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Sanyo CH1852 Air Conditioner User Manual

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1. ale S 3 r y y ES E w 5 225 25 32 Leg 61 18 5 3 29 32 2 5 16 fp p gt E 99 5 58 5 x Narrow tube 1 4 6 35 KHS0951 93 8 9 52 Center of tubing KHS1251 91 2 12 7 hole 2 places Wide tube Unit inch mm 14 amp m LO eo eo DS v Ni E D t y E GER 5 SSS 8 4 ES o e o SL N c 9 8 2 1 9 fap c N 2 2 K o ool io mee D ES aye o CN y EI gt 982 2 2 11 St 28 92 14 Drain hose 18 Narrow tube 6 35 1 4 KHS1852 co A e oo o OO LO RESSAS D 8 HEHEHH e 3 Q o o o o o o LILILILILILI e o ob o S HHHHHH e o o o o o o HHHHHH o 1 UD ek o o o o N 25 HHHHHH S e o o o o 20 3o c o KIC OCH o o Oo a oo o b oe 53 mn 0 o Y OE o o o oo Po o o o o
2. REFERENCE No SM700447 w IMPORTANT Please Read Before Starting This air conditioning system 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 9 Carefully read this instruction booklet before beginning 9 Follow each installation or repair step exactly as shown 9 Observe all local state and national electrical codes O Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or WARNING unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or CAUTION 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 In Case of Improper Installation The manufacturer shall in no way be responsible for improp er installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When Wiring
3. INDOOR UNIT Air intakes 4 ON II F Air outlet 8 Remote E E control 3 unit H Drain hose H 5 g Refrigerant tubes OUTDOOR UNIT l Air outlet NOTE This illustration is based on the external appearance of a standard model Consequently the shape may differ from that of the air conditioner which you have selected This air conditioner consists of an indoor unit and an outdoor unit You can control the air conditioner with the remote control unit Air Intakes Air from the room is drawn into these sections and passes through air filters which remove dust Air Outlet Air is blown out of the air conditioner through the air outlet Remote Control Unit The wireless remote control unit controls power on off operation mode selection temperature fan speed timer setting night setback and air sweeping Refrigerant Tubes The indoor and outdoor units are connected by copper tubes through which refrigerant gas flows Drain Hose Moisture in the room condenses and drains off through this hose Outdoor Condensing Unit The outdoor unit contains the compressor fan motor heat exchanger coil and other electrical components 01 330 05EG
4. INDOOR UNIT Disconnect Inter unit OUTDOOR UNIT 4 ower lines Terminal Field supply Terminal ma O i 070 D e oor V 3 D gt O amp 2 c 6 eer UN D Inter unit D L2 55 3 Control lines rial EH i RR a ea AO 2 K rounding Q line CH1852 Model INDOOR UNIT Disconnect inter unit OUTDOOR UNIT switch Power lines Terminal Field supply Terminal Fe O OT OF D 3 pere 5 TO Q S 9 28 e zg O SS eas De Sor Inter unit we 883 LAS Control lines Grouridi PS SNE IES Aa TE So rounding Q line Fig 11 46 8 FUNCTION 8 1 Room Temperature Control E Cooling Room temperature control is obtained by cycling the compressor ON and OFF under control of the room tem perature sensor in the remote control unit O The room temperature and other information is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit Signal from remote control unit 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes Thermo Suc Thermo Thermo Thermo Thermo OFF OFF ON ON ON Sal gt se AS More than 5 minutes ON on o Le Thermo T 2 F settemp T F Compressor Outdoor fan Indoor fan Set speed O The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at lea
5. o o o o o ET 2 Indoor unit Nr 000000 V 1L gt gt St z s3 1 15 3 1 2 Outdoor Unit 1 Outdoor unit CHO951 CH1251 2 5 32 3 7 16 g i 80 g g D 2 15 32 E 23 15 16 Air intake 3 25 32 E 11 13 32 12 7 16 j Y Air discharge 31 2 1 15 32 11 13 32 kn 21 1 4 cocoa o 000000000000 nnnnnnnnna Kal N je Hd Narrow tube service valve 5 8 06 35 1 4 Wide tube service valve ll CHO951 3 8 9 52 CH1251 1 2 12 7 Unit inch mm E 16 2 Outdoor unit CH1852 4 915 32 Air intake a 23 15 16 5 11 32 lt Ea ral _ EMI ee Bg i 11 15 32 Air discharge 1
6. res Controls Temperature control Microprocessor I C thermostat Control unit Wireless remote control unit Timer ON OFF 12 hours 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Airflow direction Indoor Horizontal Manual Vertical Air filter Washable Compressor Rotary Hermetic Refrigerant Amount charged at shipment _ Ib kg 2 65 1 20 Refrigerant control Capillary tube Operation sound Indoor Hi Me Lo dB A 38 34 32 Outdoor Hi Refrigerant tubing connections Flare Max allowable tubing length at shipment 25 7 5 Refrigerant tubing Narrow tube i 1 4 6 35 diameter i 3 8 9 52 Dimensions amp Weight Indoor Unit Outdoor Unit Unit dimensions i i 10 5 8 270 21 1 4 540 31 11 16 805 31 1 2 800 6 31 32 177 11 13 32 290 Package dimensions i 9 13 16 249 23 31 32 609 13 5 16 338 16 3 16 411 Weight 17 6 8 0 75 0 34 22 0 10 0 83 8 38 Shipping volume 2 51 0 071 8 67 0 246 DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks Rating conditions are Cooling Indoor air temperature 80 F D B 67 F W B Outdoor air temperature 95 F D B 75 F W B Heating Indoor air temperature 70 D B Outdoor air temperature 47 F D B 43 F W B 2 2 Indoor unit KHS1251 Outdoor unit CH1251 Cooling Heating Voltage Rating Performance 115V 60Hz Cooling Heating Capacity BTU h kW 11
7. CONNECTOR COIL THERMISTOR CWHT GRN Bk otc d ve FLAP 4PCWHT BLK 313 SPD Sp Mec ROOM THERMISTOR FLAP MOTOR 8512 5253 590XX 0 34 3 Outdoor unit CHO951 CH1251 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts LI L2 L POWER SUPPLY 24 O THERMISTOR WHT CAPACITOR ITORCOMD WHT 9 COMPRESSOR MOTOR 8512 5253 562XX 0 FAN MOTOR 35 4 Outdoor unit CH1852 disconnect power before checking servicing and or cleaning any electrical parts To avoid electrical shock hazard be sure to WHT E x e RELAY C cepaci Toran S WHT OOMPRESSOR MOTOR 8512 5253 589XX 0 FAN MOTOR 36 5 Printed circuit board POW KHS095A for KHS0951 Top view Bottom view ROLE TC gy FOIL cue WHT POW KHS095A 1FA4B1B038600 0 37 6 Printed circuit board POW KHS125A for KHS1251 Top view Bottom view 2 POW KHS125A 1FA4B18040300 0 POW KHSI2SA D IFA4B18040300 0 38 7 Printed circuit board POW KHS095B for KHS0951 and KHS1251 Top view Bottom view POW KHS095B 1FA4B18038700 0 39 8 Printed circuit board POW KHS1852 for KHS1852 Top view Bottom view Sy TEST PROG A a J 407 HA wr ans 310 so o o 19 E 669 CI J08 309 Ja ng 82 y og ss ng tae 098 ka SIS PCO Ju 40 9
8. Controller PCB Ass y Terminal base P Room temp thermistor Flap motor Lamp Ass y Outdoor Unit CH0951 CH1251 CH1852 Electric Parts Power relay PTC Thermistor Terminal base Only for 115V models Fan motor capacitor S co On S E S I O x o Jo 2 L H G S p PR TH UNIT co CONTROLLER al 20S J o FM1 SUPPLY O O FM O E Compressor motor capacitor Controller PCB Ass y Parts Layout in Unit sr meds t od Electric compornet box Low temp cut off Solenoid coil 4 way valve CM Compressor motor Crankcase heater Fan Motor Defrost thermostat 67 APPENDIX INSTRUCTION MANUAL KHS0951 CHO951 KHS1251 CH1251 KHS1852 CH1852 68 Features This air conditioner is equipped with cooling heating and drying functions Details on these functions are provided below refer to these descriptions when using the air conditioner Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation easy logically displayed for easy use Simple One touch Wireless Remote Control The remote control unit has several features to facilita
9. 4 Remove it to ensure good airflow 5 Set the temperature lower or higher 6 Consult your dealer or try to use a back up heater Clicking sound is heard from the air conditioner OPERATION lamp lights but outdoor unit will not run In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur 1 The use of portable telephones near the air conditioner may cause disturbance to its normal operation This is normal and the sound will soon disappear 1 Turn off the power then restart the air conditioner after 1 minute 2 Consult your dealer Operating Range The air conditioner is operable within the temperature ranges as listed below Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maximum 95 F DB 71 F WB 115 F DB CRORING Minimum 67 F DB 57 F WB 67 F DB HEATING Maximum 80 F DB 67 F WB 75 F DB 65 F WB Minimum DB WB 17 F DB 15 F WB 26 OI 202 22EG For Parts or Service Contact SANYO FISHER SERVICE CORPORATION A DIVISION OF SANYO LOGISTICS CORPORATION 1411 West 190th Street Suite 800 Gardena CA 90248 U S A 50 Beth Nealson Drive Toronto Ontario M4H 1M6 CANADA
10. Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle In a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run 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 your 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 wiring have been left inside the unit being serviced Others Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on con tact 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 produce dangerously toxic gas Table of Contents Page OPERATING RANGE soii EE edd EE 1 SPECIFICATIONS 21 Unit Specification Si A aaa a ant elanden 2
11. 0 246 DATA SUBJECT TO CHANGE WITHOUT NOTICE Remarks Rating conditions are Cooling Indoor air temperature 80 F D B 67 F W B Outdoor air temperature 95 F D B 75 F W B Heating Indoor air temperature 70 F D B Outdoor air temperature 47 F D B 43 F W B 3 Indoor unit KHS1852 Outdoor unit CH1852 Cooling Heating Voltage Rating Performance 230 208V 60Hz Cooling Heating BTU h kW Capacity 17 000 16 500 4 98 4 84 19 000 18 500 5 75 5 42 Air circulation High ft min m3 min 390 Moisture removal High Pints h Electrical Rating 4 5 4 3 Cooling Heating Available voltage range Running amperes 7 6 8 1 7 1 7 5 Power input 1 700 1 660 1 610 1 540 Power factor 99 99 SEER HSPF 10 5 6 8 Compressor locked rotor amperes Heater element res Controls Temperature control Microprocessor LC thermostat Control unit Wireless remote control unit Timer ON OFF 12 hours 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Horizontal Vertical Airflow direction Indoor Air filter Washable Compressor Refrigerant Amount charged at shipment Ib kg Rotary Hermetic 3 97 1 80 Refrigerant control Capillary tube Indoor Hi Me Lo Outdoor Hi Operation sound dB A 41 38 36 Refrigerant tubing connections Flare M
12. 2 Each unit must be properly grounded with a ground or earth wire or through the supply wiring 3 Wiring must be done by a qualified electrician AU AP Safety Instructions Read this Instruction Manual carefully before using this air conditioner If you still have any difficulties or problems consult your dealer for help This air conditioner is designed to give you comfortable room conditions Use this only for its intended purpose as described in this Instruction Manual Never use or store gasoline or other flammable vapor or liquid near the air conditioner it is very dangerous This air conditioner has no ventilator for intaking fresh air from outdoors You must open doors or windows frequently when you use gas or oil heating appliances in the same room which consume a lot of oxygen from the air Otherwise there is a risk of suffocation in an extreme case Do not tum the air conditioner on and off from the power mains switch Use the ON OFF operation button Do not stick anything into the air outlet of the outdoor unit This is dangerous because the fan is rotating at high speed Do not let children play with the air conditioner Do not cool the room too much if babies or invalids are present 01 330 04EG Names of Parts
