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TECHNICAL DATA & SERVICE MANUAL

1. LHW de zo ett 219 9 de de sjel L LOWS 6 29 LHM NHD dE 078 dE mig de yeg T3A NHO rennen AL de 815tS2H2 H2 19101005 2 XXX AT ai r r r T weibeig 20199 dg eie A 51 08 9 ZHOS A ddng 1 116 Terminal Plate 8P 5365 AER548SCL3E Schematic Diagram CR CR254GL8 Controller TH lt 11 2 Outdoor Coil C2
2. Suspension bolt hole pitch 35 T 8 l B i L 670 2 mI 4 M 250 250 Air outlet or more A or more 214 4 Service space Service space 81 170 Air intake 5 e 77777777 103 147 183 Dimension mm Drain connection Drain connection for left side Refrigerant liquid line 29 52 Refrigerant gas line 18 25 type 215 88 36 48 type 219 05 Hole for rear side refrigerant tubing Hole for through the wall refrigerant tubing 9100 hole Hole for upper side refrigerant tubing Knockout hole A B C IDIEIFIGIHII I JIKILIMIN Hole for right side refrigerant tubing Knockout hole 25 type _ 1 300 1 280 1 280 147 101 64 1341471116 83 120 95 147 190 Hole for left side drain connection Knockout hole Hole for power supply cord Knockout hole 240 36 48 type 1 575 1 555 1 505 197 151 114 184 197 121 80 170 140 197 240 Hole for remote controller wiring Age 1394_X_S A Indoor Units Concealed Duct Type 25 Type 5 1 Ne S Z I Sga
3. Indoor Unit i Outdoor Unit below a 2 2 Do not share a common installation group with other equipment D Ground Be sure that supply network impedance is suffi D Se ciently low Zsvs lt m E N It may be necessary to consult the power supply authority before connection of the air conditioner Ground to a low voltage public network 0560_M_I Models RQ Remarks ias AER525SC L 3E Care is not needed Tues AERS536SC L ES 0 192 Conforms to the local code 50 Hz 380 415 V AER548SC L 3E 0 167 Ditto AER525SCE 0 126 Ditto Indoor Unit Outdoor Unit B 3 Dy Good Ol A C ee 2 L 3 o L3 N oro Sore Ground 0561 M I 1 78 Electrical characteristics Indoor model AS425C Outdoor model AER525SCE Indoor Unit Outdoor Unit 220 240V 1 phase 50Hz 220 240V 1 phase 50Hz Rating conditions Fan Motor 0 6 0 63 Fan Motor 0 62 0 65 Compressor 12 1 12 3 Complete Unit 13 32 13 58 0 13 0 15 0 13 0 15 2 5 2 64 2 76 2 94 0 6 0 63 0 62 0 65 13 8 14 7 15 02 15 98 Full load conditions 0 13 0 15 0 13 0 15 2 85 3 2 3 11 3 5 Starting amperes 1 1 1 1 Indoor model AS425C Outdoor model AER525SC L 3E Indoor Unit 67 73
4. e L r2 5 155 9 854 2 5269 045 00 1 Description Compressor motor Crankcase Heater Outdoor Fan Motor Compressor Motor Magnetic Contactor Outdoor Fan Motor Thermal Protector Compressor Motor Thermal Protector Compressor Motor Overcurrent Relay High Pressure Switch Shut Off Valve Power Transformer Thermistor Outdoor Coil C2 Running Capacitor RY1 8 1Y Auxiliary Relay F1 2 Fuse Terminal Base O Connector Terminal Ill 13 ANd Nua A49 AYD LHM LW TAA 8 7 6 5 4 3 2 1 5 63PL 63PH a 4 15 ANd 2 2 PNK NH8 AWD Connector 2 RED Connector 2P WHT r LIA r L RED 1 1 RED WHT 2 2 RED C E TB S 47 8 7 6 5 4 3 2 LHM d8 1012euu0 Earth Terminal Electric Wiring Diagram F Earth Terminal e y ah Terminal J J3A NHO IHA NHO 3 AER536SC3E AER548SC3E
5. Symbols 854 2 5269 046 00 1 Description Compressor motor Crankcase Heater Outdoor Fan Motor Compressor Motor Magnetic Contactor Outdoor Fan Motor Thermal Protector Compressor Motor Overcurrent Relay High Pressure Switch Low Pressure Switch Power Transformer Thermistor Outdoor Coil C2 Running Capacitor RY1 8 1Y 3Y Auxiliary Relay F1 2 Fuse Terminal Base Connector Terminal Ill 17 4 SERVICE PROCEDURES Alt TROBDIGSDIOONTIO cig a sua eehter awina kayu IV 2 1 Check before and after Troubleshooting IV 2 2 Air conditioner does not operate IV 3 3 Outdoor unit does not Minis tm Aes otis al veo IV 7 4 Indoor unit does not run sa cosi e p ces ich iate xen a sees IV 9 5 Some part does not IV 9 6 Outdoor fan does not CUL sa insert teen IV 10 7 Outdoor fan speed is not switched from High to Low even when the outdoor temperature falls below 25 5 IV 10 8 Compressor does not EUUL aas eer b crt nnn Ea ta a OR E d IV 10 8 POOFSOOIIDIO nennen aea vod rk o td p E e IV 11 10 Excessive cooling annae nenennnenee IV 12 11 PCB for SEE models
6. Refer to 4 4 Check resistance of compressor motor winding d 4 4 OK NG Check compressor motor overload relay Refer to 4 4 OK m NG Check continuity between terminals R U and Replace magnetic then S V on the magnetic contactor contactor OK IV 10 9 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 s wide tube between indoor unit Insulate wide tube and and outdoor unit insulated then execute taping with narrow tube YES Temperature difference is small Possibility of insufficient refrigerant Measure temperatures of suction and discharge air of indoor unit Charge refrigerant Temperature difference between suction and discharge air is large enough approx 10 deg or more Check clogging of air filter Clean filter Air filter is clogged YES Set fan speed to either s fan speed set to LOW HIGH or MEDIUM Review cooling load estimate Reduce cooling load or if performance of air conditioner replace the unit with is normal higher cooling capacity 0636 X S IV 11 10 Excessive cooling Set temperature to YES Set temperature is too low higher value using temperature setting button of remote control unit Is remote
7. pa v i IV 13 4 2 A Sensors Defective ducc a C da du aue L o IV 14 4 3 Operation of Major Electrical 2222 01 IV 14 4 4 Checking the Electrical Components IV 15 1 Measurement of Insulation Resistance IV 15 2 Checking the Protective IV 16 3 Checking the Electrical 00 IV 17 4 Thermistor Characteristic IV 18 IV 1 4 1 Troubleshooting 1 Check before and after troubleshooting Many problems may occur because of wiring or power supply problems and so you should check these areas first Problems here can cause incorrect results in some of the other tests and so they should be remedied first D Check power supply wiring a Single phase Check that the power supply wires are correctly connected to terminal No 1 through No 4 on the 4P terminal plate on the indoor unit and L and N on the 6P terminal on the outdoor unit b 3 phase Check that the power supply wires are correctly connected to terminal No 1 through No 4 on the terminal plate on the indoor unit and L1 through L3 and N on the 8P terminal on the outdoor unit 2 Check the inter unit wiring Check that the inter unit control wires AC 220 240 V Line voltage are correctly connected betwe
8. Nd LHM LHM AHO Tst AHO AHD 4 r AHO D jeuiuue uue3 TAA GNINP 13A 4 LIA T3A NHS 2 r lt D mi lt r L s e sjeli Lele i 7989 215 Hd 9 ZONA LOWS OdJ6r 229 MSO AWD dE qatu dE az LHM 2 dE 18 d A ddng AL EA 79 FL A GIV AO8E 96 ZHOS ANd JHM qaq g819trSzZtO uO 4 dg eieid Jeuiuue l wesbeig Ill 12 5255 e Schematic Diagram Terminal Plate 8P F1 3 15A RY1 CR CR254GL8 o Controller RY3 b CAD Outdoor MGS Coil C2 1
9. A Indoor Unit MODEL No AC448C Source 220 230 240 V 1 phase 50Hz Remote Controller Accessory REM CLR A Controller P C B Ass y CR X363GS Switch Ass y SW X363GS Fan Number diameter Centrifugal 4 150 Fan motor Model Nominal output KFG4X 101C6P 100 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 070 Coil resistance Ambient temperature 20 C BRN WHT WHT VLT VLT ORG 61 05 ORG YEL 9 955 YEL BLK 9 576 BLK PNK Safety device Operating temperature 130 8 79 15 Run capacitor 440 V 5 0 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 3 1 7 Face area 0 326 Auto louver motor MT8 3C Auto louver motor Rated V Hz W rpm 220 240 VAC 50Hz 3 W 3 3 rpm Coil resistance at 25 C Q 1 27 16 430 248 A Indoor Units MODEL No AD425CW 220 230 240 V 1 phase 50Hz Source Controller P C B Ass y CR X363GS Microprocessor Fan Number diameter Centrifugal 2 0 190 Fan motor Model Nominal output KFG4X 71B5P 70 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 063 Coil resistance Ambient temperature 20 C
10. 25 so Max allowable tubing length at shipment m 15 15 15 Required additional refrigerant g m a 25 b 80 b 80 Refrigerant charged at shipment kg 2 4 3 0 4 0 4 3 No additional charge of compressor oil is necessary f 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 QOR254EL8 low ambient temperature model only 1 73 Installation Site Selection Ceiling Mounted Type Indoor Unit AVOID areas where leakage of flammable gas may be expected places where large amounts of oil mist exist direct sunlight locations where nearby heat sources may affect performance of the unit locations where nearby external air may enter the room directly This may cause sweating on the air discharge ports causing them to spray or drip locations where the remote control unit will be splashed with water or affected by dampness or humidity installing the remote control unit behind curtains or furniture Ceiling 25 cm min 25 cm min NOTE The rear of the indoor unit can be installed flush against the wall M r Front view discharge 30 cm min Side view 0020 T I 4 Way Semi Concealed Type DO select an appropriate position from which every corner of the room can be uniformly cooled select a location where the
11. 1 ct S52 552 Rie x 115 m 421 260 24 1 N Qr 2 gt i Air outlet duct flange eL Sg _ A d s L BEL o X o 1 4 x 1 lo E o a 2 L N a 5 7 4 gt lo o S H NS 8 S 8 5 9 s 8 8 Va 8 1 el IE Ki b 4 2 y 3 9 8 amp a y 1 H NS Y i fe ph MEM TES LLL sm iso Suspension bolt pitch D Refrigerant liquid line 29 52 narrow tube Use the tube connector Refrigerant gas line 915 88 wide tube EE 8 Upper drain port O D 32 mm i 2 Bottom drain port O D 26 mm T 1 44 Suspension lug Power supply outlet 2 030 Fresh air intake port 6150 Flange for the flexible air outlet duct 0200 8 Tube cover Electrical component box Flange for the air intake duct Option or field supply 1731 U I A Indoor Units Concealed Duct Type 36 48 Type 10 4 190 qe F 3 T Y I 3 X 285 LD Y T e f Q D Y 5 e LP e gel cat 160 BO 10 30 o 25 630 85 EN o NS LI NBL ogo 1 c I 8
12. Air filter Field supply Remote controller Option Wired RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 40 37 33 44 40 37 using the booster cable 55 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96 8 13 0 2 RAL 7035 GL Limit of tubing length 50 164 Limit of tubing length at shipment 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 9 52 3 8 outer diameter Wide tube 19 05 3 4 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 4 3 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 1 235 48 20 32 1 480 58 9 32 13 12 32 Package dimensions 358 14 3 32 1 326 52 7 32 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 104 106 234 Shipping weight 1 1 671 65 25 32 7 37 40 23 115 113 249 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19
13. 1 7 Cooling Capacity Indoor Unit AD436CW Outdoor Unit AER536SC L 3E RATING CAPACITY 10 6 kW AIR FLOW 1800 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C it 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI Compressor Input KW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB 1 62 1 7 Cooling Capacity Indoor Unit AD448CW Outdoor Unit AER548SC L 3E RATING CAPACITY 12 6 kW AIR FLOW 1980 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI Compressor Input KW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB 1 63 COOLING CAPACITY Low ambient model Ou
14. running amperes 9 48 Power input 4 64 Power factor 80 C O P 2 72 Max starting amperes 56 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 3 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS 5PS3EWL Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Scroll Sanyo Operation sound Indoor Hi Me Lo 44 41 37 Outdoor Hi 55 Color Approximate value Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length 50 164 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 9 52 3 8 outer diameter Wide tube in 19 05 3 4 Refrigerant amount at shipment R407C 4 3 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions i in 240 9 14 32 1 235 48 20 32 1 575 62 670 26 12 32 340 1 326 52 7 32 Package dimensions i in 317 12 15 32 i
15. 24d 3 or x ui lt gt 1226 Model 48 Type HORIZONTAL DISTANCE m 01 2 3 4 5 6 7 8 9 10 XIS AIR VELOCITY AXIS AIR VELOCITY m s VERTICAL DISTANCE m 3 4 5 COOLING HEATING FAN SPEED HIGH HIGH ROOM AIR TEMP 27 20 LOUVER ANGLE 4 COOLING HEATING 1227 T I 2 1 11 Installation Instruction Tubing Length e Refrigerant tubing between the indoor and outdoor units should be kept as short as possible e The length of the refrigerant tubing between thein door and outdoor units is restricted by the eleva tion difference between the 2 units This means that the more uphill 1 unit is from the other the shorter the tubing must be As you install the tubing try to make both the tubing length L and the elevation H as short as possible Refer to Fig INDOOR Tubing length L UNIT OUTDOOR UNIT Elevation difference H LI I T ESD 0711 MI Fig 1 2 1 2 and Table 1 1 for more information Tabel 1 1 For 50Hz models Tubing Data Models 25 type 36 type 48 type Tubing size Narrow tube mm in 6 35 1 4 9 52 3 8 9 52 3 8 outer dia Wide tube mm in 15 88 5 8 19 05 3 4 19 05 3 4 Limit of tubing length m 40 50 50 tte mmu _ ez units
