Sanyo C2462R User's Manual
Contents
1. 8 31 32 T e g c o o zn o x amp Bant 2 8 Remote control unit o o o o o o o o o o o FA t i ces amp N mananan v ls lt 7 OEE a a 6 27 32 5 5 16 2 13 32 25 32 Center of tubing gt Wide tube 3 4 019 05 Narrow tube 3 8 09 52 Drain hose O D 23 32 18 Dimension inch 2199_M_S SM830092 13 3 DIMENSIONAL DATA 2 Outdoor Unit C2462R CL2462R 6 23 32 25 31 32 196 13 3 8 15 15 16 37 fh i 36 5 8 Dimension inch CD Hole for anchor bolt 4 R1 4 Refrigerant tube joint narrow tube Flare connection 3 8 in 9 52 mm Refrigerant tube joint wide tube Flare connection 3 4 in 19 05 mm 4 Refrigerant tubing inlet 5 Power supply inlet SM830092 14 4 COOLING CAPACITY C Indoor Unit KS2462R Outdoor Unit C2462R 230V 1 phase 60Hz RATING CAPACITY 27 000 BTU h AIR FLOW RATE EVAPORATOR CONDENSER 559 Cu ft min ENT TEMP F C AMBIENT TEMP F C 27 350 26 030 24 520 22 820 20 930 1 66 1 81 1 97 2 23 2 49 18 460 17 640 16 740 15 760 14 710 WB 75 85 952. 230V 208 V Outdoor fan speed Low High 170 TT Indoor 5 i temp 2 160 C g 150 HH 2 _ 85 30 140 I A _ 30 tte LLLI 80 27 g 130 TE 5 75 24 S 120 paz 70 21 M HT 110 1 1 59 68 77 86 95 104 15 20 25 30 35 40 Outdoor ambient temp 1066_X_S SM830092 19 5 PERFORMANCE CHARTS 2 High and Low Pressure Indoor Unit KS2462R Outdoor Unit CL2462R High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature Indoor relative humidity 50 Indoor fan speed High 230 208V Outdoor fan speed Low Med High 500 Indoor temp 480 F C 460 420 400 360 222 22 320 H 2 iid 23 32 41 50 59 68 77 86 95 104 5 0 5 10 15 20 25 30 35 40 w R Discharge pressure psig Outdoor ambient temp F C 1067_X_S Low Pressure Low pressure characteristics versus outdoor ambient temperature and indoor temperature Indoor relative humidity 50 Indoor fan speed High
3. 230 208V Outdoor fan speed Low Med High 170 T T T T T T Indoor l 1 1 1 1 temp a TS 8 150 2 IT t Li 85 30 2 140 Dr Her a es ee 80127 5 130 4 Lt FEH 75 24 5 120 CL Ti Ll 70 21 a 1 110 itt itt aie 23 32 41 50 59 68 77 86 95 104 5 0 5 10 15 20 25 30 35 40 Outdoor ambient temp F 1068_X_S SM830092 20 6 AIR THROW DISTANCE CHART Indoor Unit KS2462R Room temp 80 F 26 7 C Fan speed High Axis air velocity ft sec Vertical distance ft Horizontal distance ft Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 2200 M S 21 5 830092 7 REFRIGERANT FLOW DIAGRAM Indoor Unit KS2462R Outdoor Unit C2462R Indoor Unit Outdoor Unit Wide tube I I O D O D 5 3 4 3 4 19 05 19 05mm 1 Bi 1 S pressure 5 switch I I 2 x I 9 Narrow tube 8 service valve Capillary tube Strainer Namowtube quot lt I D Sub condenser 3 8 3 8 ee 22 9 52 9 52 2201_M_S Indoor Unit KS2462R Outdoor
4. 8 72 0 81 DATA SUBJECT CHANGE WITHOUT NOTICE SM830092 2 SPECIFICATIONS 2 Major Component Specifications B Outdoor Unit Source 230 208 V 1 phase 60 Hz Controller P C B Ass y CR CL2432 Microprocessor Control circuit fuse 250 Compressor Scroll Hermetic Model ZP23K3E Source 230 208 V 1 phase 60 Hz Nominal output 2 400 Compressor oil 1 120 Coil resistance Ambient temperature 77 F 0 885 C S 1 773 Safety device Internal type Overload relay models Operating temperature Open 284 9 Close 156 189 Operating ampere at 77 F Run capacitor VAC 400 V 40 uF Crank case heater V 230 V 30 W Refrigerant amount charged at shipment lbs kg R410A 6 6 3 High pressure switch ACB 1UB24W Set pressure OFF MPa 4 15 Bis ON MPa 3 15 0 3 Fan Propeller Number diameter mm 1 18 3 32 460 Fan speeds 3 AUTO Fan motor Model 91D6P Source 230 208 V 1 phase 60 Hz No of pole rpm 230 V High 6 879 Nominal output 110 Coil resistance Ambient temperature 68 F WHT 67 14 VLT YEL 11 42 WHT VLT 64 85 YEL PNK 10 60 Safety device Internal Operating temperature 248 9 171 2
5. d E 6 sH 1 I 3 INI IE bp 4 59 68 77 86 95 104 15 20 25 30 35 40 Outdoor ambient temp F C 1061 X S 208V Outdoor fan speed Low High Indoor 14 T T 1 13 F C 85 30 lt 12 80 27 p 2 75 24 5 11 A ZA 70 21 10 4 l l S z Ee o INE O 8 rr x 59 68 77 86 95 104 15 20 25 30 35 40 Outdoor ambient temp F C 1062_X_S SM830092 5 PERFORMANCE CHARTS 1 Operating Current Indoor Unit KS2462R Outdoor Unit CL2462R Operating current characteristics versus outdoor ambient temperature and indoor temperature Indoor relative humidity 50 Indoor fan speed High 230V Outdoor fan speed Low Med High 14 T T T T T T Indoor 1 1 I l 1 I temp 1 1 I l l I 13 t ZH BE F C 12 l l l l l lt 2 pop 85 30 n 80 27 I I I LT d EP A ZA 224 o 21 z 22 9 EBT 24 8 s ME ait Ld E 1 1 I 1 1 1 ae F 23 32 41 50 59 68 77 86 95 104 5 0 5 10 15 20
6. 0 7 3 Wiring System Diagram 2 Outdoor Unit CL models G asss Single phase 4 60 Hz 208 230 V O 9 9 9 9 Ground SM830092 28 9 ELECTRICAL DATA Electrical characteristics Indoor model KS2462R Outdoor model C2462R CL2462R Indoor Unit Outdoor Unit Complete Unit Fan Motor Fan Motor Compressor Performance at 230 208 V 1 phase 60 Hz A 0 38 0 37 0 90 0 90 8 8 9 6 10 1 10 9 Rating conditions kW 0 08 0 07 0 18 0 17 2 02 2 00 2 25 2 24 0 38 0 37 0 90 0 90 11 1 12 4 12 4 13 7 Full load conditions kW 0 08 0 07 0 18 0 17 2 55 2 58 2 81 2 32 Starting amperes A 1 1 1 1 61 55 63 57 Rating Conditions Indoor Air Temperature 80 F DB 67 F WB Outdoor Air Temperature 95 F DB Full Load Conditions Indoor Air Temperature 80 F DB 67 F WB Outdoor Air Temperature 115 F DB SM830092 _ 29 10 ELECTRICAL WIRING DIAGRAMS 1 Indoor Unit KS2462R Electric Wiring Diagram TERMINAL PLATE FAN MOTOR WHT D
7. 9 570 8 970 11 170 10 570 12 840 12 240 14 440 13 840 29 870 28 830 27 720 1 69 1 85 2 03 z 11 150 10 650 10 130 71 12 750 12 250 11 730 21 7 14 420 13 920 13 400 16 020 15 520 15 000 17 620 17 120 16 600 16 040 27 250 15 440 25 970 2 36 2 66 8 890 8 380 10 560 10 050 12 160 11 650 30 470 29 480 28 440 1 72 1 88 2 06 75 10 240 9 810 9 380 23 9 11 910 11 480 11 050 13 510 13 080 12 650 15 110 14 680 14 250 TC Total Cooling Capacity BTU h SHC Sensible Heat Capacity BTU h CI Compressor Input KW Rating conditions are Outdoor Ambient Temp 95 F DB Indoor Unit Entering Air Temp 80 F DB 67 F WB 16 13 760 13 250 5 830092 5 PERFORMANCE CHARTS 1 Operating Current Indoor Unit KS2462R Outdoor Unit C2462R Operating current characteristics versus outdoor ambient temperature and indoor temperature Indoor relative humidity 50 Indoor fan speed High 230V Outdoor fan speed Low High 14 1 71 Indoor i temp 1 I 13 F C lt 12 L H bed IE 85 30 5 1 80 27 A 75 24 I 22 2 9 10 2 I son 7 70 21 1 1 1
