Argo AC 425 C Technical Data & Service Manual Download Page 117

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– IV-12 –

(10)

Excessive cooling.

• Set temperature is too low.

• Is remote control unit installed
where it can detect room
temperature properly ?

0637_X_S

Set temperature to
higher value using
temperature setting
button of remote
control unit.

Change installation
position of remote
control unit.

YES

Summary of Contents for AC 425 C

Page 1: ...R 536 SC3E AD 436 CW AER 536 SCL3E AD 448 CW AER 548 SC3E AD 448 CW AER 548 SCL3E AC 425 C AER 525 SCE AC 425 C AER 525 SC3E AC 425 C AER 525 SCL3E AC 436 C AER 536 SC3E AC 436 C AER 536 SCL3E AC 448 C AER 548 SC3E AC 448 C AER 548 SCL3E SPLIT SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit AER 525 SCE AER 525 SC3E AER 525 SCL3E AER 536 SC3E AER 548 SC3E AER 536 SCL3E AER 548 SCL3E AS 425 C AD 425...

Page 2: ... strain on your back Sharp edges or thin aluminum fins on the air conditioner can cut your fingers Important CAUTION 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 uni...

Page 3: ...ype I I Concealed Duct Type Outdoor Units I 1 4 Dimensional Data I 52 A Indoor Units I 52 4 Way Air Discharge Semi concealed Type I 53 Ceiling Mounted Type I 54 Concealed Duct Type I 55 B Outdoor Units I 59 1 5 Refrigerant Flow Diagram I 61 1 6 Operating Range I 63 1 7 Cooling Capacity I 64 1 8 Noise Criterion Curves I 82 1 9 Indoor Fan Performance I 87 1 10 Air throw Distance Chart I 89 1 11 Inst...

Page 4: ... dB A 37 35 31 Outdoor Hi dB A 52 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant t...

Page 5: ... Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 6 35 1 4 ou...

Page 6: ... Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 6 35 1 4 ou...

Page 7: ...Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer dia...

Page 8: ...Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer dia...

Page 9: ...Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer dia...

Page 10: ...Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube mm in 9 52 3 8 outer dia...

Page 11: ...Indoor Hi Me Lo dB A 39 37 34 Outdoor Hi dB A 52 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 9...

Page 12: ... 37 34 Outdoor Hi dB A 52 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 94Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narr...

Page 13: ... 37 34 Outdoor Hi dB A 52 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 94Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narr...

Page 14: ... 42 40 35 Outdoor Hi dB A 53 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube N...

Page 15: ... 42 40 35 Outdoor Hi dB A 53 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube N...

Page 16: ...4 41 37 Outdoor Hi dB A 55 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Nar...

Page 17: ...44 41 37 Outdoor Hi dB A 55 Color Approximate value Indoor Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Na...

Page 18: ...ation sound Indoor Hi Me Lo dB A 34 30 27 38 34 30 using the booster cable Outdoor Hi dB A 52 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than in...

Page 19: ... Lo dB A 34 30 27 38 34 30 using the booster cable Outdoor Hi dB A 52 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refriger...

Page 20: ... Lo dB A 34 30 27 38 34 30 using the booster cable Outdoor Hi dB A 52 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 40 131 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 40 131 between the two units Outdoor unit is lower than indoor unit 30 98 Refriger...

Page 21: ...e Lo dB A 38 33 31 42 38 33 using the booster cable Outdoor Hi dB A 53 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrige...

Page 22: ...e Lo dB A 38 33 31 42 38 33 using the booster cable Outdoor Hi dB A 53 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrige...

Page 23: ...e Lo dB A 40 37 33 44 40 37 using the booster cable Outdoor Hi dB A 55 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrige...

Page 24: ...e Lo dB A 40 37 33 44 40 37 using the booster cable Outdoor Hi dB A 55 Color Approximate value Indoor Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length m ft 50 164 Limit of tubing length at shipment m ft 15 49 Limit of elevation difference m ft Outdoor unit is higher than indoor unit 50 164 between the two units Outdoor unit is lower than indoor unit 30 98 Refrige...

Page 25: ...ORG YEL 66 4 Ambient temperature 20 C WHT VLT 23 9 WHT PNK 77 4 VLT ORG 12 4 YEL BLK 82 1 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC V W rpm µF 440 V 4 µF Ω Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 2 1 7 Face area m2 0 295 Panel Model No PNR X253GS Indicator Lamp Ass y IND X253GS Dew proof heater 240 V 26 W Auto louver moter M2L...

Page 26: ... 6 530 Coil resistance Ω BRN WHT 71 1 ORG YEL 22 7 Ambient temperature 20 C WHT VLT 8 7 VLT PNK 43 2 VLT ORG 13 3 YEL BLK 54 32 Safety device Operating temperature Open C 130 8 C Close C 79 15 C Run capacitor VAC V W rpm µF 440 V 6 µF Ω Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 2 1 7 Face area m2 0 479 Panel Model No PNR X483GS Indicator Lamp ass y IND X483GS Dew proof h...

Page 27: ...50 Hz No of pole r p m 230 V High rpm 4 1 172 Coil resistance Ω BRN WHT 111 0 ORG YEL 16 7 Ambient temperature 20 C WHT VLT 35 4 YEL BLK 136 6 VLT ORG 13 4 BLK PNK 23 9 Safety device Operating temperature Open C 130 8 C Close C 79 15 Run capacitor VAC V Hz W rpm µF 440 V 1 5 µF Ω Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 3 1 7 Face area m2 0 168 MT8 3C Auto louver motor ...

Page 28: ...50 Hz No of pole r p m 230 V High rpm 4 1 015 Coil resistance Ω BRN WHT 61 05 ORG YEL 13 23 Ambient temperature 20 C WHT VLT 9 955 YEL BLK 19 25 VLT ORG 9 576 BLK PNK 10 81 Safety device Operating temperature Open C 130 8 Close C 79 15 Run capacitor VAC V Hz W rpm µF 440 V 4 0 µF Ω Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 3 1 7 Face area m2 0 326 MT8 3C Auto louver moto...

Page 29: ...50 Hz No of pole r p m 230 V High rpm 4 1 070 Coil resistance Ω BRN WHT 61 05 ORG YEL 13 23 Ambient temperature 20 C WHT VLT 9 955 YEL BLK 19 25 VLT ORG 9 576 BLK PNK 10 81 Safety device Operating temperature Open C 130 8 Close C 79 15 Run capacitor VAC V Hz W rpm µF 440 V 5 0 µF Ω Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 3 1 7 Face area m2 0 326 MT8 3C Auto louver moto...

Page 30: ... No of pole r p m 230 V High rpm 4 1 063 Coil resistance Ω BRN WHT 74 72 ORG YEL 9 588 Ambient temperature 20 C WHT VLT 19 14 YEL BLK 10 52 VLT ORG 10 52 BLK PNK 21 72 Safety device Operating temperature Open C 130 5 Close C 115 5 Run capacitor VAC µF 450 VAC 5 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 3 1 7 Face area m2 0 189 Drain pump PJV 1422 Rated VAC W AC 230 V ...