16. 358 14 3 32 826 32 17 32 783 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 148 Shipping weight 1 191 46 28 32 161 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 8 5 AD436CW 5365 POWER SOURCE 380 400 415 V 3N 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 10 6 BTU h 36 000 Air circulation Hi Me Lo m h 1 080 1 560 1 260 Moisture removal High Liters h 4 2 External static pressure High ELECTRICAL RATINGS mmAq Pa 79 8 1 at shipment 122 12 4 using the booster cable Voltage rating 400 Available voltage range 342 456 Running amperes 7 16 Max running amperes 8 02 Power input 4 09 Power factor 83 C O P 2 59 Max starting amperes FEATURES 49 Controls Thermostat control Microprocessor Timer ON OFF 12 hours Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired
17. BRN WHT 74 72 ORG YEL 9 588 WHT VLT 19 14 YEL BLK 10 52 VLT ORG 10 52 BLK 21 72 Safety device Operating temperature 130 5 115 5 Run capacitor 450 VAC 5 pF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 3 1 7 Face area 0 189 Drain pump PJV 1422 Rated AC 230 V 50 Hz 12W Total head amp capacity 1 28 500 mm 400 cc min A Indoor Units MODEL No AD436CW Source 220 230 240 V 1 phase 50Hz Coniroller P C B Ass y CR X363GS Microprocessor Fan Number diameter Centrifugal 3 190 Fan motor Model Nominal output KFC4X 141A5P 160 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 207 Coil resistance Ambient temperature 20 C BRN WHT 25 79 WHT VLT 5 086 VLT ORG 8 626 ORG YEL 5 792 YEL BLK 6 746 PNK VLT 6 361 Safety device Operating temperature 130 5 115 5 Run capacitor 450 VAC 6 pF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 3 2 0 Face area 0 308 Drain pump PJV 1422 Rated AC 230 V 50 Hz 12 W Total head amp capacity 1 29 500 400 A Indoor Units MODEL N
18. Compressor Input KW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 WB 1 53 1 7 Cooling Capacity Indoor Unit AS436C Outdoor Unit AER536SC L 3E RATING CAPACITY 10 6 kW AIR FLOW RATE 1920 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C it 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI lt Input kW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB l 54 1 7 Cooling Capacity Indoor Unit AS448C Outdoor Unit AER548SC L 3E RATING CAPACITY 12 6 kW AIR FLOW RATE 1920 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW lt Input kW Rati
19. Crank case heater Refrigerant amount at shipment kg R407C 2 4 High pressure switch ACB 1TB07 Set pressure OFF kg cm 92 0 9 2 0 5 MPa ON kg cm 24 2 0 2 4 0 2 MPa Fan Propeller Number diameter 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 70 Coil resistance Ambient temperature 20 C WHT BRN WHT VLT VLT YEL YEL PNK 15 0 7 2 1273 56 7 Safety device Internal type Operating temperature 130 8 79 15 Run capacitor 450 V 6 uF Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area pod e 1 2 Major Component Specifications B Outdoor Unit Source 380 400 415 V 3 phase 50 Hz Controller P C B Ass y Control circuit fuse Compressor Rotary Hermetic Model number C RN223H8D Source 380 400 415 V 3 phase 50 Hz Nominal output 2400 Compressor oil 1350 Coil resistance 577 R S 5 66 Ambient temperature 25 C 5 38 Safety devices Overload relay models Internal type Operating temperature C 120 5 C 98 11 Crank case heater Refrigerant amount at shipment kg R407C 2 4 H
20. IND Lamp Assy 1 7 Switch Assy 11213 Connector 4P WHT 7P WHT 2P RED 2P YEL RED 3P G Controller CR X363GS 5P WHT 2P WHT 2P WHT BLU RED FM 7P WHT WHT DP COM MHL 1 517 ce ORG VLT WHT GRY GRY GRN YEL PNK BRN o oo nov a m m ENEN YEL ORG VLT WHT Connector 9P WHT 2374 Terminal Plate 4P To Outdoor Unit Power Supply PNK BRN BLK 19 GRY GRY J GRN YEL GRN YEL Earth Earth Earth Terminal Terminal Terminal W 854 2 5268 495 00 2 X253GS56 X363GS56 X483GS56 1 2 D 5425 AS436C 5448 e Schematic Diagram CR X363GS 4 Controller Symbols Description Symbols Description FMI Indoor Fan Motor CR X363GS Indoor Controller 49FMI Indoor Motor Thermal Protector RCS Remote Control Switch Capacitor Terminal Plate Fuse Connector Drain Pump Terminal Dew Proof Heater Auto
21. JOOPUIOL AGLE AOSE 2 ZHOS W 854 2 5269 071 00 0 Ill 14 5365 AER548SC3E Schematic Diagram 854 2 5269 071 00 0 Symbols Description Compressor motor Fan Motor Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor Compressor Motor Overcurrent Relay Negative Phase Relay High Pressure Switch Low Pressure Switch Fan Speed Control Thermostat Capacitor Auxiliary Relay Connector Terminal Plate III 15 5365 AER548SCL3E 00 970 gt m 6929 2 798 07 S 10 99UU0D d T3A NHO T3A NHO 1046 3 LHM Jojeuuo eer AUD Jaja NYa ANd ANd GNIS 13A LNA LIA LHM LHM AUD Tes AUD TAA ej 13A LNA LIA r LHM LHM AHOJ F H AHO AHS Foolen AHD NH8 NH8 STI de 40 O98UU0D AYD T3A NHO X z 2 lt
22. Outdoor Unit Fan Motor Fan Motor Compressor 69 75 Complete Unit 220 240V 1 phase 50Hz 380 415V 3 phase 50Hz A Rating conditions 0 6 0 63 0 62 0 65 4 25 4 21 4 63 4 59 0 13 0 15 0 13 0 15 2 4 2 43 2 66 2 73 0 6 0 63 0 62 0 65 5 38 5 25 5 75 5 62 Full load conditions 0 13 0 15 0 13 0 15 3 02 3 02 3 28 3 32 Starting amperes 1 1 1 1 Indoor model AS436C Outdoor model AER536SC L 3E Indoor Unit 25 28 Outdoor Unit Performance at Rating conditions Fan Motor 220 240V 1 0 92 0 93 Fan Motor phase 50Hz 1 24 1 31 Compressor 380 415V 3 6 35 6 39 27 30 Complete Unit phase 50Hz 7 01 7 05 0 20 0 22 0 26 0 29 3 46 3 51 3 92 4 02 Full load conditions 0 92 0 93 1 24 1 31 7 2 7 24 7 89 7 93 0 20 0 22 0 26 0 29 4 28 4 27 4 74 1 4 78 Starting amperes 2 2 3 3 Indoor model AS448C Outdoor model AER548SC L 3E Indoor Unit 42 45 Outdoor Unit Performance at Rating conditions Fan Motor 220 240V 1 0 92 0 93 Fan Motor phase 50Hz 1 24 1 31 Compressor 380 415V 3 7 5 7 3 47 50 Complete Unit phase 50Hz 8 15 7 97 0 20 0 22 0 26 0 29 4 05 4 06 4 51 4 57 0 92 0 93 1 24 1 31 8 8 8 6 9 47 9 28 F
23. 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 20 w NC 70 Er 60 60 a 2 192 50 50 a 2 3 m 40 40 28 3 amp 30 NC 3 uS zT 2G APPROXIMATE 5 20 THRESHOLD OF 0dB HEARING FOR CONTINUOUS NOISE 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 0599_C_S 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 structure of the building the background noise and other factors 2 The test results were obtained from an anechoic room NOTE To evaluate Noise level the maximum number of the measured OCTAVE BAND SOUND PRESSURE LEVEL is used Read the number on each BAND CENTER FREQUENCIES horizontal axis ranging from 63 Hz to 8000 Hz and select the maximum value vertical axis among them 1 69 1 9 Indoor Fan Performance Concealed Duct Type If external static pressure is too great due to long Electrical component box extension of ducts for example the air flow volume Booster cable may drop too low at each air outlet This problem may Fan be solved by increasing the fan speed using the motor Booster cable following procedure 1 Remove 2 screws on the ele
24. C DB 23 C WB Outdoor air temperature 43 C DB 1 16 AD425CW AER525SC3E POWER SOURCE 380 400 415 V 3N 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 080 900 780 Moisture removal High Liters h 3 5 External static pressure High ELECTRICAL RATINGS mmAq Pa 50 5 1 at shipment 92 9 4 using the booster cable Voltage rating 400 Available voltage range 342 456 Running amperes 5 05 Max running amperes 5 75 Power input 3 00 Power factor 86 C O P 2 43 Max starting amperes FEATURES 29 Controls Thermostat control Microprocessor Timer ON OFF 12 hours Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 34 30 27 38 34 30 using the booster cable 52 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96 8 13 0 2 RAL 7035 GL Limit of tubing length 40 131 Limit of tubing length at shipmen
25. RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 34 30 27 38 34 30 using the booster cable 52 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96 8 13 0 2 RAL 7035 GL Limit of tubing length 40 131 Limit of tubing length at shipment 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 40 131 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 6 35 1 4 outer diameter Wide tube 15 88 5 8 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 2 4 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 735 28 30 32 1 000 39 12 32 13 12 32 Package dimensions 358 14 3 32 826 32 17 32 783 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 148 Shipping weight 1 191 46 28 32 161 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32
26. AHO r AH9 AUD AUD 0 OAT Connector 2P WHT LHM 7 6 5 4 3 2 i LIA TAA 8 8 LHM d Terminal D yun A 91 9 ZHOS A ddng TaA NYD G G Earth Terminal T3A NHO T3A NHO WW 854 2 5269 070 00 0 III 10 3 2 Outdoor Units AER525SC3E e Schematic Diagram Description Compressor motor Fan Motor Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor Compressor Motor Overcurrent Relay Compressor Motor Thermal Protector Negative Phase Relay High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate S 854 2 5269 070 00 0 Ill 11 8 AER525SCL3E 00 5 0 6925 2 58 TAA NYD qat Joyoauu0D AWD LHM d8 10 99UU0D jeuiuue yeg gt es THA NHO NHA Jaja ANd
27. Outdoor unit is lower than indoor unit 30 98 9 52 3 8 19 05 3 4 R407C 4 0 Indoor unit Include panel 358 14 3 32 1 150 45 9 32 860 33 27 32 Panel Outdoor unit 1 235 48 20 32 940 37 340 13 12 32 Outdoor unit Height Width Depth in in mm in Body mm mm Package dimensions Height mm in 316 12 14 32 104 4 3 32 1 326 52 7 32 1 114 43 27 32 1 257 49 16 32 1 016 40 860 33 27 32 999 39 11 32 416 16 12 32 Net weight 38 84 Shipping weight 32 71 10 22 104 229 111 245 Shipping volume Cooling Rating conditions 0 303 10 7 0 131 4 6 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 6 AS448C FE 5485 POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity 12 6 43 000 1 920 1 680 1 320 6 3 MODEL No kW BTU h m h Liters h Air circulation Hi Me Lo Moisture removal High ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor C O P Max starting amperes FEA
28. cooling cycle ROOM TEMPERATURE MORE THAN 3 MINUTES SS WITHIN 3 MINUTE S T 0 5 C 2 THERMO ON 2 SET TEMP T C THERMO OFF THERMO OFF MORE THAN 3 MINUTES 5 MINUTES COMPRESSOR SET SPEED MANUAL INDOOR FAN OUTDOOR FAN 0607 X S Fig 2 1 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 stop 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 the temperature rises 0 5 C above the set temperature T 0 5 C Compressor ON Thermo OFF When the room temperature is equal to or below the set temperature T Compressor gt OFF 11 2 2 2 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 the circulation of cool air from the indoor unit s fan FREEZE FREEZE PREVENTION PREVENTION MORE THAN 10 MINUTES 6 MINUTES 10 MINUTES 6 MINUTES lt c gt gt lt INDOOR COIL TEMPERATURE THERMO ON THERMO OFF ON OFF O
29. 1 Indoor model AC436C Outdoor model AER536SC L 3E Performance at Rating conditions Indoor Unit 25 28 Outdoor Unit Fan Motor 220 240V 1 0 95 0 98 Fan Motor phase 50Hz 1 24 1 31 Compressor 380 415V 3 6 35 6 39 27 30 Complete Unit phase 50Hz 7 01 7 06 0 2 0 22 0 26 0 29 3 46 3 51 3 92 4 02 Full load conditions 0 95 0 98 1 24 1 31 7 2 7 24 7 89 7 93 0 2 0 22 0 26 0 29 4 28 4 27 4 74 4 78 Starting amperes 2 2 3 3 Indoor model AC448C Outdoor model AER548SC L 3E Performance at Rating conditions Indoor Unit 42 45 Outdoor Unit Fan Motor 220 240V 1 0 95 0 98 Fan Motor phase 50Hz 1 24 1 31 Compressor 380 415V 3 7 5 7 3 47 50 Complete Unit phase 50Hz 8 16 7 97 0 2 0 22 0 26 0 29 4 05 4 06 4 51 4 57 Full load conditions 0 95 0 98 1 24 1 31 8 8 8 6 9 47 9 28 0 2 0 22 0 26 0 29 4 92 4 94 5 38 5 45 Starting amperes 2 2 3 3 48 53 53 58 Rating Conditions Indoor Air Temperature 27 DB 19 C WB Outdoor Air Temperature 35 C DB Indoor Air Temperature 35 C DB 25 C WB Outdoor Air Temperature 50 C DB Rating Conditions l 80 Electrical characteristics Indoor model AD425CW Outdoor model AER525SCE Indoor Unit Outdoor
30. 1 678 66 2 32 ze 31 2 32 Net weight 8 84 106 Shipping weight 4 97 113 Shipping volume 0 L 14 8 0 56 DATA SUBJECT TO CHANGE WITHOUT NOTICE 13 12 32 416 16 12 32 5 37 40 23 24 Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 15 1 1 Unit Specifications Concealed Duct Type AD425CW AERS25SCE POWER SOURCE 220 230 240 V 1 phase 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 080 900 780 Moisture removal High Liters h 3 5 External static pressure High ELECTRICAL RATINGS mmAq Pa 50 5 1 at shipment 92 9 4 using the booster cable Voltage rating 230 Available voltage range 198 264 Running amperes 14 6 Max running amperes 15 5 Power input 3 08 Power factor 92 C O P 2 37 Max starting amperes FEATURES 72 Controls Thermostat control Microprocessor Timer ON OFF 72 hours Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired
