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Summary of Contents for Argo AEI1G 50 EMX
- Page 1 TECHNICAL DATA & SERVICE MANUAL iSeries OUTDOOR UNIT: AEI1G 42 EMX AEI1G 50 EMX SPLIT SYSTEM AIR CONDITIONER AEI1G 42-50 EMX May 2016...
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Page 2: Table Of Contents
TABLE OF CONTENTS SCOPE ........................... 4 DIMENSIONAL DATA AND EXTERIOR APPEARANCE........... 5 TECHNICAL SPECIFICATIONS ..................6 REFRIGERANT CIRCUIT ....................8 ELECTRICAL WIRING DIAGRAM ................. 9 PRINCIPLE OF FUNCTIONING................... 11 COMPONENTS OPERATION..................14 DEFROST..........................16 PROTECTIONS ......................... 18 COMPONENT DESCRIPTION ..................19 DIAGNOSTIC TABLE ...................... - Page 3 REVISION NOTES Rev. Date Author Checked Comments 21/03/2016 First release. Added page numbers. Modified component replacement 07/04/2016 section to be more easy to read. Updated troubleshooting and diagnostic tables.
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Page 4: Scope
UNIT MODEL TABLE MODEL AEI1G42EMX U.E. 387007219 387007216 AEI1G50EMX U.E. * cross reference with similar ARGO models. DECLARATION OF CONFORMITY “CE” Units described in this document conform with the following EU directives. Relevant EU Directives: • the EMC Directive 2014/30/EU •... -
Page 5: Dimensional Data And Exterior Appearance
Dimensional data and exterior appearance AEI1G 42-50 EMX Exterior appearance – color Top/front and side panel: silver (F1936) Fan Guard and valve covering: gray (RAL7042) Material Panel: zinc-coated steel sheet Fan guard and valve covering: polypropylene Painting 2 layers, 20 µ or more for electro coating (lower layer) 40 µ... -
Page 6: Technical Specifications
Technical specifications AEI1G 42 EMX COOLING Pdesignc +35°C SEER HEATING Pdesignh Average -10°C SCOP ERP Ecodesign - EN14825 COOLING Maximum +35°C OU / 27/19°C IU HEATING +12/11°C OU / +20°C IU Maximum +7/6°C OU / +20°C IU Maximum +2/1°C OU / + 20° C IU Maximum -7/-8°C OU / + 20°... - Page 7 AEI1G 50 EMX COOLING Pdesignc +35°C SEER HEATING Pdesignh Average -10°C SCOP ERP Ecodesign - EN14825 COOLING Maximum +35°C OU / 27/19°C IU HEATING +12/11°C OU / +20°C IU Maximum +7/6°C OU / +20°C IU Maximum +2/1°C OU / +20°C IU Maximum -7/-8°C OU / +20°C IU...
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Page 8: Refrigerant Circuit
Refrigerant circuit AEI1G 42-50 EMX Note: In heating mode the refrigerant flow is in the opposite direction of the COOL arrows INV: 4-way valve EXP: Electronic Expansion Valve DEF: defrost valve COM: Compressor... -
Page 9: Electrical Wiring Diagram
Electrical wiring diagram Legend Control pcb Outdoor Air Sensor Expansion pcb Main fuse Compressor Discharge Sensor 6,3x32 - 10A / 250V Comm. Fuse, RS485 bus cable Outdoor Coil Sensor 5x20 - 100mA / 250V Dip-switch Electronic Expansion Valve JP1/2/3 Jumpers Crankcase Heater Electromagnetic Interference Filter Drip tray heater... - Page 10 Settings Jumpers JP1: Factory use. Default: open. JP2: Defrost type selection. Default: closed. JP3: Heating only option. Default: open (heating and cooling). Dip-switch: SW1: Factory use. Default: 1=Off, 2=Off. Note: Jumper and dip-switch settings can be changed only when unit is powered off.
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Page 11: Principle Of Functioning
Principle of functioning OPERATING MODE SELECTION In a sigle split configuration, the operating mode of the system (heating or cooling) corresponds to the mode selected on the indoor unit. In a muli split configuration, the operating mode of the system is selected with the following rules: Heating mode is selected if: all indoor units are in heating mode one or more indoor units are in heating mode and the others are in off mode or fan mode... - Page 12 Cooling mode When the system is in cooling mode, it will regulate the cooling capacity delivered to the rooms to decrease the room air temperature (RAT) to the set point (SPT) and to balance the thermal load of the rooms to keep the set point temperature. The following rules apply to cooling mode functioning: Compressor and fan start when, in any of the rooms, RAT is 1°C or more above the SPT Compressor and fan stop when, in all rooms, RAT is 2°C or more below the SPT or when RAT is 1°C...
- Page 13 Auto mode When an indoor unit is in auto mode (auto cooling or auto heating), the actual mode will switch between heating and cooling mode to maintain the room air temperature (RAT) to the set point temperature (SPT). The unit will switch between heating and cooling mode if one of the following conditions is met: Heating if at least 3 minutes have passed since the unit was stopped and ∆T ≤...
