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Argo AUR101CL, Technical Data & Service Manual

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Argo AUR101CL Technical Data & Service Manual Download Page 18

 7-2 Indoor Coil High Pressure Protection in Heat Mode

The in-coil high pressure protection prevent the build up of high pressure at the in-coil during heating
operation.

Note:

The operation temperatures shown as A and B in the chart differ by models.

    WSA-78 WSA-98 WSA-128

A

50

54

58

B

42

45

50

ICT [

o

c]

ANY

OFF

ANY

COMP

OFAN

B

A

64

OFF

COMP is forced OFF

18

Summary of Contents for AUR101CL

Page 1: ...TECHNICAL DATA SERVICE MANUAL ROOM AIR CONDITIONER WITH REMOTE CONDENSER AUR101CL AUR131CL AUR101HL COOLING ONLY VERSION R407C HEAT PUMP VERSION R407C 0 8180 237 0 04 2002...

Page 2: ...Operations in Cool and Dry Modes 14 7 Protection Operations in Heat Mode 16 8 Cold Draft Prevention Heating 19 9 Sleep Function 20 10 Daily Timer Function 20 11 IFEEL Function 20 12 Manual Unit Contro...

Page 3: ...ht mm 435 490 490 Width mm 440 525 525 Depth mm 230 250 250 Net weight indoor unit outdoor unit kg 44 9 5 44 15 44 15 PERFORMANCES COOLING COOLING HEATING Voltage rating V 220 240 Available voltage ra...

Page 4: ...135 5 135 5 Close C 69 11 69 11 Trip in Trip in 6 16 s at 19 A 6 16 s at 19 A Overload relay OLR1 CS 7C115 Open C 115 4 Close C 95 10 Overload relay OLR2 MST56ALU 9202 Open C 150 5 Close C 69 11 Trip...

Page 5: ...TC SENSOR Resistance at 25 C k 10 1 HEAT EXCHANGE COIL Coil Aluminium plate fin Copper tube Rows 2 2 2 Fin pitch mm 1 6 1 6 1 6 Face area m2 0 227 0 290 0 290 Setting Run capacitor C2 Coil resistance...

Page 6: ...6 C DIMENSIONAL DATA Indoor unit Outdoor unit 580 835 245 230 440 425 DIMENSIONS mm HEAT PUMP MODEL AND AUR131CL 790 580 440 490 230 250 435 490 245...

Page 7: ...20 25 30 35 40 45 OUTDOOR INLET AIR D B TEMP C AUR131CL AUR101CL 32 27 19 Operating characteristics versus outdoor ambient temperature and indoor temperature Conditions Power source 230 V 1 50Hz Singl...

Page 8: ...G CURRENT A OUTDOOR INLET AIR D B TEMP C INDOOR INLET AIR D B TEMP C 20 25 30 35 40 45 Operating characteristics versus outdoor ambient temperature and indoor temperature Conditions Power source 230 V...

Page 9: ...cal filter Heat exchanger Heat exchanger Outdoor unit Indoor unit REFRIGERANT FLOW DIAGRAM HEAT PUMP MODELS Heat exchanger Muffler Stainer 4 way valve Accumulator Compressor Heat exchanger Drier Capil...

Page 10: ...Point Temperature SPT as in the graph above Notes 1 In this graph the IFAN is operating in the Auto Fan Speed setting If the user has selected the low medium or high fan speed the IFAN will run consta...

Page 11: ...lly according to the RT SPT Note 1 The 30s IFAN operation is for purging the heat from the in coil after COMP has stopped Note 2 The IFAN will not be turned on until the in coil temperature is high en...

Page 12: ...0 1 2 ON OFF ON OFF COMP OFAN RV Auto Heat Mode Auto Cool Mode Auto Heat Mode In Auto Mode the unit switches between the Auto Cooling Mode and Auto Heating Mode automatically to maintain the room temp...

Page 13: ...e COMP 2 The unit operates in either the Dry on state or the Dry off state If RT SPT the unit will operate in Dry off state The COMP is forced to operate for 6 min after it has stopped working for 15...

Page 14: ...on can prevent the ice formation at the in coil when the ambient temperature is low ICT o c 2 ON OFF ON OFF t1 t2 t3 COMP OFAN 1 5 0 1 ON OFF IFAN t1 5 min minimum for each COMP starting t2 OFAN cycli...