31. 1 680 1 320 4 6 MODEL No kW BTU h m h Liters h Air circulation Hi Me Lo Moisture removal High ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor C O P Max starting amperes FEATURES Controls Thermostat control Timer Fan speeds Indoor Outdoor Airflow direction Indoor Air filter Remote controller Option Refrigerant control Drain pump Drain connection Compressor Operation sound 400 342 456 7 02 7 78 3 97 82 2 67 49 Microprocessor ON OFF 12 hours ON OFF 24 hours amp Program 3 and Automatic control 3 Auto Automatic Remote control Washable easy access long life 2 500 hr Wired RCS 31G W Wireless RCS 5PS3E Capillary tube Max head 25 cm above drain connection 25A OD32 mm Scroll Sanyo 43 40 36 53 Munsell 10Y9 3 0 4 RAL 9010 GL Munsell 6 96 8 13 0 2 RAL 7035 GL Indoor Hi Me Lo Outdoor Hi Indoor Outdoor dB A dB A Color Approximate value REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment Limit of elevation difference between the two units Refrigerant tube Narrow tube outer diameter Wide tube Refrigerant amount at shipment DIMENSIONS amp WEIGHT Unit dimensions 50 164 15 49 Outdoor unit is higher than indoor unit 50 164
32. 12 32 Net weight 30 66 148 Shipping weight 27 6 161 67 0 8 18 73 Shipping volume 0 195 6 9 0 1 3 5 0 349 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 3 AS425C AER525SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity 7 3 25 000 1 140 1 020 840 3 6 MODEL No kW BTU h m h Liters h Air circulation Hi Me Lo Moisture removal High ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor Max starting amperes FEATURES Controls Thermostat control Timer Fan speeds Indoor Outdoor Airflow direction Indoor Air filter Remote controller Option Refrigerant control Drain pump Drain connection Compressor Operation sound 400 342 456 4 78 5 68 2 79 84 2 62 29 Microprocessor ON OFF 12 hours ON OFF 24 hours amp Program 3 and Automatic control 3 Auto Automatic Remote control Washable easy access long life 2 500 hr Wired RCS 31G W Wireless RCS 5PS3E Capillary tube Max head 25 cm above drain
33. 58 9 32 13 12 32 Package dimensions 358 14 3 32 1 326 52 7 32 is 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 104 106 234 Shipping weight 1 1 671 65 25 32 7 37 40 23 115 113 249 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 21 AD448CW AER548SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 12 6 BTU h 43 000 Air circulation Hi Me Lo m h 1 980 1 800 1 500 Moisture removal High Liters h 5 4 External static pressure High ELECTRICAL RATINGS mmAq Pa 78 8 0 at shipment 113 11 5 using the booster cable Voltage rating 400 Available voltage range 342 456 Running amperes 8 49 Max running amperes 9 62 Power input 4 76 Power factor 81 C O P 2 65 Max starting amperes FEATURES 56 Controls Thermostat control Microprocessor Timer ON OFF 12 hours Fan speeds Indoor Outdoor 3 and Automatic control 3 Auto Airflow direction Indoor
34. 5PS3EWL Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Rotary Sanyo Operation sound Indoor Hi Me Lo 39 37 34 Outdoor Hi 52 Color Approximate value Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 94Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length 40 131 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 6 35 1 4 outer diameter Wide tube in 15 88 5 8 Refrigerant amount at shipment R407C 3 0 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions i in 190 7 15 32 735 28 30 32 1 300 51 6 32 670 26 12 32 340 Package dimensions i in 266 10 15 32 826 32 17 32 37 40 9 5 13 12 32 31 2 32 57 71 10 4 956 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE ane 16 12 32 152 Net weight Shipping weight Shipping volume 0 A 1 403 55 8 32 6 2 Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 DB Full load conditions I
35. 63 125 250 500 BAND CENTER FREQUENCIES Hz 1000 2000 4000 8000 1223 l 67 Concealed Duct Type MODEL AD425CW MODEL AD436CW SOUND LEVEL HIGH 34 dB A NC 22 LOW 27 dB A NC 18 CONDITION Under the unit 1 5 m SOUND LEVEL HIGH 38 dB A NC 30 LOW 31 dB A NC 21 CONDITION Under the unit 1 5 m SOURCE 220 230 240 V 1 Phase 50 Hz SOURCE 220 230 240 V 1 Phase 50 Hz 60 50 40 20 3 THRESHOLD OF J HEARING FOR i x end 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz 0 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 1761_U_I 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 60 50 40 20 APPROXIMATE 0 0002 ubar 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 1763 U I 60 50 40 30 20 APPROXIMATE THRESHOLD OF 4 HEARING FOR 0 0002 ubar 1 5 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz OCTAVE BAND SOUND PRESSURE LEVEL dB 0 d
36. Available voltage range 342 456 Running amperes 5 05 Max running amperes 5 75 Power input 3 00 Power factor 86 C O P 2 43 Max starting amperes FEATURES 29 Controls Thermostat control Microprocessor Timer ON OFF 12 hours Fan speeds Indoor Outdoor 3 and Automatic control 3 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 34 30 27 38 34 30 using the booster cable 52 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96 8 13 0 2 RAL 7035 GL Limit of tubing length 40 131 Limit of tubing length at shipment 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 40 131 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 6 35 1 4 outer diameter Wide tube 15 88 5 8 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 3 0 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 735 28 30 32 1 000 39 12 32 13 12 32 Package dimensions
37. C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 22 1 2 Major Component Specifications A Indoor Unit MODEL No AS425C Source 220 230 240 V 1 phase 50Hz Remote Controller Accessory RCS 5PSSE Controller P C B Ass y CR X363GS Switch Ass y SW X363GS Fan Number diameter Turbo 1 490 Fan motor Model Nominal output SFG6X 41A5P 40 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 6 470 Coil resistance Ambient temperature 20 C BRN WHT 114 0 ORG YEL WHT VLT 289 WHT PNK VLT ORG 124 YEL BLK Safety device Operating temperature 130 8 C 79 t 15 C Run capacitor 440 V 4 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 2 1 7 Face area 0 295 Panel Model No PNR X253GS Indicator Lamp Ass y IND X253GS Dew proof heater 240 V 26 W Auto louver moter M2LB24ZA12 Auto louver motor Rated 240 VAC 3 W 2 5 rpm Coil resistance at 25 C 1 23 15 620 Q 15 A Indoor Unit MODEL No AS436C AS448C Source 220 230 240 V 1 phase 50Hz Remote controller Accessory REM CLRA Controller P C B Ass y CR
38. Louver Motor Power Transformer Auxiliary Relay Float Switch Thermistor Indoor Coil Room Thermistor S 854 2 5268 495 00 2 X253GS56 X363GS56 X483GS56 3 AC425C AC436C AC448C Electric Wiring Diagram arve 49 To Outdoor Unit Earth Power Supply Terminal Switch IND Assy Assy 7 THI TH Coil Room PNK BRN BLK YEL ORG GRY GRY BLK Connector mnm Ww ALA al al o o col ojo N I Connector 2P BLK op VLT NIS WHT GRY GRY BLK BLK Connector 9P WHT SW Assy W LESS WHT WHT RED WHT WHT Controller CR X363GS GRN YEL Connector 2P RED SI Connector 2P WHT W 854 2 5268 667 00 0 T253GSN56 T363GSN56 T483GSN56 Ill 4 2 AC425C AC436C AC448C e Schematic Diagram w TH1 Coil PER EL Room SEP Symbols Description Description FMI Indoor Fan Motor Indicator Lamp Assy 49FMI Indoor Motor Thermal Protector Switch Assy RC1 Running Capacito
39. Microprocessor ON OFF 12 hours ON OFF 24 hours amp Program 3 and Automatic control 3 Auto Automatic Remote control Washable easy access long life 2 500 hr Wired RCS 31G W Wireless RCS 5PS3E Capillary tube Max head 25 cm above drain connection 25A OD32 mm Scroll Sanyo 43 40 36 55 Munsell 10Y9 3 0 4 RAL 9010 GL Munsell 6 96 8 13 0 2 RAL 7035 GL Indoor Hi Me Lo Outdoor Hi Indoor Outdoor dB A dB A Color Approximate value REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment Limit of elevation difference between the two units Refrigerant tube Narrow tube outer diameter Wide tube Refrigerant amount at shipment DIMENSIONS amp WEIGHT Unit dimensions 50 164 15 49 Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 9 52 3 8 19 05 3 4 R407C 4 3 Indoor unit Include panel 358 14 3 32 1 150 45 9 32 860 33 27 32 Panel Outdoor unit 1 235 48 20 32 940 37 340 13 12 32 Outdoor unit Height Width Depth in in mm in Body mm mm Package dimensions Height mm in 316 12 14 32 104 4 3 32 1 326 52 7 32 1 114 43 27 32 1 257 49 16 32 1 016 40 860 33 27 32 999 39 11 32 416 16 12 32 Net weight 38 84 Shipp
40. PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 140 1 020 840 Moisture removal High Liters h 3 6 ELECTRICAL RATINGS Voltage rating 230 Available voltage range 198 264 Running amperes 13 5 Max running amperes 14 7 Power input 2 87 Power factor 93 2 54 Max starting amperes 72 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 12 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS 31G W Wireless RCS 5PS3E Refrigerant control Capillary tube Drain pump Drain connection Max head 25 cm above drain connection 25A OD32 mm Compressor Rotary Sanyo Operation sound Indoor HiMe Lo 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 96 8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length 40 131 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 6 35 1 4 outer diameter Wide tube in 15 88 5 8 Refriger
41. RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 38 33 31 42 38 33 using the booster cable 53 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96Y8 13 0 2 RAL 7035 GL Limit of tubing length 50 164 Limit of tubing length at shipment 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 9 52 3 8 outer diameter Wide tube 19 05 3 4 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 4 0 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 1 235 48 20 32 1 480 58 9 32 13 12 32 Package dimensions 358 14 3 32 1 326 52 7 32 is 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 104 104 229 Shipping weight 1 1 671 65 25 32 7 37 40 22 115 111 245 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor ai
42. Unit 220 240V 1 phase 50Hz 220 240 1 phase 50Hz Rating conditions Fan Motor 0 83 0 89 Fan Motor 0 62 0 65 Compressor 12 1 12 3 Complete Unit 13 55 13 84 0 18 0 21 0 13 0 15 2 5 2 64 2 81 3 Full load conditions 0 83 0 89 0 62 0 65 13 8 14 7 15 25 16 24 0 18 0 21 0 13 0 15 2 85 3 2 3 16 3 56 Starting amperes Indoor model AD425CW Outdoor model AER525SC L 3E 2 2 Indoor Unit 1 1 67 73 Outdoor Unit Fan Motor Fan Motor Compressor 70 76 Complete Unit 220 240V 1 phase 50Hz 380 415V 3 phase 50Hz A Rating conditions 0 83 0 89 0 62 0 65 4 25 4 21 4 69 4 66 0 18 0 21 0 13 0 15 2 4 2 43 2 71 2 79 Full load conditions 0 83 0 89 0 62 0 65 5 38 5 25 5 82 5 69 0 18 0 21 0 13 0 15 3 02 3 02 3 33 3 38 Starting amperes Indoor model AD436CW Outdoor model AER536SC L 3E 2 2 Indoor Unit 1 1 25 28 Outdoor Unit Performance at Rating conditions Fan Motor 220 240V 1 1 44 1 46 Fan Motor phase 50Hz 1 24 1 31 Compressor 380 415V 3 6 35 6 39 28 31 Complete Unit phase 50Hz 7 15 7 19 0 31 0 34 0 26 0 29 3 46 3 51 4 03 4 14 Full load conditions 1 44 1 46 1 24 1 31 7 2 7 24 8 05 8 07 0 31 0
43. X363GS Switch ass y SW X363GS Fan Number diameter Turbo 1 490 Fan motor Model Nominal output SFG6X 61A3P 60 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 6 530 Coil resistance BRN WHT 711 ORG YEL Ambient temperature 20 C WHT VLT 87 VLT VLT ORG 133 BLK Safety device Operating temperature 130 8 C 79 15 C Run capacitor 440 V 6 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 2 1 7 Face area 0 479 Panel Model No PNR X483GS Indicator Lamp ass y IND X483GS Dew proof heater 240 V 31 W Auto louver moter M2LB24ZA12 Auto louver motor Rated 240 VAC 3 W 2 5 rom Coil resistance at 25 C 15 620 0 15 96 E A Indoor Unit MODEL No AC425C Source 220 230 240 V 1 phase 50Hz Remote Controller Accessory REM CLR A Controller P C B Ass y CR X363GS Switch Ass y SW X363GS Fan Number diameter Centrifugal 4 130 Fan motor Model Nominal output SR4X 51A6P 50 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 172 Coil resistance Ambient temperature 20 C BRN WHT 111 0 YEL WHT VLT 35 4 BLK VLT ORG 134 BLK PNK Safe
44. connection 25A OD32 mm Rotary Sanyo 37 35 31 52 Munsell 10Y9 3 0 4 RAL 9010 GL Munsell 6 96 8 13 0 2 RAL 7035 GL Indoor Hi Me Lo Outdoor Hi Indoor Outdoor dB A dB A Color Approximate value REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment Limit of elevation difference between the two units Refrigerant tube Narrow tube outer diameter Wide tube Refrigerant amount at shipment DIMENSIONS amp WEIGHT 40 131 15 49 Outdoor unit is higher than indoor unit 40 131 Outdoor unit is lower than indoor unit 30 98 6 35 1 4 15 88 5 8 R407C 3 0 Indoor unit Include panel Outdoor unit Unit dimensions Height mm i 328 12 29 32 735 28 30 32 Width 860 33 27 32 940 37 Depth n mm in mm in 860 33 27 32 340 13 12 32 Package dimensions Body Panel Outdoor unit Height mm in 284 11 6 32 104 4 3 32 826 32 17 32 824 32 14 32 967 38 2 32 1 016 40 833 32 25 32 999 39 11 32 416 16 12 32 Net weight 30 66 Shipping weight 27 6 8 18 69 152 75 165 Shipping volume Cooling Rating conditions 0 195 6 0 9 0 1 8 5 DATA SUBJECT TO CHANGE WITHOUT NOTICE 0 349 12 3 Indoor air
