Fan speed is set to LOW cooling load the air conditioner with larger capacity Review cooling load estimate if performance of air conditioner is normal 7 4 2 Excessive cooling NO Set temperature to higher e Set temperature is suitable value using thermostat on the control panel 18 8 CHECKING ELECTRICAL COMPONENTS 8 1 Measurement of Insulation Power plug Resistance Field supply d The insulation is in good condition if the resista
4. wires and connectors Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly connected Check that wiring is correct 13 7 2 Air conditioner does not operate 7 2 1 Circuit breaker trips or fuse blows A When the circuit breaker is set to ON it is tripped soon Resetting is not possible There is a possibility of ground fault Check insulation resistance If resistance value is 2 or less insulation is defective Wall outlet Receptacle Power plug Field supply Power Window type air conditioner supply WARNING Set circuit breaker to OFF 1 Pull the power plug out of the wall outlet NO Insulation of unit is defective e Measure insulation resistance of unit e Measure insulation resistance of electrical parts Example Compressor Fan motor Capacitor Relay etc 1 If any poorly insulated part is found exclude that part from circuit with other parts properly connected and then measure insulation resistance of entire air conditioner again to locate defective part 2 Replace defective part with new one 14 B Circuit breaker trips in several minutes after turning the air conditioner There is a possibility of short circuit Check capacity of circuit breaker Replace with suitable Capacity of circuit breaker is one larger capacity suitable e Measure resistance of fan mo
5. 20 1240 V Single phase 50Hz Rating Conditions Running Amps 0 42 0 45 4 08 3 95 4 5 4 4 Power Input kW 0 095 0 110 0 865 0 890 0 96 1 00 Full Load Conditions Running Amps Al 0 42 0 45 6 28 4 95 6 7 5 4 Power Input kW 0 095 0 110 1 235 1 160 1 33 1 27 Rating Conditions Indoor Air Temperature 27 D B 19 C W B Outdoor Air Temperature 35 Full Load Conditions Indoor Air Temperature 32 23 C W B Outdoor Air Temperature 43 C D B 11 6 2 Electrical Wiring Diagrams Model SA 79G To avoid electrical shock hazard be sure to SA 99G WOW disconnect power before checking servicing and or cleaning any electrical parts TERMINAL PLATE BR TOH BL OVERLOAD RELAY AUTO DEFRECTOR MOTOR ROOM THERMOSTAT CAPACI TOR n gt amp L AUTO DEFRECTOR SWITCH pe FAN MOTOR WHT POWER RED PNK BRN 3 CAPACI TOR COMPRESSOR MOTOR I GRN YEL BLK 8512 5253 525 0 DATA SUBJECT CHANGE WITHOUT NOTICE 12 7 TROUBLESHOOTING 7 1 Check and after troubleshooting NE Hazardous voltage can cause ELECTRIC SHOCK or DEATH Disconnect power or turn off circuit breaker before you start checking or servicing 7 1 1 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied 7 1 2 Check lead
6. 4 1 45 23 1 84 1 64 25 2 03 1 84 27 2 23 2 04 29 2 42 2 14 31 SHC 2 51 2 14 1 97 Pow om 058 os oe osr CM 0 70 075 0 80 0 86 097 1 07 21 1 16 23 1 36 25 1 55 27 1 75 29 31 21 1 94 2 17 SHC 11 299 286 273 260 244 225 072 077 083 0 89 1 00 1 10 19 23 25 27 29 31 oss 113 0 74 0 80 0 85 0 91 1 02 1 13 23 25 27 29 31 __ or ose tos CM 0 75 0 82 0 87 0 94 1 05 1 16 25 SHC 27 SHC 29 SHC 31 SHC Total Cooling Capacity kW SHC Sensible Heat Capacity kW CM Compressor Input kW Rating conditions Mark are Outdoor Ambient Temp 35 Indoor Unit Entering Air Temp 27T D B 19T W B 10 6 ELECTRICAL DATA 6 1 Electrical Characteristics Model SA 79G Complete Uni Performance at 220 240 V Single phase 50Hz Rating Conditions Running Amps 0 38 0 40 3 22 3 00 5 Full Load Conditions Running Amps 0 38 0 40 5 12 3 80 55 42 Power Input kW 0 086 0 099 1 014 0 891 1 10 0 99 Rating Conditions Indoor Air Temperature 27 19 W B Outdoor Air Temperature 35 Full Load Conditions Indoor Air Temperature 32 D B 23 W B Outdoor Air Temperature 43 6 3 4 Power Input 0 086 0 099 0 684 0 701 0 77 0 80 5 42 Model SA 99G Compressor Complete Uni 2