Page 15: ...FAN follow operation of COMP COMP is forced OFF OFAN is forced ON Note 1 IFAN is forced LOW Note 1 In some applications the outdoor fan and the compressor are controlled together by the COMP relay out...

Page 16: ...emperature detection as normally done but also while ice forming is detected on the out coil COMP to ON DI 40 or 10 DT 5 Activate DDt setting Routine Start counting TLD DTF 0 OCT DOC DTF 1 OCT DDT dur...

Page 17: ...etection will be done by comparing the OCT with a Deicing Static Temperature Threshold The Deicing Data Record is used to determine the time delay between two deicing cycles In general the time delay...

Page 18: ...re protection prevent the build up of high pressure at the in coil during heating operation Note The operation temperatures shown as A and B in the chart differ by models WSA 78 WSA 98 WSA 128 A 50 54...

Page 19: ...coil have sufficiently warmed up When 10 minutes has elapsed the fan speed is automatically switched to set speed regardless of indoor heat exchange coil temperature Indoor heat exchange coil temp C M...

Page 20: ...ned to SB after Sleep Cool Dry modes Heat mode 10 Daily Timer Function Unit can be programmed to be ON and OFF automatically at preset time everyday by using a remote controller The resolutions of the...

Page 21: ...ure Protection Mode Deicing in Heating Mode TIMER INDICATOR 1 Lights up during Timer and Sleep operation 2 Active On Off timer setting will become invalid after a power failure When this happens the u...

Page 22: ...VERSION SCHEMA ELETTRICO VERSIONE SOLO RAFFREDDAMENTO SCH MA LECTRIQUE VERSION FROID SEUL SCHALTPLAN AUSF HRUNG NUR K LUNG ESQUEMA ELECTRICO SCHALTPLAN MODELOS QUE SOLO EINFRIAN HLEKTRIKODIAGRAMMA EK...

Page 23: ...EAT PUMP VERSION SCHEMA ELETTRICO VERSIONE POMPA DI CALORE SCH MA LECTRIQUE VERSION POMPE CHALEUR SCHALTPLAN W RMEPUMPE AUSF HRUNG ESQUEMAELECTRICO SCHALTPLAN MODELOS BOMBADE CALOR HLEKTRIKODIAGRAMMA...

Page 24: ...tance value is 1 MOhm or less insu lation is defective B There is a possibility of short circuit Circuit breaker trips in several minutes after turning air conditioner ON NO NO YES YES Check capacity...

Page 25: ...connec tions and continuity of internal wiring Remove the obstruction Replace drain pump DEFECTIVE Replace limit float switch MS DEFECTIVE YES Check limit float switch MS YES Check drain pump motor PC...

Page 26: ...ace fan motor DEFECTIVE DEFECTIVE OK Check fan motor capacitor Replace Measure resistance of fan motor winding Replace fan motor Fan cannot be turned Check fan rotation Turn fan gently once or twice b...

Page 27: ...or unit on monitor panel 3 Check remote control unit AIR CONDITIONER OPERATES BUT ABNORMALITIES ARE OBSERVED HEAT PUMP MODEL 1 Operation does not switch from heat to cool or cool to heat Remote contro...

Page 28: ...CB Ass y in indoor unit OK Is room temperature too low Remote control unit is defective Try to use another remote control unit Try to lower setting temperature by temperature setting button Outdoor un...

Page 29: ...ir conditio ner is normal Air filter is clogged Change position of remote control unit Insultate wide and narrow tubes and then tape together Set fan speed to either high or medium Charge refrigerant...

Page 30: ...ide of the indoor unit will blink when the thermistor is defective At the same time the outdoor unit will stop Indoor operate only for ventilation Stand by lamp on front side of indoor unit is blinkin...

Page 31: ...p pipes Reload of the system after a maintenance intervention or after an uncorrect detach of the connection pipe Before disconnecting the unit pay attention to follow the warning shown hereunder Befo...

Page 32: ...sealing of the aeroquip quick connections The full charge of refrigerant must be restored to the indoor unit Outdoor unit little bag bleeding Connect the vacuum pump already equipped with service conn...

Page 33: ...nd measure the resistance by placing a probe on N terminal and then on L terminal the terminal plate Fig 2 b Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the...

Page 34: ...citor is good if the pointer bounces to a great extent and the gradually returns to its origi nal position The range of deflection and deflection time deffer according to capacity of the capacitor Fig...

Page 35: ...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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