Page 31: ...z No of pole r p m 230 V High rpm 4 1 207 Coil resistance Ω BRN WHT 25 79 Ambient temperature 20 C WHT VLT 5 086 VLT ORG 8 626 ORG YEL 5 792 YEL BLK 6 746 PNK VLT 6 361 Safety device Operating temperature Open C 130 5 Close C 115 5 Run capacitor VAC µF 450 VAC 6 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 3 2 0 Face area m2 0 308 Drain pump PJV 1422 Rated VAC W AC 230 V...

Page 32: ...z No of pole r p m 230 V High rpm 4 1 207 Coil resistance Ω BRN WHT 25 79 Ambient temperature 20 C WHT VLT 5 086 VLT ORG 8 626 ORG YEL 5 792 YEL BLK 6 746 ORG VLT 6 361 Safety device Operating temperature Open C 130 5 Close C 115 5 Run capacitor VAC µF 450 VAC 8 µF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch mm 3 2 0 Face area m2 0 308 Drain pump PJV 1422 Rated VAC W AC 230 V...

Page 33: ...C 87 11 Crank case heater Refrigerant amount at shipment kg R407C 2 4 High pressure switch ACB 1TB07 Set pressure OFF kg cm2 32 3 2 MPa ON kg cm2 24 2 0 2 4 0 2 MPa Fan Propeller Number diameter mm 1 ø460 Fan motor Model KFC6T 91C5P Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med Low 6 772 376 252 Nominal output W 70 Coil resistance Ω WHT BRN 127 3 VLT YEL 15 0 Ambient temperature ...

Page 34: ...e C 98 11 Crank case heater Refrigerant amount at shipment kg R407C 2 4 High pressure switch ACB 1TB07 Set pressure OFF kg cm2 32 3 2 MPa ON kg cm2 24 2 0 2 4 0 2 MPa Fan Propeller Number diameter mm 1 ø460 Fan motor Model KFC6T 91C5P Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med Low 6 772 376 252 Nominal output W 70 Coil resistance Ω WHT BRN 127 3 VLT YEL 15 0 Ambient temperatur...

Page 35: ...pen C 120 5 Close C 98 11 Crank case heater 240V 25W Refrigerant amount at shipment kg R407C 3 0 High pressure switch ACB 1TB07 Set pressure OFF kg cm2 32 3 2 MPa ON kg cm2 24 2 0 2 4 0 2 MPa Fan Propeller Number diameter mm 1 ø460 Fan motor Model KFC6T 91C5P Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med Low 6 772 376 252 Nominal output W 70 Coil resistance Ω WHT BRN 127 3 VLT YE...

Page 36: ...61 9 Refrigerant amount at shipment kg R407C 4 0 R407C 4 3 High pressure switch ACB 1TB07 Set pressure OFF kg cm2 32 3 2 Mpa ON kg cm2 24 2 0 2 4 0 2 Mpa Low pressure switch LCB JA89 Set pressure OFF kg cm2 0 5 0 3 0 05 0 03 Mpa ON kg cm2 1 5 0 3 0 15 0 03 Mpa Fan Propeller Number diameter mm 2 ø460 Fan motor Model KFC6T 91C5P 2 Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med Low 6...

Page 37: ...en C 155 5 145 5 Close C 61 9 61 9 Refrigerant amount at shipment kg R407C 4 0 R407C 4 3 High pressure switch ACB 1TB07 Set pressure OFF kg cm2 32 3 2 Mpa ON kg cm2 24 2 0 2 4 0 2 Mpa Low pressure switch LCB JA89 Set pressure OFF kg cm2 0 5 0 3 0 05 0 03 Mpa ON kg cm2 1 5 0 3 0 15 0 03 Mpa Fan Propeller Number diameter mm 2 ø460 Fan motor Model KFC6T 91C5P 2 Source 220 230 240 V 1 phase 50 Hz No o...

Page 38: ...24ZA12 Power Transformer ATR I75A Rated Primary 10 6 V 0 93 A AC 230 V 50 Hz Secondary Capacity 9 85 VAC Coil resistance Ω WHT WHT 96 5 BRN BRN 0 8 at 20 C Thermal cut off temperature C 150 Thermistor Coil sensor PBC 41E S36 Thermistor Room or coil sensor KTEC 35 S6 PBC 41E S26 Coil resistance kΩ Coil resistance kΩ 10 C 23 7 5 C 12 1 5 C 18 8 10 C 9 7 0 C 15 0 15 C 8 0 0 C 16 5 40 C 2 7 5 C 12 8 4...

Page 39: ...mer ATR I75B Rated Primary 10 6 V 0 93 A AC 230 V 50 Hz Secondary Capacity 9 86 VAC Coil resistance Ω WHT WHT 101 BRN BRN 0 6 at 20 C Thermal cut off temperature C 150 Thermistor Coil sensor PBC 41E S14 Thermistor Room or coil sensor KTEC 35 S6 Coil resistance kΩ Coil resistance kΩ 10 C 23 7 5 C 12 1 5 C 18 8 10 C 9 7 0 C 15 0 15 C 8 0 0 C 16 5 40 C 2 7 5 C 12 8 45 C 2 2 10 C 10 0 50 C 1 8 20 C 6 ...

Page 40: ...Secondary 9 85 VAC Coil resistance Ω WHT WHT 96 5 BRN BRN 0 8 Thermal cut off temperature C 150 Thermistor Coil sensor TH1 PBC 41E S36 Resistance kΩ 10 C 23 7 5 5 C 12 1 5 5 C 18 8 5 10 C 9 7 5 0 C 15 0 5 Drain pump PTV 1422 AC 230 V 12 W Rated Float switch FS 0218 103 Rated Contact rated DC 12V 25W A Indoor Units ...

Page 41: ...il rated AC 220 240 V 50 Hz Coil resistance at 20 C Ω 828 15 Contact rated V A AC 440 V 13A Auxiliary relay HH62S Coil rated AC 240 V 50 Hz Coil resistance at 20 C kΩ 17 2 Contact rated V A AC 220 V 5A Thermostat Coil sensor YTB S377 Operating Temperature C 27 5 1 5 OFF High 25 5 ON Low Contact rated A AC 250 V 1 A 1 5 0 5 ...

Page 42: ...5 MODEL No AER525SCL3E AER536SCL3E AER548SCL3E Compressor Motor Magnetic Contactor FW 1SZ607A Coil rated AC 220 240 V 50 Hz Coil resistance at 20 C Ω 828 at 20 C Contact rated V A AC 440 V 13 A Thermal Relay Contact rated V A AC 220 V 2 25 A Rated ampere 90 120 A 6 A 110 29 0 or more H 18 0 or more M 10 0 or more L less than 10 0 LL 29 0 or more H 20 0 or more M 8 0 or more L less than 8 0 LL 27 0...

Page 43: ...ion bolt pitch Panel center 590 Suspention bolt pitch 345 35 Air intake grille Air outlet Refrigerant liquid line ø 9 52 In case of 25 type use the tube connector Refrigerant gas line ø 12 7 12 type ø 15 88 18 25 type Drain connection Power supply entry For discharge duct Humidifier option mounting hole Suspension bolt mounting 342 15 X view 1488_X_I 125 207 100 205 61 760 50 150 255 207 9 9 ...

