Argo AWI726HL Technical Data & Service Manual Download Page 1

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TECHNICAL DATA
& SERVICE MANUAL

INDOOR UNIT:

AWI726HL(I)
AWI735HL(I)
REF09HI
REF12HI

SPLIT SYSTEM AIR CONDITIONER

Model No.

Product Code No.

AWI726HL(I)

38.7004.070

0.8180.

559

.00 july 2008

AWI735HL(I)

38.7004.071

REF09HI

38.7004.072

REF12HI

38.7004.073

Summary of Contents for AWI726HL

Page 1: ...E MANUAL INDOOR UNIT AWI726HL I AWI735HL I REF09HI REF12HI SPLIT SYSTEM AIR CONDITIONER Model No Product Code No AWI726HL I 38 7004 070 0 8180 559 00 july 2008 AWI735HL I 38 7004 071 REF09HI 38 7004 072 REF12HI 38 7004 073 ...

Page 2: ...ring to touch the refrigerant tubing compressor or any moving parts of the fan Do not use multi core cable when wiring the power supply and control lines Use separate cables for each type of line 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 aluminium fins...

Page 3: ... 5 12 I Feel Function 21 5 13 Hi Power mode 21 5 14 Night Function 22 5 15 Leds off function 22 5 16 Capacity Test Mode 22 5 17 Diagnostic 23 5 18 Indoor unit jumpers Configuration 24 5 19 Outdoor unit jumpers Configuration 25 5 20 Contacts for building automation 25 5 21 Maintenance 27 6 TROUBLESHOOTING 28 6 1 Check before and after troubleshooting 28 6 2 Circuit Breaker Trips or Fuse Blows 28 6 ...

Page 4: ... mm in Refrigerant Refrigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping volume m3 DATA SUBJECT TO CHANGE WITHOUT NOTICE R410A Flare type Washable Anti Mold 39 36 29 23 Cooling Heating See catalogue with the requested matching 450 273 Microprocessor I C thermostat Wireles...

Page 5: ...frigerant tube kit Air clean filter Dimensions Weight Unit dimensions Height mm Width mm Depth mm Package dimensions Height mm Width mm Depth mm Weight Net kg Shipping kg Shipping volume m3 DATA SUBJECT TO CHANGE WITHOUT NOTICE Wireless remote control unit See catalogue with the requested matching Microprocessor I C thermostat 470 220 240 V 50 Hz 230 V 50 Hz Cooling Heating 322 8 0 10 0 0 075 805 ...

Page 6: ... Type Operating temp Open C Close Run capacitor µF VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Ω Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE 0 130 SAC DCI IDU SAC W REM Cross flow KFV4Q 11H5P S 1 4 1160 Aluminium plate fin Copper tube DC 12 V 380 7 2 1 4 440 MP24GA1 Stepping motor 10 YEL ORG 155 7 Microprocessor 250 V 3 15 A 1 Ø 95 L...

Page 7: ...emp Open C Close Run capacitor µF VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Ω Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE YEL ORG 155 7 1 440 YEL PNK 115 9 internal fuse 145 5 0 130 Stepping motor MP24GA1 DC 12 V 380 7 Aluminium plate fin Copper tube 2 1 4 250 V 3 15 A SAC W REM 1 Ø 95 L 617 Cross flow SAC DCI IDU Microprocessor BR...

Page 8: ...sformer TR Rating Primary Secondary Capacity Coil resistance Ω at 25 C Thermal cut off temp Thermistor Coil sensor Resistance kΩ Thermistor Room sensor Resistance kΩ 0028TRA008 AC 230 V 50 Hz 13 V 6VA NTC THERMISTOR 10 at 25 C NTC THERMISTOR Primary Secondary 120 C 10 at 25 C 8 ...

Page 9: ...2 DIMENSIONAL DATA AWI726HL I AWI735HL I 9 ...

Page 10: ...2 DIMENSIONAL DATA REF09HI REF12HI 10 ...

Page 11: ... temp 20 C Fan speed High Heating Horizontal distance m Axis air verocity m s Vertical distance m Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 11 ...

Page 12: ...h Heating Horizontal distance m Axis air verocity m s Vertical distance m Room air temp 27 C Fan speed High Cooling 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 0 Axis air velocity 0 Flap angle 30 Axis air velocity 30 0 1 2 3 4 0 1 2 3 4 5 6 7 8 9 Flap angle 45 Axis air velocity 45 Flap angle 60 Axis air velocity 60 12 ...

Page 13: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagrams AWI726HL I AWI735HL I 13 ...

Page 14: ...REF09HI REF12HI 14 ...

Page 15: ... a button is pressed and in any case automatically every 5 minutes 5 1 1 control specification During operation compressor speed can be subjected to change due to thermal load variations or protection activations but in any case The minimum time interval between an OFF and a ON operation is not lower than 3 minutes The minimum operating time is not lower than 3 minutes The acceleration deceleratio...

Page 16: ...an change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 5 3 Heat Mode Operation The Heating mode operation is similar to the Cooling mode operation The CM FMO and FMI are controlled by the same parameters NOTES 1 After the CM has stopped the FMI runs for 30s in order to purge heat from the indoor coil 2 The FMI will not be tu...

Page 17: ...es is according to the above graph and following table If 3 C Dt 1 C and the compressor is off for more than 1 hour If Dt 3 C and compressor is off for more than 3 minutes If 1 C Dt 3 C and the compressor is off for more than 1 hour If Dt 3 C and compressor is off for more than 3 minutes Dt RAT SPT Refer to the sections 5 1 COOLING MODE and 5 2 HEATING MODE for system operation details COOLING HEA...

