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Summary of Contents for Lennox eCO2Boost XS 3
- Page 1 INSTALLATION INSTRUCTIONS Split System eCO2Boost XS 3 N° IN0043400-A 06.2019 www.lennoxemea.com eCO2Boost XS 3...
- Page 2 XS 3...
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Page 3: Table Of Contents
3 phases / 400/ 50 or 60 (-/V/Hz) Communication Standard Modbus Category High pressure side 14 MPa Maximum working pressure (MWP) Low pressure side 9 Mpa (1) Conditions: T° Ambient + 32°C, Compressor speed: 80hz * without pipe cover eCO2Boost XS 3... -
Page 4: Product Diagram
2. Product diagram eCO2Boost XS 3... -
Page 5: Operation Diagram
LT loop A (Te -30℃ / T ambient 25℃) LT loop A and B (Te -30℃ / T ambient 25℃) MT loop B (Te -5℃ / T ambient 25℃) LOOP C LOOP C LOOP B LOOP A LOOP A LOOP B Enthalpy Enthalpy eCO2Boost XS 3... - Page 6 Pipe length [m] 10 m 20 m 30 m MT @ Te -5°C 1.2% 2.4% 3.6% LT @ Te -30°C 2.3% 4.5% * Please follow requirement to avoid performance drop and ensure good lubrication of the compressor. eCO2Boost XS 3...
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Page 7: Handling
2. When the refrigerating unit is raised, do not go beneath it. 3. Weight CDU: Product weight: 135kg Total weight including packaging: 145kg 4. This product's weight is not evenly distributed. In particular, take care to avoid any shocks and sudden movements when transporting and raising the equipment. eCO2Boost XS 3... -
Page 8: Piping Connection
Electronic Unit cooler expansion valve Condensing unit Condensing unit Solenoid valve Thermal insulation covering the entire length of tubing Thermal insulation covering the entire Electronic Siphon length of tubing expansion valve every 5m Solenoid Unit cooler Valve eCO2Boost XS 3... -
Page 9: Power Supply Connection
For neutral systems requiring differential protection (TT mode for example) select a protection type: - Class B differential switch - 300 mA, when a circuit breaker is already installed upstream. - SI type differential circuit breaker - 300 mA, if no circuit breaker is installed. eCO2Boost XS 3... -
Page 10: External On/Off Control Signal
2. Defrost (compressor stop) signal should be sent to CDU before the EEV controller. 3. Compressors will stop gradually before 3 minutes. 8.2. Electrical connection (Thermostat & 1 unit cooler) Contact Contact Contact Defrost Supply thermostat CLA / CLB Resistance eCO2Boost XS 3... -
Page 11: Piping And Vacuuming
Condensing unit All outlet communicate. Example of connexion Inlet G 3/8’’ female Outlet ¼’’ SAE Pressure gage Piping Valve in “Rear position”. 3. Untightened The pressure gage is the compression packing Condensing unit insulated from the circuit. eCO2Boost XS 3... -
Page 12: Co₂ Charging
11. Continue “5.10” process until operation status within ±0.2MPa in pressure, ±5K in discharge temperature for each target value. 10.2. CO₂ charging amount estimation Unit cooler volume Piping length eCO2Boost XS 3... - Page 13 4. Press right button (SET) if entering each loop parameter set (A00, A01, …) 5. Press ▼ or ▲ if changing parameter set value 6. Press only right button (SET) for 3 secs if going back to normal display eCO2Boost XS 3...
- Page 14 Gas cooler fan DCV output (lower side) 0 to 6.00 0.01 Gas cooler fan DCV output (upper side) 0 to 6.00 0.01 Target suction pressure -0.8 to +14.0 MPaG Target discharge pressure -0.8 to +14.0 MPaG Target compressor speed 0 to 90 eCO2Boost XS 3...
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Page 15: First Level Of Maintenance
2. In case of dirt inside the CDU, clean the outdoor heat exchangers with soft brush or vacuum cleaner. 3. Water can be used in case of clogged heat exchanger. (Noted: CDU operation should be stopped when using water cleaning for heat exchanger) eCO2Boost XS 3... -
Page 16: Fault Tree Analysis
13. Fault Tree Analysis 13.1. No cooling 13.2. Too much cooling eCO2Boost XS 3... -
Page 17: Installation Check-Up
Leakage observed ( oil mark on pipe) ? Piping Piping clogged ( too much brasing material) ? Piping insulation (suction and discharge pipe)? Quantity of refrigerant fluid introduced? [R744 refrigerant] Refrigeration circuit A [quantity: kg] - Circuit B [quantity: kg] Refrigerant fluid leak? eCO2Boost XS 3... -
Page 18: Code Error List
0 MPa ≤ Pd ≤ 15MPa 0MPa=0,17V 15MPa=4,90V 0 MPa ≥ Ps ≥ 15MPa during Low-pressure Alarm activation Automatic recovery if : 3 seconds no operate sensor error CDU no operate 0 MPa ≤ Ps ≤ 15MPa 0MPa=0,17V 15MPa=4,90V eCO2Boost XS 3... - Page 19 Alarm activation recovery if : Calculation error no operate error 1 CDU no operate calculation is OK Automatic Inverter control Alarm activation recovery if : Calculation error no operate error 2 CDU no operate calculation is OK eCO2Boost XS 3...
- Page 20 E10-H46 Converter compressor after (Parameter P30) no operate No alarm E10-H48 overcurent error overload x10sec. E10-H4C E10-H5O Automatic recovery E10-H52 Compressor compresor after (Parameter P30) no operate Alarm Activation E10-H54 operation error do not start x10sec. E10-H56 eCO2Boost XS 3...
- Page 21 EEV failure measures: ① Replace the EEV heard inside the EEV coil ② Replace the control PCB ③ Replace the expansion valve Inlet air short circuit on the gas Refer to installation conditions Avoid air short-circuit cooler eCO2Boost XS 3...
- Page 22 1. P lug and unplug the connector Sensor connection Wiring connection and conductivity 2. Replace wire Control PCB output signal sent to Control PCB failure Replace control PCB pressure sensor Sensor failure Check sensor resistance Replace the temperature sensor eCO2Boost XS 3...
- Page 23 1. Plug and unplug the connector 2. Inverter connection problem conductivity Replace wire PCB control input and control PCB failure Replace the control PCB output Wear and tear on panel, Inverter board failure Replace the inverter traces of humidity, etc. eCO2Boost XS 3...
- Page 24 LENNOX EMEA reserves itself the right to make changes at any time without preliminary notice. www.lennoxemea.com eCO2Boost XS 3...
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