Page 44: ... 1020 Suspention bolt pitch Panel center 590 Suspention bolt pitch 490 40 Air intake grille Air outlet Refrigerant liquid line ø9 52 Refrigerant gas line ø19 05 Drain connection Power supply entry For discharge duct Humidifier option mounting hole Suspension bolt mounting X view 0183_X_I 218 145 35 210 60 760 70 165 285 210 100 100 9 9 342 15 12 48 12 ...

Page 45: ...t hole ø40 Hole for remote controller wiring 1394_X_S Dimension mm Air intake Air outlet 500 or more Hole for wall through piping View from front 170 81 N 214 A 670 280 280 B D 320 160 E L M K F G H 28 160 53 J I 146 183 103 251 141 35 C Suspension bolt hole pitch 89 147 71 132 280 86 Front Service space Service space Holes in the rear unit View from front Suspension bolt hole pitch 250 or more 25...

Page 46: ...intake port ø150 Flange for the flexible air outlet duct ø200 Tube cover Electrical component box Flange for the air intake duct Option or field supply 9 10 11 1731_U_I Suspension bolt pitch 16 ø3 3 Hole 962 Air outlet duct flange 900 1000 1080 Suspension bolt pitch 150 40 290 290 272 75 65 90 180 31 31 185 580 25 115 19 Inspection access 450 450 Field supply 10 285 70 130 25 210 310 25 175 35 190...

Page 47: ...Flange for the flexible air outlet duct ø200 Tube cover Electrical component box Flange for the air intake duct Option or field supply 9 10 11 1732_U_I Suspension bolt pitch 18 ø3 3 Hole 1442 Air outlet duct flange 230 P 6 1380 1480 1560 Suspension bolt pitch 150 40 335 335 335 310 75 65 90 230 31 31 185 580 25 115 19 Inspection access 450 450 Field supply 10 285 70 130 25 210 310 25 175 35 190 85...

Page 48: ...F G H G F 9 E D B O D A 25 Hole C ø3 3 Hole I ø6 Hole 210 305 260 O D 23 200 45 8 4 45 25 25 10 1766_U_I A B C D E F G H I 9 12 18 type 698 662 4 200 3 200P 600 170 340 12 25 type 998 962 6 180 5 180P 900 120 245 245 1 250 16 36 48 type 1 478 1 442 7 230 6 230P 1 380 120 490 245 2 240 20 mm ...

Page 49: ...0 307 940 Dimension mm Hole for anchor bolt 4 ø13 Refrigerant tube joint narrow tube Flare connection 1 4 in 6 35 mm Refrigerant tube joint wide tube Flare connection 5 8 in 15 88 mm Refrigerant tubing inlet Power supply inlet 400 380 10 30 50 50 340 110 660 170 ...

Page 50: ...1235 580 607 940 Dimension mm Hole for anchor bolt 4 ø13 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 Refrigerant tubing inlet Power supply inlet 400 380 10 30 50 50 340 110 660 170 ...

Page 51: ...r EC P Heat exchanger Distributor Capillary tube Strainer Liquid line nipple Liquid line service valve O D ø6 35mm 1 4 O D ø15 88mm 5 8 Gas line nipple Gas line service valve Cooling Cycle 1 5 Refrigerant Flow Diagram Outdoor Units AER525SCE AER525SC3E Indoor Unit 25 Type ...

Page 52: ...Solenoid valve EC P Heat exchanger Distributor Strainer Liquid line nipple Liquid line service valve O D ø6 35mm 1 4 O D ø15 88mm 5 8 Gas line nipple Gas line service valve Cooling Cycle Capillary tube 1549_C_S 1 5 Refrigerant Flow Diagram Outdoor Units AER525SCL3E Indoor Unit 25 Type S ...

Page 53: ...19 05mm 3 4 Gas line nipple Gas line service valve Cooling Cycle Cooling Maximum 35 C DB 23 C WB 19 C DB 14 C WB 15 C DB EL Type 19 C DB E Type 43 C DB Minimum Capillary tube 1550_C_S LP Low pressure switch 1 5 Refrig 1 6 Operating Range erant Flow Diagram Outdoor Units AER536SC L 3E AER548SC L 3E Indoor Units 36 48 Type Temperature Indoor aire intake temp Outdoor air intake temp ...

Page 54: ...4 1 3 9 3 8 3 7 3 6 17 23 SHC 4 6 4 5 4 3 4 2 4 1 25 SHC 5 2 5 4 9 4 8 4 7 27 SHC 5 7 5 6 5 5 5 3 5 2 29 SHC 6 3 6 2 6 5 9 5 8 31 SHC 6 9 6 7 6 6 6 4 6 4 TC 7 93 7 61 7 3 7 01 6 83 CI 2 07 2 35 2 63 2 91 3 08 21 SHC 3 5 3 3 3 2 3 1 3 19 23 SHC 4 3 9 3 7 3 6 3 5 25 SHC 4 6 4 4 4 3 4 2 4 1 27 SHC 5 1 5 4 9 4 7 4 7 29 SHC 5 7 5 6 5 4 5 3 5 2 31 SHC 6 3 6 1 6 5 8 5 8 TC 8 41 8 08 7 75 7 44 7 24 CI 2 4...

Page 55: ...C 4 1 3 9 3 8 3 7 3 6 17 23 SHC 4 6 4 5 4 3 4 2 4 1 25 SHC 5 2 5 4 9 4 8 4 7 27 SHC 5 7 5 6 5 5 5 3 5 2 29 SHC 6 3 6 2 6 5 9 5 8 31 SHC 6 9 6 7 6 6 6 4 6 4 TC 7 93 7 61 7 3 7 01 6 83 CI 1 99 2 26 2 53 2 80 2 96 21 SHC 3 5 3 3 3 2 3 1 3 19 23 SHC 4 3 9 3 7 3 6 3 5 25 SHC 4 6 4 4 4 3 4 2 4 1 27 SHC 5 1 5 4 9 4 7 4 7 29 SHC 5 7 5 6 5 4 5 3 5 2 31 SHC 6 3 6 1 6 5 8 5 8 TC 8 41 8 08 7 75 7 44 7 24 CI 2...

Page 56: ...5 5 5 4 17 23 SHC 7 6 8 6 6 6 4 6 3 25 SHC 7 9 7 7 7 5 7 3 7 2 27 SHC 8 8 8 6 8 4 8 3 8 1 29 SHC 9 8 9 6 9 4 9 2 9 1 31 SHC 10 7 10 38 9 95 9 55 9 31 TC 11 51 11 06 10 6 10 18 9 91 CI 2 93 3 33 3 72 4 11 4 35 21 SHC 5 4 8 4 6 4 5 4 4 19 23 SHC 6 5 8 5 6 5 4 5 3 25 SHC 6 9 6 7 6 5 6 3 6 2 27 SHC 7 8 7 6 7 4 7 3 7 2 29 SHC 8 8 8 6 8 4 8 2 8 1 31 SHC 9 7 9 5 9 3 9 1 9 TC 12 21 11 73 11 25 10 80 10 52...

