TECHNICAL DATA & SERVICE MANUAL SPLIT SYSTEM AIR
Contents
1. KEE Power factor C O P2. Air filter Washable Anti Mold EECHER n EE EEE Indoor
3. Moisture removal High Liters h 2 7 x Capacity 342 to 418 Available voltage range Running 5 Power input Power factor C O P Compressor locked rotor amperes Fan speeds Airflow direction Indoor Controls Temperature control Control unit Timer Air filter Compressor Refrigerant Amount charged at shipment Indoor Outdoor Horizontal Vertical Microprocessor thermostat Wireless remote control unit ON OFF 24 hours amp Daily Program 3 and Auto Auto Hi Lo Manual Auto Washable Anti Mold Rotary Hermetic R407c 1600 Refrigerant control Capillary tube Indoor Hi Me Lo dB A 48 44 39 Outdoor Hi dB A 51 Refrigerant tubing connections Operation sound Flare type Max allowable tubing length at shipment 10 6 35 1 4 12 7 1 2 Optional x Narrow tube Wide tube x Refrigerant tube diameter Refrigerant tube kit Indoor Unit Outdoor Unit ccc ae en E meon a comede Width 900 830 Depth 190 305 EN en x usa s Wiath 1 011 994 Depth 296 413 Weight Net 23 5 59 0 Shipping 30 0 64 0 EE EEEN Shipping volume 0 24 0 29 DATA SUBJECT CHANGE WITHOUT NOTICE Dimensions amp Weight Rema
4. Compressor locked rotor amperes peeccccceeoocceee occcceeD ecc cecccodesscsccscecsoscccssovecceosccecsovcceceoscceeesveccces cceccceccccceececccceeoccedescecccecec 5zocsceccecceecooccceecccecccecvscdeccceecscccecoovececovecceeseceesoveceeosececseccesooeecccsc cosccceosecccssseccccccoo Control unit Timer Indoor Outdoor Horizontal Manual Airflow direction Indoor x Vertical Auto PCCP
5. Unit dimensions Height Width Height Package dimensions Width 680 900 190 813 1 011 835 POCO meee eee renee nee 296 x 23 5 DD i Shipping b i 300 90 a 0 24 DATA SUBJECT TO CHANGE WITHOUT NOTICE Dimensions amp Weight Remarks Rating conditions are Cooling Indoor air temperature 27 DB 19 WB Outdoor air temperature 35 DB 24 WB Heating Indoor air temperature 20 DB Outdoor air temperature 7 DB 6 WB Indoor Unit AWR518HL Outdoor Unit AER522SH3 Power Source Voltage Rating 380 400V 3N 50Hz 400V Control Circuit 230 K 50Hz Cooling Heating 4 80 x 6 40 7 BTU h 16400 21800 Air circulation High m3 h Moisture removal High Liters h 22
6. o 3 TC 5402 61 5241 52 4993 70 4683 91 4324 57 220372 241403 258000 285081 310213 21 SHC 3704 81 3630 65 3506 74 3358 04 3184 57 23 4197 94 4113 91 3990 00 3841 30 3667 83 25 46 8 43 4584 8 4460 87 4312 17 4138 70 27 5171 56 5068 04 4944 13 4683 91 4324 57 29 5402 61 5241 52 4993 70 4683 91 4324 57 31 5402 61 5241 52 4993 70 4683 91 4324 57 5848 70 5625 65 5353 04 5030 87 4634 35 201402 292445 315599 21 SHC 3239 46 3147 39 3023 48 2874 78 2688 91 23 3724 10 3618 26 3494 35 3345 65 3172 17 25 4221 50 4101 52 3977 61 3828 91 3643 04 27 4706 14 4572 39 4448 48 4299 78 4126 30 29 5203 54 5055 65 4931 74 4783 04 4597 17 31 2688 18 5526 52 5353 04 5030 87 4634 35 6195 65 5985 00 5700 00 5353 04 4931 74 om 248140 256585 2750 00 sorso 326922 21 SHC 2713 70 2626 96 2354 35 2180 87 23 3190 6 3110 22 et pn 2837 61 2664 13 25 3655 43 3581 09 3457 17 3320 87 3135 00 27 4126 30 4064 35 3940 43 3 91 4 3618 26 29 4584 78 4535 22 4411 30 4275 00 4089 13 31 5068 04 5018 48 4894 57 4745 87 4572 39 TC 656 39 6344 35 6046 96 56 5 22 5229 13 23 5 8 2143 70 25 B a eis Me d 2626 96 27 3612 07 3543 91 3420 00 3283 70 3097 83 29 4071 78 4014 78 3903 26 3754 57 3581 09 31 4551 20 4498 04 4374 13 4
7. NO 90 or more of rated voltage e Check compressor There is a possibility of locked rotor e Check compressor motor Temperature of compressor is internal protector 49C abnormally high YES Refrigerant gas shortage Charge refrigerant gas Compressor is defective 9 2 4 Only indoor unit does not run Indoor PCB Ass y is defective 66 9 3 Some part of air conditioner does not operate 9 3 1 Only indoor fan does not run Check fan casing foreign matter on inside Fan cannot Check fan rotation be turned Turn fan gently once or twice by hand Fan motor burnout or foreign matter in bearings Measure resistance of indoor fan motor winding Check fan motor capacitor 9 3 2 Only flap motor does not run Measure resistance of flap motor winding 9 3 3 Function of outdoor fan speed control does not work properly Check thermostat in outdoor unit 23S Refer to 5 8 Outdoor Fan Speed Control 67 Remove foreign matter or repair Repair or replace argo climb s p a Via Varese 90 21013 Gallarate Va Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima it Printed in italy
8. Crank case heater 240 V 30 W Propeller 1 0400 Fan motor model Number omen 19TFB6055 1 oource 220 240 V 50 Hz No of poles rpm 220 V 6 900 Nominal output 50 WHT BRN 77 7 Coil resistance Ambient temp 20 C WHT YEL 366 0 WHT PNK 211 0 Safety devices Type Internal protector Open 130 8 Close Automatic reclosing 2 440 Operating temp Run capacitor 1 6 Face area 0 453 EXTERNAL FINISH Acrylic baked on enamel finish Data subject to change without notice Outdoor Unit AER522SH3 Power source 380 400 V 3N 50 Hz Control circult 220 240 V 50 Hz CONTROLLER PCB POW C226GH COMPRESSOR Type Rotary Hermetic Compressor model C RN223H8A 80244088 Source 380 400 V 50 Hz Nominal output 2200 Compressor oil Amount FV68S 1350 4 97 Coil resistance Ambient temp 25 4 64 4 88 Safety devices Type Internal protector External protector Overload relay II HOE 10TB TH 7A Operating temp Open Automatic opening Close Automatic reclosing Operating amp Ambient temp 25 C Run capacitor II Crank case heater Propeller 1 0460 Fan motor model Number Smen 19TFB6064 1 Source 220 240 V 50 Hz No of poles rpm 220 V 6
9. Axis air velocity m s Vertical distance m Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 27 Indoor Unit AWR522HL Room air temp 27 Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 Room air temp 20 Fan speed High Horizontal distance m Axis air velocity m s Vertical distance m Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 28 5 2 Performance Charts Indoor Unit FCR518HL Outdoor Unit AER518SH3 Cooling characteristics Heating characteristics Indoor Inlet air D B temp C Indoor Inlet alr D B temp C outdoor fan speed Operating current A Operating current A 25 30 35 40 45 50 Indoor inlet air D B temp C Indoor Inlet air D B temp C o Outdoor fan speed gt w qj gt o gt o e eo oo Q war gt x A6 u x W U N o oc L ke gt 22 GE
10. 2 SPECIFICATIONS 2 1 Unit Specifications Indoor Unit FCR518HL Outdoor Unit AER518SH3 380 400 V 3N 50 Hz Voltage rating V 400 Control circuit 230 V 50 Hz Cooling Heating kW 4 80 x 6 40 BTU h 16 400 21800 Air circulation High m3 h 800