Page 18: ...T 1 C LEVEL 2 FMO switches 9 minutes off and 3 minutes ON 15 C FMI switches between L and LL every 30 seconds RV off CM off 15 C DRY OFF ZONE FMO off FMI off RV off SPT Set Point Temperature 5 6 Fan Mode Operation With this mode the indoor fan is turned on while CM FMO and RV stay off all the time The user can select between 3 speeds HIGH MEDIUM and LOW 5 7 Auto Fan speed With this option selected...

Page 19: ...is activated as soon as the indoor coil temperature ICT decreases and acts by decreasing the compresor speed The system exit this protection routine when ICT temperature rises above 8 C 5 9 2 Cold draft This feature prevents the supply of cold air forcing the indoor fan to a speed which cannot be changed by the user As soon as the protection mode is exited speed can be changed manually through the...

Page 20: ...ating The module temperature detected by a built in thermistor is always monitored by the control system and kept operating in a safe area If temperature exceeds 100 C operation is automatically stopped 5 10 4 Outdoor fan power module overheating The module temperature detected by a built in thermistor is always monitored by the control system and kept operating in a safe area If temperature excee...

Page 21: ...ns active System exits defrost protection as soon as 14 C on the outdoor coil are detected and in any case if at least 12 minutes are elapsed from the start of the defrost cycle 5 12 I FEEL function As standard configuration the air conditioner operates detecting the room temperature through the sensor equipped in the wireless remote controller icon I FEEL shown on the display This feature provide...

Page 22: ...re than 5 seconds the IFEEL and FAN buttons on the remote controller With this option active the OPERATION TIMER and STANDBY lamps are switched off even during operation they activates only in case of diagnostic signaling 5 16 Capacity Test mode This is a special operating mode used when testing the performance of the A C In this case the main components of the A C compressor outdoor fan indoor fa...

Page 23: ...CM FMO FMI etc if in OFF state does not start Priority INDOOR UNIT FAULT LD1 stby LD2 opr LD3 timer 4 RAT probe damaged F F O 3 ICT probe damaged O F F 2 communication error F F F 1 fault on outdoor unit F O O Priority OUTDOOR UNIT FAULT LD1 LD2 LD3 LD4 LD5 10 CDT probe damaged O F O O O 9 OAT probe damaged O O F O O 8 OCT probe damaged O O O F O 7 compressor overcurrent O O O O F 6 compressor ove...

Page 24: ...5 18 INDOOR UNIT JUMPERS CONFIGURATION Unit is shipped with jumpers set according to the following table JUMPER STATUS JP1 open JP2 open 24 ...

Page 25: ...SHN models Unit is shipped with jumpers set according to the following table models AEI726SH models AEI726SHN AEI735SH AEI735SHN AEI09SH AEI12SH JUMPER STATUS JUMPER STATUS JP1 open JP1 open JP2 open JP2 closed JP3 open JP3 open SH models 25 ...

Page 26: ...LOSED system operates in the normal way according to the inputs coming from wireless remote controller 5 20 2 OUTPUT CONTACT J20 This connector is directly tied to the contact normally open of a power relay which activates every time the following alarm condition occur RAT damaged ICT damaged Communication error Fault on outdoor unit In this case when alarm happens on poles 1 and 3 of J20 connecto...

Page 27: ...te controller The PCB settings must match the corresponding ones on the wireless remote controller How to change address of the air conditioner Set the PCB to the address desidered UNIT ADDRESS 1 2 1 off off 2 off on 3 on off 4 on on As default switches 1 and 2 are in off status PCB factory state How to change address on Remote Control Unit Dip switch is located on the battery compartment As defau...

Page 28: ...wer is being supplied WARNING If the following troubleshooting must be done with power supplied be careful not to touch any uninsulated live part that can cause electric shock 6 2 CIRCUIT BREAKER TRIPS OR FUSE BLOWS When circuit breaker is set to ON it trips in a few moments Resetting is not possible Measure insulation resistance There is a possibility of ground fault If resistance value is 1 Mohm...

Page 29: ...6 3 SYSTEM DOES NOT RUN 29 ...

Page 30: ...the sensor COMMUNICATION ERROR Is the communication fuse blown Replace fuse 100mA The fuse may be not fitted rightly in the fuseholder Check for right connection of communication wires Check outdoor unit Is there any led on See section 6 5 Turn off power supply and after 3 minutes turn on again Outdoor unit PCB assy is defective NO YES YES NO See section 6 6 FAULT ON THE OUTDOOR UNIT Replace outdd...

Page 31: ...6 4 OUTDOOR UNIT DOES NOT RUN AND NO FAULT IS DISPLAIED 6 5 ONLY OUTDOOR UNIT IS OFF 31 ...

Page 32: ...6 6 OUTDOOR UNIT FAULT SIGNALING 32 ...

Page 33: ... air filters Check the air filters Are they clogged YES NO Check the expansion valve coil Is it rightly connected and the resistance value correct Replace the expansion valve coil NO There is the possibilty of gas shortage YES Is the remote controller directly under the airflow of the unit NO Change the position of the remote controller YES Is the fan motor set in low speed Set fan speed in medium...

Page 34: ...34 ...

Page 35: ...6 8 NOISY PROBLEM 35 ...

Page 36: ...7 CHECKING ELETRICAL COMPONENTS 7 1 36 ...

Page 37: ...7 2 37 ...

Page 38: ...Via Varese 90 21013 Gallarate Va Italy Tel 39 0331 755111 Fax 39 0331 776240 www argoclima it ...

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