Argo SCL Manual de servicio

0.8180.612.01 06/2012ARGO HPL/SCLTECHNICAL DATA & SERVICE MANUALPagina 1

4 Auto Mode OperationIn Auto Mode, the unit switches automatically between the Auto Cooling and Auto Heating in order tomaintain the room temperature

5 Dry Mode OperationDry operation remove moisture from indoor air running, in cooling mode, at a low level without reducingthe ambient temperature. Th

8 Forced ModeIn this mode the system operates (COOLING or HEATING mode – fixed settings) or is switched off bymeans of the MODE button on the pcb rece

9.4 Overheat outdoor exchangerDuring cooling operation as soon as the outdoor coil temperature (OCT) increases, compressor speedis reduced in order to

10 DefrostThe defrost process is controlled by a detection algorithm designed in order to mantain optimalutilization of the heat pump capacity especia

14 NIGHT FunctionWhen this setting is active indoor fan speed is automatically reduced in order to allow low noise operation.Temperature control acts

17 DiagnosticWith this feature is possible to have a visual signal that a trouble is occurring.This mode is always active and the signalling is made

18 AddressChanging the Address of the Air ConditionerIn case of more than one air conditioner operating in the same room, it may be necessary to assig

19 Manual Unit Control and LED indicatorsThe push button switch and the LED indicators on display panel let the user to control the unitoperation wit

20 Drain pumpPump operates when the unit is running in COOLING and DRY modes. The level detection is done through a float switch connected at the inp

PageASPECIFICATIONS1) Unit specifications 32) Major Component specifications 4B OPERATING RANGE6C DIMENSIONAL DATA7D REFRIGERANT FLOW DIAGRAMS 8E FUN

ELECTRIC WIRING DIAGRAMSLEGENDAPCB ControllerSW-IND-ASSYIndicator assyFMI Indoor fan motorTH1-2-3-4-5ThermistorCM Compressor motor ST sa

TROUBLESHOOTING1 CHECK BEFORE AND AFTER «TROUBLESHOOTING»(A) Check power supply wiring. • Check the power supply wires are correctly

3 UNIT DOES NOT RUN.Check power supply.Is power being suppliedto wall receptacle?NOCircuitbreaker istrippedPower failureYESReset thebreakerWait forrec

3 UNIT DOES NOT RUN.Is the set pointtemperatureappropriateReduce the set pointtemperature incooling mode orincrease the set pointin heating modeYESIs

3 UNIT DOES NOT RUN.Check sensorconnection andmeasure itsresistance3.4- THERE IS ONE LED BLINKING AT LEASTTEMPERATURESENSOR DAMAGEDReplace thesensorCO

4 UNIT DOES NOT RUN OR RUN FOR FEW MINUTES AND NO FAULT IS DISPLAYEDBefore checking the unit with this test, follow these 4 steps1) Turn off power sup

5 AIR CONDITIONER OPERATES, BUT ABNORMALITIES ARE OBSERVED.Clean the air filterCheck the air filter. Isit clogged?YESNOCheck the expansionvalve coil.

6 ELECTRICAL HEATER DOES NOT WORKBefore checking the unit with this test, follow these 3 steps1) Switch the unit in FAN HEATER mode and fan on LOW spe

7 AIR CONDITIONER OPERATES, BUT ABNORMALITIES ARE OBSERVED.8 UNUSUAL NOISE IS OBSERVED1 - OPERATION DOES NOT SWITCH FROM HEAT TO COOL AND FROM COOL TO

CHECKING ELECTRICAL COMPONENTS1 Measurement of Insulation ResistanceThe insulation is in good condition if the resistance exceeds 1 Mohm

SPECIFICATIONS 1) UNIT SPECIFICATIONSCOOLING HEATINGBTU / h 6310 7750kW 1,85 2,27Air circulation (high/med/low) m3

Via Varese, 90 - 21013 Gallarate - Va - ItalyTel. +39 0331 755111 - Fax +39 0331 776240www.argoclima.itPagina 30

2) MAJOR COMPONENT SPECIFICATIONSControlsModelResistance (at 25° C) kΩResistance (at 25° C) kΩResistance (at 25° C) kΩResistance (at 25° C) kΩResista

ModelWccCoil resistance (at 20° C) ΩΩΩoverload protectionthermostat Open °CClose °COperating amp. (Ambient temp. 25° C) Mo

ModelRatingNominal intputCoil resistance (at 20° C) ΩFLAP MOTOR (FLP)TypeModelRatingCoil resistence (Ambient temp. 25°C) ΩHEAT EXCHANGER COIL (EVAPORA

DIMENSIONAL DATA CAll dimensions are in mmPagina 7

REFRIGERANT FLOW DIAGRAM ARGO HPL/SCLDPagina 8

FUNCTIONS1 System operation controlThe units receives the user input (fan speed, flap position etc) through remote controller which sends