8. 380 2 M z som 30 lt OFF HGBV HOT GAS BYPASS VALVE ON a e 47 50 59 63 77 81 T 8 3 10 15 17 25 27 OUTDOOR AIR TEMPERATURE F DB Fig 14 SM830092 38 12 SERVICE PROCEDURES 1 Troubleshooting 1 Check before and after Troubleshooting Many problems may happen because of wiring or power supply problems so you should check these areas first Problems here can cause false results in some of the other tests and so should be corrected first Check power supply wiring a Single phase a Check that power supply wires are correctly connected L1 and L2 on the 6P terminal in the outdoor unit Check inter unit wiring aa Check that inter unit wiring AC 230 208 V Line voltage is correctly con nected between the indoor unit and outdoor unit Single phase outdoor unit Indoor Unit Outdoor Unit Inter Unit Wiring Terminal ______ Line voltage 6P Terminal oro 230V 208V 1 230 208 i o i Grounding line OI Er I o 2 A Power suppl Disconnect B 5 Single Sinse switch 230V 208V 60Hz Field supply lt Grounding line 2206_M_S Fig 15 Check power supply Check that voltage is within the specified range 10 of the rating Check that power is being supplied N KE If the following troubleshooting must done with powe
9. Ass y in the indoor unit is defective 0617_X_S D Check compressor motor protectors a High pressure switch 63PH Check high itch Disconnect the socket from 2P WHT connector esp pressure eile j Check the continuity between No 1 and No 2 poles Does high pressure switch of the socket actuate 63PH 15 outdoor heat exchanger coil dirty or are there YES Clean heat exchanger coil obstacles near air suction or remove obstacles inlet of outdoor unit Check if outdoor fan rotates Refer to Only outdoor fan does not run 0618 X S E Transformer in indoor unit Check resistance of transformer winding TR1 1033 X SM830092 42 12 SERVICE PROCEDURES F Check auxiliary relay 1Y or 2Y Check coil resistance of auxiliary relay 1Y or 2Y 0620 X S G Check fuse on the P C B Ass y in the indoor unit Check fuse on the P C B Check coil of compressor motor magnetic contactor 52C Ass y in the indoor unit for continuity When the fuse blows Check resistance of primary and secondary winding of transformer P C B Ass y is defective Check resistance of indoor fan motor winding 43 2219 X S SM830092 12 SERVICE PROCEDURES 3 Outdoor Unit does not Run A Check COOL FAN selector switch in the remote control unit Is MODE selector button NO set to COOL gt Set to COOL 2220_X_S B C
10. Check resistance of primary winding of transformer TR 1038 X S 10 Compressor does not Run Check compressor motor capacitor RC1 OK Check PTC OK Check resistance of compressor motor winding 48 Wait for 30 minutes until com pressor has cooled Compressor runs Compressor internal thermal protector is operated Check power supply voltage Is voltage abnormally low NO 15 outdoor heat exchanger coil dirty or are there obstacles near air suction inlet 1039 8 5 830092 12 SERVICE PROCEDURES 11 Poor Cooling Check installation position Change installation of remote control unit position of remote Does cool air from air condi control unit tioner reach remote control unit directly Is wide tube between indoor unit NO Insulate wide tube and and outdoor unit insulated then execute taping with narrow tube YES Temperature difference TRR Measure temperatures of suction is small Possibility of Charge and discharge air of indoor unit refrigerant refrigerant shortage Temperature difference between suction and discharge air is large enough Approx 10 deg or more Clean filter Air filter is clogged YES Set fan speed to either 5 fan speed set to LOW HIGH or MEDIUM Check clogging of air filter Review cooling load estimate Reduce cooling load or if performance of air conditioner replace t
11. 25 30 35 40 Outdoor ambient temp F 1063_X_S 208V Outdoor fan speed Low Med High 14 Indoor I ay 13 F C j EN lt 85 30 lt 12 HH 80 27 a a 2222 75 24 11 70 21 LL 1 122 l l gt 10 T 9 4 5 L gl a BE 855 L4 ry 3 DE I EE NE E ean 0 23 32 41 50 59 68 77 86 95 104 5 0 5 10 15 20 25 30 35 40 Outdoor ambient temp F 1064_ _5 SM830092 18 5 PERFORMANCE CHARTS 2 High and Low Pressure C Indoor Unit KS2462R Outdoor Unit C2462R High Pressure High pressure characteristics versus outdoor ambient temperature and indoor temperature Indoor relative humidity 50 Indoor fan speed High 230V 208 V Outdoor fan speed Low High 480 Indoor temp F C __ 3 I 80 2 4 75 2 7 70 2 460 440 420 400 380 360 340 cal I 1 Discharge pressure psig 320 I 300 l 59 68 77 86 95 104 15 20 25 30 35 40 Outdoor ambient temp F C 1065_X_S Low Pressure Low pressure characteristics versus outdoor ambient temperature and indoor temperature Indoor relative humidity 50 Indoor fan speed High
12. SPECIFICATIONS 2 Major Component Specifications B Outdoor Unit MODEL No C2462R Source 230 208 V 1 phase 60 Hz Compressor Scroll Hermetic Model ZP23K3E Source 230 208 V 1 phase 60 Hz Nominal output 2 400 Compressor oil 1 120 Coil resistance Ambient temperature 77 F C R 2 28 C S 1 01 Safety device Internal type Overload relay models Operating temperature Open oF 284 9 Close F 156 189 Operating ampere at 77 F A Run capacitor VAC HF 400 V 40 uF Refrigerant amount charged at shipment lbs kg 410 6 6 3 High pressure switch ACB 1UB24W Set pressure OFF MPa 4 15 2 ON MPa 3 15 0 3 Fan Propeller Number diameter mm 1 18 3 32 460 Fan speeds 2 AUTO Fan motor Model 91D6P Source 230 208 V 1 phase 60 Hz No of pole rpm 230 V High 6 879 Nominal output 110 Coil resistance Ambient temperature 68 F BRW WHT WHT VLT VLT YEL YEL PNK 11 42 10 60 6744 6485 Safety device Internal Operating temperature 248 9 171 27 Run capacitor 440 V 4 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 14 1