Page 57: ...27 SHC 9 8 9 6 9 3 9 1 9 29 SHC 10 8 10 5 10 3 10 9 9 31 SHC 11 7 11 4 11 2 11 10 8 TC 13 68 13 14 12 6 12 10 11 78 CI 3 40 3 86 4 31 4 76 5 04 21 SHC 6 5 8 5 5 5 3 5 2 19 23 SHC 6 9 6 7 6 5 6 2 6 1 25 SHC 7 9 7 6 7 4 7 2 7 27 SHC 8 8 8 6 8 3 8 1 8 29 SHC 9 7 9 5 9 2 9 8 9 31 SHC 10 7 10 4 10 2 10 9 8 TC 14 52 13 95 13 37 12 84 12 50 CI 3 99 4 23 4 43 4 63 4 72 23 SHC 5 9 5 7 5 4 5 2 5 1 21 25 SHC...

Page 58: ...9 4 8 4 7 27 SHC 5 8 5 7 5 5 5 4 5 3 29 SHC 6 4 6 2 6 1 5 9 5 9 31 SHC 6 9 6 8 6 6 6 5 6 4 TC 7 93 7 61 7 3 7 01 6 83 CI 2 07 2 35 2 63 2 91 3 08 21 SHC 3 5 3 4 3 2 3 1 3 19 23 SHC 4 1 3 9 3 8 3 6 3 6 25 SHC 4 6 4 5 4 3 4 2 4 1 27 SHC 5 2 5 4 9 4 8 4 7 29 SHC 5 8 5 6 5 5 5 3 5 3 31 SHC 6 3 6 2 6 5 9 5 8 TC 8 41 8 08 7 75 7 44 7 24 CI 2 43 2 58 2 70 2 82 2 88 23 SHC 3 4 3 3 3 2 3 3 21 25 SHC 4 3 9 ...

Page 59: ...4 8 4 7 27 SHC 5 8 5 7 5 5 5 4 5 3 29 SHC 6 4 6 2 6 1 5 9 5 9 31 SHC 6 9 6 8 6 6 6 5 6 4 TC 7 93 7 61 7 3 7 01 6 83 CI 1 99 2 26 2 53 2 80 2 96 21 SHC 3 5 3 4 3 2 3 1 3 19 23 SHC 4 1 3 9 3 8 3 6 3 6 25 SHC 4 6 4 5 4 3 4 2 4 1 27 SHC 5 2 5 4 9 4 8 4 7 29 SHC 5 8 5 6 5 5 5 3 5 3 31 SHC 6 3 6 2 6 5 9 5 8 TC 8 41 8 08 7 75 7 44 7 24 CI 2 34 2 48 2 60 2 72 2 77 23 SHC 3 4 3 3 3 2 3 3 21 25 SHC 4 3 9 3 ...

Page 60: ... 5 5 4 17 23 SHC 7 6 8 6 7 6 5 6 4 25 SHC 8 7 8 7 6 7 4 7 3 27 SHC 9 8 8 8 6 8 4 8 3 29 SHC 9 9 9 8 9 6 9 4 9 3 31 SHC 10 81 10 38 9 95 9 55 9 31 TC 11 51 11 06 10 6 10 18 9 91 CI 2 93 3 33 3 72 4 11 4 35 21 SHC 5 4 8 4 7 4 5 4 4 19 23 SHC 6 5 8 5 6 5 5 5 3 25 SHC 7 6 8 6 6 6 4 6 3 27 SHC 7 9 7 8 7 6 7 4 7 3 29 SHC 8 9 8 7 8 5 8 4 8 2 31 SHC 9 9 9 7 9 5 9 3 9 2 TC 12 21 11 73 11 25 10 80 10 52 CI ...

Page 61: ...8 3 27 SHC 10 2 9 9 9 7 9 5 9 3 29 SHC 11 2 10 9 10 7 10 5 10 3 31 SHC 12 2 12 11 7 11 35 11 06 TC 13 68 13 14 12 6 12 10 11 78 CI 3 40 3 86 4 31 4 76 5 04 21 SHC 6 5 8 5 5 5 3 5 2 19 23 SHC 7 6 8 6 5 6 3 6 2 25 SHC 8 7 8 7 6 7 3 7 2 27 SHC 9 1 8 8 8 6 8 4 8 2 29 SHC 10 1 9 8 9 6 9 4 9 3 31 SHC 11 1 10 9 10 6 10 4 10 3 TC 14 52 13 95 13 37 12 84 12 50 CI 3 99 4 23 4 43 4 63 4 72 23 SHC 5 9 5 7 5 4...

Page 62: ... 4 1 3 9 3 8 3 7 3 6 17 23 SHC 4 6 4 5 4 4 4 2 4 2 25 SHC 5 2 5 1 4 9 4 8 4 7 27 SHC 5 8 5 7 5 5 5 4 5 3 29 SHC 6 4 6 2 6 1 6 5 9 31 SHC 7 6 8 6 7 6 5 6 41 TC 7 93 7 61 7 3 7 01 6 83 CI 2 07 2 35 2 63 2 91 3 08 21 SHC 3 4 3 3 3 2 3 3 19 23 SHC 4 3 9 3 7 3 6 3 5 25 SHC 4 6 4 5 4 3 4 2 4 1 27 SHC 5 2 5 4 9 4 8 4 7 29 SHC 5 8 5 6 5 5 5 3 5 3 31 SHC 6 3 6 2 6 5 9 5 8 TC 8 41 8 08 7 75 7 44 7 24 CI 2 4...

Page 63: ...HC 4 1 3 9 3 8 3 7 3 6 17 23 SHC 4 6 4 5 4 4 4 2 4 2 25 SHC 5 2 5 1 4 9 4 8 4 7 27 SHC 5 8 5 7 5 5 5 4 5 3 29 SHC 6 4 6 2 6 1 6 5 9 31 SHC 7 6 8 6 7 6 5 6 41 TC 7 93 7 61 7 3 7 01 6 83 CI 1 99 2 26 2 53 2 80 2 96 21 SHC 3 4 3 3 3 2 3 3 19 23 SHC 4 3 9 3 7 3 6 3 5 25 SHC 4 6 4 5 4 3 4 2 4 1 27 SHC 5 2 5 4 9 4 8 4 7 29 SHC 5 8 5 6 5 5 5 3 5 3 31 SHC 6 3 6 2 6 5 9 5 8 TC 8 41 8 08 7 75 7 44 7 24 CI 2...

Page 64: ... 4 5 3 17 23 SHC 7 6 8 6 6 6 4 6 3 25 SHC 7 9 7 7 7 5 7 4 7 2 27 SHC 8 9 8 7 8 5 8 3 8 2 29 SHC 9 8 9 6 9 4 9 3 9 2 31 SHC 10 8 10 38 9 95 9 55 9 31 TC 11 51 11 06 10 6 10 18 9 91 CI 2 93 3 33 3 72 4 11 4 35 21 SHC 5 4 8 4 6 4 4 4 3 19 23 SHC 5 9 5 7 5 5 5 4 5 3 25 SHC 6 9 6 7 6 5 6 3 6 2 27 SHC 7 9 7 7 7 5 7 3 7 2 29 SHC 8 8 8 6 8 4 8 2 8 1 31 SHC 9 8 9 6 9 4 9 2 9 1 TC 12 21 11 73 11 25 10 80 10...