11. Others AN Ventilate any enclosed areas when installing or testing the refrigeration system Escaped refrigerant gas on contact with fire or heat can produce dangerously toxic gas Confirm upon completing installation that no refrigerant gas is leaking If escaped gas comes in contact with a stove gas water heater electric room heater or other heat source it can produce dangerously toxic gas Table of Contents Page OPERATING RANGE SPECIFICATIONS HE Unit Specification Major Component Specifications 6 Other Component Specifications DIMENSIONAL DATA REFRIGERANT FLOW DIAGRAM 5 PERFORMANCE DATA Air Throw Distance Chart Performance Charts Cooling Capacit Heating Capacit ELECTRICAL DATA o Electrical Characteristic Electric Wiring Diagrams 7 Defrosting operation 7 8 Outdoor Fan Speed Control 51 REFRIGERANT R407C SPECIAL PRECAUTION WHEN SERVICING UNIT Characteristics of new refrigerant R407c 8 6 In case refrigerant is leaking o o Charging additional refrigerant 8 8 Retro fitting existing systems TROUBLESHOOTING Check before and after troubleshooting Air Conditioner Does not operate Some Parts of Air Conditioner does not operate 1 OPERATING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp pom 32 C D B 23 W B 43 C DB Coolin S 19 C D B 14 C W B 19 C D B 27 C D B 24 C D B 18 C W B 16 C D B 8 D B 9 C W B Heating
12. 840 Nominal output 50 WHT BRN 99 5 Coil resistance Ambient temp 20 WHT YEL 252 0 WHT PNK 63 2 Safety devices Type Internal protector Open 130 8 Operating temp Close Automatic reclosing Run capacitor 5 440 2 Face area EXTERNAL FINISH m 0 61 Acrylic baked on enamel finish Data subject to change without notice 2 3 Other Component Specifications Indoor Unit FCR518HL FCR522HL Thermistor Room sensor TH2 KTEC 35 S6 Resistance 10 0 4 4 0 4 7 9 4 3 3 4 6 3 4 2 7 4 5 0 4 1 8 4 Thermistor Coil sensor TH1 PBC 41E S14 Resistance 40 1 5 24 4 5 4 4 5 15 3 5 3 0 5 9 9 5 2 1 596 Transformer TR ATR J105 Primary AC 230V 50Hz Secondary 19V 0 526A Capacity 10VA Coil resistance Q at 21 C Primary WHT WHT 205 1096 Secondary 2 0 10 Thermal cut off temp 150C 12 Indoor Unit AWR518HL AWR522HL Transformer TR Rating Primary Secondary Capacity Coil resistance Q at 21 C Thermal cut off temp Thermistor Coil sensor Resistance kQ Thermistor Room sensor Resistance kQ 13 ATR J105 AC 230V 50Hz 19V 0 526A 10VA Primary WHT WHT 205 1096 Secondary 2 0 10 150 C DTN TKS131B 0 15 0 2 DTN TKS142B 25 5 0 3 Outdoor Unit AER518SH3 Electro Mag
13. N CAUTION cause malfunction of the unit For the above vacuum pump 21 2 and vacuum pump adapter 23 those for R22 type units can be used for R407C type However they must be used exclusively for R407C and never alternately with R22 8 4 For tubing installation procedures When the tubes are connected always apply HAB oil on the flare portions to improve the sealing of tubing The following is the HAB oil generally used Esso ZERICE S32 NOTE For details on tubing installation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 54 8 5 In case of compressor malfunction Should the compressor malfunction be sure to replace compressor as quickly as CAUTION possible Use only the tools indicated exclusively for R407C gt See 10 3 Tools specifically for R407C 8 5 1 Procedure for replacing compressor 1 Recovering refrigerant Any remaining refrigerant inside the unit should not be released to the atmosphere but recovered using the refrigerant recovery unit for R407C 1 Recovering refrigerant OK Do not reuse the recovered refrigerant since will contain impurities 2 Replacing compressor 2 Replacing compressor OK Soon after removing pinched pipes of both discharge and suction tubes of the new compressor replace it quickly 3 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant
14. 41 To avoid electrical shock hazard be sure to AER518SH3 Outdoor unit disconnect power before checking servicing and or cleaning any electrical parts 2 lt TERMINAL PLATE E hekken 1 4 YEL a Di J Si Jet E HC LU E HL SN CHE X pes t pou C3 t E 1 i KNX i gy s pd y 01 a X1 S Hr 8 Pook qi LIL2L3NT S POWER SUPPLY 8 3 PHASE l 50HZ WHT BLU J gt NEGATIVE PHASE RELAY 47C GRN YEL COMPRESSOR E MOTOR WHT BLU ELECTRO MAGNET IC CONTACTOR INTERNAL PROTECTOR 49C O EARTH CONTROLLER THERMOSTAT 23S RED BLU TEL WHT BLU CAPACITOR G e BLK BLK z x I QD x LL a 4 d 4 WAY VALVE D Z C GRN YEL 42 Outdoor unit AER522SH3 43 7 FUNCTION 7 1 Room Temperature Control Cooling Room temperature control is obtained by cycling the compressor ON and OFF under control of the room temperature sensor in the remote control unit The room temperature and other information is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit Signal from remote control unit minutes minutes 3 minutes 3 minutes 3 minutes minutes 3 minutes Thermo Thermo Thermo Thermo Thermo Thermo
15. Dimensions amp Weight Remarks Rating conditions are Cooling Indoor air temperature 27 19 W B Outdoor air temperature 35 24 W B Heating Indoor air temperature 20 Outdoor air temperature 7 C D B 6 C W B 2 2 Major Component Specifications 2 2 1 Indoor Unit Indoor Unit c LL o LL x Run capacito FCR518HL Type x Number Dia and length Fan motor model Number No of poles rpm 230 V High x Nominal output x Coil resistance Ambient temp 20 Type devices Operating temp Model Rating x No of poles rpm Nominal output x Coil resistance Ambient temp 20 Coil Rows Fin pitch Face area POW K186GHS C Microprocessor 250V 3A Centrifugal 2 0 130 L 180 K48410 M01597 1 4 1 140 27 GRY WHT 194 223 WHT VLT 80 1 92 2 VLT 80 1 92 2 ORG YEL 200 230 WHT PNK 238 274 Internal protector 145 45 Automatic reclosing 2 0 440 M2LJ24ZE31 AC 208 230 V 50 60 Hz 8 2 5 3 0 312 5 16 45 15 Aluminum plate fin Copper tube 2 1 8 0 192 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit FCR522HL c LL o LL x Run capacito x Number Dia and length Fan motor model Number of poles rpm 230 V High x Nominal output
16. Heating Room air temp 20 Fan speed High f g 3 RE 95 do im 0 O SEL e a 2 1 an e Flap angle lt gt __ 0 SETT 0 1 2 3 4 5 6 7 Horizontal distance m 23 Indoor Unit FCR518HL Ceiling mounted Room air temp 27 Fan speed High Horizontal distance m e Axis air verocity e Flap angle Axis air verocity m s Vertical distance m Room air temp 20 Fan speed High Horizontal distance m 0 CPN e Axis air verocity EE gt e Flap angle e oS o i A 5 8 UN N60 lt gt 1 80 24 Indoor Unit FCR522HL B Floor mounted Room air temp 27 C Fan speed High V a EE oS D gt O di m x O lt gt Horizontal distance Room air temp 209C Fan speed High S mm 1 eFlapangle td cs Horizontal distance Axis air verocity m s Vertical distance m N 25 Indoor Unit FCR522HL Ceiling mounted Room air temp 27 Fan speed High Horizontal distance m e Axis air verocity e Flap angle Axis air verocity m s Vertical distance m Room air temp 20 Fan speed High Horizontal distance m 0 V e Axis air verocity EE gt e Flap angle e oS o N 5 8 IN 60 lt gt 1 80 26 Indoor Unit AWR518HL Room air temp 27 Fan speed High Horizontal distance m