7. AN A 6 Nie MI c 7 REFRIGERANT FLOW DIAGRAM anenun een oaa se En du taa oaa 8 PERFORMANCE DATA FE COORG mm 9 ELECTRICAL DATA Gals mE 11 6 2 Electric Wiring Diagrali NR 12 TROUBLESHOOTING 7 1 Check before and after troubleshooting 13 7 2 Airconditioner d0 s NGL operate 14 7 3 Some part of air conditioner does not operate 16 7 4 Air conditioner operates but abnormalities are observed 18 8 CHECKING ELECTRICAL COMPONENTS 8 1 Measurement of Insulation Resistance 27 8 2 Checking Motor KENA ga kaa gana aana Lang 20 22 Checking Fan Motor WINdING usce sani 20 8 4 Checking Compressor Motor Winding 20 9 DISASSEMBLY PROCEDURES P MOYING FTONE GANG aa NA AKA ap aa AA Ka ESS 21 9 2 Removing naa aa m uU em 22 9 3 Removing Electrical Component 22 9 4 Removing Evaporalor ssseses nenen anana naen TU TU 23 9 5 Removing Blower Wheel 23 9 6 Removing
8. CED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM All wiring must conform to local electrical codes Each unit must be properly grounded with a ground or earth wire or through the supply wiring DO NOT under any circumstances cut or remove the third ground prong from the power cord plug DO NOT use an adapter Plug or extension cord DO NOT use a damaged power cord plug or wall outlet Replace them immediately DO NOT change the internal wiring or any part of the system DO NOT turn the air conditioner on and off by plugging and unplugging Use the Operation switch When Transporting Be careful when picking up and moving the air conditioner Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing Place of Installation f possible install the unit in a shady location If the site is exposed to the sun you should provide a sun screen as shown in Fig a Install it at a spot where optimum cooling circulation can be obtained No chairs or other obstructions are allowed in front of the air conditioner The back of the air conditioner must extend outside Be sure the right and left intake vents are not obstructed by walls or windows Keep more than 50 cm from any outside obstruction wall bush etc To provide water drainage the unit must be tilted at a d
9. TECHNICAL amp SERVICE SANYO 5 790 SA 99G WINDOW TYPE AIR CONDITIONER SA 79G A 1 851 005 18 General 50 2 Europe SA 99G A 1 851 005 19 NAN TT TTT REFERENCE NO 700402 IMPORTANT Please Read Before Starting This air conditioner meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system So it operates safely and efficiently For safe installation and trouble free operation you must Carefully read the INSTRUCTION MANUAL and INSTALLATION INSTRUCTIONS attached to each air conditioner before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIEN
10. TICE Safety devices Type Operating temp Model SA 99G Controller Control circuit fuse Remote Control Unit MM Compressor Type Rotary Hermetic Compressor model Source Nominal output Compressor oil Amount Coil resistance Ambient temp 25 2P17C225AND 220 240V 1 phase 50Hz 920 SUNISO 4GDID 350 3 61 C S 4 97 External protector MRA98776 Automatic opening Safety devices Overload relay Operating temp Automatic reclosing Operating amp Ambient temp 25 Run capacitor Fan amp Fan Motor Indoor Outdoor Propeller 228510907 Coil resistance Ambient temp 20 Q WHT BRN 212 WHT VLT 52 VLT YEL 13 YEL RED PNk 119 Coil Evaporator Hows Fin pitch m Face area me 0 070 0 115 DATA SUBJECT TO CHANGE WITHOUT NOTICE Safety devices Operating temp 2 3 Other Component Specifications Model SA 79G SA 99G Auto Deflector Motor MA062299 Rating AC 200 240V 50 60Hz 20mA 4W 5 0 6 0 rom Coil resistance at 20 C 9 92 3 DIMENSIONAL DATA Model SA 79G SA 99G 241 440 605 46 228 2 Slits for 52 ventilation Side view L Power code Front view Power code Side view R outlet outlet Unit mm Dimension with lt mark indicates the maximum allowable wall thickness required for ventilating the unit 4 REFRIGERANT FLOW DIAGRAM SA 79G Model Comp