Page 65: ... 27 SHC 10 2 9 9 9 7 9 5 9 3 29 SHC 11 2 11 10 7 10 5 10 4 31 SHC 12 2 12 11 8 11 35 11 06 TC 13 68 13 14 12 6 12 10 11 78 CI 3 40 3 86 4 31 4 76 5 04 21 SHC 5 9 5 7 5 5 5 3 5 1 19 23 SHC 7 6 7 6 5 6 3 6 2 25 SHC 8 7 8 7 5 7 3 7 2 27 SHC 9 8 8 8 6 8 4 8 2 29 SHC 10 1 9 8 9 6 9 4 9 3 31 SHC 11 1 10 9 10 6 10 4 10 3 TC 14 52 13 95 13 37 12 84 12 50 CI 3 99 4 23 4 43 4 63 4 72 23 SHC 5 8 5 6 5 4 5 2 ...

Page 66: ...C DB Comp input ratio Capacity ratio 20 30 40 Outdoor Fan tap COOLING CAPACITY Low ambient model Outdoor unit AER525SCL3E LL L M H 120 110 100 90 80 120 110 100 90 80 70 10 0 10 Outdoor temperature C DB Comp input ratio Capacity ratio 20 30 40 Outdoor Fan tap Outdoor unit AER536SCL3E ...

Page 67: ...r air intake temp C DB rises Cooling capacity and Comp input vary 2 These characteristics are based on a Tubing length is 7 5 meters b Indoor side air state is 270DB 19WB 3 point is under rating conditions Indoor 27 C DB 19 C WB Outdoor 35 C DB 4 These characteristics indicate instantaneous capacity Integrated capacity is instantaneous capacity less the effect of the drop of performance during fre...

Page 68: ...I 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz NC 20 NC 40 NC 50 NC 30 0274_X_I REMARKS 1 Value obtained in the actual place where the unit is installed may be slightly higher than the values shown in this graph because of the conditions of operation the str...

Page 69: ...nder the unit 1 m SOURCE 220 230 240 V 1 Phase 50 Hz 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz NC 40 NC 50 NC 30 1222_X_I NC 20 MODEL AC448C SOUND LEVEL HIGH 44 dB A NC 38 LOW 37 dB A NC 31 CONDITION Distance 1 m Under the unit 1 m SOURCE 220 230 240 V 1 ...

Page 70: ...40 NC 30 NC 20 MODEL AD448CW SOUND LEVEL HIGH 40 dB A NC 33 LOW 33 dB A NC 25 CONDITION Under the unit 1 5 m SOURCE 220 230 240 V 1 Phase 50 Hz 1763_U_I 60 50 40 30 20 10 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar NC 50 NC 40 NC 30 NC 20 REMARKS 1 Value obtained in the actu...

Page 71: ...INUOUS NOISE MODEL AER548SC L 3E SOUND LEVEL 55 dB A NC 47 CONDITION Distance 1m Height 1m SOURCE 380 400 415V 3 Phase 50 Hz 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 0599_C_S BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 70 NC 50 NC 20 NC 60 NC 40 NC 30 OCTAVE BAND SOUND PRESSURE LEVEL dB 0dB 0 0002 µbar REMARKS 1 Value obtained in the act...

Page 72: ...rnal Static Pressure 0 50 0 5 10 15 150 10 L i m i t l i n e L im it li n e HT H L 100 1746_U_I M mmAq Pa 30 40 Air Flow Volume m3 minute External Static Pressure 0 50 0 5 10 15 150 20 L i m i t l i n e L i m i t l i n e L 100 1748_U_I M H mmAq Pa HT 30 Air Flow Volume m3 minute External Static Pressure 0 50 0 5 10 15 150 20 L i m i t l i n e HT L 100 1747_U_I M H L i m i t l i n e mmAq Pa HT Usin...

Page 73: ...DISTANCE m AXIS AIR VELOCITY m s VERTICAL DISTANCE m AXIS AIR VELOCITY 0276_X_I 0 1 2 3 4 5 6 0 1 2 3 4 HORIZONTAL DISTANCE m AXIS AIR VELOCITY m s VERTICAL DISTANCE m AXIS AIR VELOCITY 0277_X_I LOUVER ANGLE 20 in Cooling mode LOUVER ANGLE 60 in Heating mode Condition Fan Speed Hi Room air temp 27 C DB in cooling mode 20 C DB in heating mode ...

Page 74: ... Model 25 Type 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 HORIZONTAL DISTANCE m AXIS AIR VELOCITY m s VERTICAL DISTANCE m 1226_T_I AXIS AIR VELOCITY Model 36 Type Model 48 Type 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 HORIZONTAL DISTANCE m AXIS AIR VELOCITY m s VERTICAL DISTANCE m 1227_T_I AXIS AIR VELOCITY FAN SPEED HEATING COOLING ROOM AIR TEMP LOUVER ANGLE HIGH HIGH 20 27 54 7 COOLING HEATING ...

Page 75: ...M_I No additional charge of compressor oil is necessary 1 If total tubing length becomes a 15 to 40 m b 15 to 50 m max charge additional refrigerant R22 by a 25 or b 80 g m 25 type 6 35 1 4 15 88 5 8 40 40 25 15 a 25 2 4 3 0 2 Tubing size Narrow tube mm in outer dia Wide tube mm in Limit of tubing length m m Limit of elevation difference between the 2 units m Max allowable tubing length at shipmen...

Page 76: ...o support the weight of the unit select a location where tubing and drain pipe have the shortest run to the outside allow room for operation and maintenance as well as unrestricted air flow around the unit install the unit within the maximum elevation difference H above or below the outdoor unit and within a total tubing length L from the outdoor unit as detailed in Table 1 2 allow room for mounti...

Page 77: ...chamber 0424_C_I provide a solid base concrete block 10 x 40 cm beams or equal a minimum of 15 cm above ground level to reduce humidity and protect the unit against possible water damage and decreased ser vice life use lug bolts or equal to bolt down unit reducing vibration and noise In case of multiple installations Air in Air in Air discharge Anchor bolts 4 pieces Min 15cm 0425_C_I Unit spacing ...

Page 78: ... 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 wind wind influences operating pressure and causes unstable operation such as activation of high pressure switch or freeze prevention Install a pair of wind shields at the front and bac...

Page 79: ...se will occur and the compressor will not start running If this happens swap over 2 of the 3 phases L1 L2 and L3 Regulations on wire diameters differ from locality to locality For field wiring rules please refer to your LOCAL ELECTRICAL CODES before begin ning You must insure that installation complies with all relevant rules and regulations 8 To prevent malfunction of the air conditioner cau sed ...