17. x Capacity Available voltage range 3421 to 418 Running 5 Power input factor C O P Compressor locked rotor amperes Controls Temperature control Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours amp Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo TM Horizontal Manual Airflow direction Indoor x Vertical Auto Air filter Washable Compressor Rotary Hermetic Refrigerant Amount charged at shipment R407c 1600 Refrigerant control Capillary tube Indoor Hi Me Lo dB A 55 51 49 Outdoor Hi dB A 65 Refrigerant tubing connections Flare type Noise power level Max allowable tubing length at shipment 7 5 Refrigerant tube Narrow tube in 6 35 1 4 diameter Wide tube in 12 7 1 2 Indoor Unit Outdoor Unit Unit dimensions Height 285 u 630 x Width 995 830 Depth 206 305 Package dimensions Height 276 713 x Width 1 070 x ben Depth 363 x 413 Weight Net 12 0 x 55 Shipping 15 0 60 Shipping volume 0 11 DATA SUBJECT TO CHANGE WITHOUT NOTICE Dimensions amp Weight Remarks Rating conditions are Cooling Indoor air temperature 27 19 W B Outdoor air temperature 35 24 W B Heating Indoor air temperature 20 C D B Outdoor air temperature 7 C D B 6 C W B Indoor
18. x Coil resistance Ambient temp 20 Type devices Operating temp Model Rating x No of poles rpm Nominal output Coil resistance Ambient temp 20 C Coil Rows Fin pitch Face area POW K186GHS C Microprocessor 250V 3A Centrifugal 2 0 130 L 180 K48410 M01598 1 4 1 280 41 124 144 WHT VLT 69 3 79 8 VLT 69 3 79 8 ORG YEL 200 233 WHT PNK 255 294 Internal protector 145 5 Automatic reclosing 2 0 440 M2LJ24ZE31 AC 208 230 V 50 60 Hz 8 2 5 3 0 312 5 16 45 15 Aluminum plate fin Copper tube 2 1 8 0 192 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit x O gt c LL o C LL AWR518HL Type Q ty Dia and length Fan motor model Q ty x No of poles Cool Heat rpm High x Nominal output x Coil resistance Ambient temp 20 C devices Operating temp x Run capacito Type Close Model Rating Coil resistance Ambient temp 20 Coil Rows 9 Fin pitch Face area POW K181GJH Microprocessor 250 V 3 15 Cross flow 1 988 1746 2 31A5PA S 1 2 1506745899 30 WHT BRN 130 4 WHT PNK 169 8 Thermal protector 190 8 Automatic reclosing 2 0 440 Stepping motor MP24GA2 DC 12V Each terminals 1 2 1 3 1 4 1 5 400 7 Aluminum plate fin Copper tube 2 1 3 0 25
19. D 42 D gt o o O av x o ow gt rc 3 10 25 30 35 40 45 50 5 0 57 10 15 20 25 Outdoor inlet alr D B temp Outdoor Intet alr D B temp Overload prevention operates to protect the air conditioner when outdoor ambient temperature reaches extremely high in heating mode Refer to 5 5 Overload prevention Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 DB 19 C WB 22 Heating Indoor air temperature 20 C DB Outdoor air temperature 35 C DB 24 C WB Outdoor air temperature 7 DB 6 C WB 29 Indoor Unit FCR522HL Outdoor Unit AER522SH3 Cooling characteristics Heating characteristics Indoor Inlet alr Indoor Inlet air D B temp C D B temp C outdoor fan speed Operating current A Operating current A EN Indoor Inlet alr Indoor Inlet air D B temp C D B temp C 32 Outdoor fan soeed 30 a gt Low HIgh gt o V E Eo 28 ze Mo 2 Zo gt 26 27 Ms i P sa 24 15 22 GEI 42 oe ro 22 gt 5 gt 20 Ow Jo 18 16 14 5 0 5710 15 20 25 Outdoor Inlet alr D B temp C Outdoor Intet alr D B temp C Overload prevention operates to protect the air conditioner when outdoor ambient temperature reaches extremely high in heating mode
20. Hi Me Lo dB A x Outdoor Hi dB A POOP Meee eee meee rere aaa KETTER EECH EECHER AE x Refrigerant tube Refrigerant tube kit Optional Indoor Unit Outdoor Unit POCO Meee ee
21. Max 10minutes 36 Indoor heat exch coil temp C Standby lamp 49 7 7 Defrosting Operation Heating H Defrosting Flowchart Compressor ON Release of overload prevention Outdoor fan operates Overload prevention works Does outdoor fan stop Outdoor fan is either operated Indoor heat exchanger coil Integrated operating time of Integrated operating time of or stopped for more than 10 temperature drops 0 8 C per compressor is more than 3 compressor is more than 1 5 minutes 6 minutes and it repeats hours hours 3 times in succession Is outdoor fan continuously for more than 10 Temperature of indoor heat Thermo OFF minutes exchanger coil is below 45 C Compressor OFF Integrated operating time of compressor is more than 50 minutes Temp of indoor heat exch coil immediately before thermo goes off is either below 45 4 C or 58 4 C when overload Temperature of indoor heat prevention works exchanger coil is below 45 13 C Compressor keeps running for at least 6 minutes Continuous operating time of Compressor keeps running for compressor is more than 20 Compressor keeps running at least 6 minutes minutes for at least 6 minutes Temperature of outdoor heat exchanger coil is below 9 C Defrosting begins Cold draft prevention Temperature of outdoor heat exchange coil is higher than 12 Defrosting time is over 12 minutes Release
22. Refer to 5 5 Overload prevention Points of Rating condition Black dots in above charts indicate the following rating conditions Cooling Indoor air temperature 27 DB 19 C WB Heating Indoor air temperature 20 DB Outdoor air temperature 35 C DB 24 C WB Outdoor air temperature 7 DB 6 C WB 30 5 3 Cooling Capacity Indoor Unit AWR518HL Outdoor Unit AER518SH3 400V 3N 50Hz RATING CAPACITY 4 8 kW AIR FLOW RATE 760 m3 h ELE CONDENSER ENT TEMP OUTDOOR AMBIENT TEMP ra EN 1 77 1 89 2 03 2 23 2 43 21 23 25 27 29 31 194 z 229 CM 1 81 1 94 2 08 2 29 2 49 21 23 25 27 29 31 5 22 5 04 4 51 4 15 1 90 2 01 2 15 2 36 2 56 21 23 25 27 29 31 cM 1 94 2 08 2 22 2 43 2 64 23 25 27 29 31 1 98 2 11 2 27 2 48 2 70 25 SHC 27 SHC 29 SHC 31 SHC TOTAL COOLING CAPACITY kW See SENSIBLE HEAT CAPACITY kW CM COMPRESSOR INPUT kW RATING CONDITIONS 2 OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 D B 19 C W B Indoor Unit AWR522HL Outdoor Unit AER22SH3 230V Single Phase 50Hz RATING CAPACITY 6 10 kW AIR FLOW RATE 830 m h EVAPORATOR CONDENSER ENT TEMP C OUTDOOR AMBIENT TEMP 3e 35 01 49 4 T C C 5 61 5 34 5 02 4 62 M 2 16 2 31 2 56 2 90 3 66 3 51 3 12 DB 21 SHC 3 6 23 4 04 3 50 25 4 42 3 88 27 4 80
23. T 2 C Dry A1 zone Compressor Intermittent operation ON for 5 minutes and OFF for 5 minutes FMI indoor fan L low speed LL very low speed intermittent ventilation set temp T only while the compressor is ON T 1 C Dry B zone Compressor Intermittent operation ON for 3 minutes and OFF for 9 minutes FMI indoor fan L low speed LL very low speed intermittent ventilation only while the compressor is ON Room temp 15 C Monitor zone Both the indoor and outdoor units stop Intermittent ventilation occurs by switching the indoor fan speed between L gt gt LL Dry operation does not occur when the room temperature is under 15 which is the monitor zone When the compressor stops the indoor fan stops as well 46 7 3 Automatic Switching between Cooling and Heating When AUTO mode is selected the microprocessor calculates the difference between the set temperature and the room temperature and automatically switches to COOLING or HEATING mode to maintain the desired temperature Room temp gt Set temp gt COOL Room temp lt Set temp gt HEAT This means that if the room temperature is higher than or equal to the set temperature COOLING operation begins If the room temperature is lower than the set temperature HEATING operation begins 7 4 Freeze Prevention Cooling This function prevents freezing of the indoor heat exchange coil When the compressor has been running for 10 min