11. bottom portion of the grille toward you while paying attention to the ventilator lever Fig 2 and 4 Pulling out too far on the bottom of the grille at this point could damage the tabs at the top Do not pull the grille out more than 100 mm 5 After confirming that the ventilator lever has been disengaged from the grille vent slide the grille upward to free the two tabs at the top of the grille from the rectangular holes in the top of the cabinet Fig 3 and 4 Air deflection grille wm m Ventilator lever Pull out 70mm 100mm Fig 2 Grille Cabinet Fig 3 9 2 Removing Cabinet 1 Remove screws A and B Fig 5 2 Remove the front grille Refer to 9 1 Removing Front Grille 3 Remove the stopper screw attached to the base pan Screw B of the unit Fig 6 4 While holding top of the cabinet with one hand o grasp the handle with another hand and pull the unit Screw A toward you Fig 7 Fig 5 Fins of evaporator are sharp and may cause injury if handled improperly be careful when you deal with those parts 9 3 Removing Electrical Component Box 1 Remove the air deflection grille Fig 8 2 Remove screws securing the electrical component box Fig 9 3 Remove screw holding the lid of the electrical component box Fig 10 1 9 4 Removing Evaporator 1 Remove the top plate Fig 11 2 Remove scr
12. ews holding evaporator Fig 11 3 Grasp lower portion of the evaporator with both hands and tilt it slightly and lift it carefully from the drain pan so as not to distort the copper tube 9 5 Removing Blower Wheel 1 Loosen a nut holding blower wheel on motor shaft using hex wrench Fig 12 2 Extract the blower wheel from the motor shaft 23 Fig 12 9 6 Removing Condenser 1 Remove the top plate Fig 11 2 Remove screws holding condenser Fig 13 3 Grasp lower portion of the condenser with both hands and tilt it slightly and lift it carefully from the base pan so as not to distort the copper tube Top view Fig 14 9 7 Removing Propeller Fan 1 Remove the condenser Refer to 9 6 Removing Condenser 2 Loosen a nut holding propeller fan on motor shaft using hex wrench Fig 15 To loose the nut securing the propeller fan hold the fan with one hand and turn the nut COUNTERCLOCKWISE with another hand 3 Extract the propeller fan from the motor shaft 9 8 Removing Fan Motor 1 Remove blower wheel Refer to 9 5 Removing Blower Wheel 2 Remove propeller fan Refer to 9 7 Removing Propeller Fan 3 Disconnect motor lead wires 4 Remove 3 screws of the fan motor mounting plate with a philip screwdriver Fig 16 5 Disengage the fan motor from the mounting plate Fig 11 24 CUNUNIE NUKE Model SA 79G
13. n The range of deflection and deflection time differ according to the capacity of the capacitor 8 3 Checking Fan Motor Winding Referring to the electrical diagram disconnect fan motor connectors and measure the resistance between each lead wire with a tester The tester should be set in the X1 range If the fan motor is hot allow a few minutes until it gets cooled down When the resistances between each lead wire are those listed in 2 2 Major Component Specifications the fan motor should be normal 8 4 Checking Compressor Motor Winding 2 5 Compressor motor Checking compressor motor winding can be done in the Fig 5 similar the terminal cover of the compressor motor set the resistance measuring range of the multimeter to X1Q and check the continuity between each pair