13. 23 9 29 4 85 0 59 20 150 19 340 18 430 17 450 16 400 15 0 21 930 21 110 20 210 19 220 18 170 23 620 22 810 21 900 20 920 19 870 25 320 24 500 23 600 22 620 24 220 20 930 22 550 2 26 2 52 13 840 12 970 15 530 14 670 17 310 16 440 19 000 18 140 28 380 27 110 25 760 1 67 1 83 2 d 16 130 15 400 14 660 63 17 820 17 100 16 360 17 2 19 590 18 870 18 130 21 290 20 570 19 820 22 990 22 260 21 520 20 700 25 570 19 830 24 000 2 29 2 55 11 810 11 060 13 510 12 760 15 280 14 530 16 970 16 230 29 460 28 300 27 000 1 69 1 85 2 02 13 770 13 170 12 510 67 15 470 14 870 14 210 19 4 17 240 16 640 15 980 18 940 18 330 17 680 f 20 630 20 030 19 370 18 670 27 510 17 920 26 110 2 32 2 59 9 870 9 260 11 570 10 950 13 340 12 730 15 040 14 420 31 020 29 940 28 780 1 7 1 87 2 05 11 500 10 990 10 450 71 13 190 12 680 12 140 21 7 i 14 960 14 450 13 920 16 660 16 150 15 610 18 360 17 850 17 310 16 730 28 300 16 120 26 970 2 35 2 63 9 170 8 650 10 950 10 420 12 640 12 110 31 640 30 620 29 540 1 74 1 9 2 08 75 1 10 560 10 120 9 680 23 9 12 330 11 900 11 450 j 14 020 13 590 13 150 15 720 15 290 14 840 TC Total Cooling Capacity BTU h SHC Sensible Heat
14. Capacity h CI Compressor Input KW Rating conditions are Outdoor Ambient Temp 95 F DB Indoor Unit Entering Air Temp 80 F DB 67 F WB 15 14 340 13 810 5 830092 4 COOLING CAPACITY C Indoor Unit KS2462R Outdoor Unit C2462R 208V 1 phase 60Hz RATING CAPACITY 26 000 BTU h AIR FLOW RATE EVAPORATOR CONDENSER 519 Cu ft min ENT TEMP F C AMBIENT TEMP F C 26 340 25 060 23 610 21 970 20 150 1 64 1 79 1 95 2 23 2 52 17 760 16 960 16 080 15 120 14 100 WB 85 95 29 4 85 0 59 19 360 18 560 17 680 16 720 15 700 15 0 21 030 20 230 19 350 18 390 17 370 22 630 21 830 20 950 19 990 18 970 24 230 23 430 22 550 21 590 23 320 20 150 21 710 2 27 2 55 13 310 12 470 14 910 14 070 16 580 15 740 18 180 17 340 27 330 26 100 24 800 1 66 1 82 1 98 15 540 14 840 14 110 63 17 140 16 430 15 710 17 2 18 810 18 110 17 380 20 410 19 700 18 980 22 010 21 300 20 580 19 780 24 620 18 940 23 110 2 29 2 58 11 390 10 670 12 990 12 260 14 660 13 940 16 260 15 540 28 370 27 250 26 000 1 67 1 83 2 2 13 310 12 720 12 080 67 14 910 14 320 13 680 19 4 16 580 15 990 15 350 18 180 17 590 16 950 19 770 19 190 18 550 17 860 26 490 17 130 25 140 2 32 2 62
15. 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 outdoor units stop 2213 M S Fig 12 Intermittent ventilation occurs by switching the indoor fan speed between L lt gt LL Dry operation does not occur when the room temperature is under 59 F which is the monitor zone When the compressor stops the indoor fan stops as well SM830092 36 11 PROCESSES AND FUNCTIONS 3 Freeze Prevention Freeze Prevention keeps the indoor heat exchange coil from freezing Freezing reduces the efficiency of the unit and frost buildup on the coil blocks cool air circulation from the indoor unit s fan Thermo OFF Thermo ON Room temp T 4 F Set temp T F than than 10 minutes 10 minutes 7 Compressor OFF ON OFF Indoor fan Set speed Set speed 2214 M S Fig 13 Chart Summary and Explanations When the compressor has been running for 6 minutes more and the temperature of the indoor heat exchange coil fall
16. Measure the coil resistance Measure the resistance between each terminal of the socket connected to the indoor fan motor Outdoor fan motor FMO Outdoor unit Measure the coil resistance Measure the resistance in the same manner as explained above 2 5 Motor capacitor Both in indoor and outdoor unit Remove the lead wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in Fig 21 Observe the deflec tion of the pointer setting the resis tance measuring range of the multim eter to the maximum value The capacitor is good if the pointer bounces to a great extent and then gradually returns to its original posi tion The range of deflection and the deflection time differ according to the capacity of the capacitor Multimeter Compressor motor capacitor Fan motor capacitor Fig 21 maxs SM830092 _ 53 12 SERVICE PROCEDURES Continuity of fuse on P C B Ass y Check for continuity using a multim eter as shown in Fig 22 Method Used to Replace Fuse PCB Ass y 1 Remove the PCB Ass y from the electrical component box Fig 22 Fuse 1042 X Soldering iron 2 Remove the fuse from PCB Ass y using pliers while heating the sol dered leads on the back side of the PCB Ass y with a soldering iron 30W or 60W Fig 23 3 For replacement insert a fuse of the same rating to th
17. Unit CL2462R Indoor Unit Outdoor Unit En ae l Wide tube I O D O D 5 3 4 3 4 19 05mm 19 05mm 81 5 I switch o x x 5 LLI I 2 5 Narrow tube o service valve Capillary 1 tube Strainer Narrow tube lt O D lt Sub condenser I 3 8 3 8 9 52 9 52 2202_M_S SM830092 22 8 INSTALLATION INSTRUCTIONS 1 Tubing Length Refrigerant tubing between the indoor and outdoor units should be kept as short as possible e Select and decide the installation location so that the length of the refrigerant tubing will be within the limits given in Table 1 INDOOR Tubing length L UNIT Elevation difference H OUTDOOR UNIT DIORA TIIA A 0711_ _1 Fig 1 Table 3 Max Allowable Tubing Limit of Tubing Limit of Elevation Required Amount of Model Length at Shipment Length L Difference H Additional Refrigerant ft ft ft oz ft C2462R CL2462R 23 132 50 0 43 If total tubing length becomes 23 to 132 ft max additional refrigerant R410A charge of 0 43 oz ft is required No additional charge of compressor oil is necessary SM830092 22 8 INSTALLATION INSTRUCTIONS 2 Selecting the Installation Site Indoor Unit AVOID e areas where leakage of flammable gas may be expected e places wher
18. been left inside the unit Ventilate any enclosed areas when installing or testing the refrigeration system Contact of refrigerant gas with fire or heat can produce poisonous gas Confirm after installation that no refrigerant gas is leaking If the gas comes in contact with a burning stove gas water heater electric room heater or other heat source it can cause the generation of poisonous gas SM830092 oe Table of Contents OPERATING RANGE ull tn MERE eet pont oium he Haa 4 SPECIFICATIONS u 5 maU nslesere i o mew 5 2 Major Component Specifications 7 A Indoor ITE Ju u uuu aaa 7 B Outdoor UNIT eC 8 3 Other Component Specifications 10 CPS MOOR ENE 10 Qutdoor 0 occ 12 DIMENSIONAL DATA nissan nonnen 13 glos 13 rama Tolo SI rcc 14 COOLING CAPACITY 15 PERFORMANCE GHARTS 17 1 Operating CUM ONAL a u u Su ku uuu S 17 2 High and Low Pressure neee ended 19 AIR THROW DISTANCE CHART 21 REFRIGERANT FLOW DIAGRAM wars Rap Cu RUM ini QUA ERI QU 22 INSTALLATION INSTRUCTIONS 23 ELECTRICAL DATA e 29
