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TECHNICAL DATA  & SERVICE MANUAL 

 

Outdoor  Unit 

Indoor Unit 

AER518DH 

AWR509DHL (X2) 

 

 

 

 

 

 
 

MULTI-SPLIT SYSTEM AIR CONDITIONER 

 
 

 
 
 
 
 
 
 

Indoor Unit                                                          Outdoor  Unit 

 
 
 
 

                          

    

                                                                                                    

                                                                                    

          

                                             

 

 

                                                                        

 

 

 
 
                                                                                                               
 

AFR509DHL

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

0.8180.141.0         03/2001

 

 

 
 
                                                                                                               
 

AER518DH

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 
 
                                                                                                               
 

AWR509DHL

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 
 
                                                                                                               
 

AFR509DHL (X2)

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

®

Summary of Contents for Euro-Line AER518DH

Page 1: ...TECHNICAL DATA SERVICE MANUAL Outdoor Unit Indoor Unit AER518DH AWR509DHL X2 MULTI SPLIT SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit AFR509DHL 0 8180 141 0 03 2001 AER518DH AWR509DHL AFR509DHL X2...

Page 2: ...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 co...

Page 3: ...l 26 10 2 Dry Operation 28 10 3 Freeze prevention 29 10 4 Overload prevention 29 10 5 Cold draft prevention 30 10 6 Defrosting operation 31 11 REFRIGERANT R407C SPECIAL PRECAUTION WHEN SERVICING UNIT...

Page 4: ...LECTRICAL COMPONENTS 50 14 CHECKING ELECTRICAL COMPONENTS 14 1 Measurement of insulation Resistance 51 14 2 Checking Continuity of Fuse on PCB Ass y 52 14 3 Checking Motor Capacitor 52 APPENDIX INSTRU...

Page 5: ...t Combination Combine indoor and outdoor units only as listed below Indoor Unit Outdoor Unit A B Refer to Outdoor Unit Symbol of Indoor Unit AER518DH A Indoor Unit AWR AFR509DHL B Fig 1 AWR AFR509DHL...

Page 6: ...ING RANGE Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Cooling Maximum 32 C DB 23 C WB 43 C DB Minimum 19 C DB 14 C WB 19 C DB Heating Maximum 27 C DB 24 C DB 18 C WB Minimum 16 C DB 8 C...

Page 7: ...e control unit Timer 1 hour OFF 12 hour ON or OFF Fan speeds Indoor Outdoor 3 and Auto 1 Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermet...

Page 8: ...1 hour OFF 12 hour ON or OFF Fan speeds Indoor Outdoor 3 and Auto 1 Airflow direction Indoor Horizontal Manual Vertical Manual Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amo...

Page 9: ...1 hour OFF 12 hour ON or OFF Fan speeds Indoor Outdoor 3 and Auto 1 Airflow direction Indoor Horizontal Manual Vertical Auto Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amoun...

Page 10: ...hour OFF 12 hour ON or OFF Fan speeds Indoor Outdoor 3 and Auto 1 Airflow direction Indoor Horizontal Manual Vertical Manual Air filter Washable Anti Mold Compressor Rotary Hermetic Refrigerant Amoun...

Page 11: ...4 1190 Nominal output W 10 Coil resistance Ambient temp 20 C WHT BRN 561 8 WHT VLT 197 4 VLT ORG 63 4 ORG YEL 155 7 YEL PNK 115 9 Safety Type Internal thermal fuse devices Operating temp Open C 145 2...

Page 12: ...10 Fan motor model Q ty KR35406M01527 1 No of poles rpm 230 V High 4 1 130 Nominal output W 27 Coil resistance Ambient temp 20 C GRY WHT 545 630 WHT VLT 192 105 VLT YEL 62 71 YEL BRN 780 900 Safety de...

Page 13: ...p Ambient temp 25 C Trip in 6 to 16 sec at 16 5 A Run capacitor F 25 2 Number VAC 450 2 Type Propeller Number Dia mm 1 400 Fan motor model Number SG6 51B5P 1 No of poles rpm 230 V High 6 910 Nominal o...