13. 2 2 Major Component Specific MON scada te 2 3 Other Component Specifications nn cepto a ee dd idad 11 DIMENSIONAL DATA Fr MG 14 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram EEN 18 PERFORMANCE DATA 5 1 Performance Charts dali datter 19 5 2 Air Throw Distance Charts inci eenen KR ER RE DEREN o eh 22 5 3 Gooling Gapabily aie ier o att Speed potere er oet iicet de at det tuo t ene 25 5 4 Heating bal 29 ELECTRICAL DATA 6 1 Electrical En Ee 30 6 2 Electric Wiring Diagrams eerte enten ent mele bateae aalten 33 INSTALLATION INSTRUCTIONS 7 1 Installation Site Select isc ii 42 7 2 Remote Control Unit Installation Position aaannvaannvaaassasaaaar rnannnnananananaannnnnnnnnanannanaa 44 7 3 Address SUNE dende 45 7 4 Recommended Wire Length and Diameter 2aanvassaaaanaaasasanaananasansannnnnnnsananannaa 46 FUNCTION 8 1 Room Temperature Control ui 47 9 2 Dry Operation Dehumidification ass bu iia tutis wie Pure pvo ERO D aa 49 8 3 Automatic Switching between Cooling and Heating nanne eenen ennen rennen 49 8 4 Freeze Prevention Cooling Nu 50 8 5 Overload Prevention Healing rtr neet rn tE 50 8 6 Cold draft Prevention eating 51 8 7 Defrosting Operation Ee EE 52 8 8 Low Temperature Cutff Heating ANEN 53 TROUBLESHOOTING 9 1 Check before and after troubleshooting 54 9 2 Air conditioner does not operate aaaaaaaiasaaassanas nnsn
14. F C 115 V 115 V 150 10 5 door inlet air 340 23 9 Indoor inlet air B temp F C D B temp F C 80 26 7 140 9 8 320 22 5 70 21 1 I 59 15 0 S 130 9 1 Se 300 21 1 15 0 55 120 84 5 S 280 19 7 2 28 Sg 110 7 7 oe 260 18 3 a8 48 v 100 7 0 vo 240 16 9 2 2 BL 90 63 P 9 220 155 OS a 2 2 CES 55 80 5 6 95 35 0 mg 200 14 1 80 26 7 70 4 9 67 19 4 180 12 7 60 4 2 160 11 2 50 3 5 150 10 5 60 70 80 90 100 110 120 10 20 30 40 50 60 70 80 15 6 21 1 26 7 32 2 37 8 43 3 48 9 12 2 6 6 1 1 4 4 10 0 15 6 21 1 26 7 Outdoor inlet air D B temp F C Outdoor inlet air D B temp F C NOTE Overload prevention operates to protect the air conditioner when the outdoor ambient temperature reaches an abnormally high level while in heating mode Refer to 8 5 Overload prevention e Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 80 F D B 67 F W B Heating Indoor air temperature 70F D B Outdoor air temperature 95 F D B Outdoor air temperature 47 F D B 43 F W B 20 Indoor Unit KHS1852 Outdoor Unit CH1852 H Cooling Characteristics E Heating Characteristics 230 V 230 V Indoor inlet air Indoor inlet air 12 D B temp F
15. I l 5 I Accumulator A se gt o Wide tube C O 5 service 9 Wide tube 1 valve IK EE EE d i i O D i Muffler 5 8 015 88 mm J D 2 1 2 j 1 I I o Bad o Receiver G i tank C E 3 Capillary i E Narrow tube if tube bii Si service X Narrow tube valve Capillary tube Ve Sech H E gt A E Dn MD SC i OD EN i Strainer gt 1 4 006 35 mm Check valve Cooling cycle lt Ra ptr Beh a pep qu Heating cycle Cooling cycle lt AA A Heating cycle 5 PERFORMANCE DATA 5 1 Performance Charts Indoor Unit KHS0951 Outdoor Unit CH0951 H Cooling Characteristics E Heating Characteristics 115 V 115 V door inlet air temp F C Indoor inlet air D B temp F C Operating current A Operating current A 6 60 70 80 290 100 110 120 10 20 30 40 50 60 70 80 15 6 21 1 26 7 32 2 37 8 43 3 48 9 12 2 6 6 1 1 4 4 10 0 15 6 21 1 26 7 Outdoor inlet air D B temp F C Outdoor inlet air D B temp F C 115V 115V 150 10 5 inlet air 340 23 9 Indoor inlet air 7 D B temp F C 140 9 8 320 22 5 A 26 7 S 130 9 1 Se 300 21 1 Sid 6 7 ES 120 84 5 S 280 107 TONER ER 28 59 15 0 oz 110 7 7 o2 260 18 3 a8 ag Lg 100 7 0
16. ON CLOSE 17 F 8 3 C LB69001 Coil V26 9201 Valve DATA SUBJECT TO CHANGE WITHOUT NOTICE 3 Outdoor Unit CH1852 Power Relay PR a nurus s Coil resistance Q Contact rating at 68 F 20 C Thermostat Defrost thermo 23D Operating temp F C Thermostat Low temp cutoff 23A Operating temp F C 4 way Valve Solenoid coil Coil rating DFU24D1 F 650 10 AC 250V 20A TRS02 12MSR ON 54 4 12 2 C Diff 14 deg 8 deg below TRS02 M13MSR436 OFF OPEN 5 F 15 ON CLOSE 17 F 8 3 C LB69005 Coil V26 9201 Valve AC 208 230V 6W DATA SUBJECT TO CHANGE WITHOUT NOTICE 3 DIMENSIONAL DATA 3 1 Unit 3 1 1 Indoor Unit 1 Indoor unit KHS0951 KHS1251 EE CES IC 2C JC OC JC JC JC JC JC X C JC 2C JC JC JC OC JC JC JC JC JC X C JC JC JC JC JC OC JC JC JC JC JC X d C DC 2C 2C DC JC XC JC IC DC 2C 2C X 2C JC JC DC JC JO JC JC JC 2C DC X C JC yt Jt IC JC LI JC JC DC 2C 2C X Lei 31 11 16 805 E 6 31 32 177 uu R f S o N N LO j Y a Drain hose 223 32 18 CF SJ Remote control unit
17. Outdoor air temperature 47 F D B 43 F W B 21 5 2 Air Throw Distance Chart 1 Indoor Unit KHS0951 Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 5 20 Axis air velocity ft sec Vertical distance ft Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 70 F 21 1 C Fan speed High Horizontal distance ft 15 20 Axis air velocity ft sec Vertical distance ft Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 22 2 Indoor Unit KHS1251 Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 5 20 Axis air velocity ft sec Vertical distance ft Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 70 F 21 1 C Fan speed High Horizontal distance ft 5 10 15 20 25 30 A Ou SE gt 8 E LE o gt D e 8 EK x as Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 23 3 Indoor Unit KH1852 Room air temp 80 F 26 7 C Fan speed High Horizontal distance ft 5 10 15 20 25 30 d o 23
18. Printed circuit board POW CHO95 for CHO951 CH1251 and CH1852 Top view 8 Ge aro risy FNI O 41 7 INSTALLATION INSTRUCTIONS 7 1 Installation Site Selection 7 1 1 Indoor Unit WARNING To prevent abnormal heat generation and the possibility of fire do not place obsta cles enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow AVOID 9 direct sunlight 9 nearby heat sources that may affect performance of the unit 9 areas where leakage of flammable gas may be expected 9 places where large amounts of oil mist exist DO 9 select an appropriate position from which every cor ner of the room can be uniformly cooled High on a wall is best 9 select a location that will hold the weight of the unit 9 select a location where tubing and drain hose have the shortest run to the outside Fig 1 9 allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 2 9 install the unit within the maximum elevation differ ence H above the outdoor unit and within a total tubing length L from the outdoor unit as detailed in Table 1 and Fig 3a Indoor unit x Lg as Drain hose Outside drainage Fig 1 g 2 5 cm min 2 5 cm min 6 15 cm min 6 15 cm min 2 5 cm min 6 15 cm min e KHS1852 only Front View Fi
19. compressor motor winding is abnormally high YES YES Refrigerant gas shortage Charge refrigerant gas R22 Measure Power supply voltage Rotor may be locked up The voltage is too low Measure resistance of power relay PR 60 9 4 Air conditioner operates but abnormalities are observed 9 4 1 Operation does not switch from HEAT to COOL or COOL to HEAT Receiver in lamp Ass y may be defective Remote control unit may be defective Measure resistance of 4 way valve s winding COOL HEAT Check voltage between terminals No 3 and No 5 at terminal plate gt Outdoor PCB Ass y is defective i n DC 24V No voltage appears Indoor PCB Ass y is defective HEAT COOL Check voltage between terminals No 3 and No 5 at terminal plate 0V 61 9 4 2 Poor cooling or heating Check position of remote control unit YES Cool or warm air from air conditioner gt reaches position directly Wide and narrow tubes between indoor unit and outdoor unit are gt insulated YES Temperature difference Measure temperature of suction and S Small Possibility of discharge air of air conditioner Temperature difference between suction and discharge air is large enough approx 10 deg or more Change position of remote control unit Insulate both wide and
20. 28 t SS o 2 gt V e 8 2 E x O lt gt Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 70 F 21 1 C Fan speed High Horizontal distance ft 20 Axis air velocity ft sec Vertical distance ft Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 24 5 3 Cooling Capacity Indoor Unit KHS0951 Outdoor Unit CH0951 115V Single phase 60 Hz RATING CAPACITY 9 100 BTU h AIR FLOW RATE 270 CFM EVAPORATOR CONDENSER ENT TEMP F C AMBIENT TEMP F C E EE ae ae HE EC TG NNN 72 SHC SC 9 220 8 770 8 260 7 690 7 050 9 220 8 770 8 260 7 690 7 050 17 2 7 420 7 220 7 010 6 780 6 530 8 270 8 080 7 870 7 630 7 380 9 130 8 930 8 680 8 160 7 600 TC 10 460 10 090 9 700 9 270 8 800 a os oz om os os 21 7 10 670 10 320 9 960 9 540 9 090 067 073 08 X 089 23 9 59 63 67 71 75 0 2 TC 9 930 9 540 9 100 8 620 8 090 CI 19 4 T 9 2 740 3 640 4 490 5 350 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h Cl Compressor Input kW Rating conditions are Outdoor Ambient Temp 95 FDB Indoor Unit Entering Air Temp 80 FDB 67 FWB 25 Indoor Unit KHS1251 Outdoor Unit CH1251 115 V Single phase 60 Hz RATING CAPACITY
21. 700 3 43 12 500 3 66 Air circulation High ft min m3 min Moisture removal High Electrical Rating Pints h 3 4 Cooling Heating Available voltage range Running amperes 10 5 10 3 Power input 1 200 1 170 Power factor 99 99 SEER HSPF 10 2 6 8 Compressor locked rotor amperes Heater element res Controls Temperature control Microprocessor LC thermostat Control unit Wireless remote control unit Timer ON OFF 12 hours 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto 1 Hi Horizontal Vertical Airflow direction Indoor Air filter Washable Compressor Refrigerant Amount charged at shipment Ib kg Rotary Hermetic 2 76 1 25 Refrigerant control Capillary tube Indoor Hi Me Lo Outdoor Hi Operation sound dB A 41 38 34 Refrigerant tubing connections Flare Max allowable tubing length at shipment 25 7 5 Refrigerant tubing Narrow tube diameter 1 4 6 35 1 2 12 7 Dimensions amp Weight Indoor Unit Outdoor Unit Unit dimensions 10 5 8 270 31 11 16 805 6 31 32 177 21 1 4 540 31 1 2 800 11 13 32 290 Package dimensions Weight 9 13 16 249 13 5 16 338 17 6 8 0 22 0 10 0 23 31 32 609 16 3 16 411 83 8 38 92 6 42 Shipping volume 2 51 0 071 8 67
22. AW Full Load Conditions Running Amps A Power Input KW Rating Conditions Indoor Air Temperature 80 F 26 7 C D B 67 F 19 4 W B Outdoor Air Temperature 95 F 35 C D B Full Load Conditions Indoor Air Temperature 95 F 35 C D B 70 F 21 2C W B Outdoor Air Temperature 115 46 1 C D B HEATING Indoor Unit Outdoor Unit Complete Unit er Single phase GOH Power Input Rating Condiions _Runnngamps Al 0 om 92 35 kW 0 034 0 081 1 055 Full Load Conditions Running Amps A kW 0 034 0 081 1 255 Rating Conditions Indoor Air Temperature 70F 21 1 C D B Outdoor Air Temperature 47 F 8 3 C D B 43 F 6 1 C W B Full Load Conditions Indoor Air Temperature 80 F 26 7 D B Outdoor Air Temperature 75 F 23 9 C D B 65 F 18 30 W B Power Input 31 Indoor Unit KHS1852 Outdoor Unit CH1852 COOLING Indoor Unit Outdoor Unit Complete Unit 230 1208 Single phase 60Hz Rating Conditions Running Amps A 7 6 Power Input RW Full Load Conditions Running Amps A Power Input __ Rating Conditions Indoor Air Temperature 80 F 26 7 C D B 67 F 19 40 W B Outdoor Air Temperature 95 F 35 D B Full Load Conditions Indoor Air Temperature 95 F 35 C D B 70 F 21 2 W B Outdoor Air Temperature 115 46 1 C D B 8 1 1 HEATING Indoor Unit Outdoor Unit Complete Unit Performance at 230 208V Single phase 60Hz Rating Conditions Running Amps 025 0 23 049 0 4
23. Unit Display and Operation Selector INDOOR UNIT KHS1852 OPERATION lamp TIMER lamp Remote control receiver INDOOR UNIT KHS0951 KHS1251 STANDBY lamp H OPERATION STANDBY TIMER a N IMPORTANT Avoid using radio equipment such as mobile phones near within 1 m of the indoor unit Some radio STANDBY lamp equipment may cause the unit to malfunction TIMER lamp OPERATION amp TIMER STANDBY If the trouble occurs disconnect power and restart the OPERATION lamp air conditioner after a few minutes Remote control receiver This section picks up infrared signals from the remote control unit transmitter Operation selector ON position This position is for operating the air conditioner with the wireless remote control unit Set the selector normally in this position OFF position Switch the selector to the OFF position if you are not going to use the air conditioner for a few days or longer WARNING The OFF position does not disconnect the power Use the main power switch to turn off power completely TEST position This position is used only when servicing the air conditioner AP Do not set at the TEST position for normal operation OPERATION lamp This lamp lights when the system is in the continuous HEAT DRY and COOL mode TIMER lamp This lamp lights