19. 7 Run capacitor 440 V 4 F Heat exchange Coil Aluminum plate fin Copper tube Rows Fins per inch 2 14 1 Face area 8 72 0 81 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM830092 2 SPECIFICATIONS 3 Other Component Specifications A Indoor Unit MODEL No Power Transformer ATR T5 Rated Primary AC 230 V 60 Hz Secondary AC19V 0 5A Capacity 9 5 VA Primary WHT WHT 457 5 Secondary BRN BRN 3 9 277 F DTN TKS131B 32 F 15 0 2 DTN TKS128B 77 F 5 0 3 IND K301AH MP24GA2 Coil resistance Ambient temprature 77 F Thermistor cut off temperature Thermistor Coil sensor Coil resistance Thermistor Room sensor Coil resistance Lamp Ass y Flap Motor SM830092 10 2 SPECIFICATIONS 3 Other Component Specifications A Outdoor Unit MODEL No C2462R Compressor Motor Magnetic Contactor FC 1SUL Coil rated AC 240 V 60 Hz Coil resistance at 68 F Q 587 5 Contact rated Main AC 240 V 26A Contact rated Auxiliary 240 V Power HH62S Coil rated AC 240 V 60 Hz Coil resistance at 68 F 17 2 Contact rated 220 V Thermostat Coil sensor YTB 4U305F Operating Temperature 79 3 OFF 75 ON Contact rated 200 to 240 V 1 A 11 5 830092 2 SPECIFICATIONS 3 Other Com
20. ELECTRICAL WIRING DIAGRAMS ree three ries 30 a Eos Atl ar n 30 2 Outdoor REC 31 PROCESSES AND FUNCTIONS 35 35 2 Dry Operation MEE 36 3 Freeze anneer teen etend 37 4 Outdoor Fan Speed Control LLL une 38 SERVICE 39 1 a 39 2 A Sensor is Defective D 50 3 Checking the Electrical Components errore porno ran onte ne 51 SM830092 1 OPERATING RANGE KS2462R C2462R Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Maximum 95 F DB 71 F WB 115 F DB Minimum 67 F DB 57 F WB KS2462R CL2462R Temperature Indoor Air Intake Temp 67 F DB Outdoor Air Intake Temp Maximum 95 F DB 71 F WB 115 F DB Minimum 67 F DB 57 F WB 0 F DB SM830092 2 SPECIFICATIONS 1 1 Unit Specifications PERFORMANCE Cooling Capacity BTU h kW Air circulation Hi Cu ft min Moisture removal High Pints h ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor S E E R BTU Wh Max starting amperes A FEATURES Controls Microprocessor Timer ON OFF 24 hours amp Progr
21. LATION INSTRUCTIONS Outdoor Unit AVOID e heat sources exhaust fans etc Fig 4 e damp humid or uneven locations DO e choose a as cool as possible e choose a place that is well ventilated and outside air temperature does not exceed maximum 115 F constantly e allow enough room around unit for air intake exhaust and possible maintenance Fig 5 e provide a solid base about 6 inch above grond level to reduce humidity and possible water damage in the unit and decrease service life Fig 6 e Use lug bolts or equivalent to bolt down unit reducing vibration and noise If more than 2 outdoor units are installed in the same location keep at least 3 meters away from the neighboring unit to avoid influence of air discharge Air discharge chamber for top discharge Install the air discharge chamber in the filed when e itis difficult to keep a space of minimum 2 ft between the air discharge outlet and the obstacle e the air discharge outlet is facing the sidewalk and discharged hot air can annoy the passers by Refer to Fig 6 and Fig 7 25 x X fan Hot air W BR Heat source 0591 C I Fig 4 Min Min Obstacle above 1 inch 1 inch lt Min 4 in 7 ft b Air b dis V L charge Min 2 ft q 0931 Ground 0932_C_I Fig 5 Air in Air in Air discharge Concrete block 4 inch x 1 ft 4 inch beam
22. OL L 2 09 ATddNS HIMOd SM830092 33 10 ELECTRICAL WIRING DIAGRAMS Outdoor Unit CL2462R TERMINAL PLATE 6P 1 e Schematic Diagram _ CR CL2462R _ _ CONTROLLER OUTDOOR TEMPERATURE Symbols 854 2 5269 159 00 0 Description Compressor Motor Crankcase Heater Outdoor Fan Motor Compressor Motor Magnetic Contactor Outdoor Fan Motor Thermal Protector High Pressure Switch Low Pressure Switch Hot Gas Bypass Valve Power Transformer Thermistor Outdoor Temperature RC1 2 Running Capacitor RY1 3 1Y Auxiliary Relay CR CL2432 Outdoor Controller F1 2 Fuse Terminal Base lt A 7 K Terminal 34 5 830092 11 PROCESSES AND FUNCTIONS 1 Room Temperature Control The Unit adjusts room temperature by turning the outdoor unit s compressor ON and OFF This process is controlled by the thermostat located in the indoor unit The figures shows how each part of the system performs when the room temperature changes and the thermostat activates the compressor to start thermo ON or stop thermo OFF Fig 1 shows abou
23. TECHNICAL DATA SANYO SERVICE MANUAL KS2462R C2462R CL2462R SPLIT SYSTEM AIR CONDITIONER C2462R 854019 01 854 019 00 CL2462R 854 019 02 Indoor Unit Outdoor Unit 29 C KS2462R C2462R CL2462R 854648419200 REFERENCE NO SM830092 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 Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or unsafe practice which can result in Severe personal injury or death This symbol refers to a hazard or 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 addition
24. Y n o PNK BRN WHT VLT YEL z G 854 2 5269 160 00 0 SM830092 31 10 ELECTRICAL WIRING DIAGRAMS Outdoor Unit C2462R TERMINAL PLATE 6P e Schematic Diagram E IN l BD a S O l gt CD CD r Symbols 854 2 5269 160 00 0 Description Compressor Motor Outdoor Fan Motor Compressor Motor Magnetic Contactor Outdoor Fan Motor Thermal Protector High Pressure Switch Low Pressure Switch Fan Speed Control Thermostat Running Capacitor Auxiliary Relay Terminal Base Connector 32 SM830092 10 ELECTRICAL WIRING DIAGRAMS Outdoor Uni CL2462R 0 00 691 6929 2 798 uL AOEZIV Av 9 a a H NHA TYNINHAL 035 Add Ag9H de dz LHM d amp TJA dE g grz19 H2 H3 T1OHLNOO IVNIINHGLL HluV3 TaANNYD 3 49 ALVId JvNIWH3 L LINN HOOGNI
25. al instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When Wiring 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 ground ing can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheat ing at connection points and a possible fire hazard When Transporting Be careful when picking up and moving the indoor and outdoor units Get a partner to help and bend your knees when lifting to reduce strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers When Installing 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 preven