Page 80: ...idance showing below Do not share a common installation group with other equipment Be sure that supply network impedance is suffi ciently low IZSYSI RΩ It may be necessary to consult the power supply authority before connection of the air conditioner to a low voltage public network NOTE Models RΩ Remarks AER525SC L 3E Care is not needed AER536SC L E3 0 192 Conforms to the local code AER548SC L 3E ...

Page 81: ...0 0 22 2 2 1 24 1 31 0 26 0 29 1 24 1 31 0 26 0 29 3 3 6 35 6 39 3 46 3 51 7 2 7 24 4 28 4 27 42 45 7 01 7 05 3 92 4 02 7 89 7 93 4 74 4 78 47 50 380 415V 3 phase 50Hz Fan Motor Compressor Outdoor Unit Complete Unit A kW A A kW Rating conditions Full load conditions Starting amperes Performance at Indoor Unit Fan Motor 220 240V 1 phase 50Hz 0 92 0 93 0 20 0 22 0 92 0 93 0 20 0 22 2 2 1 24 1 31 0 2...

Page 82: ...2 0 22 0 2 0 22 0 2 0 22 2 2 1 24 1 31 0 26 0 29 1 24 1 31 0 26 0 29 3 3 6 35 6 39 3 46 3 51 7 2 7 24 4 28 4 27 42 45 7 01 7 06 3 92 4 02 7 89 7 93 4 74 4 78 47 50 380 415V 3 phase 50Hz Fan Motor Compressor Outdoor Unit Complete Unit A kW A A kW Rating conditions Full load conditions Starting amperes Performance at Indoor Unit Fan Motor 220 240V 1 phase 50Hz 0 95 0 98 0 95 0 98 2 2 1 24 1 31 0 26 ...

Page 83: ...1 0 34 0 31 0 34 1 44 1 46 2 2 1 24 1 31 0 26 0 29 1 24 1 31 0 26 0 29 3 3 6 35 6 39 3 46 3 51 7 2 7 24 4 28 4 27 42 45 7 15 7 19 4 03 4 14 8 05 8 07 4 85 4 9 47 50 380 415V 3 phase 50Hz Fan Motor Compressor Outdoor Unit Complete Unit A kW A A kW Rating conditions Full load conditions Starting amperes Performance at Indoor Unit Fan Motor 220 240V 1 phase 50Hz 1 42 1 44 1 42 1 44 2 2 1 24 1 31 0 26...

Page 84: ... II 1 2 PROCESSES AND FUNCTIONS 2 1 Room Temperature Control 2 2 Freeze Prevention 2 3 Outdoor Fan Control II 2 II 3 II 3 ...

Page 85: ...UTE MORE THAN 5 MINUTES ON ON ON 0607_X_S OFF OFF INDOOR FAN OUTDOOR FAN SET SPEED MANUAL THERMO OFF 3 MINUTES THERMO OFF MORE THAN 3 MINUTES ON ON ON Chart Summary and Explanations Once the compressor starts up it keeps running for 5 minutes Once the compressor shuts down it will not start up again for 3 minutes If you change the operation mode during the cooling cycle the control circuit will st...

Page 86: ...fan motor operates for five seconds at H or H H speed Regarding 36 48 type when the fan speed is switched from H H to L L the fan motor operates through M M speed for five seconds Then the fan speed is controlled in the following way based on the outside temperature Ti immediately after the compressor is switched from off to on The fan speed is controlled in the following way based on the coil tem...

Page 87: ...aches 40 C or less the current fan speed is decreased by one step When Tc reaches 60 C or more the current fan speed is increased by one step When Tc reaches 35 C or less the current fan speed is decreased by one step SPW CR254EL8 type SPW CR364EL8 type 40 M H M 60 Tc C 35 M M H H M M 60 Tc C ...

Page 88: ...eed changes After the compressor is switched from on to off the fan motor operates for 2 minutes 55 seconds at H or H H speed SPW CR484EL8 type 35 M M H H M M 60 Tc C In low outdoor temperatures the outdoor fan is set automatically from HIGH to LOW to prevent the indoor heat exchanger from freezing When the outdoor temperature is less than 25 5 C the outdoor fan is set from HIGH to LOW automatical...

Page 89: ...Wiring Diagram Schematic Diagram III 2 4 Way Air Discharge Semi concealed Type III 2 Ceiling Mounted Type III 6 Concealed Duct Type III 10 Concealed Duct High Static Pressure Type III 12 3 2 Outdoor Units Electric Wiring Diagram Schematic Diagram III 18 ...

Page 90: ...WHT PRY 2P WHT SEC 2P WHT 2 1 TR P S 2 1 1 3 1 3 3 1 7 5 2 1 3 4 FS 3P RED 49FMI 3P WHT 7P WHT 3P WHT COM FM M 7P Connector 9P WHT Connector 4P WHT 1 2 3 4 5 6 7 8 9 1 S P C 2 3 4 5 6 7 8 9 YEL ORG VLT WHT GRY GRY PNK BRN BLK ORG VLT WHT GRY GRY PNK BRN BRN 7 1 Switch Assy IND Lamp Assy 7 1 H L WHT BLK BLK 1 3 DP DP 3P BLU BLK BLK BRN WHT RED BRN BRN WHT WHT GRN YEL FMI GRN YEL TH1 Coil BLK BLK 2 ...

Page 91: ...9 3 1 RY4 Symbols Description FMI 49FMI C F DP LM TR RY1 5 TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Capacitor Fuse Drain Pump DPH Dew Proof Heater Auto Louver Motor FS Float Switch Power Transformer Auxiliary Relay Thermistor Indoor Coil Room Thermistor Symbols Description CR X363GS RCS Indoor Controller Remote Control Switch Terminal Plate Connector Terminal 3 1 2 7 1 CR X363GS Con...

Page 92: ... WHT 2 1 TR1 P S 2 1 PRY WHT SEC WHT BRN BRN WHT WHT Connector 9P WHT Connector 2P BLK Connector 9P WHT Connector 2P WHT Connector 2P RED 1 2 TH1 RED TH1 Coil BLK BLK 1 2 1 3 3 1 7 5 1 2 3 4 5 6 7 8 9 1 S P S P S P P RC1 2 3 4 5 6 7 8 9 GRN YEL 49FI YEL ORG VLT WHT GRY GRY PNK BRN BLK ORG VLT WHT GRY GRY PNK BRN FMI FS RED 49FMI WHT W LESS WHT FM BRN 3 1 2 1 DP BLU 7 1 7 1 WHT BLU WHT 3 1 2 1 2 1 ...

Page 93: ...RY5 DP LM Symbols Description FMI 49FMI RC1 F1 LM TR1 RY1 RY5 TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Running Capacitor Fuse Auto Louver Motor CR Indoor Controller Power Transformer Auxiliary Relay Thermistor Indoor Coil Room Thermistor Symbols Description IND Indicator Lamp Assy SW Switch Assy Terminal Plate Connector Terminal 9 1 9 1 FS SEC IND SW LM DP DC12V CR 3 1 2 1 1 RY3 1 3...