24. Wall Momentarily hold the remote control unit at the desired mounting position gt Special mounting screw Packed in indoor unit Confirm that the air conditioner responds cor rectly when you press keys on the remote con trol from that position After confirming correct operation use a screw Fig 6 driver to screw the supplied special mounting screw into the wall Fig 6 Hang the remote control unit from the mounting screw Non removable mounting Non removable mounting Wall 1 2 Momentarily hold the remote control unit at the desired mounting position Confirm that the air conditioner responds cor rectly when you press keys on the remote con gt trol from that position Screw Packed in indoor unit Fig 7 After confirming correct operation use a screw driver to screw the mounting screw into the wall Fig 6 Remove the remote control cover by sliding it downward Remove the batteries of the remote control unit Use a screwdriver to screw the remote control unit securing screw into the wall through the hole in the battery compartment Fig 7 Replace the batteries Again confirm that the remote control unit oper ates correctly 44 7 3 Address Switches a 58 If you are installing more than 1 indoor unit up to 2 in the same room it is necessary for you to assign each unit its own address so each can be operated by its own remote control u
25. between terminals No 3 and No 4 at terminal plate gt Outdoor PCB Ass y is defective DC 24V No voltage appears Indoor PCB Ass y is defective 9 2 4 Only indoor unit does not run Indoor PCB Ass y is defective 58 9 3 Some part of air conditioner does not operate 9 3 1 Only indoor fan does not run Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand Measure resistance of indoor fan motor winding Check fan motor capacitor 9 3 2 Only flap motor does not run Measure resistance of flap motor winding 59 Check fan casing foreign matter on inside gt Fan motor burnout or foreign matter in bearings gt Remove foreign matter or repair Repair or replace 9 3 4 Only outdoor fan does not run NEE Fan cannot my matter or repair Check fan rotation be turned Lied Turn fan gently once or twice by hand Fan motor burnout a or foreign matter in Repair or replace bearings Measure resistance of indoor fan motor winding Check fan motor capacitor 9 3 5 Only compressor does not run Check compressor motor Overload relay is working i Measure resistance of PTC capacitor thermistor YES Measure resistance of Temperature of compressor
26. drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance in conjunction with it 29 6 ELECTRICAL DATA 6 1 Electrical Characteristics Indoor Unit KHS0951 Outdoor Unit CH0951 COOLING Indoor Unit Outdoor Unit Complete Unit er Single phase GOF Rating Conditions Running Amps A Power Input Hh Full Load Conditions Running Amps A Power Input Hh Rating Conditions Indoor Air Temperature 80 F 26 7 D B 67 F 19 4 W B Outdoor Air Temperature 95 F 35 C D B Full Load Conditions Indoor Air Temperature 95 F 35 C D B 70 F 21 2C W B Outdoor Air Temperature 115 46 1 C D B HEATING Indoor Unit Outdoor Unit Complete Unit er Single phase GOF Rating Conditions Running Amps A Power Input kW 0 034 0 081 Full Load Conditions Running Amps A i k 0 40 W 0 034 0 081 Rating Conditions Indoor Air Temperature 70F 21 1 C D B Outdoor Air Temperature 47 F 8 3 C D B 43 F 6 1 CT W B Full Load Conditions Indoor Air Temperature 80 F 26 7 D B Outdoor Air Temperature 75 F 23 9 C D B 65 F 18 30 W B Power Input 30 Indoor Unit KHS1251 Outdoor Unit CH1251 COOLING Indoor Unit Outdoor Unit Complete Unit er Single phase GOF Rating Cordiions Running Amps A 040 0 84 108 Power Input
27. filter clean Refer to Careand Cleaning A clogged filter will impair the performance of the unit To prevent conditioned air from escaping keep windows doors and any other openings closed Ol 202 23EG 25 Troubleshooting If your air conditioner does not work properly first check the following points before requesting service If it still does not work properly contact your dealer or service center Trouble Air conditioner does not run at all OPERATION lamp flashes and air conditioner does not operate Compressor runs but soon stops Possible Cause 1 Power failure 2 Leakage circuit breaker tripped 3 Line voltage is too low 4 Operation button is OFF 5 Batteries in remote control unit have run down Trouble in wiring system Obstruction in front of condenser coil Remedy 1 Restore power 2 Contact service center 3 Consult your electrician or dealer 4 Press the button again 5 Replace batteries Contact service center Remove obstruction Poor cooling or heating performance 1 Dirty or clogged air filter 2 Heat source or many people in room 3 Doors and or windows are open 4 Obstacle near air intake or air discharge port 5 Thermostat is set too high for cooling or too low for heating 6 Outdoor temperature is too low 1 Clean air filter to improve airflow 2 Eliminate heat source if possible 3 Shut them to keep the heat or cold out
28. least 5 minutes To protect the compressor from stalling out when trying to start against the high side refrigerant pres sure the control circuit has a built in automatic time delay to allow the internal pressure to equalize As a protective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation O Thermo ON When the room temperature is below T 2 F T C is set temperature Compressor gt ON Thermo OFF When the room temperature is equal to or above set temperature TF Compressor gt OFF 1 Refer to 8 6 Cold Draft Prevention 48 8 2 Dry Operation Dehumidification Dry operation uses the ability of the cooling cycle to remove moisture from the air but by running at low level to dehumidify without greatly reducing the room temperature The air conditioner repeats the cycle of turning ON and OFF automatically as shown in the chart below according to the room temperature Room temp Cooling operation T 4 F Dry A zone Compressor Continuous operation FMI indoor fan L low speed LL very low speed intermittent ventilation Set temp T F only while the compressor is ON T 2 F Dry B zone Compressor Intermittent operation ON for 3 minutes and OFF for 9 minutes FMI indoor fan L low speed LL very low speed intermittent ventilation only while the compressor is ON Room temp 59 F Monitor zone Both the indoor and ou
29. narrow tubes separately and then tape together gas shortage Charge refrigerant gas R22 Check for clogging of air filter Air filter is clogged gt Clean filter Set fan speed to either YES Fan speed is set to LOW Review cooling load estimate if performance of air conditioner is normal 9 4 3 Excessive cooling or heating NO Set temperature is suitable Remote control unit is placed where it can detect room temperature gt properly 62 HIGH or MEDIUM Reduce cooling or heating load or replace the air conditioner with larger capacity Set temperature to higher or lower value using temperature setting buttons of the remote control unit Change position of remote control unit 9 5 If a sensor is defective 9 5 1 Indoor coil temp thermistor TH1 is defective A Open When thermistor opens the air conditioner will be in the following conditions as the controller tries to detect extremely low indoor coil temperature In Cooling mode Function of freeze prevention continues to work That is the controller turns both compressor and outdoor fan motor periodically ON and OFF for several minutes Refer to 8 3 Freeze Prevention B Short When thermistor is short the air conditioner will be in the following conditions as the controller tries to detect extremely high indoor coil
30. succession Is outdoor fan continuously operating for more than 10 Temperature of indoor heat Temperature of indoor heat Thermo OFF minutes exchanger coil is below 113 F exchanger coil is below 113 F Compressor OFF minutes Temp of indoor heat exch coil immediately before thermo goes off is either below 113 7 F or 136 7 F when overload Temperature of indoor heat prevention works exchanger coil is below 113 23 F Integrated operating time of compressor is more than 50 Compressor keeps running for at least 6 minutes Continuous operating time of Compressor keeps running for compressor is more than 20 Compressor keeps running at least 6 minutes minutes for at least 6 minutes Temperature of outdoor heat exchanger coil is below 48 F Defrosting begins Cold draft prevention Temperature of outdoor heat exchange coil is higher than 54 F Defrosting time is over 12 minutes Release of defrosting Indoor fan runs at set speed when temperature of indoor heat exchanger reads 95 F 52 E Defrosting Mode Timing Chart Start of defrosting Release of defrosting 32 seconds Max 11 minutes 32 seconds Compressor Outdoor fan Solenoid coil 4 way valve Indoor fan Standby lamp Indoor heat exch coil 95 F temp TPE fT z Release of cold draft prevention 1 Refer to 8 6 Cold Draft Prevention 8 8 Low Temperature Cutff Heating 9 This functi
31. temperature In Cooling mode Function of freeze prevention will not work even when the frost builds up on indoor heat exchanger coil 9 5 2 Room temp thermistor TH2 is defective A Open When thermistor opens the air conditioner will be in the following conditions as the controller tries to detect extremely low room temperature In Cooling mode The air conditioner soon stops and will not start again Thermo OFF Neither outdoor fan nor compressor runs B Short When thermistor is short the air conditioner will be in the following conditions as pe Temperature the controller tries to detect extremely high room temperature SHOE the outdoor fan and compressor do not stop As a result In Cooling mode The air conditioner continues to operate Thermo ON Both the room becomes too cold Lead p wires NOTE Definition of Open or Short Circuit of Sensor Thermistor Thermistor Structure Open A lead wire is broken or disconnected or the circuit inside the temperature sensor is open Short The protective cover of a lead wire has been damaged and the exposed wire is touching another metal part or both lead wires have become exposed and are touching each other Alternatively the circuit inside the temperature sensor is closed 63 10 CHECKING ELECTRICAL COMPONENTS 10 1 Measurement of Insulation Resistance O The insulation is in good condition if the resistance exceeds 2MQ 10 1 1 Power Supply Wir
32. 11 700 BTU h AIR FLOW RATE 330 CFM EVAPORATOR CONDENSER ENT TEMP F C AMBIENT TEMP F C i EE A AA a TC NENNEN 3 sc so 15 0 SHC TC HUE EE rie 3 sw 63 17 2 a suc TC 3 sc 67 19 4 1 35 3 820 7 4 830 21 7 5 880 7 720 7 540 7 330 7 120 6 890 8 730 8 540 8 340 8 130 7 890 o 75 4 se 23 9 SHC SHC 6 020 SHC 7 030 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h Cl Compressor Input kW Rating conditions are Outdoor Ambient Temp 95 FDB Indoor Unit Entering Air Temp 80 FDB 67 FWB 26 Indoor Unit KHS1852 Outdoor Unit CH1852 208 V Single phase 60 Hz RATING CAPACITY 17 000 BTU h AIR FLOW RATE 390 CFM CONDENSER C AMBIENT TEMP F C li em eo sn mm en m NEN MENNE BE To en 72 SHC 9 540 59 10 730 15 0 17 980 15 410 14 920 14 390 13 800 13 170 16 600 16 120 15 440 14 370 13 180 17 870 17 070 16 220 15 250 14 200 63 17 2 TC 18 550 17 820 17 000 16 100 15 110 o 67 19 4 TC 19 530 18 850 18 120 17 320 16 440 o 71 21 7 11 570 11 250 10 540 16 980 1 95 75 5 340 23 9 6 590 8 100 7 780 9 290 8 980 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h Cl Compressor Input kW Rating conditions are Outdoor Ambient Temp 95 FDB Indoor Unit Entering Air Temp 80 FDB 67 FWB 27 Indoor Unit KHS1852 Outdoor Unit CH1852 230 V Singl