26. am Fan speed Indoor Outdoor 3 and Automatic control 2 Auto Air deflection Horizontal Vertical Automatic Air filter Washable easy access Remote controller Accessory RCS 1PS4U G Refrigerant control Capillary tube Refrigerant tubing connections Flare type Compressor Scroll Operation sound Indoor Hi Me Lo 48 42 38 Outdoor Hi 55 REFRIGERANT TUBING Limit of tubing length AE 132 40 Limit of tubing length at shipment 23 7 Limit of elevation difference 50 15 between the two units Refrigerant tube Narrow tube in 3 8 9 52 outer diameter Wide tube in 3 4 19 05 Refrigerant amount at shipment R410A 6 6 3 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions in 13 36 5 8 930 i 44 7 8 37 940 8 31 32 13 3 8 340 Package dimensions in 12 25 32 39 3 4 1 010 48 15 32 39 3 8 1 000 94 34 15 31 32 15 3 4 40 Net weight 40 150 68 Shipping weight 44 190 86 5 Shipping volume ft 14 1 0 40 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 80 F 67 F WB Outdoor air temperature 95 F 75 F WB Full load conditions Indoor air temperature 80 F DB 67 F WB Outdoor air temperature 115 F DB SM830092 2 SPECIFICATIONS 1 1 Unit Specifications PERFORMANCE Cooli
27. arry out the wiring closely following the please refer to your LOCAL ELECTRICAL wiring diagram CODES before beginning You must exclusively for each unit and a power relevant rules and regulations supply disconnect and circuit breaker for overcurrent protection should be provided in the exclusive line 3 To prevent possible hazards from insulation failure the unit must be grounded 4 Each wiring connection must be done in accordance with the wiring system diagram Wrong wiring may cause the unit to misoperate or become damaged 5 Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan 6 Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no repsonsibility for any damage or misoperation that occurs as a result of such unauthorized changes SM830092 27 8 INSTALLATION INSTRUCTIONS 7 2 Recommended Wire Length and Wire Diameter for Power Supply System Power Supply B Inter unit Time Delay Fuse or Wirin Models 9 Circuit AGW 14 Capacity C2462R CL2462R 64 ft AWG 12 132 ft 35A 1 Refer to the Wiring System Diagrams See below diagram for the meaning of A and B AWG American Wire Gauge Disconnect SW NOTE Field supply To access the electrical component box open the air B intake grille and remove the electrical component box cover
28. ctrical parts in the indoor unit Insulation of outdoor unit is defective Inter unit power lines are defective Execute rewiring 1032 X S SM830092 40 12 SERVICE PROCEDURES b Circuit breaker trips in several minutes after turning the air conditioner on There is a possibility of short circuit Check capacity of circuit breaker Replace it with a suitable one larger capacity Is capacity of circuit breaker sufficient Check resistance of outdoor fan motor winding Check resistance of compressor motor winding Check resistance of flap motor winding 2218 X S 2 Neither indoor unit nor outdoor unit runs A Power is not supplied Circuit breaker 52 Reset the breaker is tripped Check power supply Is power being supplied to outdoor unit Wait for recovery Power failure or consult power supply company 0615 X S B Check remote control unit Try to run both indoor and outdoor units with another remote control unit The other remote control unit is defective 0616 X S SM830092 41 12 SERVICE PROCEDURES C Check Operation selector switch in the indoor unit Has Operation selector YES Switch been set to ON position IND LAMP Ass y or P C B p Ass y in the indoor unit is defective Set Operation selector switch to ON But neither unit runs Switch Ass y or P C B
29. e intended position and solder it Allow time to radiate heat during sol dering so that the fuse does not melt Pliers When replacing the 1043 fuse be sure not to Fig 23 CAUTION break down the varistor SM830092 54 12 SERVICE PROCEDURES 11 REFRIGERANT R410A SPECIAL PRECAUTIONS WHEN INSTALLING UNIT 11 1 Characteristics of New Refrigerant R410A 11 1 1 What is New Refrigerant R410A R410A is a new refrigerant that contains two types of pseudo non azeotropic refrigerant mixture which do not adversely affect the earth s ozone layer Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 11 1 2 Components mixing proportions 2 50 HFC125 50 11 1 3 Characteristics Less toxic more chemically stable refrigerant The composition of refrigerant R410A changes whether it is in a gaseous phase or liquid phase Thus when there is a refrigerant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state in liquid phase e When refrigerant R410A is used the composition will differ depending on wh
30. e large amounts of oil mist exist Fig 2 direct sunlight e locations near heat sources which may affect performance of the unit e locations where external air may enter the room directly This may cause sweating on the air discharge ports causing them to spray or drip Fig 3 e locations where the remote control unit will be splashed with water or affected by dampness or humidity DO e selectan appropriate position from which every corner of the room can be uniformly air conditioned e selectalocation that will hold weight of the unit e Select a location where the tubing and drain pipe have the shortest run to the outside Fig 2 e allow room for operation and maintenance as well as unrestricted air flow around the unit Fig 3a and 3b e Install the unit within the maximum elevation difference above or below the and Fig 1 on the previous page 24 For stable operation of the air conditioner do wen not install wall mounted outdoor unit and within a total tubing length type indoor units less from the outdoor unit as detailed in Table 1 than 5 ft from floor Indoor unit Drain hose Outside drainage 2203_M_S Fig 2 22222 Z 6 inches 6 inches min 6 inches Z min min 7 INDOOR UNIT Front View 2204_M_S Fig 3a Indoor Unit Minimum height from floor level 5 ft Floor level 2205_M_S Fig 3b SM830092 8 INSTAL