24. Thermo OFF ON OFF ON ON ON OFF f settemp T C More than d minutes 5 minutes 3 minutes Room temp Compressor EXE o OFF Indoor fan Set speed The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at least 3 minutes To protect the compressor from stalling out when trying to start against the high side refrigerant pressure the control circuit has a built in automatic time delay to allow the internal pressure to equalize As a protective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation Thermo ON When the room temperature is above T 1 C T C is set temperature Compressor ON Thermo OFF When the room temperature is equal to or below set temperature T C Compressor gt OFF 44 Heating Room temperature control is obtained by cycling the compressor ON and OFF under control of the room temperature sensor in the remote control unit The room temperature and other information is transmitted every 3 minutes by the remote control unit to the controller in the indoor unit Signal from remote control unit More than 5 minutes minutes minutes 3 minutes minutes minutes 3 minutes Thermo Thermo Thermo Thermo ON OFF ON OFF pm M 5 minutes 5 minutes set temp T C 1 2 C Room temp OFF ON OFF 30
25. Unit AWR522HL Outdoor Unit AER522SH3 Power Source Voltage Rating 380 400 V 3N 50HzZ 400V Control Circuit 230 V 50 2 Cooling Heating kW 5 70 x 7 40 BTU h 19 500 25 300 Air circulation High m3 h Moisture removal High Liters h 2 7 Available voltage range 342 t to 418 Running 5 x Capacity Power input Power factor C O P Compressor locked rotor amperes x Controls Temperature control Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours amp Daily program 1 hour OFF Fan speeds Indoor Outdoor 3 and Auto Auto Hi Lo Horizontal Manual Airflow direction Indoor Vertical Auto Air filter Washable Compressor Rotary Hermetic Refrigerant Amount charged at shipment R407c Refrigerant control Capillary tube Indoor Hi Me Lo dB A 58 55 52 Outdoor Hi dB A 68 Refrigerant tubing connections Flare type Max allowable tubing length at shipment 7 5 Refrigerant tube Narrow tube in 6 35 1 4 diameter Wide tube in 15 88 5 8 Noise power level 3 Indoor Unit x Outdoor Unit Unit dimensions Height 285 x 835 x Width 995 850 Depth 206 305 Package dimensions Height 2 6 913 Width 1 070 1 000 Depth 363 400 Weight Net 12 0 x 70 0 Shipping 15 0 79 0 Shipping volume 0 11 0 37 DATA SUBJECT TO CHANGE WITHOUT NOTICE
26. of defrosting NOTE No LL fan operation during this period Indoor fan runs at set speed when temperature of indoor heat exchanger reads 36 C 50 B Defrosting Mode Timing Chart 32 seconds 11 minutes 32 seconds Compressor O OFF OFF ON Outdoor fan O OFF ON EI L Indoor fan Set speed Indoor heat P exch Zei temp 36 C s i 1 1 Release cold draft prevention NOTE sk 1 Refer to 5 6 Cold Draft Prevention 51 7 8 Outdoor Fan Speed Control Cooling and Dry Operation To optimize performance of the air conditioner the outdoor fan speed is switched automatically according to the outdoor temperature I the outdoor air temperature falls below the fan speed switches to LOW f the outdoor air temperature rises above AC the fan speed switches to HIGH This function does not become active in heating operation Outdoor air temperature C Outdoor fan speed Models AER518SH3 AER522SH3 52 8 REFRIGERANT R407C SPECIAL PRECAUTIONS WHEN SERVICING UNIT 8 1 Characteristics of new refrigerant R407C 8 1 1 What is new refrigerant R407C R407C is a new refrigerant that contains three types of non azeotropy type mixed refrigerant which does not adversely affect the Earth s ozone layer Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant R22 8 1 2 Components mixing proportions HFC32 2
27. oil for R407C No additional charge of compressor oil is permitted No use of refrigerant other than R407C Never use a refrigerant other than R407C If refrigerant R407C is exposed to fire Through welding etc toxic gas may be released when R407C refrigerant is exposed to fire Therefore be sure to provide ample ventilation during installation work Caution in case of R407C leak Check for possible leak points with the special leak detector for R407C If a leak occurs inside the room immediately provide thorough ventilation 53 8 3 Tools specifically for R407C For servicing use the following tools for R407C Tool Distinction Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Tools specifically for R407C Refrigerant recovery unit e Vacuum pump with anti reverse flow 1 Solenoid valve installed type which prevents oil from flowing back into the unit when the power is off is recommended e Vacuum pump 2 can be used if the following adapter is attached e Vacuum pump adapter reverse flow prevention adapter 23 Solenoid valve installed adapter attached to a conventional vacuum pump Electronic scale for charging refrigerant Flare tool Bender Tools which can be commonly Torque wrench used for R22 and R407C Cutter Reamer Welding machine nitrogen gas cylinder The above tools specifically for R407C must not be used for R22 Doing so will
28. other than R407C Also do not use oxygen or any flammable gas 3 Checking for sealing OK 4 Evacuation Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly 5 Recharging When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time of evacuation Length of tubing Less than 10 m More than 10 m More than 10 min More than 15 min 4 Evacuation OK 55 5 Recharging m Valve Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve The proper amount is listed on the unit s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation Never charge a large amount CAUTION of liquid refrigerant at once to the unit This may cause gt damage to the compressor Single valve Charge the liquid refrigerant When charged with a refrigerant cylinder use the WA in ne Fig 1 up side down position electronic scale for charging refrigerant In this case if the volume of refrigerant in the cylinder becomes less than 20 of the fully charged a