33. 2 7 32 13 5 32 34 21 32 t gt 12 19 32 A o e d aa eo E D Ti N E J e Wl e v L 1 to 5 Narrow tube service valve 26 35 1 4 Wide tube service valve 915 88 5 8 2 5 32 1 80 Unit inch mm 8 3 7 16 17 4 REFRIGERANT FLOW DIAGRAM 4 1 Refrigerant Flow Diagram Indoor unit Outdoor unit KHS0951 KHS1251 CHO951 CH1251 Indoor unit Outdoor unit l Accumulator 9 ze ge ng o h Wide tube o O e service 7 o i Wide tube valve i 9 Dik d i OD i Muffler f 3 8 59 52 mm 1 2 912 7 mm 5 i i o i G M 3 CS g STE 1 I E 5 1 I 2 oO X Capillary E Narrow tube if ER i tube 1 i i service I Narrow tube valve 4 Capillary tube i e E LM A i D CED NW zin Strainer gt ct O D N 1 4 996 35 mm Check valve I L ua NEN AZ eu E TNT ER E Indoor unit KHS1852 Outdoor unit CH1852 Indoor unit Outdoor unit mE pig I ES W ES bi gt gt 1
34. 3 8 988 L746 Fan motor model Q ty UF4 31D6P S 1P Nominal output 30 Coil resistance ambient temp 68 F 20 C WHT BRN 204 2 WHT PNK 158 3 Run capacitor Flap Motor Type Stepping motor Model MP24GA2 Rating Coil resistance ambient temp 77 F 25 C Heat Exchanger Coil DC12V Each terminals 1 2 1 3 1 4 1 5 400 7 Coil Rows Aluminum plate fin Copper tube 2 Fin pitch inch mm 1 16 1 3 Face area ft m 1 68 0 156 DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 2 2 Outdoor Unit 1 Outdoor unit CHO951 Control PCB Part No Controls POW CH095 Control circuit fuse Compressor Type Rotary Hermetic Compressor model C 1R75H2R Nominal output 750 Compressor oil Amount SUNISO 4GSD T 350 Coil resistance ambient temp 68 F 20 C C R 0 841 C S 2 831 Safety devices Type Overload relay External OLR MRA991 11 9200 Run capacitor Crank case heater Fan amp Fan Motor 115V 20W Type Propeller Q ty Dia and length inch mm 1 16 17 32 420 Fan motor model Qty UE6 21BA1PA 1 No of poles rpm 115V High 6 630 Nominal output 20 Coil resistance ambient temp 68 F 20 C BLU BRN 45 3 BLU PNK 50 5 Run capacitor Heat Exchanger
35. 6 6 36 6 81 71 1 75 0 25 0 23 0 49 0 46 86 94 93 10 1 0 047 0 045 0 113 0 095 1 94 1 92 2 10 2 06 Rating Conditions Indoor Air Temperature 70F 21 1 C D B Outdoor Air Temperature 47 F 8 3 C D B 43 F 6 1 C W B Full Load Conditions Indoor Air Temperature 80 F 26 7 D B Outdoor Air Temperature 75 F 23 9 C D B 65 F 18 30 W B Full Load Conditions Running Amps Al 0 Power Input kW 0 047 0 045 0 113 0 095 1 45 1 40 1 61 1 54 Al 0 kW Power Input 32 6 2 Electric Wiring Diagrams 1 Indoor unit KHS0951 KHS1251 To avoid electrical shock hazard be sure to disconnect power before checking servicing and or cleaning any electrical parts POWER TRANSFORMER WHT P TERMINAL BASE 6P FAN MOTOR CONNECTOR PNK 4 1 1 FE PNK ERN 12 2 BRN BLU BLU 112134 5 617 3 11215 4 5 s 7 8 aana LAMP IND LAMP ASSY CONNECTOR WHT GIN ERR pes eno 3 eo spes Jenpe eae o o o e v o o a v BK 7 FLAP MOTOR COIL THERMISTOR JET G G 8512 5253 561XX 1 33 2 Indoor unit KHS1852 disconnect power before checking servicing and or cleaning any electrical parts To avoid electrical shock hazard be sure to TERMINAL an naan an naaa SUP UNIT 3PCWHT 4PC BLK PRY 3PCRED CONTROLLER FMC SEC FAN MOTOR 2POIHT HOLE IC SP WHT LAMP PCWHT n T Q E
36. 9 provide a solid base level concrete pad concrete block 4 in x 16 in 10 x 40 cm beams or equal a minimum of 4 in 10 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased service life Fig 5b 9 use lug bolts or equal to bolt down unit reducing vibration and noise NO Hot air Exhaust fan y Heat source N Outdoor unit Fig 4 Obstacle above Q Min Min Air intake Min 6 15 cm 5 Zit Tf 5 2m 2 m 2 E 2 Min 6 Air discharge Min 12 8 15 cm 30 cm E Ground Min 6 in 15 cm Fig 5a Air intake Anchor bolts 4 pcs RI Ay E Min 4 T 10 cm Air intake I Concrete S or equal SR 43 7 2 Remote Control Unit Installation Position The remote control unit can be operated from either a non fixed position or a wall mounted position To ensure that the air conditioner operates correctly do not install the remote control unit in the following places O In direct sunlight Behind a curtain or other place where it is covered More than 26 ft 8 m away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic interference Removable mounting 7 2 1 Mounting on a Wall a b Removable mounting 1 2 4
37. C 12 D B temp F C _ 11 11 x lt x 5 10 5 10 2 95 35 0 E 3 9 80 26 7 9 80 26 7 gt 67 19 4 gt 70 21 1 T 8 T 8 59 o 5 15 0 B o O 7 O 7 6 6 5 5 60 70 80 90 100 110 120 10 20 30 40 50 60 70 80 15 6 21 1 26 7 32 2 37 8 43 3 48 9 12 2 6 6 1 1 4 4 10 0 15 6 21 1 26 7 Outdoor inlet air D B temp F C Outdoor inlet air D B temp F C 230 208 V 230 208 V 150 10 5 door inlet air 340 23 9 Indoor inlet air temp F C 140 9 8 320 22 5 130 9 1 a 300 21 1 GE 55 120 84 5 S 280 107 28 28 o2 110 7 7 gt 260 18 3 as 88 v 100 7 0 v o 240 16 9 SE E OS 90 63 9 9 220 15 5 az as SE ce 5 80 5 6 39 35 0 Ds 200 14 1 80 26 7 70 4 9 I 180 12 7 67 19 4 60 4 2 160 11 2 50 3 5 150 10 5 60 70 80 90 100 110 120 10 20 30 40 50 60 70 80 15 6 21 1 26 7 32 2 37 8 43 3 48 9 12 2 6 6 1 1 4 4 10 0 15 6 21 1 26 7 Outdoor inlet air D B temp F C Outdoor inlet air D B temp F C Overload prevention operates to protect the air conditioner when the outdoor ambient temperature reaches an abnormally high level while in heating mode Refer to 8 5 Overload prevention e Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 80 F D B 67 F W B Heating Indoor air temperature 70F D B Outdoor air temperature 95 F D B
38. Coil Coil Aluminum plate fin Copper tube Rows 2 Fin pitch inch mm Face area 1 16 1 4 3 37 0 313 External Finish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 Outdoor unit CH1251 Control PCB Part No Controls POW CH095 Control circuit fuse Compressor Type Rotary Hermetic Compressor model Nominal output C R95H2E 950 Compressor oil Amount SUNISO 4GSD T 570 Coil resistance ambient temp 68 F 20 C C R 0 576 C S 3 070 Safety devices Type External OLR Overload relay MRA98693 9200 Run capacitor Crank case heater Fan amp Fan Motor 115V 20W Type Propeller Q ty Dia and length inch mm 1 16 17 32 420 Fan motor model Q ty UE6 21BA1PA 1 No of poles rpm 115V High 6 630 Nominal output 20 Coil resistance ambient temp 68 F 20 C BLU BRN 45 3 BLU PNK 50 5 Run capacitor Heat Exchanger Coil Coil Rows Aluminum plate fin Copper tube Fin pitch 1 16 1 4 Face area 3 37 0 313 External Finish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 3 Outdoor unit CH1852 Control PCB Part No Controls POW CH095 Control circuit fuse Compressor Type Rotary Hermetic Compressor model Nom
39. ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections and inadequate grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and out door units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin alu minum fins on the air conditioner can cut your fingers When Installing In a Ceiling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds
40. T button The display changes immediately to its status previous to timer setting but the indication remains To check the status of the timer while it is counting down press the SET button Cancellation procedure Press the CANCEL button OI 202 21EG 19 1 1 Hour OFF Timer FLAP FAN SPEED MODE CIE Ca OND OFFO CO CO NIGHT SET CANCEL SETBACK ETC o WBATTERIES OACL 2 Combining the 1 Hour OFF Timer and 12 Hour ON Timer 20 Using the 1 Hour OFF Timer This function causes the unit to operate for one hour and then stop regardless of whether the unit is on or off when the button is pressed The indicator in the display indicates that this function is operating Setting procedure Regardless of whether the unit is operating or stopped press the 1 HR TIMER button appears in the display Cancellation procedure Press the ON OFF operation button to turn the unit off wait for the unit to stop operating and then press the ON OFF operation button again The 1 Hour Timer function is now cancelled and the unit operates normally f while the 1 Hour Timer function is operating the 1 HR TIMER button is pressed once to cancel the function and then again the unit continues to operate for one hour from that point in time and then stops Ifthe 1 HR TIMER button is pressed while the TIMER OFF function is operating the OFF Timer is cancelled and the unit stops operating one hou
41. TECHNICAL amp SERVICE MANUAL SANYO KHS0951 CH0951 KHS1251 CH1251 FILE NO KHS1852 CH1852 Destination U S A SPLIT SYSTEM AIR CONDITIONER Indoor Model No Product Code No Outdoor Model No Product Code No KHS0951 1 852 069 13 CHO951 1 852 069 16 KHS1251 1 852 069 14 CH1251 1 852 069 17 KHS1852 S 1 852 069 15 CH1852 1 852 069 18 KHS0951 KHS1251
42. ant to adjust fan speed manually during operation just set the FAN SPEED selector as desired 89 9 or OI 202 17EG 15 Operation with the Remote Control Unit continued 4 Night Setback Mode 1 1 QD SET TEMP FLAP FAN SPEED MODE C SET CANCEL SETBACK CO EDER WBATTERES OACL The Night Setback Mode is used for saving energy Press the NIGHT SETBACK button while the air conditioner is operating The mark appears in the display To cancel the night setback function press the NIGHT SETBACK button again 16 01 202 18EG A In Cooling and DRY OI 202 19EG Mode amp and B In Heating Mode 6k Operation with the Remote Control Unit continued When the night setback mode is selected the air conditioner automatically raises the temperature setting 2 F when 30 minutes have passed after the selection was made and then another 2 F after another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle cooling is needed Setting temperature BS P the 30 min 30 min NIGHT SETBACK Time button When the night setback mode is selected the air conditioner automatically lowers the temperature setting 4 F when 30 minutes have passed after the selection was made and then another 4 F af
43. ately AP heating appliance If the outdoor temperture is extreamly low it is recommended to use another heating appliance When the outdoor temperature falls to around 5 F the compressor stops However indoor fan continues to operate even after the compressor has been stopped In this case to prevent room from freezing use another 01 330 04EG Contents Page SIE 2 Product InformatlOn sine eter tees B gl aa re sere RR Ht date dot 3 Alert dina oo EE 3 Installation Location 4 Electrical Requirements ANEREN 4 Safety du te re 4 Names EE 5 Using the Remote Control Unit 10 Operation with the Remote Control Unit eenen nen 12 1 Automatic Operation re 12 2 Manual Operation auiaaaaiaaa assasnnassasnavnnnsnasnansnanannnnnnansnnnnansnnnnannana 14 3 Adjusting the Fan Speed 15 4 Night Setback Mode esee nnne nennen 16 Special Remarks narren a o e e pri e cate aai 18 Using the 12 Hour ON and OFF TIMET essen nennen 19 Using the 1 Hour OFF Timer ENEE 20 Adjusting the Airflow Direction aaaaavaasaassas nasnnsnnsnansnanannnnnnansnnnnansannaanna 21 Operation without the Remote Control Unit eneen eneen 22 Care and Kel 7 o oTo RN 22 Tips for Ste VE le E 25 Troubleshooting EE 26 Operating We GE 26 Product Information If you have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on