31. ether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in liquid phase Ether type oil is used for compressor oil for R410A type units which is different from the mineral oil used for R22 Thus more attention to moisture prevention and faster replacement work compared with conventional models are required 11 2 Checklist Before Installation Use a clutch type flare tool for R410A or the conventional flare tool Note that sizes of the resultant flares differ between these two tools Where a conventional flare tool is used make sure to observe A Specification amount of protrusion Di A Specification Flare tool for R410A Conventional flare tool for R22 06 35 1 4 0 0 5 mm 1 0 1 5 mm 019 05 3 4 0 0 5 mm 1 0 1 5 mm Size of flare A A lt e 2 Flare tool for R410A Conventional flare tool R22 e Flare nut Because the new refrigerant R410A operates at 1 6 times higher pressure than the conventional refrigerant R22 the flare nuts that came with the unit must be used SM830092 55 12 SERVICE PROCEDURES Tubing precautions Refrigerant R410A is more easily affected by dust or moisture compared to R22 thus be sure to temporarily cover the ends of the tubi
32. he unit with is normal higher cooling capacity 1040_X_S 12 Excessive Cooling Set the temperature to set temperature is too low higher value using temperature setting button of the remote control unit Is the remote control unit installed Change installation at a place where it can 9 position the remote detect the room temperature control unit properly 0637_X_S SM830092 49 12 SERVICE PROCEDURES 2 Sensor is Defective Indoor heat exchanger coil temp Sensor is defective a Open No continuity in sensor Compressor and outdoor fan repeat ON for 10 minutes and OFF for 6 minutes when sensor opens 6 Short Freeze Prevention does not operate when dehumidified water is frozen on the indoor coil Room temp Sensor in the remote control unit is defective a Open No continuity in sensor Neither outdoor fan nor compressor runs b Short Outdoor fan and compressor do not stop Excessive cooling 5 830092 50 12 SERVICE PROCEDURES 3 Checking the Electrical Components 1 Measurement of Insulation Resistance The electrical insulation is acceptable when the resistance exceeds 2 MQ D Power Supply Wires Clamp the earthed wire of the Power Supply wires with a lead clip of the insulation resistance tester and mea sure the resistance by placing a probe on either of the power wires Fig 16 Then measure the resi
33. heck set temperature Try to lower set temperature by Temperature setting button COOLER Set Operation selector switch to TEST in the indoor unit Outdoor unit runs Is room temperature too low Try to run both indoor and outdoor units with another remote control unit The other remote control unit is defective 2221_X_S SM830092 44 12 SERVICE PROCEDURES C Check compressor motor magnetic contactor Check coil resistance of compressor motor magnetic contactor 52C 1035_X_S D Check indoor unit P C B Check P C B Ass y Check voltage between terminals No 2 and No 4 at terminal plate No voltage appears P C B Ass y is defective 0628 X S E Check outdoor unit P C B CL2462R Type Check P C B Ass y Check voltage between terminals L1 and L2 at terminal plate No voltage appears P C B Ass y is defective 1036 X S _ 45 SM830092 12 SERVICE PROCEDURES 4 Indoor Unit does not Run Indoor fan and flap motor do not run P C B Ass y is defective 0630_ _5 5 Some Part does not Operate A Indoor fan does not run Fan cannot Check fan rotation be rotated Rotate the fan gently once or twice by hand Check resistance of fan motor winding OK Check fan motor capacitor OK Relay RY1 or RY2 on the P C B Ass y is defective B Flap motor does not run Check resistance
34. i E YEL un 2 5 5 GRN zB RED 85 G 2 xughrrgf GRN m o zoma CONNECTOR STE 8171654 321 WHT 8 7 6 14 3 2 1 D CAPACITOR G SUP PNK 5P WHT L BRN PRY 1 11 WHT _ GRY WFM RED 3 3 WHT P WHT fw HH VLT HW H 5 8 ORG WJM a 2 SEC 1 1 BRN TEL K L 2P WHT 2 2 BRN BLK HW LL CONNECTOR 3 3 RECEIVER WHT WHT WHT sPIWHT 2 2 LwHT ai WHT 1 1 111 an 22 lt 2 2L BLU 122 B FLP 3 3j BLU T3 3 44 414 BLU 1414 5P WHT LAMP 2 2 GRY 1515 lt 5 5 BLU 4515 4P WHT 1313 616 4 4 77 2 FLAP MOTOR UPPER E CONTROLLER CONNECTOR COIL THERMISTOR TH1 WHT BEN Eee ek lt 2 2 BLU I2 2 ROOMICOIL 2 2 BLK FLP 3 3 BLU 313 FLAP2 WHT 3 3 BLK wo 4 4 BLU 4 4 5P BLK 4 4 BLK BLU 515 55 ROOM THERMISTOR TH2 MOTOR LOWER 30 8512 5253 714XX 1 KS2432A SM830092 10 ELECTRICAL WIRING DIAGRAMS Outdoor Unit C2462R Electric Wiring Diagram TERMINAL PLATE 6P POWER SUPPLY 60Hz 1e 208V 230V TO INDOOR UNIT EARTH TERMINAL BRN WHT VLT EARTH TERMINAL N N GRY Teler GRY n o N GRY 2 GR
35. ists of P plug and S socket when you want to check the protective device Then check continuity among plug s and or socket s terminal as in Fig 20 The Protective Device is proved normal if there is a continuity between terminals socket Multimeter Fig 20 0642 X S p Indoor fan motor thermal protector 49Fl Indoor unit Disconnect the connector which leads to the indoor fan motor FMI e Check the socket s terminals 2 Compressor motor thermal protector Disconnect the wires from terminals of compressor 525 Outdoor unit Check the terminals of compressor 9 Outdoor fan motor thermal protector 49FO Outdoor unit Disconnect both the connector which leads to the outdoor fan motor FMO Check socket s terminal SM830092 52 12 SERVICE PROCEDURES 3 Checking the Electrical Parts Power transformer Indoor unit Measure the coil resistance Primary 230 208 V Measure the resistance between two WHT lead wire terminals of socket connected to power transformer Secondary 19V Measure the resistance between two BRN lead wires 2 Power transformer TR Outdoor unit Measure the coil resistance Primary 230 208 V Measure the resistance between two WHT lead wire terminals of socket jointed to power transformer Secondary 19 V Measure the resistance between two BRN lead wires Indoor fan motor FMI Indoor unit
36. mperature 80 F DB 67 F WB Outdoor air temperature 95 F DB 75 F WB Full load conditions Indoor air temperature 80 F DB 67 F WB Outdoor air temperature 115 F DB SM830092 2 SPECIFICATIONS 2 Major Component Specifications A Indoor Unit MODEL No KS2462R Source 230 208 V 1 phase 60 Hz Remote controller Accessory RCS 1PS4U G Controller P C B Ass y CR KS2462R Control circuit fuse 250 Cross flow Number Dia and length 1 O D 4 100 L33 3 8 847 Fan motor Model KFG4X 31B6P S Source 230 208 V 1 phase 60 Hz No of pole r p m 230 V High 4 1 365 Nominal output 30 Coil resistance Ambient temperature 68 F BRW WHT WHT VLT VLT ORG 161 2 ORG YEL 269 11 6 YEE BLK 228 687 BLK PNK 1152 Safety device Internal Operating temperature 266 9 181 27 Run capacitor 440 1 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows Fins per inch 2 19 5 Face area 2 30 0 214 Flap Motor Type Stepping motor Model Q ty 24 2 2 Step angle 5 625 deg step Rating DC 12 V Coil resistance Ambient temperature 77 F 400 7 DATA SUBJECT TO CHANGE WITHOUT NOTICE SM830092 2