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Page 14: Components Operation
Components operation Compressor The compressor runs if the following conditions are met: At least 3 minutes have passed since the power supply was switched on At least 3 minutes have passed since the compressor was stopped At least 6 minutes have passed since the previous compressor start There is no active alarm on the outdoor and indoor units There is no active protection There is a capacity demand in the rooms... - Page 15 Defrost valve Defrost valve is used to run the hot gas byapass defrost cycle. Defrost valve is always closed during cooling mode. Defrost valve is normally closed in heating mode and it opens only during hot gas bypass defrost cycles. When open, part of the hot gas from the discharge of the compressor is directly injected into the outdoor heat exchanger.
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Page 16: Defrost
Defrost A defrost starts if one of these conditions is satisfied (see graph below): - OCT falls below L1 line and compressor is running for at least 35 minutes without defrost - OCT falls below L2 line and compressor is running for at least 60 minutes without defrost Defrost starting threshold The defrost ends if one of these conditions is satisfied (sse graph below): - OCT rise above line L3 and defrost has been active for at least 2 minutes... - Page 17 The are two possible defrost type: hot gas bypass defrost reverse cycle defrost If jumper JP2 is closed, the unit will automatically decide which type of defrost is necessary to run. If jumper JP2 is open, the hot gas bypass defrost is disabled and the defrost cycles will be done only with the reverse cycle method.
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Page 18: Protections
Protections The unit is equipped with an automatic system of protections. These protections, if active, will limit the speed of the compressor in order to run the system in a safe operating area. Protections, when active, reduce the speed of the compressor linearly down to its minimum speed. If the level of protection is too high, compressor is stopped until no protection will be active. -
Page 19: Component Description
750W winding resistance U-V: 0,58 Ω V-W: 0,58 Ω U-W: 0,58 Ω (@20 °C) overload protector EXTERNAL Compressor AEI1G 50 EMX type HERMETIC, TWIN ROTARY, DC INVERTER model SNB130FGBMT FV 50S refrigerant R410A motor BRUSHLESS MOTOR n. - Page 20 Defrost Valve model FDF6A-049-RK (valve) – FDF6A (coil) coil rating AC 220-240V 50/60Hz coil resistance 1273 Ω ± 127Ω at 20°C Crankcase Heater power 30 W resistance 1760 Ω ± 10% at 20°C Drip Tray Heater power 75 W resistance 700 Ω...
- Page 21 Resistance Voltage Resistance Voltage Resistance Voltage Resistance Voltage Resistance Voltage [°C] [Kohm] [Vdc] [Kohm] [Vdc] [Kohm] [Vdc] [Kohm] [Vdc] [Kohm] [Vdc] 351,078 2,442 351,078 2,470 349,100 2,442 351,078 2,442 351,078 2,442 251,577 2,402 251,577 2,462 250,300 2,402 251,577 2,402 251,577 2,402 182,451 2,351...
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Page 22: Diagnostic Table
11 Diagnostic table When unit is working properly: DL3 is solid ON DL4 is solid ON if any indoor unit is switched ON, otherwise it’s OFF... -
Page 23: Troubleshooting
Troubleshooting ERROR LIST System Rank Meaning Cause Solution behaviour Communication Compressor and fan Bad communication bus Check that connections between C1 error between the are stopped after connection between and C2 on outdoor and indoor outdoor unit and all 30 seconds of outdoor and indoor terminal block is consistent (C1 the indoor units. - Page 24 PFC (Power Factor Compressor and fan Power supply surge or Check the quality of the power Controller) are stopped. over voltage. supply. protection: The system restarts automatic automatically after Power supply voltage protection against 3 minutes. dip or interruption. power supply Power supply fast disturbances and transient or burst.
- Page 25 Automatic Compressor and fan Bad connection Check that the outdoor pcb is protection against are stopped. between the outdoor properly connected to the heatsink overheating on the The system restarts pcb and the heatsink. and that the screws on the pcb are power electronics automatically after properly mounted with the right...
- Page 26 NTT A (Wide Tube Compressor and fan Sensor out of order or Reconnect or replace the sensor. Temperature) are stopped. disconnected (check sensor fault. The system restarts wiring diagram). as soon as the sensor is repaired. NTT B (Wide Tube Compressor and fan Sensor out of order or Reconnect or replace the sensor.
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Page 27: Component Replacement
Component replacement FRONT, RIGHT, LEFT AND REAR PANEL... - Page 29 CONTROL AND EXPANSION BOARD (remove the right, the left, the front and the rear panel)
- Page 32 COMPRESSOR (remove the right, the left, the front and the rear panel)
- Page 33 EXPANSION VALVE (remove the right, the left, the front and the rear panel)
- Page 34 FAN MOTOR (remove the right, the left, the front and the rear panel)
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Page 35: Packaging
14 Packaging 1: bottom carton box 6: upper left PS shield 11: PP band 2: lower left PS shield 7: upper right PS shield 3: lower PS shield 8: carton box 4: lower right PS shield 9: staple 5: polietylene sheet 10: scotch tape... -
Page 36: Labels
15 Labels Energy labels AEI1G 42 EMX... - Page 37 Energy labels AEI1G 50 EMX...
- Page 38 Rating labels...
- Page 39 ARGOCLIMA SPA - Via Alfeno Varo, 35 - Alfianello (BS) Italy...
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