Page 94: ...ate 4P 2 3 4 SUP 5P WHT 2 1 TR1 P S 2 1 PRY 2P WHT SEC 2P WHT BRN BRN WHT WHT Connector 9P WHT 1 2 FS 3P RED TH1 Coil BLK BLK 1 3 1 3 3 1 7 5 1 2 3 4 5 6 7 8 9 1 S P RC1 2 3 4 5 6 7 8 9 GRN YEL 49FI YEL ORG VLT WHT GRY GRY PNK BRN BLK ORG VLT WHT GRY GRY PNK BRN FMI 49FMI 3P WHT 5P WHT 12P WHT BRN 5 1 5 Remote Control Switch 1 12 1 12 1 3 1 DP 3P BLU BLK BLK DP BRN WHT RED GRN YEL COM FM M 7P H L ...

Page 95: ... 1 8 49FI 49FMI 49FMI 9 3 RY4 Symbols Description FMI 49FI RC1 F DP FS TR RY1 2 4 5 TH1 TH2 Indoor Fan Motor Indoor Motor Thermal Protector Running Capacitor Fuse Drain Pump Float Switch Power Transformer Auxiliary Relay Thermistor Indoor Coil Room Thermistor Symbols Description CR X363GS RCS Indoor Controller Remote Control Switch Terminal Plate Connector Terminal RCS TH2 FS CR X363GS Controller ...

Page 96: ...RED RED RED BLK GRN YEL GRN YEL GRN YEL DRN RED WHT WLU WHT PNK WHT PNK WHT 5 7 L1 L2 8 1 3 Relay 6 2 4 1Y P S 1 2 1 2 Connector 2P WHT 63PH 31 32 C H L 13 14 T W S V R U A B Earth Terminal Earth Terminal 52C CM FM1 C R S YEL WHT VLT GRY GRY BRN PNK WHT VLT GRY GRY BRN PNK C1 C2 23S 49FO OLR Connector 8P WHT 4 5 4 5 6 6 7 7 8 8 2 3 2 3 1 1 P S Electric Wiring Diagram ...

Page 97: ... S R C W T H L V U CM FM 2 1 5 6 1 2 3 4 S 854 2 5269 069 00 0 Symbols Description CM FM 52C 63PH 23S C1 2 1Y Compressor motor Fan Motor 49FO Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate ...

Page 98: ...3PH WHT PNK Electric Wiring Diagram C S R T A 8 7 3 5 4 6 B 47C 1Y P S 1 2 1 2 C H L FM YEL WHT VLT GRY GRY BRN PNK WHT VLT GRY GRY BRN PNK C2 23S 49FO 4 5 4 5 6 6 7 7 8 8 2 3 2 3 1 1 P S 52C CM 49C 51C R R B A 95 96 S T T 13 14 31 32 S U W V WHT WHT WHT BLU WHT BLU RED BLU PNK Connector 2P WHT Connector 8P WHT ORG GRN YEL GRN YEL GRN YEL Earth Terminal Earth Terminal YEL RED ...

Page 99: ... 6 1 2 3 4 S 854 2 5269 070 00 0 Symbols Description CM FM 52C 63PH 23S C2 1Y Compressor motor Fan Motor 49FO Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor 51C Compressor Motor Overcurrent Relay 49C Compressor Motor Thermal Protector 47C Negative Phase Relay High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate ...

Page 100: ...P YEL SOV 3P WHT RN 2P WHT VCC 2P RED C2 E TH S T W S V R U A B 52C 1Y Power Supply Earth Neutral 50Hz 3ø 380V 415 V To Indoor Unit Terminal plate 8P 1 2 4 5 6 7 8 L1 L2 L3 N 1 2 3 4 5 6 7 8 P S Earth Terminal 2 GRN YEL GRN YEL BRN BRN RED PNK BRN YEL PNK BRN BRN ORG BLU BLU PNK GRY WHT RED RED BLK BLK BRN WHT WHT BRN WHT BLU ORG PNK BLK VLT PNK BRN RED WHT BLU GRY PNK BRN GRY GRY WHT VLT YEL PNK ...

Page 101: ... 3 1 2 3 1 1 2 1 1 1 3 4 TH 2 3 4 5 6 7 8 L2 L3 N N1 SOV RY3 1Y RY1 RY2 RY3 RY4 RY5 RY6 RY7 RY8 Symbols Description CM CH 52C 63PH TH RC2 RY1 8 1Y Compressor motor Crankcase Heater FMO Outdoor Fan Motor 49FO Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor 51C Compressor Motor Overcurrent Relay 49C Compressor Motor Thermal Protector SOV Shut Off Valve TR Power Transformer Hi...

Page 102: ... 52C CM 51C U R B A 1Y 8 3 1 5 6 4 2 7 95 96 V W T 13 14 31 32 S U 2 4 6 W V WHT WHT BLU WHT BLU RED BLU Connector 2P WHT 63PL RED RED RED WHT P S 1 2 1 2 Connector 2P RED Connector 8P WHT Earth Terminal Earth Terminal RED PNK WHT PNK WHT VLT GRY GRY BRN PNK FM2 YEL WHT VLT GRY GRY BRN PNK C3 49FO2 4 5 6 7 8 2 3 1 4 5 6 7 8 2 3 1 P S Connector 8P WHT WHT VLT GRY GRY BRN PNK GRN YEL GRN YEL GRN YEL...

Page 103: ... 4 23C L H C Symbols Description CM FM1 2 52C 63PL 23S C2 3 1Y 2Y Compressor motor Fan Motor 49FO1 2 Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor 51C Compressor Motor Overcurrent Relay 47C Negative Phase Relay 63PH High Pressure Switch Low Pressure Switch Fan Speed Control Thermostat Capacitor Auxiliary Relay Connector Terminal Plate Schematic Diagram S 854 2 5269 071 00...

Page 104: ...415 V To Indoor Unit Terminal plate 8P 1 2 4 5 6 7 8 L1 L2 L3 N 1 2 3 4 5 6 7 8 P S 1 3 Earth Terminal 2 GRN YEL GRN YEL BRN BRN RED PNK BRN YEL PNK BRN BRN PNK GRY WHT 63PL RED RED RED BLK BLK BRN WHT WHT BRN WHT BLU ORG PNK BLK VLT PNK BRN RED WHT BLU PNK BRN GRY GRY WHT VLT YEL PNK BRN GRY GRY WHT VLT YEL BRN RED WHT BLU ORG GRY Connector 2P RED Connector 8P WHT Connector 8P RED GRN YEL 49FO2 F...

Page 105: ... 1 1 3 1 4 3 3 3 4 TH 2 3 4 5 6 7 8 2Y L2 L3 N N1 RC3 H M L FMO 2 5 6 1 2 7 3Y 1Y RY1 49FO 2 49FO 1 63PH 51C RY2 RY3 RY4 RY5 RY6 RY7 RY8 Symbols Description CM CH 52C 63PH TH RC2 3 RY1 8 1Y 3Y Compressor motor Crankcase Heater FMO1 2 Outdoor Fan Motor 49FO1 2 Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor 51C Compressor Motor Overcurrent Relay TR Power Transformer High Pre...