45. control unit installed Change installation where it can detect room position of remote temperature properly control unit 0637_X_S NE 11 PCB for LOW AMBIENT models 002 Capacity Code LED1 LED2 1 2 3 25 type OFF OFF OFF 36 type ON OFF OFF 48 type ON ON OFF Meaning of LED indication POW LED1 LED2 D005 Cause of trouble Light Off Off Light Normal state Light Flash Light Light High pressure switch is activated Outdoor fan thermal protector activated Outdoor coil thermistor is open or short Light Off Light Light Low pressure switch is activated Light Off Light Off Negative phase Defective phase IV 13 4 2 Defective Sensor D a Indoor heat exchanger coil temp Sensor is defective Open No continuity in sensor Compressor and outdoor fan repeatedly go ON for 10 minutes and OFF for 6 minutes when sensor opens 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 Open No continuity in sensor Neither the outdoor fan nor compressor runs Short The outdoor fan and compressor do not stop Excessive cooling 4 3 Operation of Maj
46. relay HH62S Coil rated AC 240 V 50 Hz Coil resistance 15 5 20 Contact rated AC 250 V 10A Thermostat Coil sensor PBC 41E S26 Operating Temperature 29 0 ormore 29 0 or more 27 0 or more 18 0 ormore M 20 0 or more 12 0 or more 10 0 ormore L 8 0 or more 2 0 or more less than 10 0 LL less than 8 0 LL less than 2 0 zx l 40 1 4 Dimensional Data A Indoor Units 4 Way Air Discharge Semi concealed Type 25 Type 207 X view 6 75017 1507 255 820 Ceiling opening _ 238 11 30 590 Suspention bolt pitch 165 u 342 15 I EN Wh sl E ES JE 59 A 2 6 5 1 4 c i 5 ex 519 I i o i 13 210 Eq D Slo qii 9 8 aUi e x e Z PS es SS Se Sh SS S E l 41 k y Air intake grille Air outlet Refrigerant liquid line 9 52 In case of 25 type use the tube connector Refrigerant gas line g 12 7 12 type 0 15 88 18 25 ty
47. should be removed 9 250 132 1546 For 525 type 1 76 Electrical Wiring General Precautions on Wiring 1 2 Before wiring confirm the rated voltage of the unit as shown on its nameplate then carry out the wiring closely following the wiring diagram Provide a power outlet to be used exclusively for each unit and a power supply disconnect and cir cuit breaker for overcurrent protection should be provided in the exclusive line To prevent possible hazards due to insulation fai lure the unit must be grounded Each wiring connection must be done in accor dance with the wiring system diagram Wrong wiring may cause the unit to misoperate or beco me damaged Do not allow wiring to touch the refrigerant tubing compressor or any moving parts of the fan Unauthorized changes in the internal wiring can be very dangerous The manufacturer will accept no responsibility for any damage or misoperation that occurs as a result of such unauthorized changes 8 If the respective phases of the 3 phase power wiring are not connected correctly a reverse phase 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 mus
48. switch ACB 1TB07 Set pressure OFF kg cm 32 9 3 210 s Mpa ON kg cm 24 2 0 2 4 0 2 Mpa Low pressure switch LCB JA89 Set pressure OFF kg cm 0 5 0 3 0 05 0 03 Mpa ON kg cm 1 5 0 3 0 15 0 03 Mpa Fan Propeller Number diameter Fan motor Model KFC6T 91C5P x 2 Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med Low 6 772 376 252 Nominal output 70W x2 Coil resistance BRN WHT 127 3 VLT YEL Ambient temperature 20 C 56 7 YEL PNK Safety device Internal type Operating temperature 130 8 79 15 Run capacitor 450 V 6 uF x2 Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area 1 08 l 34 1 2 Major Component Specifications B Outdoor Unit Source AER536SCL3E 5485 380 400 415 V 3 phase 50 Hz Controller P C B Ass y CR CR254GL8 Microprocessor Control circuit fuse 250 V 3 15 A Compressor Scroll Hermetic Model number C SBN303H8A C SBN373H8A Source 380 400 415 V 3 phase 50 Hz Nominal output 2 400 3 700 Compressor oil 1 700 1 700 Coil resistance Ambient temperature 25 C 3 177 R S 3 177 T 2 966 5 R T 2 806 R S 2 806 2 651 Crank case heater 240 V 32
49. 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 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 1 SPECIFICATIONS 1 1 Unit Specifications DT l 2 4 Way Air Discharge Semi concealed l 2 Ceiling Mounted l 9 Concealed Duct 1 16 1 2 Major Component Specifications 1 30 A lmdoor NIMES DR THRONE 1 30 B Outdoor UNIS uiis ee po let tenia 1 41 1 3 Other Component Specifications 1 46 4 Way A
50. 16 12 32 37 40 22 24 Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB Hes MODEL No 448 AER548SCE POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 12 6 BTU h 43 000 Air circulation Hi Me Lo m h 1 920 1 680 1 320 Moisture removal High Liters h 5 9 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 3 8 35 Max running amperes 9 48 Power input 4 64 Power factor 80 C O P 2 72 Max starting amperes 56 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS 5PS3EWL Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Scroll Sanyo Operation sound Indoor Hi Me Lo 44 41 37 Outdoor Hi 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
51. 2 Outdoor unit Height Width Depth mm mm Package dimensions Height mm in 316 12 14 32 104 4 3 32 1 326 52 7 32 1 114 43 27 32 1 257 49 16 32 1 016 40 860 33 27 32 999 39 11 32 416 16 12 32 Net weight Shipping weight Shipping volume 38 84 gau 71 0 303 10 7 106 234 10 22 113 249 0 131 4 6 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 7 AS448C AER548SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity 12 6 43 000 1 920 1 680 1 320 6 3 MODEL No kW BTU h m h Liters h Air circulation Hi Me Lo Moisture removal High ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor C O P Max starting amperes FEATURES Controls Thermostat control Timer Fan speeds Indoor Outdoor Airflow direction Indoor Air filter Remote controller Option Refrigerant control Drain pump Drain connection Compressor Operation sound 400 342 456 8 35 9 47 4 64 80 2 72 56
52. 25 type 998 962 6 180 5x180P 900 120 245 245x1 250 16 36 48 type 1 478 1 442 7 230 6 x 230P 1 380 120 490 245 2 240 20 1 46 B Outdoor Units AER525SCE AER525SC3E AER525SCL3E 47 Dimension mm CD Hole for anchor bolt 4 213 Refrigerant tube joint narrow tube Flare connection 1 4 in 6 35 mm 3 Refrigerant tube joint wide tube Flare connection 5 8 in 15 88 mm 4 Refrigerant tubing inlet Power supply inlet B Outdoor Units AER536SC3E AER536SCL3E 5485 AER548SCL3E a lt x st 9 Dimension mm CD Hole for anchor bolt 4 013 2 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 l 48 1 5 Refrigerant Flow Diagram Outdoor Units AER525SCE Indoo
53. 30 ai V Bet d DIS 4 I 260 24 e 9 PERSEO Air outlet ale S duct flange Grio ng r1 fat RI Y e 5 Y A A 1 q Ne Y TT E 1 N 2 if 8 s 8 8 9 D 5 o 3152071 7 e D e lt BR 312 N x if LO 1 Y 1 Y i n e i i 580 1 25 Suspension bolt pitch 90 l 45 CS Refrigerant liquid line 29 52 narrow tube Refrigerant gas line 19 05 wide tube Upper drain port O D 32 mm Bottom drain port O D 26 mm Suspension lug Power supply outlet 2 030 Fresh air intake port 2150 Flange for the flexible air outlet duct 0200 8 Tube cover Electrical component box Flange for the air intake duct Option or field supply 1732 U 1 B Flange for the air intake duct Field supply For Concealed Duct Type C 93 3 alg aL A LO N 210 25 305 E 25 P 260 O D 23 10 Pon gt o e e X wa a Y 2 lt m 8 45 4200 45 1766 U I mm A B C D E F G H 9 12 18 type 698 662 4 200 3 200 600 170 340 12
54. 34 0 26 0 29 4 28 4 27 4 85 4 9 Starting amperes Indoor model AD448CW Outdoor model AER548SC L 3E 2 2 Indoor Unit 3 3 42 45 Outdoor Unit Performance at Rating conditions Fan Motor 220 240V 1 1 42 1 44 Fan Motor phase 50Hz 1 24 1 31 Compressor 380 415V 3 7 5 7 3 47 50 Complete Unit phase 50Hz 8 29 8 1 0 31 0 34 0 26 0 29 4 05 4 06 4 62 4 69 Full load conditions 1 42 1 44 1 24 1 31 8 8 8 6 9 61 9 42 0 31 0 34 0 26 0 29 4 92 4 94 5 49 5 57 Starting amperes Rating Conditions 2 2 Indoor Air Temperature 3 3 48 53 27 C DB 19 C WB 53 58 Outdoor Air Temperature 35 C DB Indoor Air Temperature 35 C DB 25 C WB Outdoor Air Temperature 50 C DB Rating Conditions spes 2 PROCESSES AND FUNCTIONS 2 2 1 Room Temperature Control 2 2 Freeze Prevention 2 3 Outdoor Fan Control sid 2 1 Room Temperature Control The unit adjusts the room temperature by turning the outdoor unit s compressor ON and OFF This process is controlled by the thermostat located in the remote control unit The figures on this and the next page show how each part of the system performs when the room temperature changes and the thermostat activates the compressor to start up thermo ON or shut down thermo OFF Fig 2 1 shows the processes involved in the
55. AC 230 V 12 W Float switch FS 0218 103 DC 12V 25W Rated Contact rated 1 38 1 3 Other Component Specifications B Outdoor Unit MODEL No AER525SCE Compressor Motor Mgnetic Contactor FC 157607 Coil rated AC 220 240 V 50 Hz Coil resistance at 20 C 828 15 Contact rated AC 440 V 13A Auxiliary relay HH62S Coil rated AC 240 V 50 Hz Coil resistance at 20 C 17 2 Contact rated AC 220 V 5A Thermostat Coil sensor YTB S377 Operating Temperature 27 5 1 5 OFF High 431 5 25 5 95 Low Contact rated AC 250 1 1 39 B Outdoor Unit MODEL No AER525SC3E 5365 5485 Compressor Motor Mgnetic Contactor FW 1SZ607A Coil rated AC 220 240 V 50 Hz Coil resistance at 20 C 828 15 Contact rated AC 440 V 13A Auxiliary relay RDR S400 Coil rated AC 240 V 50 Hz Coil resistance at 20 C 17 2 Contact rated AC 220 V 5A Thermostat Coil sensor YTB S377 Operating Temperature 27 5 1 5 OFF High 25 5 ye ON Low Contact rated 250 V 1A MODEL No AER525SCL3E AER536SCL3E AER548SCL3E Compressor Motor Magnetic Contactor FW 1SZ607A Coil rated AC 220 240 V 50 Hz Coil resistance at 20 C 828 at 20 C Contact rated AC 440 V 13A Thermal Relay Contact rated AC 220 V 2 25 A Rated ampere 90 120 6 A 11096 10 A 90 10 A 11096 Auxiliary
56. B 1762_U_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 structure of the building the background noise and other factors 2 The test results were obtained from an anechoic room NOTE To evaluate Noise level the maximum number of the measured OCTAVE BAND SOUND PRESSURE LEVEL is used Read the number on each BAND CENTER FREQUENCIES horizontal axis ranging from 63 Hz to 8000 Hz and select the maximum value vertical axis among them 68 Outdoor Units MODEL AER525SCE AER525SC L 3E MODEL AER536SC L 3E SOUND LEVEL 52 dB A NC 44 SOUND LEVEL 53 dB A NC 45 CONDITION Distance 1m Height 1m CONDITION Distance 1m Height 1m SOURCE 220 230 240 V 1 Phase 50 Hz SOURCE 380 400 415 V 3 Phase 50 Hz 380 400 415V 3 Phase 50 Hz 90 90 80 80 m i gt 70 NC 79 a 70 2 0006 NC 60 Ee a 2 B so 5 50 NC s0 m ag E 23 2 40 zs 8 NC 40 Oo os 2S as Ed s NC za 50 30 o m 98 8 APPROXIMATE lt 20 20 THRESHOLD OF 5 THRESHOLD OF Ca HEARING FOR C 20 88 coNTINUOUS CONTINUOUS NOISE NOISE 10 10 60 125 250 500 1000 2000 4000 8000 63 125 250 500 1000 2000 4000 8000 BANDCAENTERFREQUENCIES BAND CENTER FREQUENCIES Hz 0597_C_S MODEL
57. GERANT TUBING Limit of tubing length Limit of tubing length at shipment Limit of elevation difference between the two units Refrigerant tube Narrow tube outer diameter Wide tube Refrigerant amount at shipment DIMENSIONS amp WEIGHT Unit dimensions 50 164 15 49 Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 9 52 3 8 19 05 3 4 R407C 4 0 Indoor unit Include panel in 358 14 3 32 in 1 150 45 9 32 mm in 860 33 27 32 Body Panel Outdoor unit 1 235 48 20 32 940 37 340 13 12 32 Outdoor unit Height Width Depth mm mm Package dimensions Height mm in 316 12 14 32 104 4 3 32 1 326 52 7 32 1 114 43 27 32 1 257 49 16 32 1 016 40 860 33 27 32 999 39 11 32 416 16 12 32 Net weight Shipping weight Shipping volume 38 84 gau 71 0 303 10 7 104 229 10 22 111 245 0 131 4 6 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 5 AS436C AER536SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity 10 6 36 000 1 920
58. Limit of tubing length 50 164 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 9 52 3 8 outer diameter Wide tube in 19 05 3 4 Refrigerant amount at shipment R407C 4 3 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions i in 240 9 14 32 1 235 48 20 32 i 1 575 62 37 670 26 12 32 340 13 12 32 Package dimensions i in 317 12 15 32 1 326 52 7 32 i 1 678 66 2 32 40 23 24 788 31 2 32 16 12 32 2 416 Net weight 8 Shipping weight 4 97 113 Shipping volume 0 lt 14 8 0 56 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 84 106 7 1 14 MODEL No AC448C EE 5485 POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 12 6 BTU h 43 000 Air circulation Hi Me Lo m h 1 920 1 680 1 320 Moisture removal High Liters h 5 9 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 8 35
59. Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length 40 131 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 6 35 1 4 outer diameter Wide tube in 15 88 5 8 Refrigerant amount at shipment R407C 2 4 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions i in 190 7 15 32 735 28 30 32 1 300 51 6 32 670 26 12 32 340 Package dimensions i in 266 10 15 32 826 32 17 32 37 40 7 13 12 32 31 2 32 57 71 10 4 iss 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE ane 16 12 32 148 Net weight Shipping weight Shipping volume 0 A 1 403 55 8 32 6 2 Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB MODEL No AC425C 2 AER525SC3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air cir