37. nded Vacuum pump 2 can be used if the following adapter is attached Vacuum pump adapter reverse flow prevention adapter 3 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale for charging refrigerant Flare tool Tools which can be com monly used for R22 R407C and R410A Bender Torque wrench Cutter reamer Welding machine nitrogen gas cylinder AN The above tools specifically for R410A must not be used for R22 and R407C Doing so will cause malfunction of the unit e For the above vacuum pump 1 2 and vacuum pump adapter 3 those for R22 type units can be used for R407C type However they must be used exclu sively for R410A and never alternately with R22 and R407C To prevent other refrigerants R22 R407C from being mistakenly charged to this unit sizes of the service ports and flare nuts of the narrow tube service valve and wide tube service valve have been altered 5 830092 57
38. ng Capacity BTU h kW Air circulation Hi Cu ft min Moisture removal High Pints h ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor S E E R BTU Wh Max starting amperes A FEATURES Controls Microprocessor Timer 1 hour OFF ON OFF 12 hours amp Program Fan speed Indoor Outdoor 3 and Automatic control 3 Auto Air deflection Horizontal Vertical Automatic Air filter Washable easy access Remote controller Accessory RCS 1PS4U G Refrigerant control Capillary tube Refrigerant tubing connections Flare type Compressor Scroll Operation sound Indoor Hi Me Lo 48 42 38 Outdoor Hi 55 REFRIGERANT TUBING Limit of tubing length NE 132 40 Limit of tubing length at shipment 23 7 Limit of elevation difference 50 15 between the two units Refrigerant tube Narrow tube in 3 8 9 52 outer diameter Wide tube in 3 4 19 05 Refrigerant amount at shipment R410A 6 6 3 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions in 13 36 5 8 i 44 7 8 37 8 31 32 13 3 8 Package dimensions in 12 25 32 39 3 4 48 15 32 39 3 8 15 31 32 15 3 4 Net weight 40 150 Shipping weight 44 190 Shipping volume ft 14 1 DATA SUBJECT CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air te
39. ng with caps or tape prior to installation Never use 0 7mm thick copper tubing or tubing which is less than 0 8mm in thickness since air conditioners with R410A are subject to higher pressure than those using R22 and R407C Outer diameter mm inch Tubing wall thickness mm inch Narrow tube 06 35 1 4 0 8 0 032 Wide tube 919 05 3 4 1 0 0 042 e No addition of compressor oil for R410A No additional charge of compressor oil is required e No use of refrigerant other than R410A Never use a refrigerant other than R410A If refrigerant R410A is exposed to fire Through welding etc toxic gas may be released when R410A refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work Caution in case of R410A leak Check for possible leak points with the special leak detector for R410A If a leak occurs inside the room immediately provide thorough ventilation 56 5 830092 12 SERVICE PROCEDURES 11 3 Tools Specifically for R410A e For servicing use the following tools for R410A Tool Distinction Tool Name Tools specifically for R410A Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recomme
40. of flap motor winding O P C B Ass y or remote control unit is defective 2225 46 Check fan casing for foreign matter Remove foreign on the inside matter or repair Fan motor burnout or foreign matter in bearing Repair or replace 0631 X S SM830092 12 SERVICE PROCEDURES 6 Outdoor Fan does not Run Check fan casing for foreign matter Fan cannot on the inside Check fan rotation be rotated Rotate the fan gently once or twice by hand Remove foreign matter or repair Fan motor burnout or foreign matter in bearing Repair or replace Check resistance of fan motor winding Check fan motor capacitor Check continuity between terminals on the compressor motor magnetic contactor 0633 X S 7 Outdoor Fan Speed is not Switched from High to Low even when the Outdoor Temperature Falls below 78 F C2462R Type Check the thermostat 23S 1037 X S 8 Outdoor Fan Speed is not Switched from High to Med even when the Outdoor Temperature Falls below 77 F Outdoor Fan Speed is not Switched from Med to Low even when the Outdoor Temperature Falls below 59 F CL2462R Type Check outdoor unit P C B Ass y Check resistance of outdoor temp sensor SM830092 47 12 SERVICE PROCEDURES 9 Outdoor Fan does not Run for CL2462R e Check fuse on PCB Ass y in outdoor unit for continuity If fuse blows
41. ponent Specifications B Outdoor Unit MODEL No CL2462R Compressor Motor Magnetic Contactor FC 1SUL Coil rated AC 240 V 60 Hz Coil resistance at 77 F Q 587 5 Contact rated Main AC 240 V 26 A Contact rated Auxiliary 240 V Power Relay HH62S Coil rated AC 240 V 60 Hz Coil resistance at 77 F 17 2 Contact rated 220 V Power Transformer 135 Rated Primary AC 220 V 60 Hz Secondary 14 V 0 2 A Capacity 2 8 VAC Coil resistance at 78 F Q WHT WHT 482 5 BRN BRN 3 95 Thermal cut off temperature F 266 Thermistor Outdoor Temp sensor 41E 54 Coil resistance kQ Solenoid control valve or coil Solenoid control valve VPV 202DQ50 Solenoid coil VPV MOAQ517B1 SM830092 12 3 DIMENSIONAL DATA 1 Indoor Unit KS2462R qa CERT e IL JL JT Tr JL fl JL JL IL JL JL JL JL IL IL IL IL IL IL IL IL i IL IL IL IL IL IL IL IL IL