out of the 3 terminals as shown in Fig 5 Refer to 2 2 Major Component Specifications for coil resistance 20 9 DISASSEMBLY PROCEDURES Model SA 79G SA 99G These illustrations are based on typical view of a standard model Consequently the shape may differ from that of the air conditioner which you are servicing 9 1 Removing Front Grille 1 Open the air intake 2 Remove the screw holding the grille in place Fig 1 3 Slide the side of the grille to the left and right to disengage the tabs on the left and right sides of the grille from the slots 4 Pull the
14. nce exceeds 2 8 1 1 Power Cord and Unit Clamp the grounding prong of the power plug with a lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the two power The shape Dr the power plug may differ from that of blade Fig 1 the air conditioner which you are servicing Then also measure the resistance between the grounding prong and other power blade Fig 1 8 1 2 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate switch capacitor etc Similarly disconnect the connector Then measure the insulation resistance E Figs 2 to 3 IE Refer to Electric Wiring Diagram Copper tube or metallic part If the probe cannot enter the poles because the hole is too Insulation narrow then use probe with a thinner pin tester Fig 2 From fan motor compressor and other parts Metallic part Clip Insulation tester Fig 3 19 8 2 Checking Motor Capacitor the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 4 Observe the deflection of the pointer setting the resistance measuring range of the multimeter to the maximum value Multimeter The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original positio
15. oduce dangerously toxic gas HOW USE THIS MANUAL This manual is designed to help service personnel to understand basic functions operation and possible troubles and their remedies on SANYO window type air conditioners You can use this manual both as reference to find specific information about the capacity construction of the unit and as a source of information to help you set up and maintain the air conditioner Please use this manual to make your work easier keep the air conditioner functioning well and keep your customer satisfied Please read IMPORTANT precautional information on the previous page before you start actual work SANYO WINDOW TYPE A C NOMENCLATURE SANYO window type air conditioner is identified by a model number Cooling or heating capacity electrical information and special features included on the air conditioner are indicated on the model number Example SA 79G SA SANYO window type A C Capacity Special Features 7 7 000 BTU h class G Mechanical Control 9 9 000 BTU h class Cooling Model Side Air Discharge Design Number To identify the correct model number of your air conditioner you must find the nameplate Table of Contents Page s OPERATING PLANG cc 1 SPECIFICATIONS PEE Esse ee NT mm 2 2 2 Major Component Specifications 4 2 3 Other Component SDecITICallOFiSsussestuseces veste uen ANANE Na KANA
16. ownward angle 0 5 to 1 cm to the outside Screen Wall Outside Room side Front grille Support Enough space from obstacle or wall Tilt 0 5 to 1 downward to outside Fig While installing the air conditioner be sure to loosen the compressor locking nuts to avoid abnormal noise and vibration NOTE Locking nuts are not provided on some models As a Safety measure it is recommended that two people install the unit one to hold and balance the unit the other to lower the window frame to secure the unit Hold the unit securely and be careful to not drop the cabinet or any parts if the air conditioner is being installed on an upper floor of a multistory building When Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of tools have been left inside the unit being serviced Others Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can pr