60. N OFF ON COMPRESSOR ON OFF ON OFF ON OUTDOOR FAN SET SPEED INDOOR FAN 0608_X_S Fig 2 2 2 3 Outdoor Fan Control EL Type After the compressor is switched from off to on the 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 25 Type 36 Type 48 Type Fan speed Ti Fan speed Ti Fan speed Ti H 29 C or more H H 29 C or more H H 27 C or more M 18 C or more M M 20 C or more M M 12 C or more L 10 C or more L L 8 C or more L L 29 or more L Shut off valve less than 10 C M Stop less than 8 C M Stop less than 2 C The fan speed is controlled in the following way based on the coil temperature Tc when compressor runs continuously at ON 11 3 SPW CR254EL8 type When Tc reaches 60 C or more the current fan speed is increased by one step When Tc reaches 40 C or less the current fan speed is decreased by one step SPW CR364EL8 type Te C di 35 H H M M 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 1 4 SPW CR484EL8 ty
61. Operation Indoor unit and Remote Control unit Oudoor unit Indicator lamps Fan Fan Compressor Function Tene Cool Timer 2 Sweep Thermo ON O Manual Thermo OFF Night Thermo ON O O po setback Thermo OFF O O O Timer ON Timer set OFF Timer O O Freeze prevention Q O O O Fan O O Sweep 081 O i Flap O Sip Cool Or Or Fan NOTE Refer to Cooling Mode Ne C Check Operation selector switch in the indoor unit In case of wireless remote control unit GS type IND LAMP Ass y or P C B p Ass y in the indoor unit is defective Has Operation selector Switch been set to ON position YES Set Operation selector switch to ON Neither unit runs Switch Ass y or P C B Ass y in the indoor unit is defective D Check compressor motor protectors a High pressure switch 63PH Disconnect the socket from the 2P WHT connector Check high pressus switch Check the continuity between the No 1 and No 2 poles Is high pressure switch actuated 63PH of the socket Is outdoor heat exchanger coil dirty or are there YES Clean heat exchanger coil obstruction near air suction or remove obstructions inlet of outdoor unit Check if outdoor fan rotates Refer to Only outdoor fan does not run b Compressor motor overcurrent relay 51C Check compressor mot
62. Relay Thermistor Indoor Coil Room Thermistor S 854 2 5268 898 00 0 U253GN56 1 7 3 2 Outdoor Units D 5255 Electric Wiring Diagram Connector 2P WHT s ANd jt ANd AYD AHO AHO LHM LHM LIA LIA TAA 8 7 6 5 4 3 8 7 6 5 4 312 11 5 LHM d8 1012euu0 Terminal plate 1 oL 1 A 022 91 ZHOS 0 2 022 91 ZHOS A ddng T3A NHO i Earth Terminal THA NHO Qr uuo Earth Terminal 0 5269 069 00 2 W854 11 8 3 2 Outdoor Units D AER525SCE Schematic Diagram Symbols Description Compressor motor Fan Motor Outdoor Fan Motor Thermal Protector Compressor Motor Magnetic Contactor High Pressure Switch Fan Speedcontrol Thermostat Capacitor Auxiliary Relay Connector Terminal Plate 854 2 5269 069 00 0 1 9 AER525SC3E Electric Wiring Diagram 63PH S ANd 1 1
63. TECHNICAL DATA amp SERVICE MANUAL AS 425 C AER 525 SCE AC 425 C AS 425 C AER 525 SC3E AC 425 C AS 425 C AER 525 SCL3E AC 425 C AS 436 C AER 536 SC3E AC 436 C AS 436 C AER 536 SCL3E AC 436 C AS 448 C AER 548 SC3E AC 448 C AS 448 C AER 548 SCL3E AC 448 C AD 425 CW AER 525 SCE AD 425 CW AER 525 SC3E AD 425 CW AER 525 SCL3E AD 436 CW AER 536 SC3E AD 436 CW AER 536 SCL3E AD 448 CW AER 548 SC3E AD 448 CW AER 548 SCL3E SPLIT SYSTEM AIR CONDITIONER Indoor Unit 525 SCE 525 SC3E 525 SCL3E 536 SC3E 536 SCL3E 548 SC3E 548 SCL3E Outdoor Unit AS 436 C AS 425 C AC 425 C AS 448 C AC 436 C AC 448 C AD 425 CW AD 436 CW AD 448 CW 0 8180 229 0 AER 525 SCE AER 525 SC3E AER 525 SCL3E AER 536 SC3E AER 548 SC3E AER 536 SCL3E AER 548 SCL3E 07 02 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
64. TURES Controls Thermostat control Timer 400 342 456 8 35 9 47 4 64 80 2 72 56 Microprocessor ON OFF 12 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS 31G W Wireless RCS 5PS3E Refrigerant control Capillary tube Drain pump Drain connection Compressor Operation sound Max head 25 cm above drain connection 25A OD32 mm Scroll Sanyo 43 40 36 55 Munsell 10Y9 3 0 4 RAL 9010 GL Munsell 6 96 8 13 0 2 RAL 7035 01 Indoor Hi Me Lo Outdoor Hi Indoor Outdoor dB A dB A Color Approximate value REFRIGERANT TUBING Limit of tubing length Limit of tubing length at shipment Limit of elevation difference between the two units Refrigerant tube Narrow tube outer diameter Wide tube Refrigerant amount at shipment DIMENSIONS amp WEIGHT Unit dimensions 50 164 15 49 Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 9 52 3 8 19 05 3 4 R407C 4 3 Indoor unit Include panel in 358 14 3 32 in 1 150 45 9 32 mm in 860 33 27 32 Body Panel Outdoor unit 1 235 48 20 32 940 37 340 13 12 3
65. URE LEVEL dB 0 dB 1 8 Noise Criterion Curves 4 Way Air Discharge Semi concealed Type MODEL MODEL AS436C AS448C SOUND LEVEL AS425C HIGH 37 dB A NC 30 LOW 31 dB A NC 22 SOUND LEVEL HIGH 43 dB A NC 36 LOW 36 dB A NC 24 CONDITION Center Under the unit 1 5 m CONDITION Center Under the unit 1 5 m SOURCE 220 230 240V 1Phase 50Hz SOURCE 220 230 240V 1Phase 50Hz 60 60 50 40 30 0 0002 ubar NOISE 63 APPROXIMATE THRESHOLD OFT 20 HEARING FOR CONTINUOUS 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz REMARKS 0274 X I OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 ubar 50 30 APPROXIMATE THRESHOLD 20 HEARING FOR CONTINUOUS NOISE 10 63 2 The test results were obtained from an anechoic room NOTE 125 250 500 BAND CENTER FREQUENCIES Hz 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 structure of the building the background noise and other factors 1000 2000 4000 8000 0275 evaluate Noise level the maximum number of the measured OCTAVE BAND SOUND PRESSURE LEVEL is used Read the number on each BAND CENTER FREQUENCIES horizonta
66. W 240 V 32 W Safety devices Overload relay models Internal type Operating temperature 155 5 145 5 61 9 61 9 Refrigerant amount at shipment kg R407C 4 0 R407C 4 3 High pressure switch ACB 1TB07 Set pressure OFF kg cm 321 32701 Mpa kg cm 24 2 0 2 4 0 2 Mpa Low pressure switch LCB JA89 Set pressure OFF kg cm 0 5 0 3 0 05 0 03 Mpa kg cm 1 5 0 3 0 15 0 03 Mpa Fan Propeller Number diameter Fan motor Model KFC6T 91C5P x2 Source 220 230 240 V 1 phase 50 Hz No of pole rpm 230V High Med Low 6 772 376 252 Nominal output 70Wx2 Coil resistance Ambient temperature 20 C BRN WHT 127 3 VLT YEL WHT VLT 567 YEL PNK Safety device Internal type Operating temperature 130 8 79 15 Run capacitor 450 V 6 uF x 2 Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area 1 35 1 08 1 3 Other Component Specifications A Indoor Unit AS425C AS436C AS448C Power Transformer ATR 175 Rated Primary AC 230 V 50 Hz Secondary 10 6 V 0 93 A Capacity 9 85 VAC Coil resistance Q WHT WHT 96 5 BRN BRN 0 8 at 20 C Thermal cut off te
67. amber field supply to direct exhaust from the fan upward if it is difficult to provide a space of min 50 cm between the air discharge outlet and a obstacle the air discharge outlet faces a walkway where it may blow warm air onto passersby Refer to Fig right Wind Shield for low ambient models It is recommended to use wind shields for models with L inside model numbers Low ambient models are designed to use in low outdoor temperature condi tions General When the outdoor unit is installed in a position ex posed to strong wind like seasonal winds with low air temperature in winter wind shields 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 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 back of the outdoor as required on the upwind side only or on both sides oe 567 300 450 1545 C I For 536 548 type Bottom pla te Air discharge Wind shield air discharge side Wind shield air intake side Back Wind gt 2 0555 Recommended outer dimensions of wind shield field supply In snow areas bottom plate
68. an speeds Indoor Outdoor 3 and Automatic control 3 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS 5PS3EWL Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Scroll Sanyo Operation sound Indoor Hi Me Lo 42 40 35 Outdoor Hi 53 Color Approximate value Munsell 10Y9 3 0 4 RAL 9010 GL Outdoor Munsell 6 96Y8 13 0 2 RAL 7035 GL REFRIGERANT TUBING Limit of tubing length 50 164 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 9 52 3 8 outer diameter Wide tube in 19 05 3 4 Refrigerant amount at shipment R407C 4 0 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions i in 240 9 14 32 1 235 48 20 32 1 575 62 670 26 12 32 340 1 326 52 7 32 Package dimensions i in 317 12 15 32 i 1 678 66 2 32 ze 31 2 32 Net weight 8 84 104 9 Shipping weight 4 97 111 5 Shipping volume 0 L 14 8 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE 13 12 32 416
69. and louver motor do not run P C B Ass y is defective 5 Some parts fail to operate 1 The indoor fan does not run Check fan casing for foreign matter Remove foreign Fan cannot on inside matter or repair Check fan rotation be rotated Rotate fan gently once or twice by hand Fan motor burnout or foreign matter in bearing Repair or replace Check resistance of fan motor winding OK Check fan motor capacitor OK Relay RY1 or RY2 on P C B Ass y is defective 2 Louver motor does not run Check resistance of louver motor winding OK P C B Ass y or remote control unit is defective IV 9 6 Outdoor fan does not run Check fan casing for foreign matter Remove foreign Fan cannot on the inside matter or repair Check fan rotation be rotated Rotate fan gently once or twice by hand Fan motor burnout or foreign matter Repair or replace in bearing Check resistance of fan motor winding OK Check fan motor capacitor Check continuity between terminals on compressor motor magnetic contactor 7 Outdoor fan speed is not switched from High to Low even when the outdoor temperature falls below 25 5 C Check thermostat 23S Check coil resistance of auxiliary relay 1Y 0634 X S 8 Compressor does not run Check compressor motor capacitor OK NG Refer to 4 4
70. ant amount at shipment R407C 2 4 DIMENSIONS amp WEIGHT Indoor unit Include panel Outdoor unit Unit dimensions Height mm in 328 12 29 32 735 28 30 32 Width mm in 860 33 27 32 940 37 Depth mm in 860 33 27 32 340 13 12 32 Package dimensions Body Panel Outdoor unit Height mm 284 11 6 32 104 4 3 32 826 32 17 32 824 32 14 32 967 38 2 32 1 016 40 833 32 25 32 999 39 11 32 416 16 12 32 Net weight 30 66 148 Shipping weight 27 6 161 67 0 8 18 73 Shipping volume 0 195 6 9 0 1 3 5 0 349 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 2 MODEL No AS 425C AER525SC3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 140 1 020 840 Moisture removal High Liters h 3 6 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 4 78 Max running amperes 5 68 Power input 2 79 Power factor 84 C O P 2 62 Max starting amperes 29 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 12 hours ON OFF 24 hours amp Pro
71. bient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB 1 57 1 7 Cooling Capacity Indoor Unit AC436C Outdoor Unit AER536SC L 3E RATING CAPACITY 10 6 kW AIR FLOW 1800 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C it 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI lt Input kW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB l 58 1 7 Cooling Capacity Indoor Unit AC448C Outdoor Unit AER548SC L 3E RATING CAPACITY 12 6 kW AIR FLOW RATE 1920 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW lt Input kW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor U
72. ceiling is strong enough to 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 mounting the remote control unit about 1 m off the floor in an area that is not in direct sunlight nor in the flow of cool air from the indoor unit NOTE Air delivery will be degraded if the distance from the fl oor to the ceiling is greater than 3 m l 74 Outdoor Unit AVOID e heat sources exhaust fans etc e damp humid or uneven locations DO e choose place as cool as possible e choose a place that is well ventilated e allow enough room around the unit for air intake exhaust and possible maintenance e provide a solid base about 15 cm above ground level to reduce humidity and possible water dam age in unit and decrease service life e use lag bolts or equal to bolt down unit reducing vibration and noise In case of multiple installations Hot air Out door unit Exhaust fan Z EN Heat source Dimension 0591 C I Model Min cm 25 type 10 36 48 type 20 Obstacle above s MW E
73. ctrical component Fan motor socket box and remove the cover plate At shipment Connected booster cable Fig 1 1 1743 M I 2 Disconnect the fan motor sockets in the box 3 Take out the booster cable sockets at both ends clamped in the box 4 Securely connect the booster cable sockets between the disconnected fan motor sockets in step 2 as shown the Fig 1 1 5 Place the cable neatly in the box and reinstall the cover plate Indoor Fan Performance AD425CW AD436CW AD448CW d 9 S S E 115 1 150 E 150 2 mrs 5 He g s LY g 5 s ales E E s E 3 A E 2 ie 2 S HT 2 9 100 5 10 100 110 100 Ky HT 110 a lt X 5 o S HT 5 8 s o E H 5 H H 5 5 50 5 50 45 ui 50 5 ui M L L 0 0 0 0 0 0 10 20 20 30 20 30 40 Air Flow Volume m3 minute Air Flow Volume m minute Air Flow Volume m minute 1746 U 1 1747 U 1 1748 U I NOTE HT Using the booster cable H Atshipment Fig 1 2 How to read the diagram The vertical axis is the external static pressure Pa while the horizontal axis represents the AIR FLOW m minute The characteristic curves for HT H M and L fan speed control are show