42. r being supplied be careful not to touch any uninsulated live part that can cause ELECTRIC SHOCK Check the lead wires and connectors in indoor and outdoor units Check that the sheath of lead wires is not damaged J Check that the lead wires are firmly connected at the terminal plate Check that the wiring is correct Reference e Condition of general cooling operation Thermo SWEEP trie ON Indoor fan speed HIGH SM830092 _ 39 12 SERVICE PROCEDURES 2 Air Conditioner does not Operate Circuit breaker trips or fuse blows a When the circuit breaker is set to ON it is tripped soon There is a possibility of ground fault e Check insulation resistance If resistance value is 2 MQ or less it is a defect of insulation Example breaker Inter unit power line Ground Set the circuit breaker to OFF Remove power supply cords from the terminal plate in the outdoor unit Check insulation resistance of power supply cords Execute rewiring 2 Remove inter unit power line from the terminal plate in the outdoor unit Check insulation resistance of outdoor unit Check insulation resistance of electrical parts in the outdoor unit Insulation of outdoor unit is defective 3 Remove inter unit power line from the terminal plate in the indoor unit Check insulation resistance of indoor unit Check insulation resistance of ele
43. s 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 SM830092 27 11 PROCESSES AND FUNCTIONS 4 Outdoor Fan Speed Control 1 C2462R Type 2 gt In low outdoor temperature the outdoor fan is set automatically from HIGH to LOW to prevent the indoor heat exchanger from freezing When the outdoor temperature falls below 78 F the outdoor fan is set from HIGH to LOW automatically When the outdoor temperature rises to 82 F the outdoor fan is set from LOW to HIGH automatically CL2462R Type In low outdoor temperature the outdoor fan is set automatically from HIGH to MED LOW to prevent the indoor heat exchanger from freezing When the outdoor temperature falls below 77 F the outdoor fan is set from HIGH to MED automatically When the outdoor temperature rises to 81 F the outdoor fan is set from MED to HIGH automatically When the outdoor temperature falls below 59 F the outdoor fan is set from MED to LOW automatically When the outdoor temperature rises to 63 F the outdoor fan is set from LOW to MED automatically When the outdoor temperature falls below 50 F the hot gas bypass valve opens and keeps the pressures up by allowing some hot gas to be bypassed to the suction of the compressor 760 H a A tc z lt
44. s or equal Min 6 inch Anchor bolts 4 pieces 0934 Fig 6 Air discharge 0406 Fig 7 SM830092 8 INSTALLATION INSTRUCTIONS Wind Shield for CL Model IMPORTANT It is recommended to use wind shields for CL model Fig 5b CL model is designed to use in low outdoor temperature conditions General When the outdoor unit is installed in a position exposed to strong wind like seasonal winds with low air tempera ture in winter a suitable wind shield must be installed on the outdoor unit This unit is designed so that the fan of the outdoor unit runs at low speed when the air conditioner is operated at low outdoor air temperatures When the outdoor unit is exposed to strong wind the system pressure drops because of the freeze protector For outer dimensions of the wind shield see Fig 5c 26 Wind shield air discharge side Recommended outer dimensions of wind shield field supply ge 21 13 16 SS oe N NR S R i 9 27 32 927 92 5 5 32 8 21 13 16 2 CL2462R Fig 5c SM830092 8 INSTALLATION INSTRUCTIONS 3 Electrical Wiring General Precautions on Wiring 1 Before wiring confirm the rated voltage of 7 Regulations on wire diameters differ from the unit as shown on its nameplate then locality to locality For field wiring rules c
45. stance between the earthed wire and the other power wires Fig 16 2 Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on the terminal plate Fig 17 Indoor Unit Outdoor Unit Measure the resistance by placing a probe on the terminal plate in the same manner as explained above Fig 17 Measurement of Insulation Re sistance for Electrical parts e Disconnect the connector of the desired electric part from terminal plate P C B Ass y etc Fig 18 Similarly disconnect the lead wires from compressor capacitor etc Fig 19 Measure the resistance in the same manner as illustrated on the right Refer to Electrical Wiring Diagram If the probe does not enter the hole because the hole is too narrow use a probe with a thinner pin Metallic part Clip Copper tube or metallic part Clip Copper tube or metallic part Clip 51 Earthed wire 27 77 Insulation tester Fig 16 0638 X S Terminal plate Insulation tester 0639 X S Fig 17 Probe Vv 7 Insulation tester Fig 18 0640 X S From fan motor compressor and other parts Insulation tester ius Fig 19 SM830092 12 SERVICE PROCEDURES 2 Checking the Protective Devices Disconnect the connector which cons
46. t the cooling cycle Signal from remote control unit 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes 3 minutes Thermo Thermo Thermo Thermo Thermo Thermo Thermo OFF ON OFF ON ON ON T 2 F V em en settemp T F More than 5 minutes 5 minutes 3 minutes Room temp Compressor OFF OFF Outdoor fan OFF Indoor fan 2212_M_S Fig 11 Chart Summary and Explanations Once the compressor starts it keeps running for 5 minutes Once the compressor stops it will not start running again for 3 minutes If you change the operation mode during the cooling cycle the control circuit stops the compressor for 3 minutes For 5 minutes after the compressor is first turned on and for 3 minutes after it is turned off the compressor is not controlled by the room sensor Thermo ON When room temperature rises 1 F above the set temperature T T 1 F Compressor Thermo OFF When the room temperature is equal to or below the set temperature T Compressor OFF SM830092 35 11 PROCESSES AND FUNCTIONS 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
47. ts water damage and abnormal vibration In an area with High Winds 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 Sys tems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Ventilate the room well in the event that refrigerant gas leaks during the installation Be careful not to allow contact of the refrigerant gas with a flame as this will cause the generation of poisonous gas Keep all tubing runs as short as possible 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 NOTE Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigerant tubing for your particular model is specified as either narrow or wide rather than as liquid or gas 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 when installation is finished Check that no metal scraps or bits of wiring have
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