Argo 245C / 3SC Technical Data & Service Manual
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Argo 245C / 3SC Technical Data & Service Manual

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TECHNICAL DATA & SERVICE MANUAL
DISEGNO MACCHINA
ARGO 245C / 3SC
ARGO 235H / 3HP
Cooling only model
Heat pump model
0.8180.405.2
09/2006

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Summary of Contents for Argo ARGO 245C / 3SC

  • Page 1 TECHNICAL DATA & SERVICE MANUAL DISEGNO MACCHINA ARGO 245C / 3SC Cooling only model ARGO 235H / 3HP Heat pump model 0.8180.405.2 09/2006...

  • Page 2: Table Of Contents

    Table of contents Page SPECIFICATIONS 1) Unit specifications 2) Major Component specifications OPERATING RANGE DIMENSIONAL DATA PERFORMANCE CHARTS REFRIGERANT FLOW DIAGRAMS FUNCTIONS 1) Cool Mode Operation 2) Heat Mode Operation 3) Auto (Cool/Heat) Mode Operation 4) Dry Mode Operation 5) Fan Mode Operation 6) Protection Operations in Cool and Dry Modes 7) Protection Operations in Heat Mode 8) Sleep Function...

  • Page 3: Specifications

    SPECIFICATIONS 1) UNIT SPECIFICATIONS UNIT MODEL ARGO 245C / 3SC ARGO 235H / 3HP Power source 220 - 240 V 50 Hz PERFORMANCES COOLING COOLING HEATING Capacity (air BTU / h 8360 8020 7700 conditioner) 2,45 2,35 2,25 Capacity (hot-water...

  • Page 4: Major Component Specifications

    2) MAJOR COMPONENT SPECIFICATIONS UNIT MODEL ARGO 245C / 3SC ARGO 235H / 3HP CONTROLLER (PCB) Part No. KSA - CTRL - DB Controls Microprocessor Control circuit fuse (F1) 250VAC - 5A -T Jumper Setting J1….J8 (see Electric waring diagram)

  • Page 5: Boperating Range

    UNIT MODEL ARGO 245C / 3SC ARGO 235H / 3HP CONDENSATE PUMP (PC) Model 291036 Rating 220-240VAC~50Hz Nominal intput 5W - 0,05A Coil resistance (at 20° C) Ω 778 ± 8% SAFETY FLOAT SWITCH (FS) BI 1300 2725 Model 230 V AC/DC - 0,5 A...

  • Page 6: Cdimensional Data

    DIMENSIONAL DATA...

  • Page 7: Dperformance Charts

    PERFORMANCE CHARTS ARGO 245C / 3SC Cooling only model Conditions: Power source 230 V - 1- 50 Hz - Single phase Indoor air velocity High speed Cooling characteristics Indoor relative humidity 48% Capacity (%) indoor air D.B. temp. DISEGNO MACCHINA outdoor air D.B.temp.
  • Page 8 ARGO 235H / 3HP Heat pump model Conditions: Power source 230 V - 1- 50 Hz - Single phase Indoor air velocity High speed Cooling characteristics Indoor relative humidity 48% Capacity (%) indoor air D.B. temp. °C DISEGNO MACCHINA outdoor air D.B.temp. °C Power input (%) indoor air D.B.
  • Page 9 Heating characteristics Outdoor relative humidity 85% Capacity (%) indoor air D.B. temp.20°C DISEGNO MACCHINA outdoor air D.B.temp. °C Power input (%) indoor air D.B. temp.20°C outdoor air D.B.temp. °C COP (%) indoor air D.B. temp.20°C outdoor air D.B.temp. °C...

  • Page 10: Erefrigerant Flow Diagrams

    REFRIGERANT FLOW DIAGRAM COOLING MODEL ARGO 245C / 3SC REFRIGERANT FLOW DIAGRAM HEAT PUMP MODEL ARGO 235H / 3HP...

  • Page 11: Ffunctions

    FUNCTION 1 Cool Mode Operation...

  • Page 12: Heat Mode Operation

    2 Heat Mode Operation...

  • Page 13: Auto (Cool/Heat) Mode Operation

    3 Auto (Cool/Heat) Mode Operation...

  • Page 14: Dry Mode Operation

    4 Dry Mode Operation...

  • Page 15: Fan Mode Operation

    5 Fan Mode Operation 6 Protection operations in Cool and Dry Mode 1. Indoor Coil Defrost Protection DISEGNO MACCHINA 5 Protection Operations in Cool and Dry Modes...
  • Page 16 2. Outdoor Coil High Pressure Protection...
  • Page 19 2. Indoor Coil High Pressure Protection in Heat Mode...