29. 0 DATA SUBJECT TO CHANGE WITHOUT NOTICE Indoor Unit AWR522HL x O gt c LL o C LL devices Operating temp x Run capacito Type Q ty Dia and length Fan motor model Q ty x No of poles Cool Heat rpm High x Nominal output x Coil resistance Ambient temp 20 C Type Close Model Rating Coil resistance Ambient temp 20 Rows Fin pitch x Face area POW K241GJH Microprocessor 250 V 3 15 A Cross flow 1 988 1746 UF2 31A5PA S 1 2 1 410 1 425 30 WHT BRN 130 4 WHT PNK 169 8 Thermal protector 190 8 Automatic reclosing 2 0 440 Stepping motor MP24GA2 DC 12V Each terminals 1 2 1 3 1 4 1 5 400 7 Aluminum plate fin Copper tube 2 1 3 0 250 DATA SUBJECT TO CHANGE WITHOUT NOTICE Outdoor Unit AER518SH3 Power source 380 400 V 50 Hz Control circuit 220 240 V 50 Hz Type Rotary Hermetic Compressor model C 2RN173H8A 80242088 Source 380 400 V 50 Hz Nominal output 1700 Compressor oil Amount FV68S 800 5 62 Coil resistance Ambient temp 25 C 5 5 5 62 Safety devices Type Internal protector External protector Overload relay HOE 10TB TH 7A Open 120 5 Close Automatic reclosing II Operating temp Operating amp Ambient temp 25 C Run capacitor
30. 237 83 4064 35 7013 48 6716 09 6344 35 5935 43 5526 52 25 2630 05 2515 73 2379 13 2230 43 2081 74 27 Se 30 8 92 2986 30 2850 00 2701 30 2552 61 29 SHC 3541 81 3469 57 3333 26 3184 57 3035 87 31 SHC 4046 78 3952 83 3804 13 3655 43 3519 13 TOTAL COOLING CAPACITY kW He SENSIBLE HEAT CAPACITY kW CM COMPRESSOR INPUT kW RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C D B INDOOR UNIT ENTERING AIR TEMP 27 D B 19 C W B 34 5 4 Heating Capacity Indoor Unit Outdoor Unit Heating capacity ratio AWR518HL FCR518HL AWR522HL FCR522HL AER518SH3 AER522SH3 J20 E 140 V c Outdoor temperature C D B 1 6 Point of Rating condition 2 Black dot in the chart indicate the following rating condition Indoor 20 C D B Outdoor 7 6 W B Above characteristics indicate instantaneous operation which does not take into account defrost operation Fan speed High Because this air conditioner heats a room by drawing in the heat of the outside air heat pump system the heating efficiency will fall off when the outdoor temperature is very low If sufficient heat cannot be obtained with this air conditioner use another heating appliance in conjunction with it 35 6 ELECTRICAL DATA 6 1 Electrical Characteristics Indoor Unit AWR518HL Outdoor Unit AER518SH3 COOLING Ind
31. 3 HFC125 25 HFC134a 52 8 1 3 Characteristics Less toxic more chemically stable refrigerant Composition of refrigerant R407C changes whether it is in gaseous phase or liquid phase Thus when there is a refrigerant leak the basic performance of the air conditioner may be degraded because of a change in composition of the remaining refrigerant Therefore do not add new refrigerant Instead recover the remaining refrigerant with the refrigerant recovery unit Then after evacuation totally recharge the specified amount of refrigerant with the new refrigerant at its normal mixed composition state liquid phase When refrigerant R407C is used the composition will differ depending on whether it is in gaseous or liquid phase and the basic performance of the air conditioner will be degraded if it is charged while the refrigerant is in gaseous state Thus always charge the refrigerant while it is in the liquid phase Ether type oil is used for the compressor oil for R407C type units which is N CAUTION different from the mineral oil used for R22 Thus more attention to moisture prevention and faster replacement work compared with conventional models are required 8 2 Checklist before servicing Tubing precautions Refrigerant R407C is more easily affected by dust or moisture compared with R22 thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation No addition of compressor
32. 3 0 116 2 551 Power Input kW 0 083 0 116 3300 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 Heating Performance at Rating Conditions Full Load Conditions Rating Conditions Outdoor Air Temperature 43 C DB Indoor Unit Outdoor Unit Complete Unit 230 V 50Hz 400 V 3N 50Hz Indoor Air Temperature 20 DB Outdoor Air Temperature 7 DB 6 WB Full Load Conditions Indoor Air Temperature 27 DB Outdoor Air Temperature 24 C DB 18 C WB 39 6 2 Electric Wiring Diagrams To avoid electrical shock hazard be Indoor Unit AWR518HL sure to disconnect power before AWR522HL WARNING checking servicing and or cleaning any electrical parts FROM OUTDOOR UNIT IR POWER TRANSFORMER GRN TEL 1 Hote IC EIEI3P WHT Wi un x COIL THERMISTOR BLK MEE T ka Bk EE L ROOM THERMISTOR 40 Indoor unit FCR518HL FCR522HL TERMINAL PLATE 2 e 69 9 D WHT FAN MOTOR To avoid electrical shock hazard be sure to WENN NTEN disconnect power before checking servicing and or cleaning any electrical parts THERMISTOR COIL TH1 ROOM TH2 11215 415 51718 9 1112 5 4 5 7 8 9 21351415151 112151 3P 215141516 1 2 3 CONECTOR LAMP SWITCH ASSY ASSY
33. 4 26 29 5 18 4 62 31 5 56 4 62 TC 6 02 573 539 496 cm 222 em 21 SHC 23 25 27 TC 6 41 6 10 5 73 5 28 CM 2 29 2 45 2 70 3 05 19 TC 6 79 6 47 6 08 5 59 CM 2 35 2 52 2 78 3 13 21 TC TC 7 19 6 79 6 36 5 91 SHG SHG SHG SHG Total Cooling Capacity kW SHC Sensible Heat Capacity kW CM Compressor Input kW Rating conditions Mark are Outdoor Ambient Temp 35 C Indoor Unit Entering Air Temp 27 19C W B 32 Indoor Unit FCR518HL Outdoor Unit AER518SH3 400V 3N 50Hz RATING CAPACITY 4 8 kW AIR FLOW RATE 800 m h EN TEL CONDENSER ENT TEMP OUTDOOR AMBIENT TEMP ws bel 1 77 1 89 2 03 2 23 2 43 21 23 25 27 29 31 ___ cu te 2 22 CM 1 81 1 94 2 08 2 29 2 49 21 SHC 23 25 27 29 31 TC 5 22 5 04 4 80 4 51 4 15 om so 20 215 25 21 SHC x 23 25 27 29 31 a 1 94 2 06 2 22 2 43 2 64 23 25 27 29 31 1 98 2 11 2 27 2 48 2 70 25 SHC 27 SHC 29 SHC 31 SHC TOTAL COOLING CAPACITY kW SENSIBLE HEAT CAPACITY kW CM COMPRESSOR INPUT kW RATING CONDITIONS OUTDOOR AMBIENT TEMPERATURE 35 C INDOOR UNIT ENTERING AIR TEMP 27 D B 19 C W B Indoor Unit FCR522HL Outdoor Unit AER522SH3 400V 3N 50Hz RATING CAPACITY 5 7 kW AIR FLOW RATE 900 m h BEEN CONDENSER ENT TEMP OUTDOOR AMBIENT TEMP C 25 35
34. FF LB64012 Coil V26 110D Valve AC 220 240V 50Hz 6W 1 740 7 ACB 1B29 25 1 20 1 5 high gt LOW 28 5 1 low gt HIGH Sl Geel 3 DIMENSIONAL DATA Indoor Unit FCR518HL FCR522HL 680 Center of tubing hole 75 4 places Wide tube 212 7 1 2 FCR518 Wide tube 215 88 5 8 Q FCR522 Narrow tube 26 35 1 4 Drain hose 226 Remote control unit 172 5 Dimensions mm Indoor Unit AWR518HL AWR522HL LU C LII LI j L j J Center of tubing hole 2 places Drain hose 18 Narrow tube 6 35 1 4 Wide tube 212 7 1 2 AWR518 Wide tube 215 88 5 8 AWR522 Unit mm 17 146 538 X Air intake AER518SH3 Outdoor Unit 9 gt gt D 2 E 5 nes te BX o N o 5 Sel Z LEE LOE N Q B 5 o Be D 5 EEE EEE EEE EEE EEE HTT HHH Unit mm 18 Outdoor Unit AER522SH3 Air intake 20 LO N 20 discharge D 130 620 100 6 3 1 holes Wide tube service valve 15 88 5 8 Narrow tube service valve 6 35 1 4 285 Unit mm 19 4 REFRIGERANT FLOW DIAGRAM Indoor Unit AWR518HL FCR518HL Outdoor Unit AER518SH3 Indoor Unit Outdoor Unit service 9 Wide tube valve E Capillary tube Service valve ID AAA 0 D Strainer Check Capillar