74. culation Hi Me Lo m h 1 080 960 840 Moisture removal High Liters h 3 5 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 4 72 Max running amperes 5 63 Power input 2 75 Power factor 84 C O P i 2 65 Max starting amperes 29 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS 5PS3EWL Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Rotary Sanyo Operation sound Indoor Hi Me Lo 39 37 34 Outdoor Hi 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 40 131 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 6 35 1 4 outer diameter Wide tube in 15 88 5 8 Refrigerant amount at shipment R407C 2 4 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dim
75. ectrical 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 Refer to the Electrical Wiring Diagram NOTE If the probe does not fit into the hole because the hole is too small use a probe with a smaller pin Earthed wire Insulation tester 0638 X S Terminal plate Fig 4 2 Clip Copper Insulation tube or tester metallic part 0639 X S Fig 4 3 Probe Clip if f 55 0 tube or metallic part 77 Insulation tester 0640_X_S Fig 4 4 From fan motor compressor and other parts Metallic part Clip Insulation tester 0641_X_S Fig 4 5 2 Checking the Protective Devices Disconnect the connector consisting of P plug and S socket to check the protective device Then check the continuity of the plug s and or socket s terminal as in Fig 4 6 Normality of the protective device can be judged by the following table The Protective Device is proved normal if there is a continuity between terminals Socket Multimeter Fig 4 6 0642 X S D Indoor fan motor thermal protector 49Fl Indoor unit Disconnect the connector which leads t
76. en the indoor unit and outdoor unit Single phase outdoor unit 3 phase outdoor unit Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit B B 9 A 9 0 2 2 2 2 4 4 Power supply 4 4 A Power supply A Inter Unit 0 T L Inter Unit C 1 Wiring Wiring Line voltage N eoo Line voltage 2 eo Tol M Nig etfs po me 0 5 0 L3 e Ground N N alie se Ground 3 Check the power supply Fig 4 1 Q Check that the voltage is within the specified range 10 of the rating Q Check that power is supplied EEE 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 4 Check the lead wires and connectors in indoor and outdoor units Q Check that the sheaths of the lead wires are not damaged Q Check that the lead wires are firmly connected to the terminal plate Q Check that the wiring has been performed correctly 5 Reference Condition of general cooling operation Thermo ON Indoor fan speed HIGH V 2 2 Air conditioner does not operate D Circuit breaker trips or fuse blows a When the circuit breaker is set to ON it is soon tripped There may be a ground fault Check the insulation resistance If the resistance value is 1M or less the i
77. ength at shipment 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 9 52 3 8 outer diameter Wide tube 19 05 3 4 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 4 0 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 1 235 48 20 32 1 480 58 9 32 13 12 32 Package dimensions 358 14 3 32 1 326 52 7 32 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 104 104 229 Shipping weight 1 1 671 65 25 32 7 37 40 22 115 111 245 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 20 AD448CW AER548SC3E POWER SOURCE 380 400 415 V 3N 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 12 6 BTU h 43 000 Air circulation Hi Me Lo m h 1 980 1 800 1 500 Moisture removal High Liters h 5 4 External static pressure High ELECTRICAL RATINGS mmAq Pa 78 8 0 at shipment 113 11 5 using t
78. ensions i in 190 7 15 32 735 28 30 32 i 1 300 51 6 32 37 670 26 12 32 340 13 12 32 Package dimensions i in 266 10 15 32 826 32 17 32 1 403 55 8 32 40 9 5 789 31 2 32 16 12 32 6 2 Net weight Shipping weight 57 152 71 10 4 a 12 3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 DB 19 C WB Outdoor air temperature 35 DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB Shipping volume 5 0 7 1 10 MODEL No AC425C EE AER525SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 080 960 840 Moisture removal High Liters h 3 5 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 4 72 Max running amperes 5 63 Power input 2 75 Power factor 84 C O P 2 65 Max starting amperes 29 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 3 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS
79. flection of the pointer and set the resistance measuring range of the multimeter to the maximum value The capacitor is acceptable if the pointer defects significantly and then gradually returns to its original position Multimeter NOTE The range of deflection and deflection time differ according to the capacitance of the capacitor Fan motor Capacitor 0643 X S Fig 4 7 IV 17 Resistance 5 Fuse on indoor P C B Ass y Remove the P C B Ass y from the electrical component box Then pull out the fuse from the P C B Ass y Fig 4 8 Fuses Indoor P C B Ass y 0644 X S Fig 4 8 The check for continuity of the fuse by using the multimeter Fig 4 9 Having continuity is acceptable Fuse 0645 X S Fig 4 9 4 Thermistor Characteristic Curve D Room temp sensor D sensor KTEC 35 PBC 41E 40 35 10 30 9 25 8 2 lt 7 51720 S 15 2 8 10 4 3 5 2 0 20 15 10 5 0 5 10 15 20 1 Temperature C 0375_M_I 10 15 20 25 30 35 40 Temperature C 0374_M_I IV 18
80. ge Temperature Indoor aire intake temp Outdoor air intake temp Maximum 35 C DB 23 C WB 43 C DB Minimum 19 C DB 14 C WB 15 C DB EL Type 19 C DB E Type Cooling l 51 1 7 Cooling Capacity Indoor Unit AS425C Outdoor Unit AER525SCE RATING CAPACITY 7 3 kW AIR FLOW RATE 1140 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C it 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI lt Input kW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C 19 C WB l 52 1 7 Cooling Capacity Indoor Unit AS425C Outdoor Unit AER525SC L 3E RATING CAPACITY 7 3 kW AIR FLOW RATE 1140 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C it 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI
81. gram Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS 81G W Wireless RCS 5PS3E Refrigerant control Capillary tube Drain pump Drain connection Max head 25 cm above drain connection 25A OD32 mm Compressor Rotary Sanyo Operation sound Indoor HiMe Lo 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 96 8 13 0 2 RAL 7035 01 REFRIGERANT TUBING Limit of tubing length 40 131 Limit of tubing length at shipment ft 15 49 Limit of elevation difference 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 in 6 35 1 4 outer diameter Wide tube in 15 88 5 8 Refrigerant amount at shipment R407C 2 4 DIMENSIONS amp WEIGHT Indoor unit Include panel Outdoor unit Unit dimensions Height in 328 12 29 32 735 28 30 32 Width in 860 33 27 32 940 37 Depth in 860 33 27 32 340 13 12 32 Package dimensions Panel Outdoor unit Height mm in 284 11 6 32 104 4 3 32 826 32 17 32 824 32 14 32 967 38 2 32 1 016 40 833 32 25 32 999 39 11 32 416 16
82. gt LLLLLLLLLL1 4 Min Min y 2m 2m L Air L V dis Min 50 ig A charge E in 50 cm NONSE 044 A Ground W Unit spacing if air discharge chamber is not used W Unit spacing when air discharge chamber is used Min 1m Min 1 5m Min 1m Min 1m 20 Min 1m z Min 35cm Air Min 30cm i discharge chamber i Y 4 Min 3 5m 1 5 Min 30cm Min 20cm Min 30cm scharge side use an air discharge chamber You can install any number of units side by side f you would like to make the separation smaller on the air di Only up to 3 units can be installed side by side under the above conditions The next group must be spaced at least 30 cm away from the first group e 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 1 75 Air discharge Anchor bolts Air in 57 4 pieces 0424 C I Air in Min 15cm 0425 C I Shield for Upward Exhaust Discharge It is necessary for you to install an air discharge ch
83. he booster cable Voltage rating 400 Available voltage range 342 456 Running amperes 8 49 Max running amperes 9 62 Power input 4 76 Power factor 81 C O P 2 65 Max starting amperes FEATURES 56 Controls Thermostat control Microprocessor Timer ON OFF 12 hours Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 40 37 33 44 40 37 using the booster cable 55 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96Y8 13 0 2 RAL 7035 GL Limit of tubing length 50 164 Limit of tubing length at shipment 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 50 164 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 9 52 3 8 outer diameter Wide tube 19 05 3 4 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 4 3 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 1 235 48 20 32 1 480
84. igh pressure switch ACB 1TB07 Set pressure OFF kg cm 3240 32 9 MPa ON kg cm 24 2 0 2 4 0 2 MPa Fan Propeller Number diameter Fan motor Model KFC6T 91C5P Source 220 230 240 1 phase 50 Hz No of pole rpm 230V High Med Low 6 772 376 252 Nominal output 70 Coil resistance WHT BRN 127 3 VLT YEL 15 0 Ambient temperature 20 C WHT VLT 56 7 YEL PNK 72 Safety device Internal type Operating temperature 130 8 79 15 Run capacitor 450 V 6 uF Heat exchange Coil Rows fin pitch Aluminium plate fin Copper tube Face area 1 32 1 2 Major Component Specifications B Outdoor Unit MODEL No Source AER525SCL3E 380 400 415 V 3 phase 50 Hz Controller P C B Ass y CR CR254GL8 Microprocessor Control circuit fuse 250 V 3 15 A Compressor Rotary Hermetic Model number C RN223H8D Source 380 400 415 V 3 phase 50 Hz Nominal output 2400 Compressor oil 1350 Coil resistance Ambient temperature 25 C D 577 R S 5 66 5 38 Safety devices Overload relay models Internal type Operating temperature C 120 5 C 98 11 Crank case heater 240V 25W Refrigerant amount at shipment kg R407C 3 0 High pressure sw
85. ing weight 32 71 10 22 106 234 113 249 Shipping volume Cooling Rating conditions 0 303 10 7 0 131 4 6 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 8 1 1 Unit Specifications Ceiling Mounted Type MODEL No 425 po AER525SCE POWER SOURCE 220 230 240 V 1 phase 50 Hz PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 080 960 840 Moisture removal High Liters h 3 5 ELECTRICAL RATINGS Voltage rating 230 Available voltage range 198 264 Running amperes 13 3 running amperes 14 5 Power input 2 83 Power factor 93 C O P 2 58 Max starting amperes 72 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS 5PS3E Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Rotary Sanyo Operation sound Indoor Hi Me Lo 39 37 34 Outdoor Hi 52 Color Approximate value
86. ir Discharge Semi concealed 1 46 Ceiling Mounted Type ene i eae Pe pt dues 1 47 Concealed D t eave 1 48 uoi aqa 1 50 1 4 Dimensional DA ete Sata Sah n eod D deuda 52 Indoor MONS ae ott EM 1 52 4 Way Air Discharge Semi concealed 1 53 Ceiling Mounted TYPE 1 54 Concealed Duct 1 55 B OHIdOOE DIIS rer ae ee earn ena crys Meera tra 1 59 1 5 Refrigerant Flow l 61 1 6 Operating Range utu ER dosis 1 63 1 7 Cooling Capacity l 64 1 8 Noise Criterion 2 10440000000 nnne nennen 1 82 1 9 Indoor Fan Pertortrial GO cuc edrat endo Era Enc a occu tt 1 87 1 10 Air throw Distance C TIBET oo 1 89 1 11 Installation Instructions 2242 0 000 0 1 91 Tubing Length LES 1 91 Selecting the Installation Site 1 92 Electrical Wiring MUTO 1 95 Electrical Characteristics iere E oponente veelal 1 97 1 1 1 Unit Specifications 4 Way Air Discharge Semi concealed Type MODEL No AS425C Pp AER525SCE POWER SOURCE 220 230 240 V 1 phase 50 Hz
87. itch ACB 1TB07 Set pressure OFF kg cm 32 9 9 2 9 je MPa ON kg cm 24 2 0 2 4 0 2 MPa Fan Propeller Number diameter 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 70 Coil resistance Ambient temperature 20 C WHT BRN WHT VLT VLT YEL YEL PNK 1273 56 7 Safety device Internal type Operating temperature 130 8 79 15 Run capacitor 450 V 6 uF Heat exchange Coil Aluminium plate fin Copper tube Rows fin pitch Face area 1 33 1 2 Major Component Specifications B Outdoor Unit Source 380 400 415 V 3 phase 50 Hz Controller P C B Ass y Control circuit fuse Compressor Scroll Hermetic Model number C SBN303H8A C SBN373H8A Source 380 400 415 V 3 phase 50 Hz Nominal output 2 400 3 700 Compressor oil 1 700 1 700 Coil resistance 3 177 R S 3 177 T Ambient temperature 25 C 2 966 5 R 2 806 R S 2 806 T 2 651 Crank case heater Safety devices Overload relay models Internal type Operating temperature 155 5 145 5 61 9 61 9 Refrigerant amount at shipment kg R407C 4 0 R407C 4 3 High pressure