44. ax allowable tubing length at shipment 25 7 5 Refrigerant tubing Narrow tube diameter 1 4 6 35 5 8 15 88 Dimensions amp Weight Indoor Unit Outdoor Unit Unit dimensions 11 7 32 285 39 3 16 995 7 23 32 196 24 19 32 625 34 21 32 880 Package dimensions 10 7 8 276 42 1 8 1 070 14 9 32 363 12 19 32 320 27 15 16 710 40 9 16 1 030 16 3 16 411 Weight Shipping volume Remarks Rating conditions are Cooling Indoor air temperature Heating Indoor air temperature 70 F D B Outdoor air temperature 47 F D B 43 F W B 80 F D B 67 F W B Outdoor air temperature 95 F D B 75 F W B 26 5 12 0 33 15 0 3 78 0 107 108 49 117 53 10 6 0 301 DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 2 Major Component Specifications 2 2 1 Indoor Unit 1 Indoor unit KHS0951 Control PCB Part No Controls POW KHS095A POW KHS095B Microprocessor Control circuit fuse AC 115V 3A Remote Control Unit RCS 1HS2U Fan amp Fan Motor Type Cross flow Q ty Dia and length inch mm 1 3 3 4 L24 9 32 95 L617 Fan motor model Q ty KFV4 21H1PA 1P Nominal output 20 Coil resistance ambient temp 68 F 20 C BLU BRN 100 9 BLU PNK 127 5 Run capacitor Flap Motor Type Stepping motor Model MP24GA1 Rating DC12V Coil resi
45. be especially careful when you clean these parts 3 The intemal coil and other components of the outdoor unit must be cleaned every year Consult your dealer or service center OI 202 22EG Care and Cleaning continued Anti mold filter The anti mold filter behind the air intake grille should be checked and cleaned at least once every two weeks Air intake grille How to remove the 1 Grasp both ends of the anti mold filter air intake grille and pull it out and up 2 Push the anti mold filter up slightly and then pull it down Anti mold filter Cleaning Use a vacuum cleaner to remove light dust If there is sticky dust on the filter wash the filter in lukewarm soapy water rinse it in clean water and dry it How to replace the 1 With the FRONT mark facing o anti mold filter you slide the anti mold filter Air intake grille up into the unit and then lower the handle into the groove on the unit 2 After installing the anti mold filter press the locations marked by the arrows JL and close the air intake grille Anti mold filter Insert into the groove on the unit 01 202 23EG 23 Air cleaning filter not provided AU How to install the air cleaning filter Cleaning the main unit and remote control unit 24 Care and Cleaning continued The air cleaning filter removes dust and d
46. ction prevents overheating of the indoor heat exchange coil When the temperature of the indoor heat exchange coil rises above 139 F and if the indoor fan is L low speed then the fan speed changes from L low speed to M medium speed When the temperature of the indoor heat exchange coil rises above 141 F the outdoor fan stops 141 139 Indoor heat exch coil temp F 120 Outdoor fan Indoor fan Compressor 50 8 6 Cold draft Prevention Heating This function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coil have sufficiently warmed up STANDBY lamp on front of the indoor unit lights up when this function is working when 10 minutes has elapsed the fan speed is automatically switched to set speed regardless of indoor heat exchange coil temperature Max 10minutes 95 Indoor heat exch coil temp F Indoor fan Standby lamp 51 8 7 Defrosting Operation Heating E Defrosting Flowchart Compressor ON Release of overload prevention Outdoor fan operates Overload prevention works Does outdoor fan stop Outdoor fan is either operated Indoor heat exchanger coil Integrated operating time of Integrated operating time of or stopped for more than 10 temperature drops 1 4 F per compressor is more than 3 compressor is more than 1 5 minutes 6 minutes and it repeats hours hours 3 times in
47. e phase 60 Hz RATING CAPACITY 17 000 BTU h AIR FLOW RATE 390 CFM CONDENSER C AMBIENT TEMP F C li em eo sn mm en m NEN MENNE BE To en 72 SHC 9 540 59 10 730 15 0 17 980 15 410 14 920 14 390 13 800 13 170 16 600 16 120 15 440 14 370 13 180 17 870 17 070 16 220 15 250 14 200 63 17 2 TC 18 550 17 820 17 000 16 100 15 110 o 67 19 4 TC 19 530 18 850 18 120 17 320 16 440 o 71 21 7 11 570 11 250 10 540 16 980 1 95 75 5 340 23 9 6 590 8 100 7 780 9 290 8 980 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h Cl Compressor Input kW Rating conditions are Outdoor Ambient Temp 95 FDB Indoor Unit Entering Air Temp 80 FDB 67 FWB 28 5 4 Heating Capacity Indoor unit KHS0951 KHS1251 KHS1852 Outdoor unit CHO951 CH1251 CH1852 9 2 120 g gt AO lela vanen AA A A E O 90 5 S 100 Oo E c 90 oO T 80 70 60 50 40 h Fs EEE EE EE F 30 SE M 50 LE 10 n 17 20 30 40 47 50 60 Outdoor temperature F DB 1 9 Point of rating condition Black dot in the chart indicates the following rating condition Indoor 70 21 16 D B Outdoor 47 F 8 3 C D B 43 F 6 1 C W B 2 Above characteristics indicate instantaneous operation which does not take into account defrost operation 3 Fan speed High 4 Because this air conditioner heats a room by
48. ected the air conditioner calculates the difference between the thermostat setting and the room temperature and automatically switches to the COOL or HEAT mode as appropriate s k The air conditioner makes the room warmer A The air conditioner reduces the humidity in the room E The air conditioner makes the room cooler Press this button either to select to set the airflow direction to one of the six possible positions manually or to select the sweep function which moves the flap up and down automatically A The airflow direction can be set manually six positions o The flap moves up and down automatically To switch to the sweep function 7 when in the manual Y mode hold down the FLAP button FAN SPEED selector button 9 The air conditioner automatically decides the fan speed 9 High fan speed 9 Medium fan speed s Low fan speed 1 HR TIMER button 1 hour off timer When you press this button regardless of whether the unit is operating or stopped the unit operates for one hour and then shuts down ACL button All clear Puts the remote control unit into pre operation status Always press this button after replacing the batteries SET button After using the TIMER ON button or TIMER OFF button to set the timer press this button to activate the new setting CANCEL button Press this button to cancel the current timer setting ADDRESS switch The add
49. ed Press TEMP to change the temperature setting To raise the temperature TEMP setting A9 Pai To lower the temperature V setting Although the fan speed is set automatically you can change the fan speed by pressing the FAN SPEED selector button gt DA 0339 2 To stop the air conditioner press the ON OFF operation button again 13 Operation with the Remote Control Unit continued 2 Manual Operation SET TEMP Dar 3 IL STEP 2 STEP 3 STEP 4 STEP 5 STEP 1 SET CANCEL SETBACK CLIN NOTE Check that the circuit breaker on the power panel is turned on and that the operation selector of the indoor unit is in the ON position If the automatic operation settings of the unit do not meet your needs press the setting buttons as described below and change the settings as desired STEP 1 Press the MODE selector button and select the desired mode For heating operation gt For dehumidifying operation gt For cooling operation gt k STEP 2 To start the air conditioner press the ON OFF operation button STEP 3 Press the TEMP setting buttons to change the temperature setting to the desired temperature Adjustable temperature range 88 F max 60 F min STEP 4 Set the FAN SPEED selector button to the setting you want NOTE If the fan speed is set to Automatic the fan speed switches automatically according to the difference b
50. eg 240 16 9 nz 22 DL 90 63 220 15 5 oS a 2 95 35 0 E 3 bad 80 5 6 80 26 7 T bal 200 14 1 7 19 4 70 4 9 67 09 4 180 12 7 60 4 2 160 11 2 50 3 5 150 10 5 60 70 80 90 100 110 120 10 20 30 40 50 60 70 80 15 6 21 1 26 7 32 2 37 8 43 3 48 9 712 2 6 6 1 1 4 4 10 0 15 6 21 1 26 7 Outdoor inlet air D B temp F C Outdoor inlet air D B temp F C NOTE Overload prevention operates to protect the air conditioner when the outdoor ambient temperature reaches an abnormally high level while in heating mode Refer to 8 5 Overload prevention o Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 80 F D B 67 F W B Heating Indoor air temperature 70F D B Outdoor air temperature 95 F D B Outdoor air temperature 47 F D B 43 F W B 19 Indoor Unit KHS1251 Outdoor Unit CH1251 H Cooling Characteristics E Heating Characteristics 115 V 115 V door inlet air temp F C Indoor inlet air D B temp Operating current A Operating current A 7 60 70 80 290 100 110 120 10 20 30 40 50 60 70 80 15 6 21 1 26 7 32 2 37 8 43 3 48 9 12 2 6 6 1 1 4 4 10 0 15 6 21 1 26 7 Outdoor inlet air D B temp F C Outdoor inlet air D B temp
51. es Clamp the ground wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires Fig 1 Then measure the resistance between the ground wire and the other power wire Fig 1 10 1 2 Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and mea sure the resistance by placing a probe on each termi nal screw on the terminal plate Fig 2 Note that the ground line terminal should be skipped for the check 10 1 3 Outdoor Unit Clamp a metallic part of the unit with the lead clip of the insulation resistance tester and measure the resis tance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate Fig 2 10 1 4 Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the desired electric part from terminal plate capacitor etc Similarly disconnect the connector Then measure the insulation resistance Figs 3 and 4 Refer to Electric Wiring Diagram If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin 64 Ground wire Probe Insulation tester Fig 1 Terminal plate NES Clip Copper tube or metallic part Fig 2 Clip Kg Copper tube or metal
52. etween the actual room temperature and the temperature setting STEP 5 Press the FLAP button and set the airflow direction as desired Refer to Adjusting the Airflow Direction on page 21 To stop the air conditioner press the ON OFF operation button again 01 202 16EG Operation with the Remote Control Unit continued This appliance has a built in 5 minute time delay circuit to ensure reliable operation When the operation button is pressed the compressor will start running within three minutes In the event of power failure the unit will stop When the power is restored the unit will restart automatically after five minutes 3 Adjusting the Fan Speed A Automatic Simply set the FAN SPEED selector button to the position A microcomputer in the air conditioner automatically controls the fan speed when the mode is selected When the air conditioner starts operating the difference between the room temperature and the set temperature is detected by the microcomputer which then automatically switches the fan speed to the most suitable level Cooling and DRY mode When difference between room temperature and set FAN SPEED temperature is 4 F and over High Between 4 F and 2 F Medium Below 2 F Low Heating mode When difference between room temperature and set FAN SPEED temperature is 4 F and over High Below 4 F Medium B Manual If you w
53. g 2 INDOOR Tubing length L UNIT Elevation OUTDOOR T H UNIT Fig 3a Indoor unit For stable operation of the air conditioner do not Minimum height from floor level Wall install wall mounted type 5 ft 1 5 m indoor units under 5 ft 1 5 m from floor level Floor level Fig 3b Table 1 Max Allowable Tubing Limit of Tubing Limit of Elevation Required Amount of Length at Shipment Length L Difference H Additional Refrigerant Model ft ft ft oz ft 25 50 23 8 0 16 9 000 BTU 25 65 23 b 0 27 12 000 18 000 BTU f total tubing length becomes a 25 to 50 ft max b 25 to 65 ft max charge additional refrigerant R22 by a 0 16 oz ft b 0 27 oz ft No additional compressor oil is necessary 42 7 1 2 Outdoor Unit AVOID 9 heat sources exhaust fans etc Fig 4 damp humid or uneven locations DO 9 choose a place as cool as possible 9 choose a place that is well ventilated allow enough room around the unit for air intake exhaust and possible maintenance Fig 5a O Install the outdoor unit above snowfall line Do not place objects on or sit on the out door unit Also never block the air intake outlet or exhaust Distortion of the outdoor unit or incomplete combustion may result Do not introduce foreign matter into the air intake outlet or exhaust Do not poke them with such objects as a stick