35. OK 5 Evacuation OK 6 Recharging Length of tubing Less than 10 m More than 10 m More than 10 min More than 15 min 57 6 Recharging Valve Be sure to charge the specified amount of refrigerant in liquid state using the service port of wide tube service valve The proper amount is listed on the unit s nameplate When the entire amount cannot be charged all at once charge gradually while operating the unit in Cooling Operation Never charge a large amount CAUTION of liquid refrigerant at once to the unit This may cause N damage to the compressor Single valve Charge the liquid refrigerant When charged with a refrigerant cylinder use the with the cylinder in the Fig 4 electronic scale for charging refrigerant In this case if up side down position the volume of refrigerant in the cylinder becomes less than 20 of the fully charged amount the composition of the refrigerant starts to change Thus do not use the refrigerant if the amount in the refrigerant vane cylinder is less than 20 Also charge the minimum necessary amount to the cylinder before using it for charging the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 x 0 20 2 76Kg Single valve with siphon tube For the remaining refrigerant refer to the instructions Charge with
36. Power Input kW 0 078 0 120 2 802 3 000 Ful Load Conditions Running Amps os 58 Power Input kW 0 078 0 120 3 460 3 660 Rating Conditions Indoor Air Temperature 20 D B Outdoor Air Temperature 7 6 C W B Full Load Conditions Indoor Air Temperature 27 D B Outdoor Air Temperature 24 CD B 18 CT W B 37 Indoor Unit FCR518HL Outdoor Unit AER518SH3 Cooling Complete Unit Running Amps A 0 33 0 40 397 4 0 Rating Conditions Power Input kW 0 071 0 082 1 997 Full Load Conditions Power Input kW 0 071 0 082 2 447 Rating Conditions Indoor Air Temperature 27 DB 19 WB Outdoor Air Temperature 35 DB Full Load Conditions Indoor Air Temperature 32 DB 23 WB Outdoor Air Temperature 43 DB Heating Indoor Unit Outdoor Unit Complete Unit Performance at 230 V 50Hz 400 50Hz Rating Conditions Power Input kW 0 071 0 082 2 097 Full Load Conditions Power Input kW 0 071 0 082 2 297 Rating Conditions Indoor Air Temperature 20 C DB Outdoor Air Temperature 7 C DB 6 WB Full Load Conditions Indoor Air Temperature 27 C DB Outdoor Air Temperature 24 C DB 18 C WB 38 Indoor Unit FCR522HL Outdoor Unit AER522SH3 Cooling Performance at Rating Conditions Full Load Conditions Rating Conditions Indoor Unit Outdoor Unit Complete Unit 230 V 50Hz 400 V 3N 50Hz 3 Power Input kW 0 08
37. TECHNICAL DATA amp SERVICE MANUAL eT TTT TT EEN HHHHIIIIIIIIIIIIIIIIIII OENE EE EEE EEE EL co TI 5 N T ES lt o 200 528 BEE O lt lt CC cT z i E vn jan 5 EL S 2 E B gt D N c CN o LO 2 iD d ob d co o Se z tO LL LO LO mmm e x oe lt o D lt 02 2001 0 8180 144 0 Important Please Read Before Starting This air conditioning system meets strict safety and operating standards As the installer or service person it is an important part of your job to install or service the system so it operates safely and efficiently For safe installation and trouble free operation you must Carefully read this instruction booklet before beginning Follow each installation or repair step exactly as shown Observe all local state and national electrical codes Pay close attention to all warning and caution notices given in this manual This symbol refers to a hazard or unsafe practice which can result N 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
38. at used refrigerant R22 with a R407C unit do not use its existing tubing Instead completely new tubing must be used 60 9 TROUBLESHOOTING 9 1 Check before and after troubleshooting WON K Hazardous voltage can cause ELECTRIC SHOCK or DEATH Disconnect power or turn off circuit breaker before you start checking or servicing 9 1 1 Check inter unit wiring Check that inter unit wiring is correctly connected to the indoor unit from the outdoor unit 9 1 2 Check power supply Check that voltage is in specified range 10 of the rating Check that power is being supplied SEE NEXT PAGE FOR THREE PHASE MODELS 9 1 3 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly connected Check that wiring is correct 61 9 1 4 Check power supply wiring Check that power supply wires are correctly connected to terminals L1 L2 L3 and N on the terminal plate in the outdoor unit Inter unit Outdoor power wiring Indoor unit unit A L Ule E Ground L1 Power supply 2 Inter unit 380 V 400 V control wiring 3N 50Hz N Ground L1 380V 400V L2 380V 400V 380V 400V 220V 230V L3 62 9 2 Air conditioner does not operate 9 2 1 Circuit breaker trips or fuse blows A When the circuit breaker is set to ON it is trippe
39. d soon Resetting is not possible There is a possibility of ground fault Check insulation resistance If resistance value is 2M2 or less insulation is defective D Outdoor D 2 Indoor unit unit Inter unit wiring 1 X x 1 2 gt X 2 X 4 x x 4 5x x 5 P 6 gt x 6 ower supply wiring q X 7 L1 X LI L2 Circuit X L2 La breaker x L3 gt N zE Ground Set circuit breaker to OFF 1 Remove both power supply wires and inter unit wires from terminal NO Insulation of plate in outdoor unit e Measure insulation resistance of outdoor unit outdoor unit IS defective e Measure insulation resistance of electrical parts in outdoor unit 2 Remove inter unit wires from NO Insulation of terminal plate in indoor unit e Measure insulation resistance of indoor unit indoor unit is defective e Measure insulation resistance of electrical parts in indoor unit 63 B Circuit breaker trips in several minutes after turning the air conditioner on There is a possibility of short circuit Check capacity of circuit breaker Replace with suitable one larger capacity Capacity of circuit breaker is suitable In case of Heating operation Measure resistance of outdoor fan Measure resistance of 4 way valve s motor winding winding Measure resistance of compre
40. iling or Wall Make sure the ceiling wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support In a Room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to walls and floors In Moist or Uneven Locations Use a raised concrete pad or concrete blocks to provide a solid level foundation for the outdoor unit This prevents water damage and abnormal vibration In an Area with High Winds Securely anchor the outdoor unit down with bolts and a metal frame Provide a suitable air baffle a Snowy Area for Heat Pump type Systems Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents When Connecting Refrigerant Tubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection e Check carefully for leaks before starting the test run When Servicing e Turn the power off at the main power box mains before opening the unit to check or repair electrical parts and wiring Keep your fingers and clothing away from any moving parts Clean up the site after you finish remembering to check that no metal scraps or bits of wiring have been left inside the unit being serviced