88. l axis ranging from 63 Hz to 8000 Hz and select the maximum value vertical axis among them 66 Ceiling Mounted Type MODEL AC425C MODEL AC436C SOUND LEVEL HIGH 39 dB A NC 34 LOW 34 dB A NC 26 SOUND LEVEL HIGH 42 dB A NC 36 LOW 35 dB A NC 28 CONDITION Distance 1 m Under the unit 1 m CONDITION Distance 1 m Under the unit 1 m SOURCE 220 230 240 V 1 Phase 50 Hz SOURCE 220 230 240 V 1 Phase 50 Hz 60 60 50 40 30 50 40 30 0 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB APPROXIMATE 1 THRESHOLD 20 HEARING FOR CONTINUOUS NOISE 10 63 125 250 500 BAND CENTER FREQUENCIES Hz 1000 2000 4000 8000 1221 X I 0 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB APPROXIMATE 1 THRESHOLD 20 HEARING FOR CONTINUOUS NOISE 63 125 250 500 BAND CENTER FREQUENCIES Hz 1000 2000 4000 8000 1222 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 Phase 50 Hz 60 0 0002 ubar OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 50 40 on 30 APPROXIMATE 4 THRESHOLD 20 HEARING FOR CONTINUOUS NOISE 10
89. manual This symbol refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or property damage If Necessary Get Help These instructions are all you need for most installation sites and maintenance conditions If you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions 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 grounding can cause accidental injury or death Ground the unit following local electrical codes Connect all wiring tightly Loose wiring may cause overheating 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
90. mperature C 150 Thermistor Coil sensor PBC 41E S26 PBC 41E S36 Coil resistance 10 C 5 0 23 7 18 8 15 0 5 10 15 Drain pump WP20SL 21 Rated AC 230 V 14 7 W Float switch FC 0218 103 Rated Contact rated AC 230V 50W Synchronized Moter AS425C M2LB24ZA12 AS436C AS448C Power Transformer ATR I75A Rated Primary AC 230 V 50 Hz Secondary 10 6 V 0 93 A Capacity 9 85 VAC Coil resistance Q WHT WHT 96 5 0 8 at 20 Thermal cut off temperature C 150 Thermistor Coil sensor 41E S26 PBC 41E S36 Coil resistance 10 5 C 0 23 7 5 12 1 10 C 9 7 15 C 8 0 18 8 15 0 Thermistor Room or coil sensor KTEC 35 S6 0 5 10 C 20 30 Coil resistance 16 5 12 8 10 0 6 3 4 0 40 C 45 C 50 C 55 C 1 Drain pump WP20SL 21 Rated AC 230 V 14 7 W Float switch FC 0218 103 Rated Contact rated AC 230V 50W Switch Ass y SW X363GS Indicator Lamp Ass y IND X253GS IND X363GS X483GS Synchronized Moter l 36 M2LB24ZA12 A Indoor Unit MODEL No AC425C AC436C AC448C Power Transformer ATR 175 Rated P
91. n The nameplate values are shown based on the H air flow For the 25 type the air flow is 18 m minute while the external static pressure is 49 Pa at H position If external static pressure is too great due to long extension of duct for example the air flow volume may drop too low at each air outlet This problem may be solved by increasing the fan speed as explained above l 70 1 10 Air throw Distance Chart 4 Way Air Discharge Semi concealed Type Model 25 Type HORIZONTAL DISTANCE m 0 d 2 3 4 5 6 0 zd xd AXIS AIR VELOCITY 2 7 gt AXIS AIR VELOCITY m s VERTICAL DISTANCE m 0276 Model 36 48 Type HORIZONTAL DISTANCE m 0 1 2 3 4 5 6 0 BE E AIR VELOCITY gt 52 QF 2 tc lt 3 Ao 55 4 0277 X 1 T 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 71 1 10 Air throw Distance Chart Ceiling Mounted Type Model 25 Type HORIZONTAL DISTANCE m 0 1 2 3 4 5 6 7 8 9 10 ITY AXIS AIR VELOCITY m s VERTICAL DISTANCE m 1225 T I Model 36 Type HORIZONTAL DISTANCE m 0 1 2 3 4 5 6 7 8 9 10 GE E gt O0 VELOCITY 52 QF 2 a
92. ndoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 11 MODEL No AC436C AER536SC3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 10 6 BTU h 36 000 Air circulation Hi Me Lo m h 1 080 1 560 1 200 Moisture removal High Liters h 4 7 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 7 02 Max running amperes 7 88 Power input 3 97 Power factor 82 2 67 Max starting amperes 49 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS T251G Wireless RCS 5PS3EWL Refrigerant control Capillary tube Drain pump Drain connection No 20A OD26 mm Compressor Scroll Sanyo Operation sound Indoor Hi Me Lo 42 40 35 Outdoor Hi 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 50 164 Limit of tubing length at shipment ft 15 49 Limit of elevation difference ft Outdoor unit is higher than indoor unit 50 164 between the two units Outd
93. ng conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB 1 55 1 7 Cooling Capacity Indoor Unit AC425C Outdoor Unit AER525SCE RATING CAPACITY 7 3 kW AIR FLOW RATE 1080 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C PY 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW lt Input kW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB 1 56 1 7 Cooling Capacity Indoor Unit AC425C Outdoor Unit AER525SC L 3E RATING CAPACITY 7 3 kW AIR FLOW 1080 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW lt Input kW Rating conditions are Outdoor Am
94. nit Entering Air Temp 27 C DB 19 C WB 1 59 1 7 Cooling Capacity Indoor Unit AD425CW Outdoor Unit AER525SCE RATING CAPACITY 7 3 kW AIR FLOW 1080 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C it 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI Compressor Input KW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB l 60 1 7 Cooling Capacity Indoor Unit AD425CW Outdoor Unit AER525SC L 3E RATING CAPACITY 7 3 kW AIR FLOW 1080 CMH EVAPORATOR CONDENSER ENT TEMP C AMBIENT TEMP C 25 30 35 40 43 WB B 21 15 23 25 27 29 31 21 17 23 25 27 29 31 21 19 23 25 27 29 31 23 21 25 27 29 31 23 25 27 29 31 25 27 29 31 TC Total Cooling Capacity KW SHC Sensible Heat Capacity kW CI Compressor Input KW Rating conditions are Outdoor Ambient Temp 35 C DB Indoor Unit Entering Air Temp 27 C DB 19 C WB l 61
95. nsulation is defective Example power line power line Set the circuit breaker to OFF D Remove power supply cords from terminal plate in outdoor unit Rewire Check insulation resistance of power supply cords Remove inter unit power line i from terminal plate in outdoor Insulation of Check insulation unit outdoor unit resistance of Check insulation resistance is defective electrical parts of outdoor unit in outdoor unit 8 Remove inter unit power line i from terminal plate in indoor Insulation of Check insulation unit indoor unit resistance of Check insulation resistance is defective electrical parts of indoor unit in indoor unit Inter unit power lines is defective Rewire 1281 X S IV 3 4 2 Defective Sensor D a Indoor heat exchanger coil temp Sensor is defective Open No continuity in sensor Compressor and outdoor fan repeatedly go ON for 10 minutes and OFF for 6 minutes when sensor opens 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 Open No continuity in sensor Neither the outdoor fan nor compressor runs Short The outdoor fan and compressor do not stop Excessive cooling 4 3 Operation of Major Electrical Parts Operation Mode
96. o AD448CW Source 220 230 240 V 1 phase 50Hz Controller P C B Ass y CR X363GS Microprocessor Fan Number diameter Centrifugal 3 0 190 Fan motor Model Nominal output KFC4X 141A5P 160 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 207 Coil resistance Ambient temperature 20 C BRN WHT 25 79 WHT VLT 5 086 VLT ORG 8 626 ORG YEL 5 792 YEL BLK 6 746 ORG VLT 6 361 Safety device Operating temperature 130 5 115 5 Run capacitor 450 VAC 8 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 3 2 0 Face area 0 308 Drain pump PJV 1422 Rated AC 230 V 50 Hz 12 W Total head amp capacity 1 30 500 mm 400 cc min 1 2 Major Component Specifications B Outdoor Unit Source AER525SCE 220 230 240 V 1 phase 50 Hz Controller P C B Ass y Control circuit fuse Compressor Rotary Hermetic Model number C RN220H5B Source 220 240 V 1 phase 50 Hz Nominal output 2200 Compressor oil 1500 Coil resistance Ambient temperature 25 C 0 76 R S 2 76 3 52 Safety devices Overload relay models Internal type Operating temperature C 160 5 C 87 11
97. o the indoor fan motor FMI Check the socket terminals 2 Compressor motor thermal protector 49C Outdoor unit Disconnect both the connectors in the outdoor unit Check the terminal between the plug and socket 3 Outdoor fan motor thermal protector 49FO Outdoor unit e Disconnect both the connector which leads to the outdoor fan motor FMO e Check the socket terminal IV 16 3 Checking the Electrical Parts D Power transformer TR1 Indoor unit Measure the coil resistance Primary 220 240 V Measure the resistance between the two WHT lead wire terminals of the socket connected to the power transformer Secondary 10 6V Measure the resistance between the two BRN lead wires Refer to 1 3 A Other component specifications 2 Indoor fan motor FMI Indoor unit Measure the coil resistance e Measure the resistance between each terminal of the socket connected to the indoor fan motor Refer to 1 2 Major component specifications 3 Outdoor fan motor FMO Outdoor unit Measure the coil resistance Measure the resistance in the same manner as explained above 2 Refer to 1 2 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 Fig 4 7 Observe the de
98. oor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube in 9 52 3 8 outer diameter Wide tube in 19 05 3 4 Refrigerant amount at shipment R407C 4 0 DIMENSIONS amp WEIGHT Indoor unit Outdoor unit Unit dimensions i in 240 9 14 32 1 235 48 20 32 i 1 575 62 37 670 26 12 32 340 13 12 32 Package dimensions i in 317 12 15 32 1 326 52 7 32 i 1 678 66 8 32 40 22 24 ET 2 32 416 16 12 32 Net weight 8 9 Shipping weight 4 97 111 5 Shipping volume 0 lt 14 8 0 56 19 8 DATA SUBJECT TO CHANGE WITHOUT NOTICE Cooling Rating conditions Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 84 104 7 pou MODEL No AC436C EE AER536SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity kW 10 6 BTU h 36 000 Air circulation Hi Me Lo m h 1 080 1 560 1 200 Moisture removal High Liters h 4 7 ELECTRICAL RATINGS Voltage rating 400 Available voltage range 342 456 Running amperes 7 02 Max running amperes 7 88 Power input 3 97 Power factor 82 C O P 2 67 Max starting amperes 49 FEATURES Controls Thermostat control Microprocessor Timer ON OFF 72 hours ON OFF 24 hours amp Program F
99. or Electrical Parts Operation Mode Operation Indoor unit and Remote Control unit Oudoor unit Indicator lamps Fan Fan Compressor Function Tene Cool Timer 2 Sweep Thermo ON O Manual Thermo OFF Night Thermo ON O O po setback Thermo OFF O O O Timer ON Timer set OFF Timer O O Freeze prevention Q O O O Fan O O Sweep 081 O i Flap O Sip Cool Or Or Fan NOTE Refer to Cooling Mode IV 14 4 4 Checking the Electrical Components 1 Measuring the Insulation Resistance The electrical insulation is acceptable when the resistance exceeds 1 MQ D Power Supply Wires Clamp the earthed wire of the Power Supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing the probe on either of the power wires Fig 4 2 Then measure the resistance between the earthed wire and the other power wires Fig 4 2 Q Indoor Unit Clamp an aluminum plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing the probe on the terminal plate Fig 4 3 8 Outdoor Unit Measure the resistance by placing a probe on the terminal plate in the same manner as explained above in 2 Fig 4 3 9 Measuring the Insulation Resistance for El
100. or NO overcurrent relay 51C Refer to CHECKING ELECTRICAL COMPONENTS Is it actuated Electro magnetic contactor Consult power supply company and restore voltage to normal value e Check power supply voltage YES Is voltage 90 of rated voltage or less NO 90 of rated voltage or more Following causes may be considered Locked rotor of compressor Overcharged refrigerant Insufficient air for outdoor unit ventilation Obstruction in front of outdoor unit V5 2 E Check the auxiliary relay 1Y or 2Y Check coil resistance of auxiliary relay 1Y or 2Y 0620_X_S F Check the indoor fan motor thermal protector 49FMI Disconnect the socket from the 9P WHT connector Check the continuity between No 8 and No 9 poles of the 9P socket No continuity Thermal protector 49FMI is actuated Check fan casing for foreign matter on inside Fan cannot P gt Check fan rotation be rotated Rotate the fan gently once or twice by hand Fan motor burnout or foreign matter in bearing OK Check fan motor capacitor G Check the fuse on the P C B Ass y in the indoor unit Check fuse on P C B Check resistance of louver Ass y in indoor unit for motor winding LM continuity When the fuse blows Check coil of compressor motor magnetic contactor 52C Check transformer TR Check
101. pe 5 Drain connection Power supply entry For discharge duct Humidifier option mounting hole 8 Suspension bolt mounting 1488 X I A Indoor Units 4 Way Air Discharge Semi concealed Type 36 48 Type 218 Sel 210 X view 760 820 Ceiling opening 590 Suspention bolt pitch Panel center 1110 Ceiling opening 1020 Suspention bolt pitch Q Air intake grille Air outlet Refrigerant liquid line 29 52 Refrigerant gas line 219 05 Drain connection Power supply entry For discharge duct Humidifier option mounting hole 9 Suspension bolt mounting 0183 X 1 l 42 A Indoor Units Ceiling Mounted Type 25 36 48 Type 8 24 He E qa 6 280 we 146 141 W NEA Holes in the rear unit View from front Hole for wall through piping View from front 160 320 Suspension bolt hole pitch