Page 14: ...T TK5131B Resistance k 0 C 15 0 2 Thermistor Room sensor DTN TKS106E Resistance k 25 C 5 0 3 Outdoor Unit AER518DH Power Relay PRA PRB DFU24D1 F M Coil rating DC 24V Coil resistance at 20 C 650 10 Con...

Page 15: ...e at 21 C Primary WHT WHT 205 10 Secondary BRN BRN 2 0 10 Thermal cut off temp 150 C Thermistor Coil sensor TH1 DHPBC 41ES 14N Resistance k 20 C 40 1 5 10 C 24 4 5 0 C 15 3 5 10 C 9 9 5 Thermistor Roo...

Page 16: ...IMENSIONAL DATA Indoor Unit AWR509DHL 58 5 99 5 805 177 41 0 41 0 270 Narrow tube 6 35 1 4 Wide tube 9 52 3 8 AWR509DHL Center of tubing hole 2 places Drain hose 18 Remote control unit 18 5 61 172 5 U...

Page 17: ...58 337 307 630 19 Narrow tube service valve 6 35 1 4 1 Wide tube service valve 9 52 3 8 2 305 830 4 12 holes Air discharge Air intake 538 146 2 Magnified illustration 3 1 To Indoor Unit B To Indoor U...

Page 18: ...0 93 1 00 1 10 1 19 21 SHC 1 21 1 18 1 12 1 05 0 98 23 SHC 1 43 1 39 1 34 1 27 1 19 19 25 SHC 1 64 1 60 1 55 1 49 1 40 27 SHC 1 85 1 82 1 76 1 70 1 62 29 SHC 2 05 2 03 1 97 1 91 1 83 31 SHC 2 27 2 25...

Page 19: ...30 40 50 60 70 80 90 100 110 120 Heating capacity ratio NOTE 1 Point of Rating condition Black dot in the chart indicate the following rating condition Indoor 20 C DB Outdoor 7 C DB 6 C WB 2 Above ch...

Page 20: ...Vertical distance m Axis air velocity Flap angle 45 60 Room air temp 20 C Fan speed High Heating 0 1 2 3 4 5 6 7 8 9 1 2 3 4 Horizontal distance m Axis air velocity m s Vertical distance m Axis air ve...

Page 21: ...ffler Accumulator Compressor A 4 Way valve 4 Way valve Drier Check valve Strainer Heat exchanger Narrow tube O D 6 35mm 1 4 Wide tube O D 9 52mm 3 8 Muffler Accumulator Compressor B Wide Tube Service...

Page 22: ...Narrow Tube Service valve Capillary tube Drier Drier 4 Way valve 4 Way valve Insulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of condensation water both the wide a...

Page 23: ...r Temperature 43 C DB Number of indoor unit 1 Unit 2 Units Either A or B Both A and B Rating Conditions Running amp A 4 6 9 3 Power input kW 1 0 2 15 Full Load Conditions Running amp A 5 4 10 8 Power...

Page 24: ...8 2 Electric Wiring Diagram 19 Indoor Unit AWR509DHL...

Page 25: ...Indoor Unit AFR509DHL 20...

Page 26: ...Outdoor Unit AER518DH 21...

Page 27: ...ll Mounted Type Front View Fig 2a WARNING Minimum height from floor level 1 5m Indoor Unit Wall Floor level For stable operation of the air conditioner do not install wall mounted type indoor units un...

Page 28: ...o reduce humidity and protect the unit against possible water damage and decreased service life Fig 5a use lug bolts or equal to bolt down unit reducing vibra tion and noise Outdoor Unit Outdoor unit...

Page 29: ...t position 3 After confirming correct operation use a screwdriver to screw the supplied special mounting screw into the wall Fig 6a 4 Hang the remote control unit from the mounting screw b Non removab...

Page 30: ...egula tions when carrying out the installation Table 2 lists recommended wire lengths and size for power supply systems Refer to the WIRING SYSTEM DIAGRAM for the meaning of A B and C in Table 2 NOTE...

Page 31: ...erant 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 minute...

Page 32: ...tive 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 ON The...