54. he indoor PCB Ass y Check fuse on indoor PCB Ass y If fuse has been blown Measure resistance of indoor and or for continuity F Check operation lamp to see if light is ON Light is OFF Measure resistance of primary and secondary winding of transformer TR OK Indoor PCB Ass y or switch Ass y is defective E Check TIMER on the remote control unit Timer is turned ON Check to see YES gt fan motor winding FM ie Measure resistance of compressor motor winding CM ies Measure coil resistance of power relay PR OK Replace the fuse if is displayed on remote control 57 gt Cancel the timer mode 9 2 3 Only outdoor unit does not run A Check setting temperature COOL HEAT Is room temperature too low Is room temperature too high ie K Try to lower setting temperature by Try to raise setting temperature by temperature setting button Ge button temperature setting button button Outdoor unit still does Outdoor unit still does not run not run Try to run using another remote Try to run using another remote control unit control unit OK OK Remote control unit is defective Remote control unit is defective B Check PCB Ass y in either indoor or outdoor unit Check voltage
55. he remote control unit may be operated either from a non fixed position or from a wall mounted position To ensure that the air conditioner operates correctly DO NOT install the remote control unit in the following places In direct sunlight Behind a curtain or other places where it is covered More than 26 feet 8 m away from the air conditioner In the path of the air conditioner s airstream Where it may become extremely hot or cold Where it may be subject to electrical or magnetic noise Where there is an obstacle between the remote control unit and air conditioner since a check signal is sent from the remote control unit every 5 minutes 01 202 12EG Mounting the Remote Control Unit 01 202 13EG Using the Remote Control Unit continued Removable mounting Non removable mounting Mounting on a wall By Packed with the indoor unit Wall Wall Packed with the indoor unit A Removable mounting 1 2 3 4 Momentarily hold the remote control unit at the desired mounting position Confirm that the air conditioner responds correctly when you press keys on the remote control from that position After confirming correct operation use a screwdriver to screw the mounting screw into the wall Hang the remote control unit from the mounting screw B Non removable mounting 1 2 Momentarily hold the remote control unit at the desired mounting position Confirm that
56. inal output C R132H6D 1 300 Compressor oil Amount SUNISO 4GSD T 500 Coil resistance ambient temp 68 F 20 C C R 1 442 C S 2 430 Safety devices Type External OLR Overload relay MRA991 17 9200 Run capacitor Crank case heater Fan amp Fan Motor 230V 20W Type Propeller Q ty Dia and length inch mm 1 16 17 32 e 420 Fan motor model Q ty KFG6 51E6PA 1 No of poles rpm 230V High 6 830 Nominal output 50 Coil resistance ambient temp 68 F 20 C WHT BRN 102 PNK WHT 199 Run capacitor Heat Exchanger Coil Coil Rows Aluminum plate fin Copper tube Fin pitch 1 16 1 6 Face area 5 13 0 477 External Finish Acrylic baked on enamel finish DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 3 Other Component Specifications 2 3 1 Indoor Unit 1 Indoor unit KHS0951 Transformer ATR T4 Rating Primary AC 115V 60Hz Secondary 19V 0 5A Thermistor Coil sensor DTN TKS131B Resistance kQ 32 0 C 15 2 Thermistor Room sensor in lamp Ass y DTN TKS134B Resistance kQ 77 25 5 3 DATA SUBJECT TO CHANGE WITHOUT NOTIGE 2 Indoor unit KHS1251 Transformer ATR TA Rating Primary AC 115V 60Hz Secondary 19V 0 5A Thermistor Coil sensor DTN TKS131B Resistance kQ 32 0 C 15 2 Thermistor Room sensor in lamp A
57. irt from the air and reduces odors and smoke from tobacco KHS0951 KHS1251 The air cleaning filter is not provided with the air conditioner and must be purchased separately The first time that you buy the air clean filter it is necessary to get the STK ARF4B model with frame When changing the filter subsequently it is only necessary to replace the filter itself model STK F4B Do not throw away the filter frame KHS1852 The air clean filter is not provided with the air conditioner and must be purchased separately Ask for the STK F4B model when purchasing The air cleaning filter cannot remove harmful gases or vapors nor ventilate air in the room You must open doors or windows frequently when you use gas or oil heating appliances Otherwise there is a risk of suffocation in extreme cases Air clean filter The air cleaning filter needs to be STK F4B installed behind the anti mold filter 1 Remove the anti mold filter 2 To mount the STK F4B set the air clean filter sold separately at the mounting position with the black side facing the rear To mount the STK ARF4B mount the air clean filter in the position shown in the diagram with the STK F4B FRONT marking facing the front 3 Reinstall the anti mold filter and close the suction grill Air clean filter In general the filter should be STK ARF4B replaced once every three months Dirty air clean filters cannot be washed a
58. it 9 1 3 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied 9 1 4 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly connected O Check that wiring is correct 54 9 2 Air conditioner does not operate 9 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 0 Check insulation resistance If resistance value is 2MQ or less insulation is defective NO WARNING Set circuit breaker to OFF D Remove both power supply wires and inter unit wires from terminal plate in outdoor unit Measure insulation resistance of outdoor unit Remove inter unit wires from terminal plate in indoor unit Measure insulation resistance of indoor unit Indoor Inter unit Outdoor Power supply unit wiring unit wiring WE X 1 8 x L2 Circuit Power 2 X x 2 7 Xx i breaker supply 3 xX x 3 4x x 4 5 x X 5 61x x 6 G x XG G xi Ground NO Insulation of gt outdoor unit is defective Measure insulation resistance of electrical parts in outdoor unit NO Insulation of indoor unit is defective e Measure insula
59. lic part O O Insulation tester Fig 3 From fan motor compressor and other parts Metallic part Clip Insulation tester Fig 4 10 2 Checking Continuity of Fuse on PCB Ass y Remove the PCB Ass y from the electrical compo nent box Then pull out the fuse from the PCB Ass y Fig 5 Check for continuity using a multimeter as shown in Fig 6 10 3 Checking Motor Capacitor Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multime ter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original position The range of deflection and deflection time differ according to the capacity of the capacitor 65 PCB Ass y S eee Compressor motor capacitor Fuse Fan motor capacitor Fuse Multimeter Fig 5 Fig 6 Fig 7 11 ARRANGEMENT OF ELECTRICAL COMPONENT Indoor Unit KHS0951 KHS1251 Controller A Controller B PCB Ass y A PCB Ass y B NES Transformer UU J 96 96099 Terminal base 90989 I 123456 Coil temp thermistor CU pague Room temp thermistor Flap motor Indoor Unit KHS1852 Coil temp thermistor Fan motor capacitor Transformer
60. nce When this happens a microcomputer defrosting system operates At the same time the fan on the indoor unit stops and the STANDBY lamp remains lit until defrosting is completed Heating operation restarts after several minutes This interval will vary slightly depending upon the outdoor temperature and the way in which frost forms For several minutes after the start of heating operation the indoor fan will not start running until the indoor heat exchanger coil has warmed up sufficiently This is because the COLD DRAFT PREVENTION SYSTEM is operating During this period the STANDBY lamp remains lit The STANDBY lamp also remains lit during defrosting or when the compressor has been turned off by the thermostat when the system is in the heating mode Upon completion of defrosting and when the compressor is turned on again for heating operation the STANDBY lamp will go off automatically In the event of power failure the unit will stop When the power is resumed the unit will restart automatically after five minutes In heating or cooling operation any plastic parts may expand or shrink due to a sudden temperature change In this event a clicking sound may occur This is normal and the sound will soon disappear The remote control unit sends the setting condition to the air conditioner regularly at five minute intervals Ol 202 18EG Using the 12 Hour ON and OFF Timer 1 TIMER ON mode After the length of time set f
61. nd reused Purchase a replacement filter at your local dealer e 2 KHS0951 KHS 1251 Wipe clean using a soft dry cloth To remove stubborn dirt moisten a cloth in warm water no hotter than 104 F wring thoroughly and then wipe The air intake grille can be removed in order to wash it with water OI 202 22EG Care and Cleaning continued Removing and remounting With the air intake grille open Air intake grille the air intake grille all the way grip both arms with your hands and pull toward you to remove To remount hold the air intake grille roughly horizontal and push it in until the arm shafts fit into the indentations in the main unit then fit the grille into place Le CAUTION When using a footstool or the like be careful not to let it tip over Washing the grille with Clean the grille gently using a soft sponge or the like Then wipe away water any remaining moisture Neutral detergent may be used to remove stubborn dirt Then rinse thoroughly with water and wipe away any remaining moisture H ps for Energy Saving Do not Block the air intake and outlet of the unit If they are obstructed the unit will not work well and may be damaged Let direct sunlight into the room Use sunshades blinds or curtains If the walls and ceiling of the room are warmed by the sun it will take longer to cool the room Do e Always try to keep the air
62. nit You assign the addresses by matching the switch positions of each indoor unit with the switch positions of its remote control unit The switches of the remote control unit are shown in Fig 8 For instance to set up 2 indoor units switch Unit A s address switches Then switch Unit B s address switch ACIE OB es It is important that you match the switches of the air Address conditioner unit with the switches of its remote control unit 7 3 1 Finding the Address Switches NOTE Remote Control Unit Address switch is in A position at time of shipment Remove the lid and unit s 2 batteries You can see the switches inside the battery compartment Fig 8 Fig 8 KHS0951 KHS1251 Ns BE Sure to turn ms air con ditioner off and disconnect the power before opening the unit AN Risk of Electric Shock 7 3 2 Switch Positions for Up to 2 Units KHS1852 Indoor Unit Remove the casing then follow the steps below a Unscrew the cover plate of the electrical component box Remove the PCB Locate and cut the jumper wire Figs 9 and 10 b Table 2 shows the positions you can use for up to 2 indoor units installed in the same room Figs 8 9 and 10 Table 2 Remote Control Indoor Unit Jumper Wire Unit No Address T An indoor unit cannot be remote controlled if its remote cont