41. 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 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 90000090000009090000000000000900000090000000900000909000000000000009000000090000090000000000000090000000090000000900000099090 In a Ce
42. mount the composition of the refrigerant starts to change Thus do not use m Valve the refrigerant if the amount in the refrigerant cylinder is less than 2096 Also charge the minimum necessary amount to the cylinder before using it for charging the air conditioning unit Example In case of charging refrigerant to a unit requiring 0 76Kg using a capacity of 10Kg cylinder the minimum necessary amount for the cylinder is 0 76 10 x 0 20 2 76Kg Single valve with siphon tube For the remaining refrigerant refer to the Charge with the cylinder in the Fia 2 instructions of the refrigerant manufacturer normal position 9 If using a charging cylinder transfer the specified Configurations and characteristics of cylinders amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare an evacuated charging cylinder beforehand To prevent the composition of R407C from changing Charging never bleed the refrigerant cylinder gas into the atmosphere while transferring the refrigerant Fig 3 Do not use the refrigerant if the amount in the charging cylinder is less than 20 lt Ope Refrigerant cylinder Fig 3 56 8 6 In case refrigerant is leaking Never attempt to charge additional refrigerant when refrigerant has been leaking CAUTION from the unit Follow the procedure described below to locate points of leaks and carry out repairs then recharge the refrigeran
43. netic Contactor MG Magnetic contactor Coil rating Coil resistance Q at 25 Contact rating Main Thermal relay Overcurrent relay Operating amperes Negative Phase Relay 47C Rating Contact rating Operation Relay PR Coil rating Coil resistance Q at 20 Contact rating 4 way Valve SC Coil rating Coil resistance Q at 20 Thermostat Defrost thermo 23D Operating temp C Thermostat Fan Speed Control 23S Switching temp C Contact rating 14 HOE 10TB TH 5A 220 240 50Hz 240 260V 60Hz 1 260 10 AC 440V 8A 5A RDR S400 AC 415V 3 phase 50Hz AC 400V 1A Positive phase ON Negative phase OFF MY2 TSDF DC 24V 650 10 AC 200V 5A LB64012 Coil V26 110B Valve AC 220 240V 50Hz 6W 1 740 7 TRS02 12MSR ON 12 42 Diff 8 deg below MQT5S 27YZJ high gt LOW 28 520 1 5 low gt HIGH 220V Outdoor Unit AER522SH3 Electro Magnetic Contactor MG Magnetic Contactor Coil rating Coil resistance Q at 25 Contact rating Main Thermal relay Overcurrent relay Operating amperes Negative Phase Relay 47C Rating Contact rating Operation 4 way Valve 20S Coil rating Coil resistance Q at 20 High pressure switch HPS 15 HOE 10TB TH 7A AC 220 240 50Hz 240 260 60Hz 1 260 10 AC 440V 8A 7A RDR S400 AC 415V 3 phase 50Hz AC 400V 1A Positive phase ON Negative phase O
44. oor Unit Outdoor Unit Complete Unit EV ag 400 V BN SOF Rating Condtons RumgAmps A 38 Power Input kW 0 072 0 093 2 002 Full Load Conditions Running Amps A 38 4 Power Input kW 0 072 0 093 2 398 Rating Conditions Indoor Air Temperature 27 C D B 19 C W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 D B 23 C W B Outdoor Air Temperature 43 D B HEATING Indoor Unit Outdoor Unit Complete Unit 2807 50H 400V SN 50 gt Rating Conditions Running Amps A Power Input KW Full Load Conditions Running Amps A Power put KW Rating Conditions Indoor Air Temperature 20 D B Outdoor Air Temperature 7 C 6 C W B Full Load Conditions Indoor Air Temperature 27 C D B Outdoor Air Temperature 24 CD B 18 CW B 36 Indoor Unit AWR522HL Outdoor Unit AER522SH3 COOLING Indoor Unit Outdoor Unit Complete Unit Performance gt at 230V 50Hz 400V 3N 50Hz GE Power Input kW 0 078 0 120 2 552 2 750 Ful Load Conditons Running Amps A Power Input kW 0 078 0 120 3 102 3 300 Rating Conditions Indoor Air Temperature 27 19 W B Outdoor Air Temperature 35 C D B Full Load Conditions Indoor Air Temperature 32 D B 23 C W B Outdoor Air Temperature 43 D B HEATING Indoor Unit Outdoor Unit Complete Unit Performance gt at 230V 50Hz 400 3N 50Hz Rai Cos S
45. otor winding FLP Measure resistance of either power relay or magnetic contactor PR or MG e Replace the fuse Press TIMER SELECT button to select NORM When the timer has been canceled there is no display 9 2 3 Only outdoor unit does not run A Check setting temperature COOL HEAT Is room temperature too low Is room temperature too high NO NO Try to lower setting temperature by temperature setting button cooler Try to raise setting temperature by temperature setting button warmer Outdoor unit still does Outdoor unit still does hot run hot run Y Try to run using another remote Try to run using another remote control unit control unit OK OK Remote control unit is defective Remote control unit is defective B Check PCB ASS y in either indoor or outdoor unit Check voltage between terminals No 4 and No 5 at terminal plate Outdoor PCB Ass y is defective DC 24V No voltage appears Indoor PCB Ass y is defective 65 C Check other component Check negative phase YES relay 47C to see if it has gt Rewire power supply wires operated Check magnetic contactor Check relay PR x MG e Check thermal relay 51C to see if it has operated YES YES e Check power supply voltage Contact power utility company Voltage is abnormally low to have power voltage restored to normal
46. rks Rating conditions are Cooling Indoor air temperature 27 DB 19 WB Outdoor air temperature 35 DB 24 WB Heating Indoor air temperature 20 DB Outdoor air temperature 7 DB 6 WB 2 Indoor Unit FCR522HL Outdoor Unit AER522SH3 380 400 V 3N 50 Hz Voltage ratinc V Control circuit 230 V 50 Hz ee GAN ANGKA EE rr anaa aaa 5 70 7 40 Capacity 19 500 25 200 900 KETTER MMe 3 0 342 to 418 KETTER CECR KEE EH KC e ZECHES ECHTER EENHEETEN CHEN KEE EECH R Kennnnn dannsonnnlllnennnnnlvu
47. second Max 10minutes 30 seconds Indoor fan Set Setspeed E Set speed Standby lamp ED Sa Indoor heat exch coil temp 36 Outdoor fan 1 Solenoid coil 4 way valve ON Reversing cycle Operation button OFF ON The control circuit will not attempt to turn the compressor ON until the compressor has been OFF for at least 5 minutes To protect the compressor from stalling out when trying to start against the high side refrigerant pressure the control circuit has a built in automatic time delay to allow the internal pressure to equalize As a protective measure the control circuit switches the compressor OFF after 5 minutes or more of compressor operation Thermo ON When the room temperature is below T 1 C T C is set temperature Compressor gt ON Thermo OFF When the room temperature is equal to or above set temperature T C Compressor gt OFF NOTE 51 Refer to 5 6 Cold Draft Prevention 45 7 2 Dry Operation Dehumidification Dry operation uses the ability of the cooling cycle to remove moisture from the air but by running at low level to dehumidify without greatly reducing the room temperature The air conditioner repeats the cycle of turning ON and OFF automatically as shown in the chart below according to the room temperature Room temp Cooling operation