  • Page 20: Sleep Function

    8 Sleep Function 9 Daily Timer Function 10 IFEEL Function...

  • Page 21: Manual Unit Control And Led Indicators

    11 Manual Unit Control and LED indicators The push button switch and the LED indicators on display panel let the user to control the unit operation without a R/C (Remote Controller). Their operations are provided below. Push Button Switch : Use to cycle the operation mode of the A/C unit among COOL, HEAT and OFF modes, without using the R/C.

  • Page 22: Outdoor Fan Operation

    12 Outdoor fan operation Outdoor fan speed change from HI to Low according to outdoor air temperature as indicated on the chart below.

  • Page 23: Gelectric Wiring Diagrams

    ELECTRIC WIRING DIAGRAMS 1- Cooling only model ARGO 245C ARGO 3SC LEGENDA Controller SW-IND-ASSY Indicator assy Indoor fan motor TH1-2-3-4-5 Thermistor Power transformer Terminal plate Compressor motor Hot water control Overload relay Limit water thermostat Outdoor fan motor Water electric valve...
  • Page 24 2- Heat pump model ARGO 235H ARGO 3HP LEGENDA Controller SW-IND-ASSY Indicator assy Indoor fan motor TH1-2-3-4-5 Thermistor Power transformer Terminal plate Compressor motor Hot water control Overload relay Limit water thermostat Outdoor fan motor Water electric valve C1-2-3 Capacitor...
  • Page 26 (Operation lamp is blinking) The condensate drain system is obstructed DISEGNO MACCHINA...
  • Page 27 DISEGNO MACCHINA...
  • Page 28 DISEGNO MACCHINA...
  • Page 29 DISEGNO MACCHINA Unit still does Unit still does not run not run...
  • Page 30 Only if IFEEL is selected Temperature difference between suction and discharge air is large enough (approx. 15°C or more) DISEGNO MACCHINA install an additional unit Only if IFEEL is selected...
  • Page 31 DISEGNO MACCHINA...

  • Page 32: Irefrigerant Charge

    REFRIGERANT CHARGE ARGO 245C / 3SC ARGO 235H /3HP REFRIGERANT CHARGE R410A 600 g 520 g IMPORTANT In order to recharge the unit use the high-pressure side gate. Preliminary operation after refrigerant charge DISEGNO MACCHINA...

  • Page 33: Measurement Of Insulation Resistance

    DISEGNO MACCHINA...

  • Page 34: Checking Continuity Of Fuse On Pcs Ass'y

    DISEGNO MACCHINA...

  • Page 35: Boiler Connection Kit

    BOILER CONNECTION KIT ONLY FOR MODELS 245C / 235H Typical installation Hot water coil Existing water connections By installer DISEGNO MACCHINA 1/2" Gas Female diameter Electric water valve Controller By installer Air conditioner unit Boiler connection Kit 1) SPECIFICATIONS Power source 230 V ~ 50 Hz Capacity at standard conditions 2100...

  • Page 36: Performance Charts

    2) PERFORMANCE CHARTS Performance on different conditions Capacity ruduction factor : High speed = 1 ; Med. speed = 0,96 ; Low speed = 0,93 140% 120% 70° C inlet water temp. 100% 60° C DISEGNO MACCHINA 50° C ∆t = (inlet water temp.) - (outlet water temp.) WATER FLOW AND PRESSURE DROP –...

  • Page 37: Component Specifications

    3) COMPONENT SPECIFICATIONS ( Boiler connection kit ) CONTROLLER ( HWC ) Type 000TSA Controls Manual Thermostat Setting 6°C ±1°C ÷ 30°C ±1°C Differential THERMISTOR ( ROOM SENSOR ) TH4 Type STLNGY050 Resistance (at 25° C) kΩ 4,7 ±2% as alternative CONTROLLER ( HWC ) Type 078564-00 Controls...

  • Page 38: Hydraulic Connections And Valves

    3) HYDRAULIC CONNECTIONS AND VALVES DISEGNO MACCHINA...
  • Page 39 DISEGNO MACCHINA Via Varese, 90 - 21013 Gallarate - Va - Italy Tel. +39 0331 755111 - Fax +39 0331 776240 www.argoclima.it...

This manual is also suitable for:

Argo 235h / 3hp

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