63. nsnnnannnnsnnnnnnnnnnnsannnnnnnnnsananannaa 55 9 3 Some part of air conditioner does not operate EEN 59 9 4 Air conditioner operates but abnormalities are observed nennen eenen evene 61 9 5 If a sensor IS defective oie eta Oo D o te ia 63 10 CHECKING ELECTRICAL COMPONENTS 10 1 Measurement of Insulation Resistance AAA 64 10 2 Checking Continuity of Fuse on PCB ASS nnn nnennnnnenenennnenenennnnerrennnneereeenneeen eenn 65 10 3 Checking Motor Capacitor ette rnt erret ed te AECH NEEN 65 11 ARRANGEMENT OF ELECTRICAL COMPONENT APPENDIX INSTRUCTION MANUAL 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 95 F D B 71 F W B 115 F D B Minimum 67 F D B 57 W B 67 F D B Heating Maximum 80 F D B 67 F W B 75 F D B 65 F W B Minimum D B W B 17 F D B 15 F W B 2 SPECIFICATIONS 2 1 Unit Specifications 1 Indoor unit KHS0951 Outdoor unit CHO951 Cooling Heating Voltage Rating 115V 60Hz Performance Cooling Heating Capacity BTU h 9 100 10 900 kW 2 67 3 19 Air circulation High ft min m3 min Moisture removal High Pints h 2 0 Electrical Rating Cooling Heating Available voltage range Running amperes 8 5 8 4 Power input 890 890 Power factor 91 92 SEER HSPF 6 8 Compressor locked rotor amperes Heater element
64. on CANCEL button ACL button ADDRESS switch 9 Battery compartment Pull off the cover to expose the O batteries NOTE The illustration above pictures the remote control unit after the cover has been lowered and removed Transmitter When you press the buttons on the remote control unit the 3 mark appears in the display and the setting changes are transmitted to the receiver in the air conditioner Display Information on the operating status is displayed while the remote control unit is switched on If the unit is turned off only the mode that was set previously is still displayed NIGHT SETBACK button For details see NightSetback Mode When you press this button in the DRY COOL or HEAT mode the mark appears in the display and the remote control unit automatically adjusts the set temperature to save energy TEMP setting buttons Press the 9 button to increase the temperature setting Press the button to reduce the temperature setting ON OFF operation This button is for turning the air conditioner on and off button TIMER ON button The air conditioner starts at the set time TIMER OFF button The air conditioner stops at the set time 8 OI 202 10EG Remote Control Unit continued MODE selector button Green or red AUTO Red HEAT Orange DRY Green COOL Use this button to select the AUTO HEAT DRY and COOL mode When this setting is sel
65. on protect the compressor from being damaged due to flow back of the liquid refrigerant to the com pressor when the outdoor temperature is very low Low ambient operation during heating can cause the outdoor heat exchanger to become super cooled which may result in liquid back flow To protect the compressor from this condition both compressor and outdoor fan stop if the outdoor temperature drops around 5 F However the indoor fan continues to operate even after the compressor has stopped Note that standby lamp does not lights up during this period Outdoor air temp 17 F 5 F Compressor and Outdoor fan Indoor fan Standby lamp 53 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting JEE Hazardous voltage can cause ELECTRIC SHOCK or DEATH Disconnect power or turn off circuit breaker before you start checking or servicing 9 1 1 Check power supply wiring Check that power supply wires are correctly connected to terminals No 7 L1 and No 8 L2 on the terminal plate in the outdoor unit Indoor nter unit DE unit Power wiring O O Ov 2 D O u 6 ENSE supply Dien ingle phase 60Hz i 8 115V CH0951 CH1251 control wiring 230 208V CH1852 O wi 9 9 71 auus 9 1 2 Check inter unit wiring Check that inter unit wiring is correctly connected to the indoor unit from the outdoor un
66. or TIMER ON elapses the unit begins Example operating The display depicted at left indicates that the air conditioner will begin operating in three hours H Setting procedure STEP 1 Press the MODE selector button and select the desired operation mode See Operation with the Remote Control Unit page 14 STEP 2 Press the TIMER ON button For example to set the timer to turn on the air NE conditioner after three hours have elapsed press the OND OFFO TIMER ON button three times Reg The time can be set to from one to twelve hours in one GIC hour steps gt 1o 2 uus 12 STEP 3 Press the SET button The display changes immediately to its status previous to timer setting but the indication remains To check the status of the timer while it is counting down press the SET button Cancellation procedure Press the CANCEL button 2 TIMER OFF mode After the length of time set for TIMER OFF elapses the unit stops Example operating The display depicted at left indicates that the air conditioner will stop operating in five hours H OFF Setting procedure STEP 1 STEP 2 Press the TIMER OFF button For example to set the timer to turn off the air conditioner after five hours have elapsed press the TIMER OFF button five times The time can be set to from one to twelve hours in one hour steps Press the SE
67. r later By combining the 1 Hour OFF Timer and 12 Hour ON Timer it is possible to have the unit operate for just one hour from the present time and then have it switch on again later at a time specified by you Example Having the unit operate for just one hour from the present time and then switch on again three hours from the present time Timer setting El Operate Stop Operate 1 hour 2 hours 3 hours Setting procedure STEP 1 Press the 1 HR TIMER button STEP 2 Press the TIMER ON button and use the SET button to set the unit to turn on three hours later Set the 1 Hour OFF Timer and the 12 Hour ON Timer simultaneously Unless you set the 1 Hour OFF Timer and the 12 Hour ON Timer at the same time the 1 Hour OFF Timer may operate for one hour or more OI 202 22EG 1 Horizontal AN emend 2 Vertical FLAP FAN SPEED MODE E CCD ONO OFFO C C NICHT SET CANCEL SETBACK C CIC Y BATTERIES OQ ACL A Sweep function Adjusting the Airflow Direction The horizontal airflow can be adjusted by moving the vertical vanes with your hands to the left or right ELY Ess AITTITTA When the humidity is high the vertical vanes should be in the front position during the cooling or dehumidifying operation If the vertical vanes are positioned all of the way to the right or left condensation may begin to fom around the air vent and drip do
68. ress switch changes to prevent mixing of signals from remote control units when two Sanyo air conditioners are installed next to each other Normally the address switch is set to A When switching the address the remote control unit must be changed to B For more information please contact the dealer where you made the purchase OI 202 11EG How to Install Batteries How to Use the Remote 10 Control Unit Remote Control Unit Installation Position DO NOT Using the Remote Control Unit 1 Slide the cover in the direction indicated by the arrow and remove it 2 Install two AAA alkaline batteries Make sure the batteries point in the direction marked in the battery compartment 3 Use a thin object such as the tip of a pen to press the ACL button The batteries last about six months depending on how much you use the remote control unit Replace the batteries when the remote control unit s display fails to light or when the remote control cannot be used to change the air conditioner s settings Use two fresh leak proof type AAA alkaline batteries In replacing batteries follow the instructions as mentioned in the sub section How to Install Batteries If you do not use the remote control unit more than 1 month take out the batteries When using the remote control unit always point the unit s transmitter head directly at the air conditioner s receiver Air conditioner Indoor unit T
69. rol unit is too far away more than 26 ft If the 1 A Po Morgu remote control unit does not seem to work correctly 2 B Cut bring it closer to the unit being operated and try again For this reason if the remote control unit is to be used from a fixed position operation should be checked at that position before mounting 45 7 4 Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality For field wiring requirements please refer to your local electrical codes Carefully observe these reg ulations when carrying out the installation Refer to the wiring system diagram Fig 11 Refer to your local codes or in the absence of local codes with the National Electric Code ANSI NFPA70 WARNING O Be sure to comply with local codes on running the wire from the outdoor unit to the indoor unit size of wire and wiring method etc Each wire must be firmly connected No wire should be allowed to touch refrigerant tubing the compressor or any moving part WARNING 9 To avoid the risk of electric shock each air conditioner unit must be grounded Be sure to connect the power supply line to the outdoor unit as shown in the wiring diagram The indoor unit draws its power from the outdoor unit WIRING SYSTEM DIAGRAM CHO951 CH1251 Models
70. ss y DTN TKS134B Resistance kQ 77 F 25 5 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE 3 Indoor unit KHS1852 Transformer ATR T5 Rating Primary AC 230V 60Hz Secondary 19V 0 5A Thermistor Coil sensor DTN TKS131B Resistance kQ 32 0 C 15 2 Thermistor Room sensor DTN TKS142B Resistance kQ 77 F 25 5 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 3 2 Outdoor Unit 1 Outdoor Unit CHO951 PTC Thermistor seg SHE ES Power Relay PR Coil rating Coil resistance at 68 F 20 C Contact rating Thermostat Defrost thermo 23D Operating temp F C Thermostat Low temp cutoff 23A Operating temp F C 4 way Valve Solenoid coil Coil rating 2 Outdoor Unit CH1251 PTC Thermistor Resistance Q at 77 F 25 C Power Relay PR ene ke Coil resistance Q at 68 F 20 C Contact rating Thermostat Defrost thermo 23D E Oe SE 6 Thermostat Low temp cutoff 23A Operating temp F C 4 way Valve Solenoid coil K Coil rating PS2A E20 470 DFU24D1 F 650 10 AC 250V 20A TRS02 12MSR 5 BAXAT iii nn Diff 14 deg 8 deg below TRS02 M13MSR436 OFF OPEN 5 15 C ON CLOSE 17 F 8 3 C LB69001 Coil VH79102 Valve DATA SUBJECT TO CHANGE WITHOUT NOTICE PS2A E20 470 47 25 DFU24D1 F 650 10 AC 250V 20A TRS02 12MSR E tae BAxA iP Diff 14 deg 8 deg below TRS02 M13MSR436 OFF OPEN 5 15 C
71. st 3 minutes To protect the compressor from stalling out when trying to start against the high side refrigerant pres sure the control circuit has a built in automatic time delay to allow the internal pressure to equalize O As a protective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation O Thermo ON When the room temperature is above T 2 F T C is set temperature Compressor gt ON O Thermo OFF When the room temperature is equal to or below set temperature TF Compressor gt OFF 47 E Heating Room temperature control is obtained by cycling the compressor ON and OFF under control of the room tem perature sensor in the remote control unit O The room temperature and other information is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit Signal from remote control unit More than 5 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes Thermo Thermo Thermo Thermo ON OFF ON OFF V SKER RAR set temp J a IR KEE x D79 AH T 4 F Fr eee Room temp Setspeed 1L Setspeed Tr Outdoor fan Indoor fan Indoor heat exch coil temp 2 95 F 77 F Solenoid coil 4 way valve Standby lamp ON Reversing cycle Operation button OFF ON O The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at