102. pe Te C 88 Z 35 M M H H M M 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 Increases in fan speed are performed every minute after the fan speed changes Decreases in fan speed are performed every five minutes after the fan speed changes e After the compressor is switched from on to off the fan motor operates for 2 minutes 55 seconds at H or H H speed E Type 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 automatically When the outdoor temperature is 27 5 C or more the outdoor fan is set from LOW to HIGH automatically 11 5 3 ELECTRICAL DATA 3 1 Indoor Units Electric Wiring Diagram Schematic Diagram Ill 2 4 Way Air Discharge Semi concealed IIl 2 Ceiling Mounted 0000 6 Concealed Duct Types iconem ed create aut Ill 10 Concealed Duct High Static Pressure Type Ill 12 3 2 Outdoor Units Electric Wiring Diagram Schematic Diagram Ill 18 1 1 D AS425C 5436 AS448C Electric Wiring Diagram
103. r Terminal Plate Power Transformer Connector Auto Louver Motor Terminal Thermistor Indoor Coil Room Thermistor Fuse Auxiliary Relay Indoor Controller 8 854 2 5268 667 00 0 T253GSN56 T363GSN56 T483GSN56 11 5 8 AD425CW AD436CW AD448CW Electric Wiring Diagram T To Outdoor Unit Earth Power Supply Terminal PNK BRN BLK YEL ORG GRY slo VLT 4 WHT a ORG VLT WHT GRY GRY tL 5 TET SUP L THi 5P WHT 5P WHT 3P WHT 2P RED Controller CR X363GS GRN YEL GRN YEL W 854 2 5268 898 00 0 U253GN56 1 6 3 AD425CW AD436CW AD448CW e Schematic Diagram CR X363GS Controller 1 Description Symbols Description Indoor Fan Motor CR X363GS Indoor Controller Indoor Motor Thermal Protector RCS Remote Control Switch Running Capacitor Terminal Plate Fuse Connector Drain Pump Terminal Float Switch Power Transformer Auxiliary
104. r Unit 25 Type AER525SC3E Compressor OAD Gas line service 1 valve Gas line O D h 015 88mm nipple 5 8 Heat exchanger Heat exchanger Distributor Capillary tube Liquid line High sonico pressure valve fe ae La oas switch O D mia ji 96 35mm ra c x OE EUR gt xd Strainer Cooling Cycle l 49 1 5 Refrigerant Flow Diagram Outdoor Units AER525SCL3E Indoor Unit 25 Type Compressor Accumulator Accumulator Gas line service valve Gas line O D 915 88mm nipple 5 8 Capillary tube Liquid line Z T High service pressure valve iie wee i rcs switch A O D T line 96 35mm hun MM Strainer 1549 C S 1 50 1 5 Refrigerant Flow Diagram Outdoor Units AER536SC L 3E Indoor Units 36 48 Type AER548SC L 3E Compressor Low pressure switch Accumulator LP Gas line High service pressure valve OD Gas line switch 919 05mm nipple 3 4 4 HPJ lt Distributor Tr P Capillary tube Liquid line vite valve EN Liquid line O D nipple g9 52mm 8 i eee ee Cooling Cycle 1550 C S 1 6 Operating Ran
105. r temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 19 AD436CW AER536SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 10 6 BTU h 36 000 Air circulation Hi Me Lo m h 1 800 1 560 1 260 Moisture removal High Liters h 4 2 External static pressure High ELECTRICAL RATINGS mmAq Pa 79 8 1 at shipment 122 12 4 using the booster cable Voltage rating 400 Available voltage range 342 456 Running amperes 7 16 Max running amperes 8 02 Power input 4 09 Power factor 83 C O P 2 59 Max starting amperes FEATURES 49 Controls Thermostat control Microprocessor Timer ON OFF 12 hours Fan speeds Indoor Outdoor 3 and Automatic control 3 Auto Airflow direction Indoor Air filter Field supply Remote controller Option Wired RCS U251G Refrigerant control Capillary tube Drain pump Drain connection Max head 75 cm above unit bottom 25A OD32 mm Compressor Rotary Sanyo Operation sound Outdoor Hi Indoor Hi Me Lo 38 33 31 42 38 33 using the booster cable 53 Color Approximate value Indoor Outdoor REFRIGERANT TUBING Munsell 6 96 8 13 0 2 RAL 7035 GL Limit of tubing length 50 164 Limit of tubing l
106. resistance of indoor fan motor winding P C B Ass y is defective FMI 6 Remove foreign matter or repair Repair or replace 3 Outdoor unit does not run A Check the COOL FAN selector switch in the remote control unit Is COOL FAN selector switch NO set to COOL Bl Set to COOL B Check the set temperature Try to lower set temperature using temperature setting button COOLER Set Operation selector switch to TEST in indoor unit Outdoor unit runs Is room temperature too low Try to run both indoor and outdoor units with another remote control unit 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 Rewire power supply cords 7 b Check the compressor motor thermal protector 49C abnormally high YES NO Compressor is defective Check compressor motor thermal protector 49C Charge refrigerant gas Check compressor motor magnetic contactor 52C Only the outdoor fan does not run D Check the indoor unit P C B Check P C B Ass y Check voltage between terminals No 2 and No 4 on terminal plate No voltage appears P C B Ass y is defective IV 8 4 Indoor unit does not run The indoor fan
107. rimary AC 230 V 50 Hz Secondary 10 6 V 0 93 A Capacity 9 86 VAC Coil resistance Q WHT WHT 101 BRN BRN 0 6 at 20 C Thermal cut off temperature C 150 Thermistor Coil sensor 41E S14 Coil resistance 10 C 23 7 5 12 1 5 C 18 8 10 C 9 7 0 C 15 0 15 C 8 0 Synchronized Moter MODEL No AC425C AC436C AC448C Power Transformer ATR I75B Rated Primary AC 230 V 50 Hz Secondary 10 6 V 0 93 A Capacity 9 86 VAC Coil resistance Q WHT WHT 101 5 BRN BRN 0 6 at 20 C Thermal cut off temperature C 150 Thermistor Coil sensor 41E S14 Coil resistance k Thermistor Room or coil sensor KTEC 35 S6 Coil resistance Switch Ass y SW X363GS Indicator Lamp Ass y IND T251GS Synchronized Moter MT8 3C 1 37 A Indoor Units MODEL NO Indoor Unit AD425CW 448CW Power Transformer ATR I75B Rated Primary 230 V 50Hz 10 6 V 0 93 A 9 85 VAC WHT WHT 965 Thermal cut off temperature 150 PBC 44E S36 10 23 7 5 Secondary Coil resistance 0 8 Thermistor Coil sensor TH1 Resistance 5 C 18 8 5 0 C 15 0 5 5 12 1 5 10 C 9 7 5 Drain pump PTV 1422 Rated
108. t 15 49 Limit of elevation difference between the two units Outdoor unit is higher than indoor unit 40 131 Outdoor unit is lower than indoor unit 30 98 Refrigerant tube Narrow tube 6 35 1 4 outer diameter Wide tube 15 88 5 8 Refrigerant amount at shipment DIMENSIONS amp WEIGHT R407C 2 4 Indoor unit Outdoor unit Unit dimensions 310 12 7 32 735 28 30 32 1 000 39 12 32 13 12 32 Package dimensions 358 14 3 32 826 32 17 32 783 30 26 32 416 630 24 26 32 340 16 12 32 Net weight 148 Shipping weight 1 191 46 28 32 161 Shipping volume Cooling Rating conditions DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor air temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 1 17 AD425CW AER525SCL3E POWER SOURCE 380 400 415 V 3N 50 Hz MODEL No PERFORMANCE Cooling Capacity kW 7 3 BTU h 25 000 Air circulation Hi Me Lo m h 1 080 900 780 Moisture removal High Liters h 3 5 External static pressure High ELECTRICAL RATINGS mmAq Pa 50 5 1 at shipment 92 9 4 using the booster cable Voltage rating 400
109. t insure that installation complies with all relevant rules and regulations To prevent malfunction of the air conditioner cau Sed by electrical noise care must be taken when wiring as follows The remote control wiring and the inter unit control wiring should be wired apart from the inter unit power wiring It is recommended that shielded wires or twisted pair wires be used for the remote control and the inter unit control wiring if the air conditioner is installed where it is exposed to the influence of electrical and or electro magnetic noise Recommended Wire Length and Wire Diameter for Power Supply System A Power Supply B Inter unit Time Dealy Wiring Fuse or Models Circuit 4 mm2 2 5 mm Capacity Three 525 97m 40m 15A phase 50 Hz AER536 60m 50m 15A model 548 54m 50 25A Single phase 50 Hz AER525 17m 40m 40A model 1 Refer to the Wiring System Diagrams for the meaning of A B AWG American Wire Gauge 1 77 NOTE To access the electrical component box open the air intake grille and remove the electrical component box cover Wiring System Diagrams Outdoor Unit SC models NOTE Single phase For accordance with conformity of EC Directive No 50 Hz 220 240 V 89 336 EEC supply connection at the time of installa tion work it should be consider guidance showing
110. tdoor unit AER525SCL3E Outdoor Fan tap LL 120 80 100 HN 96 Ayoede 120 e 100 oles 1ndu dwog N N 10 20 30 40 Outdoor temperature C DB 10 Outdoor unit AER536SCL3E Outdoor Fan tap LL 120 100 gt Aoede 80 120 e e e e s oles 1ndu dwog lt 20 10 Outdoor temperature C DB 10 64 COOLING CAPACITY Low ambient model Outdoor unit AER548SCL3E Outdoor Fan tap LL L 120 M 120 Ric 100 90 Capacity ratio 96 80 120 110 100 90 Comp input ratio 96 80 70 10 0 10 20 30 40 Outdoor temperature C DB NOTE 1 2 According to outdoor air intake temp C DB rises Cooling capacity and Comp input vary These characteristics are based on a Tubing length is 7 5 meters b Indoor side air state is 270DB 19WB point is under rating conditions Indoor 27 C DB 19 C WB Outdoor 35 C DB These characteristics indicate instantaneous capacity Integrated capacity is instantaneous capacity less the effect of the drop of performance during freeze prevention cycle and others 1 65 OCTAVE BAND SOUND PRESS
111. temperature 27 C DB 19 C WB Outdoor air temperature 35 C DB Full load conditions Indoor air temperature 32 C DB 23 C WB Outdoor air temperature 43 C DB 4 AS436C 5365 POWER SOURCE 380 400 415 V 3N 50 Hz PERFORMANCE Cooling Capacity 10 6 36 000 1 920 1 680 1 320 4 6 MODEL No kW BTU h m h Liters h Air circulation Hi Me Lo Moisture removal High ELECTRICAL RATINGS Voltage rating Available voltage range Running amperes Max running amperes Power input Power factor C O P Max starting amperes FEATURES Controls Thermostat control Timer 400 342 456 7 02 7 78 3 97 82 2 67 49 Microprocessor ON OFF 12 hours ON OFF 24 hours amp Program Fan speeds Indoor Outdoor 3 and Automatic control 2 Auto Airflow direction Indoor Automatic Remote control Air filter Washable easy access long life 2 500 hr Remote controller Option Wired RCS 31G W Wireless RCS 5PS3E Refrigerant control Capillary tube Drain pump Drain connection Compressor Operation sound Max head 25 cm above drain connection 25A OD32 mm Scroll Sanyo 43 40 36 53 Munsell 10Y9 3 0 4 RAL 9010 GL Munsell 6 96 8 13 0 2 RAL 7035 01 Indoor Hi Me Lo Outdoor Hi Indoor Outdoor dB A dB A Color Approximate value REFRI
112. 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 prevents water damage and abnormal vibration In an area with High Winds Securely anchor the outdoor unit down with bolts anda 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
113. ty device Operating temperature 130 8 C 79 15 Run capacitor 440 V 1 5 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 3 1 7 Face area 0 168 Auto louver motor MT8 3C Auto louver motor Rated V Hz W rpm 220 240 VAC 50Hz 3 W 3 3 rpm Coil resistance at 25 C Q 1 25 16 430 Q 8 A Indoor Unit MODEL No AC436C Source 220 230 240 V 1 phase 50Hz Remote Controller Accessory REM CLR A Controller P C B Ass y CR X363GS Switch Ass y SW X363GS Fan Number diameter Centrifugal 4 150 Fan motor Model Nominal output KFG4X 101C6P 100 W Source 220 230 240 V 1 phase 50 Hz No of pole r p m 230 V High 4 1 015 Coil resistance Ambient temperature 20 C BRN WHT WHT VLT VLT ORG 61 05 ORG YEL 9 955 YEL BLK 9 576 BLK PNK Safety device Operating temperature 130 8 79 15 Run capacitor 440 V 4 0 uF Heat exchanger Coil Aluminum plate fin Copper tube Rows fin pitch 3 1 7 Face area 0 326 Auto louver motor MT8 3C Auto louver motor Rated V Hz W rpm 220 240 VAC 50Hz 3 W 3 3 rpm Coil resistance at 25 C Q 1 26 16 430 Q 8
114. ull load conditions 0 20 0 22 0 26 0 29 4 92 4 94 5 38 5 45 Starting amperes Rating Conditions 2 2 Indoor Air Temperature 3 3 48 53 27 C DB 19 WB 53 58 35 C DB 35 C DB 25 C WB 50 C DB Outdoor Air Temperature Indoor Air Temperature Outdoor Air Temperature Rating Conditions l 79 Electrical characteristics Indoor model AC425C Outdoor model AER525SCE 220 240V 1 phase 50Hz 220 240 1 phase 50Hz Rating conditions Indoor Unit Outdoor Unit Fan Motor 0 43 0 43 Fan Motor 0 62 0 65 Compressor 12 1 12 3 Complete Unit 13 15 13 38 0 09 0 1 0 13 0 15 2 5 2 64 2 72 2 89 Full load conditions 0 43 0 43 0 62 0 65 13 8 14 7 14 85 15 78 0 09 0 1 0 13 0 15 2 85 3 2 3 07 3 45 Starting amperes 1 1 1 1 Indoor model AC425C Outdoor model AER425SC L 3E A Rating conditions Indoor Unit 67 73 Outdoor Unit Fan Motor 0 43 0 43 Fan Motor 0 62 0 65 Compressor 4 25 4 21 69 75 Complete Unit 220 240V 1 phase 50Hz 380 415V 3 phase 50Hz 4 57 4 53 0 09 0 1 0 13 0 15 2 4 2 43 2 62 2 68 Full load conditions 0 43 0 43 0 62 0 65 5 38 5 25 5 7 5 57 0 09 0 1 0 13 0 15 3 02 3 02 3 24 3 27 Starting amperes 1 1 1

TECHNICAL DATA & SERVICE MANUAL

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TECHNICAL DATA &amp; SERVICE MANUAL

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TECHNICAL DATA & SERVICE MANUAL