Page 33: ...e Both the indoor and outdoor units stop Room temp 15 C Dry A1 zone Compressor FMI indoor fan Continuous operation L low speed LL very low speed intermittent ventilation only while the compressor is O...

Page 34: ...overheating of the indoor heat exchange coil When the temperature of the indoor heat exchange coil rises above 54 C and if the indoor fan is L low speed then the fan speed changes from L low speed to...

Page 35: ...out before the indoor heat exchange coil have sufficiently warmed up STANDBY lamp on front of the indoor unit lights up when the indoor fan speed is either LL or OFF 30 LL Very low speed Initial star...

Page 36: ...eg 6 min or more and repeats 3 times continuously Heating operation 20 minutes masking 6 minutes masking Temperature in outdoor heat exchanger coil falls to 14 C or lower Preparation for defrosting Te...

Page 37: ...FF OFF 30 sec ON ON ON 5 sec 5 sec ON ON ON ON 5 sec ON ON OFF OFF OFF OFF OFF 1 min Defrosting 13 5 min or outdoor coil temp 26 C 65 sec 65 sec ON Standby lamp A Indoor fan A Outdoor fan 4 way valve...

Page 38: ...mposition 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...

Page 39: ...stallation procedures refer to the installation manuals attached to the indoor unit and outdoor unit 34 Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder C...

Page 40: ...quickly 3 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 4 Evacuation Use a solenoid valve inst...

Page 41: ...f 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 re...

Page 42: ...ubes 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 us...

Page 43: ...ing 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 76K...

Page 44: ...s given in 11 6 In case refrigerant is leaking and completely carry out repairs Only then should you recharge the refrigerant 11 8 Retro fitting existing systems 101 8 1 Use of existing units Never us...

Page 45: ...er is being supplied 12 1 4 Check lead wires and connectors in indoor and outdoor units Check that coating of lead wires is not damaged Check that lead wires and connectors are firmly con nected Check...

Page 46: ...stance of electrical parts in outdoor unit NO NO Set circuit breaker to OFF Measure insulation resistance of electrical parts in indoor unit 1 Remove both power supply wires and inter unit wires from...

Page 47: ...re Reset breaker Wait for recovery or contact power company YES NO OPERATION selector switch is set in ON position Set OPERATION selector switch to ON Switch Ass y or indoor PCB Ass y is defective OK...

Page 48: ...e if light is ON Light is OFF Measure resistance of primary and secondary winding of transformer TR Indoor PCB Ass y or switch Ass y is defective OK Measure resistance of indoor fan motor winding FMI...

Page 49: ...un Remote control unit is defective Try to run using another remote control unit COOL OK NO Is room temperature too high Try to raise setting temperature by temperature setting button warmer Outdoor u...

Page 50: ...out or foreign matter in bearings Remove foreign matter or repair Repair or replace Measure resistance of indoor fan motor winding Check fan motor capacitor Fan cannot be turned Check fan casing for f...

Page 51: ...otor winding NO Check compressor motor capacitor YES YES YES Overload relay is working Refrigerant gas shortage Charge refrigerant gas R407c Temperature of compressor is abnormally high Rotor may be l...

Page 52: ...will switch to cooling or drying operation Example Unit A in heating mode Unit B in cooling or drying mode Unit A in heating mode Heating operation takes precedence Unit B fan operating If the units a...

Page 53: ...te both wide and narrow tubes separately and then tape together Measure temperature of suction and discharge air of air conditioner Charge refrigerant gas R407c Check for clogging of air filter Fan sp...

Page 54: ...high room temperature a In Cooling mode The air conditioner continues to operate Thermo ON Both the outdoor fan and compressor do not stop As a result the room becomes too cold b In Heating mode The a...

Page 55: ...13 ARRANGEMENT OF ELECTRICAL COMPONENT Outdoor Unit AER518DH 50...

Page 56: ...t of the unit with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on each terminal screw where power supply lines are connected on the terminal plate F...

Page 57: ...insert a fuse of the same rating and solder it Allow time to radiate heat during soldering so that the fuse does not melt 14 3 Checking Motor Capacitor Remove the lead wires from the capacitor termina...

Page 58: ...Printed in italy Via Varese 90 21013 Gallarate Va Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima it...

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