72. stance ambient temp 77 F 25 C Heat Exchanger Coil WHT BLU respectively 4 wires 380 7 Coil Aluminum plate fin Copper tube Rows 2 Fin pitch 1 16 1 4 Face area 1 40 0 130 DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 Indoor unit KHS1251 Control PCB Part No Controls POW KHS125A POW KHS095B Microprocessor Control circuit fuse AC 115V 3A Remote Control Unit RCS 1HS2U Fan amp Fan Motor Type Cross flow Q ty Dia and length inch mm 1 3 3 4 L24 9 32 95 L617 Fan motor model Qty KFV4 21H1PA 1P Nominal output 20 Coil resistance ambient temp 68 F 20 C BLU BRN 100 9 BLU PNK 127 5 Run capacitor Flap Motor Type Stepping motor Model MP24GA1 Rating Coil resistance ambient temp 77 F 25 C Heat Exchanger Coil DC12V WHT BLU respectively 4 wires 380 7 Coil Rows Aluminum plate fin Copper tube 2 Fin pitch inch mm 1 16 1 4 Face area ft m 1 40 0 130 DATA SUBJECT TO CHANGE WITHOUT NOTIGE 3 Indoor unit KHS1852 Control PCB Part No Controls POW KHS1852 Microprocessor Control circuit fuse AC 208 230V 3A Remote Control Unit RCS 1HS2U Fan amp Fan Motor Type Cross flow Q ty Dia and length inch mm 1 3 15 32 L29
73. tdoor units stop O Intermittent ventilation occurs by switching the indoor fan speed between L lt gt LL O Dry operation does not occur when the room temperature is under 15 C which is the monitor zone When the compressor stops the indoor fan stops as well 8 3 Automatic Switching between Cooling and Heating When AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to COOLING or HEATING mode to maintain the desired tem perature Room temp Set temp COOL Room temp Set temp HEAT This means that if the room temperature is higher than or equal to the set temperature COOLING operation begins If the room temperature is lower than the set temperature HEATING operation begins 49 8 4 Freeze Prevention Cooling O This function prevents freezing of the indoor heat exchange coil When the compressor has been running for 10 minutes or more and the temperature of the indoor heat exchange coil falls below 30 F the control circuit stops the compressor for at least 6 minutes The compressor does not start again until the temperature rises above 46 F or 6 minutes has elapsed Thermo OFF Room temp Thermo ON T 4 F Set temp T F M h Indoor heat exch 6 ru coil temp 30 F More than 10 minutes EE Compressor ON Indoor fan Set speed Set speed 8 5 Overload Prevention Heating O This fun
74. te automatic operation 12 Hour ON or OFF Timer This timer can be set to automatically turn the unit on or off at any time within a 12 hour period 1 Hour OFF Timer This timer can be set to automatically turn off the unit at any time after one hour Night Setback Pressing this button changes the setting of the room temperature thermostat allowing you to set the temperature at whatever level that you find comfortable Automatic and 3 step Fan Speed Auto High M edium Low Air Sweep Control This function moves a flap up and down in the air outlet directing air in a sweeping motion around the room and providing comfort in every corner Automatic Switching between Cooling and Heating This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting Hot Start Heating S Right from the start the air is warm and comfortable This system prevents any cold blasts at the beginning while the heat pump is warming up or even defrosting Automatic Restart Function for Power Failure Even when power failure occurs preset programmed operation can be reactivated once power resumes Anti Mold Filter This unit is equipped with an anti mold filter that inhibits the growth of mold and bacteria Optional Air Clean Filter An air filter that uses activated charcoal to eliminate unpleasant odors and clean the air is available sold separ
75. ter another 30 minutes have passed regardless of the indoor temperature when night setback was selected This enables you to save energy without sacrificing comfort This function is convenient when gentle heating is needed Setting temperature Press the 30 min 30 min NIGHT SETBACK Time button 17 DRY Operation How it works Heating Ge Operation Heating performance Defrosting STANDBY lamp STANDBY lamp OPERATION STANDBY TIMER o o J Power failure during operation Clicking Sound Clicking sound is heard from the air conditioner Remote Control Unit 18 Special Remarks Once the room temperature reaches the level that was set the unit repeats the cycle of turning on and off automatically During DRY operation the fan speed is automatically set to LOW or VERY LOW the fan speed then switches back and forth between LOW for 20 seconds and VERY LOW for 10 seconds DRY operation is not possible if the indoor temperature is 59 F or less Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance in conjunction with it When the outdoor temperature is low frost or ice may form on the heat exchanger coil reducing heating performa
76. the nameplate on the bottom of the cabinet Model No Serial No Date of purchase Dealer s address Phone number 01 330 03EG Alert Symbols The following symbols used in this manual alert you to potentially dangerous conditions to users service personnel or the appliance WARNING This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death practice which can result in personal injury or product or property damage 1 CAUTION This symbol refers to a hazard or unsafe AU Avoid Installation Location We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit Before installation check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate Do not install this air conditioner where there are fumes or flammable gases or in an extremely humid space such as a greenhouse Do not install the air conditioner where excessively high heat generating objects are placed To protect the air conditioner from heavy corrosion avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa Electrical Requirements 1 All wiring must conform to the local electrical codes Consult your dealer or a qualified electrician for details
77. the air conditioner responds correctly when you press keys on the remote control from that position After confirming correct operation use a screwdriver to screw the mounting screw into the wall Remove the batteries of the remote control unit Use a screwdriver to screw the remote control unit securing screw into the wall through the hole in the battery compartment Replace the batteries Again confirm that the remote control unit operates correctly 11 Operation with the Remote Control Unit L Automatic Operation STEP 2 STEP 1 SET CANCEL SETBACK CO OC NOTE Check that the circuit breaker on the power panel is turned on and that the operation selector of the indoor unit is in the ON position Once the amp mode is selected and the unit is preset by following the steps below you can have the air conditioner automatically bring the room to the desired temperature simply by pressing the ON OFF operation button STEP 1 Press the MODE selector to select STEP 2 Press the ON OFF operation button To stop the air conditioner press the ON OFF operation button again NOTE To change the temperature setting press the temperature setting buttons and change the setting to the desired temperature The temperature setting changes by two degrees each time one of the TEMP buttons is pressed 12 OI 202 14EG 01 202 15EG Operation with the Remote Control Unit continu
78. tion resistance of electrical parts in indoor unit 55 B Circuit breaker trips in several minutes after turning the air conditioner on O There is a possibility of short circuit Check capacity of circuit breaker Replace with suitable one larger capacity Capacity of circuit breaker is suitable In case of Heating operation Measure resistance of outdoor fan Measure resistance of 4 way valve s motor winding winding Measure resistance of compressor motor winding 9 2 2 Neither indoor nor outdoor unit runs A Power is not supplied Circuit breaker gt is tripped gt Reset breaker Check power supply Power is being supplied to the outdoor unit Wait for recovery gt Power failure MEE or contact power company B Check OPERATION selector switch in the indoor unit OPERATION selector switch is set YES x Lamp Ass y or indoor PCB Ass y is in ON position defective NO Set OPERATION selector switch to ON 56 C Check remote control unit Try to run with another remote control unit First remote control unit is defective gt Clean transmitter Check for residue buildup on transmitter of remote control unit Check for residue buildup on remote control receiver on front of indoor gt Clean receiver unit D Check fuse on t
79. und the air vent and drip down 21 INDOOR UNIT KHS0951 KHS1251 AU Casing and Grille Indoor Unit AP 22 Operation without the Remote Control Unit If you have lost the remote control unit or it has trouble follow the steps below 1 When the air conditioner is not running If you want to turn on the air conditioner switch the operation selector to the OFF position and then to the ON position NOTE The set temperature and fan speed are automatically set at the last selection before stopping 2 When the air conditioner is running If you want to turn off the air conditioner switch the operation selector to the OFF position Care and Cleaning 1 For safety be sure to tum the air conditioner off and also to disconnect the power before cleaning 2 Do not pour water on the indoor unit to clean it This will damage the internal components and cause an electric shock hazard Clean the casing and grille of the indoor unit with a vacuum cleaner brush or wipe them with a clean soft cloth If these parts are stained use a clean cloth moistened with a mild liquid detergent When cleaning the grille be careful not to force the vanes out of place 1 Never use solvents or harsh chemicals when cleaning the indoor unit Do not wipe the plastic casing using very hot water 2 Some metal edges and the fins are sharp and may cause injury if handled improperly
80. when the system is being controlled by the timer STANDBY lamp This lamp lights during the warm up period for heating and when the system is defrosting 01 330 06EG Remote Control Unit Display Displayed when setting temperature Displayed when setting timer Displayed when transmitting data S TT OI 3 Uu Ke D D o OI 202 09EG gt OSs ER MEC 3 Temperature setting 60 88 F When set to 82 F Vl Y Current temperature Yt indication am am 4 Timer 12 hour ON Timer VEE 12 hour OFF Timer OFFC c ee 1 hour OFF Timer NO 5 NIGHT SETBACkK 6 Confirmation of transmission nen R 7 Flap Angle indication UM Sweep indication SH y Remote Control Unit Transmitter O DB e SET TEMP FO Display CEN Cover closed ON OFF operation button 1 HR TIMER button TEMP setting buttons FAN SPEED selector button FLAP button TIMER ON button MODE selector button TIMER OFF button SET button _____ NIGHT SETBACK butt
81. wn The vertical airflow can be adjusted by moving the flap with the remote control unit Do not move the flap with your hands Confirm that the remote control unit has been turned on Use the FLAP button to set either the sweep function or one of the six airflow direction settings The maximum capacity is obtained at the position at 4 HEAT B Setting the airflow manually The flap starts moving up and down to u Referring to the above illustration use 71 deliver air over the sweep range the FLAP button to set the airflow AN emen OI 202 23EG direction within the range used during the heating cooling or dehumidifying operation The flap automatically closes when the unit is off During the heating operation the fan speed will be very low and the flap will be in the horizontal position position 6 until the air being blown out of the unit begins to warm Once the air warms up the flap position and fan speed change to the settings specified with the remote control Use the FLAP button on the remote control to adjust the position of the flap If you move the flap by hand the flap position according to the remote control and the actual flap position may no longer match If this should happen shut off the unit wait for the flap to close and then turn on the unit again the flap position will now be normal again Do not have the flap pointed down during cooling operation Condensation may begin to form aro

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