Page 106: ... even when the outdoor temperature falls below 25 5 C 8 Compressor does not run 9 Poor cooling 10 Excessive cooling 4 2 A Sensor is Defective 4 3 Operation of Major Electrical Parts 4 4 Checking the Electrical Components 1 Measurement of Insulation Resistance 2 Checking the Protective Devices 3 Checking the Electrical Parts 4 Thermistor Characteristic Curve IV 2 IV 2 IV 3 IV 7 IV 9 IV 9 IV 10 IV 1...

Page 107: ...Line voltage are correctly connected between the indoor unit and outdoor unit Check the power supply Check that the voltage is within the specified range 10 of the rating Check that power is supplied If the following troubleshooting must be done with the power being supplied take care not to touch any uninsulated live parts that will given an ELECTRIC SHOCK Check the lead wires and connectors in i...

Page 108: ...inter unit power line from terminal plate in outdoor unit Check insulation resistance of outdoor unit OK Remove inter unit power line from terminal plate in indoor unit Check insulation resistance of indoor unit OK Inter unit power lines is defective NO Insulation of indoor unit is defective Check insulation resistance of electrical parts in outdoor unit Check insulation resistance of electrical p...

Page 109: ...is defective a Open No continuity in sensor Neither the outdoor fan nor compressor runs b Short The outdoor fan and compressor do not stop Excessive cooling 4 3 Operation of Major Electrical Parts Function Operation Oudoor unit Operation Mode Sweep Room Temp Fan Compressor Manual Night setback Timer set Thermo ON Thermo OFF Thermo ON Thermo OFF ON Timer OFF Timer Cool Fan Cool Fan NOTE Refer to Co...

Page 110: ...e continuity between the No 1 and No 2 poles of the socket Has Operation selector switch been set to ON position YES Set Operation selector switch to ON NO Neither unit runs Switch Ass y or P C B Ass y in the indoor unit is defective IND LAMP Ass y or P C B Ass y in the indoor unit is defective Check compressor motor overcurrent relay 51C Is it actuated YES NO YES Consult power supply company and ...

Page 111: ...ntly once or twice by hand Check fan casing for foreign matter on inside Remove foreign matter or repair Repair or replace Fan cannot be rotated OK Check fan motor capacitor Fan motor burnout or foreign matter in bearing G Check the fuse on the P C B Ass y in the indoor unit Check fuse on P C B Ass y in indoor unit for continuity Check transformer TR Check resistance of indoor fan motor winding FM...

Page 112: ...e setting button COOLER Set Operation selector switch to TEST in indoor unit YES Outdoor unit runs Is room temperature too low NO Try to run both indoor and outdoor units with another remote control unit OK Other remote control unit is defective Room sensor in remote control unit is defective C Outdoor unit is abnormal a Check the power supply wiring Check negative phase relay 47C Is it actuated R...

Page 113: ... Ass y No voltage appears P C B Ass y is defective D Check the indoor unit P C B Is temperature of compressor abnormally high Insufficient refrigerant gas YES NO Compressor is defective Charge refrigerant gas Check compressor motor thermal protector 49C Check compressor motor magnetic contactor 52C Only the outdoor fan does not run ...

Page 114: ...motor capacitor OK Relay RY1 or RY2 on P C B Ass y is defective Check fan rotation Rotate fan gently once or twice by hand Check fan casing for foreign matter on inside Remove foreign matter or repair Repair or replace Fan cannot be rotated Fan motor burnout or foreign matter in bearing OK 2 Louver motor does not run Check resistance of louver motor winding P C B Ass y or remote control unit is de...

Page 115: ...Fan motor burnout or foreign matter in bearing 8 Compressor does not run Check compressor motor capacitor Refer to 4 4 0635_X_S Check resistance of compressor motor winding Check compressor motor overload relay OK OK OK NG NG NG Refer to 4 4 Refer to 4 4 Refer to 4 4 NG Replace magnetic contactor Check continuity between terminals R U and then S V on the magnetic contactor OK 7 Outdoor fan speed i...

Page 116: ... Insulate wide tube and then execute taping with narrow tube YES NO Possibility of insufficient refrigerant Charge refrigerant Temperature difference is small YES Check clogging of air filter Temperature difference between suction and discharge air is large enough approx 10 deg or more Clean filter Air filter is clogged Set fan speed to either HIGH or MEDIUM Is fan speed set to LOW Reduce cooling ...

Page 117: ...is too low Is remote control unit installed where it can detect room temperature properly 0637_X_S Set temperature to higher value using temperature setting button of remote control unit Change installation position of remote control unit YES NO ...

Page 118: ...type 2 3 Meaning of LED indication LED1 POW Off Light Light Flash Light Light Off Light Normal state Low pressure switch is activated Negative phase Defective phase High pressure switch is activated Outdoor fan thermal protector activated Outdoor coil thermistor is open or short Light Light Light Off Light Off Light Off LED2 D005 Cause of trouble ...

Page 119: ...is defective a Open No continuity in sensor Neither the outdoor fan nor compressor runs b Short The outdoor fan and compressor do not stop Excessive cooling 4 3 Operation of Major Electrical Parts Function Operation Oudoor unit Operation Mode Sweep Room Temp Fan Compressor Manual Night setback Timer set Thermo ON Thermo OFF Thermo ON Thermo OFF ON Timer OFF Timer Cool Fan Cool Fan NOTE Refer to Co...

Page 120: ...istance by placing a probe on the terminal plate in the same manner as explained above in Fig 4 3 Measuring the Insulation Resistance for Electrical Parts Disconnect the connector of the desired electrical part from terminal plate P C B Ass y etc Fig 4 4 Similarly disconnect the lead wires from the compressor capacitor etc Fig 4 5 Measure the resistance in the same way as illustrated on the right ...

Page 121: ...f there is a continuity between terminals Indoor fan motor thermal protector 49FI Indoor unit Disconnect the connector which leads to the indoor fan motor FMI Check the socket terminals Compressor motor thermal protector 49C Outdoor unit Disconnect both the connectors in the outdoor unit Check the terminal between the plug and socket Outdoor fan motor thermal protector 49FO Outdoor unit Disconnect...

Page 122: ... fan motor Refer to 1 2 A Major component specifications Outdoor fan motor FMO Outdoor unit Measure the coil resistance Measure the resistance in the same manner as explained above Refer to 1 2 B Major component specifications Fan motor capacitor Both in indoor and outdoor unit Disconnect the lead wires from the capacitor terminals and then place the probe on the capacitor terminals as shown in Fi...

Page 123: ...e fuse by using the multimeter Fig 4 9 Having continuity is acceptable 4 Thermistor Characteristic Curve Room temp sensor Coil sensor Fuses Indoor P C B Ass y 0644_X_S Fuse 0645_X_S PBC 41E KTEC 35 Resistance kn 10 15 20 25 30 35 40 10 9 8 7 6 5 4 3 2 1 Temperature C 0374_M_I 20 15 10 5 0 5 10 15 20 0 5 10 15 20 25 30 35 40 Temperature C Resistance kn 0375_M_I Fig 4 8 Fig 4 9 ...

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Argo AC 425 C, Technical Data & Service Manual

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