Argo AW720HL Service Manual Download Page 1 | Manualshive

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Argo AW720HL Service Manual Download Page 1

TECHNICAL DATA
& SERVICE MANUAL

INDOOR UNIT:

AW720HL
AW726HL

AW726CL

AW735HL

AW735CL

AW726HLF

AW726CLF

AW735HLF

AW735CLF

SPLIT SYSTEM AIR CONDITIONER

AW726CLF

38.7004.065

AW735CLF

38.7004.066

AW726HLF

38.7004.063

AW735HLF

38.7004.064

COOLING MODELS

HEAT PUMP MODELS

0.8180.523.2 January 2010

AW726HL

38.7004.056

AW735HL

38.7004.057

AW726CL

38.7004.041

AW735CL

38.7004.042

Model No.

Product Code No.

AW720HL

38.7004.055

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Summary of Contents for AW720HL

Page 1: ...F AW735CLF SPLIT SYSTEM AIR CONDITIONER AW726CLF 38 7004 065 AW735CLF 38 7004 066 AW726HLF 38 7004 063 AW735HLF 38 7004 064 COOLING MODELS HEAT PUMP MODELS 0 8180 523 2 January 2010 AW726HL 38 7004 05...

Page 2: ...ing 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...

Page 3: ...n Heat Mode 23 5 10 I Feel Function 25 5 11 Night Function 25 5 12 Diagnostic 26 5 13 Jumpers Configuration 27 5 14 Contacts for Building Automation 28 5 15 Maintenance 29 6 TROUBLESHOOTING 30 6 1 Che...

Page 4: ...ameter Wide tube mm in Refrigerant 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 volu...

Page 5: ...ide tube mm in Refrigerant 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 DA...

Page 6: ...ide tube mm in Refrigerant 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 DA...

Page 7: ...ype Operating temp Open C Close Run capacitor F VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE...

Page 8: ...Operating temp Open C Close Run capacitor F VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE BR...

Page 9: ...Operating temp Open C Close Run capacitor F VAC Flap Motor Type Model Rating Coil resistance Ambient temp 25 C Heat Exch Coil Coil Rows Fin pitch mm Face area DATA SUBJECT TO CHANGE WITHOUT NOTICE BR...

Page 10: ...rimary Secondary Capacity Coil resistance at 25 C Thermal cut off temp Thermistor Coil sensor Resistance k Thermistor Room sensor Resistance k NTC THERMISTOR 10 at 25 C NTC THERMISTOR Primary Secondar...

Page 11: ...2 DIMENSIONAL DATA AW720HL AW726HL AW735HL AW726CL AW735CL AW720 726 12 7 1 2 AW735 11...

Page 12: ...AW726HLF AW735HLF AW726CLF AW735CLF...

Page 13: ...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 Fla...

Page 14: ...eed 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...

Page 15: ...eed 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...

Page 16: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagrams HEAT PUMP MODELS COOLING MODELS 16...

Page 17: ...4 2 Wiring System Diagram HEAT PUMP MODELS COOLING MODELS 17...

Page 18: ...eed setting If the user has selected the Low Medium or High fan speed the FMI will run constantly at that speed only 2 In addition to the temperature difference of above the operations of the main com...

Page 19: ...ically according to the RT SPT 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 turned on until the indoor coil temperature is wa...

Page 20: ...he Auto Cooling and Auto Heating in order to maintain the room temperature RAT at the prescribed set point SPT The switching between the two modes is according to the above graph Refer to the sections...

Page 21: ...and 3 minutes ON 15 C FMI switches off and L during CM operation RV off CM off 15 C DRY OFF ZONE FMO off FMI off RV off SPT Set Point Temperature 5 5 Fan Mode Operation With this mode the indoor fan...

Page 22: ...d Dry Mode This protection prevents ice formation on the indoor coil heat exchanger The protection is activated by the indoor coil temperature ICT sensor and only after 6 minutes of compressor operati...

Page 23: ...manually through the remote controller The protection acts in the following 5 9 2 Defrost The defrost process is controlled by a detection algorithm designed in order to mantain optimal utilization o...

Page 24: ...3 Overheat This feature prevents the build up of high pressure in the indoor heat exchanger during heating operation AW726CL AW735CL AW720HL AW726HL AW735HL A C 59 60 62 B C 53 55 57 C C 45 46 48 A B...

Page 25: ...ated It is possible to de activate this option pressing the I FEEL button on the remote controller In this case the I FEEL icon is no longer displayed and room temperature is detected through the sens...

Page 26: ...of more than one trouble present is always showed at first the one with the highest priority 1 2 3 etc Sensor damaged means a situation where sensor is short circuited or opened In case of damaged sen...

Page 27: ...door PCB near the MODE button Unit is shipped with jumpers set according to the following table JUMPER HEAT PUMP MODELS JP1 open JP2 open JP3 open JP4 closed JP5 closed HEAT PUMP MODELS closed STATUS...

Page 28: ...processed Contact CLOSED system operates in the normal way according to the inputs coming from wireless remote controller 5 14 2 OUTPUT CONTACT J12 This connector is directly tied to the contact norm...

Page 29: ...address of the air conditioner Dip switch is located on the indoor PCB near the buzzer Set the PCB to the address desidered UNIT ADDRESS SW1 SW2 1 off off 2 off on 3 on off 4 on on As default switches...

Page 30: ...g must be done with power supplied be careful not to touch any uninsulated live part that can cause eletric shock 6 2 CIRCUIT BREAKER TRIPS OR FUSE BLOWS When circuit breaker is set to ON it trips in...

Page 31: ...does not run 6 4 UNIT AND COMPRESSOR DO NOT RUN The unit does not run when air conditioner is in the follwing conditions When the room temperature is below the setting temperature During the protectio...

Page 32: ...6 5 SOME PARTS OF THE AIR CONDITIONER DO NOT OPERATE 32...

Page 33: ...6 6 AIR CONDITIONER OPERATES BUT ABNORMALITIES ARE OBSERVED 33...

Page 34: ...34...

Page 35: ...6 7 POOR COOLING OR HEATING 35...

Page 36: ...6 8 EXCESSIVE COOLING OR HEATING 6 9 A SENSOR IS DEFECTIVE 36...

Page 37: ...ower wires fig 1 b Unit Clamp an alluminium plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on N terminal and then on Lter...

Page 38: ...wires from the capacitor terminals and then place a probe on the capacitor terminals as shown in fig 7 Observe the deflection of the pointer setting the resistance measuring range of the multimeter t...

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

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