48. ssor motor winding Measure coil resistance of magnetic contactor MG 9 2 2 Neither indoor nor outdoor unit runs A Power is not supplied Circuit breaker is tripped Reset breaker Check power supply Power is being supplied to the outdoor unit Wait for recovery or contact power company B Check OPERATION selector switch in the indoor unit OPERATION selector switch is set WES Switch Ass y or indoor PCB Ass y in ON position is defective NO Y Set OPERATION selector switch to ON 64 C Check remote control unit Try to run with another remote control unit OK First remote control unit is defective Check for residue buildup on transmitter of remote control unit Check for residue buildup on remote control receiver on front of indoor Clean transmitter unit D Check fuse on the indoor PCB Ass y If fuse has been blown Check fuse on indoor PCB Ass y for continuity F OK Check operation lamp to see if light is ON Light is OFF Measure resistance of primary and secondary winding of transformer TR e Indoor PCB Ass y or switch Ass y is defective E Check TIMER on the remote control unit Timer is turned ON Check to see YES if ON is displayed on remote control 64 Clean receiver Measure resistance of indoor and outdoor fan motor winding FMI FMO Measure resistance of flap m
49. t 1 Detecting Leaks Use the detector for R407C to locate refrigerant leak points 2 Recovering refrigerant Never release the gas to the atmosphere recover residual refrigerant using the refrigerant recovery unit for R407C instead Do not reuse the recovered refrigerant because its composition will have been altered 3 Welding leaking points Confirm again that no residual refrigerant exists in the unit before starting welding Weld securely using flux and wax for 407 Prevent oxide film from forming inside the tubes utilizing substitution with nitrogen N2 in the refrigerant circuit of the unit Leave ends of tubes open during welding 4 Checking for sealing Use nitrogen gas for the pressurized gas and never use a refrigerant other than R407C Also do not use oxygen or any flammable gas 5 Evacuation Use a solenoid valve installed vacuum pump so that even if power is cut off in the middle of evacuation of air due to a power interruption the valve will prevent the pump oil from flowing back The equipment may be damaged if moisture remains in the tubing thus carry out the evacuation thoroughly e When using a vacuum pump with exhaust air volume more than 25L min and ultimate vacuum pressure rate of 0 05Torr Standard time of evacuation 1 Detecting leaks OK 2 Recovering refrigerant OK 3 Welding leaking points OK 4 Checking for sealing
50. the cylinder in the Fig 5 of the refrigerant manufacturer normal position Configurations and characteristics of cylinders f using a charging cylinder transfer the specified amount of liquid refrigerant from the refrigerant cylinder to the charging cylinder Prepare evacuated charging cylinder beforehand FA N O a J To prevent the composition TS of R407C from changing We cylinder never bleed the refrigerant gas into the atmosphere while transferring the refrigerant Fig 6 Do not use the refrigerant if the amount in the charging cylinder is less than 20 Refrigerant cylinder Fig 6 58 8 7 Charging additional refrigerant 8 7 1 When tubes are extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit Charge additional refrigerant in liquid state Never charge additional refrigerant if refrigerant is leaking from the unit Follow N CAUTION instructions given in 10 6 In case refrigerant is leaking and completely carry out repairs Only then should you recharge the refrigerant 6 8 Retro fitting existing systems 8 8 1 Use of existing units Never use new refrigerant R407C for existing units which use R22 This will cause the air conditioner to operate improperly and may result in a hazardous condition 6 8 2 Use of existing tubing f replacing an older unit th
51. utes or more and the temperature of the indoor heat exchange coil falls below 1 the control circuit stops the compressor for at least 6 minutes The compressor does not start again until the temperature rises above 8 or 6 minutes has elapsed Thermo OFF Room temp Thermo ON ww I T 1 Z Set temp T C More than Indoor heat exch 6 minutes coil temp 1 More than 10 minutes eee ed o ON Compressor ON OFF ON Indoor fan Set speed 47 7 5 Overload Prevention Heating This function prevents overheating of the indoor heat exchange coil For FCR518HL AWR518HL FCR522HL AWR522HL When the temperature of the indoor heat exchange coil rises above 59 C and if the indoor fan is L low speed then the fan speed changes from L low speed to M medium speed When the temperature of the indoor heat exchange coil rises above 61 C the outdoor fan stops Keser exch coll 52 lt Ln i Outdoor fan oe ON Compressor ON 48 7 6 Cold draft Prevention Heating This function controls indoor fan speed so a strong draft of cold air will not blow out before the indoor heat exchange coil have sufficiently warmed up STANDBY lamp on front of the indoor unit lights up when this function is working when 10 minutes has elapsed the fan speed is automatically switched to set speed regardless of indoor heat exchange coil temperature
52. y DE 35mm valve tube 1747 C AN Check port a ompressor Heat exchanger Cooling cycle _ Heating cycle 4 20 Indoor Unit AWR522HL FCR522HL Outdoor Unit AER522SH3 Indoor Unit Outdoor Unit Capillary for liquid injection t e Accumulator Service p m S 5 Wide Ti valve Accumulator Heat exchanger mem Heat exchanger Capillary tube Narrow tube Service V 7 val zc dip 0 0 Strainer Check Capillary 35mm valve tube 1 4 Cooling cycle a 21 Insulation of Refrigerant Tubing IMPORTANT Because capillary tubing is used in the outdoor unit both the wide and narrow tubes of this air conditioner become cold To prevent heat loss and wet floors due to dripping of condensation both tubes must be well insulated with a proper insulation material The thickness of the insulation Insulation should be a min 8 mm IN Thickness Thickness Min 8 mm Min 8 mm After a tube has been insulated never try to bend it into a narrow CAUTION curve because it can cause the tube Kata be to break or crack Wide tube 22 5 PERFORMANCE DATA 5 1 AIR THROW DISTANCE CHART Indoor Unit FCR518HL B Floor mounted ES Room air temp 27 Fan speed High V a EE oS D gt O di m x O lt gt Horizontal distance
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