17. r Yo WIW Starting ampere A 18 Mechanical Thermostat Airflow direction Indoor Horizontal Auto Vertical Manual Washable Yes Rotary Hermetic R22 650 Capillary tube Operation sound Indoor Hi Lo dB A 46 42 Outdoor Hi Lo dB A 53 48 Slide out chassis Yes Accessories Dimensions amp Weight Unit dimensions Package dimensions Height Wiath Depth Weight Net Shipping kg m Shipping volume Remarks Rating conditions are Cooling Indoor air temperature 27 C 19 W B Outdoor air temperature 35 24 W B DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 2 Major Component Specifications Model SA 79G Controller PCB Control circuit fuse Remote Control Unit Compressor Type m Rotary Compressor model Source Nominal output Compressor oil Amount Coil resistance Ambient temp 25 2P14C225AND 220 240V 1 phase 50Hz 725 SUNISO 4GDID 270 C R 4 48 C S 5 25 External protector MRA98854 9201 Automatic opening Safety devices Overload relay Operating temp Automatic reclosing Operating amp Ambient temp 25 Run capacitor Fan amp Fan Motor Indoor Outdoor Propeller 228510907 Coil resistance Ambient temp 20 Q WHT BRN 212 WHT VLT 52 VLT YEL 13 YEL RED PNk 119 Coil Evaporator Hows Fin pitch m Face area me 0 070 0 115 DATA SUBJECT TO CHANGE WITHOUT NO
18. ressor Accumulator Capillary tube 10je40de 3 SA 99G Model Compressor Accumulator Capillary tube 101e40de 3 5 PERFORMANCE DATA 5 1 Cooling Capacity Model SA 79G 240V Single Phase 50Hz RATING CAPACITY 2 10 kW AIR FLOW RATE 360 m h EVAPORATOR CONDENSER OUTDOOR AMBIENT TEMP 25 s 3 4 5 TC 2 12 2 02 193 184 173 1 59 1 29 1 45 1 62 1 78 1 93 1 DB _ 21 23 25 27 29 31 SHC 2 12 93 184 173 1 59 cw oss oso oss oss o7s ose CM 0 55 0 59 0 63 0 68 0 75 0 82 21 23 25 27 29 31 21 31 Gu ose 087 ove ozo CM 0 58 0 63 0 67 0 72 0 80 0 87 23 25 27 29 31 os os oss osz 0 59 0 64 0 69 0 74 0 82 0 89 25 SHC 27 SHC 29 SHC 31 SHC Total Cooling Capacity kW SHC Sensible Heat Capacity kW CM Compressor Input kW Rating conditions Mark are Outdoor Ambient Temp 35 D B Indoor Unit Entering Air Temp 27 D B 19 C W B 17 SHC 199 194 1 90 1 84 171 242 231 221 2410 197 1 82 0 56 0 61 0 65 0 70 0 77 0 85 19 23 25 27 29 Model SA 99G 240V Single Phase 50Hz RATING CAPACITY 2 60 kW AIR FLOW RATE 360 m h EVAPORATOR CONDENSER OUTDOOR AMBIENT TEMP DB 2 39 5 40 5 TC 2 62 2 51 239 228 214 1 97 Low or oss 1 21 1 6
19. tor winding Measure resistance of compressor motor winding 7 2 2 Neither fan motor nor compressor motor runs A Power is not supplied Circuit breaker is tripped Reset breaker Check power supply Power is being supplied to the unit Wait for recovery Power failure or contact power company B Check OPERATION SELECTOR switch on the control panel Check that OPERATION SELECTOR If itis set at OFF Set to HIGH COOL switch is not set at OFF or LOW COOL 15 7 3 Some part of air conditioner does not operate 7 3 1 Only fan does not run Check fan casing foreign matter on inside Remove foreign matter or repair Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand Fan motor burnout or foreign matter in bearings Repair or replace Measure resistance of fan motor winding Check fan motor capacitor 7 3 2 Auto deflector switch does not work e Check that OPERATION SELECTOR OK 1 resistance of auto deflecior switch is set at either HIGH COOL motor winding LOW COOL Auto deflector does not work with the operation selector switch in OFF position 16 7 3 3 Only compressor does not run A Check setting temperature Is room temperature too low Try to lower setting temperature by thermostat knob B Check compressor and electrical parts
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