Lennox EMEA eCO2Boost XS 2 Installation Instructions Manual
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Summary of Contents for Lennox EMEA eCO2Boost XS 2
- Page 1 INSTALLATION INSTRUCTIONS Split System eCO2Boost XS 2 N° IN0043100-A 04.2019 www.lennoxemea.com eCO2Boost XS 2...
- Page 2 XS 2...
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Page 3: Table Of Contents
1 phase / 230 / 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 2... -
Page 4: Product Diagram
2. Product diagram eCO2Boost XS 2... -
Page 5: Operation Diagram
(Te -5℃ - T ambiant 10 ℃) Loop-A Loop-C OFF Loop-C (CHC) (Te -5℃ - T ambiant 25 ℃) Loop-A (CLA) Loop-A Loop-C 3.2. Operation diagram: LT application Loop-C (Te -30℃ T ambiant 25 ℃) (CHC) Loop-C Loop-A Loop-A (CLA) eCO2Boost XS 2... - Page 6 4.70 5.06 5.19 4. Performance drop Pipe length [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 2...
- Page 7 9. Avoid locations exposed to oil splashes, salt (within 2km from coast), sulfur gas (nearby hot water springs), volcanic area. 10. To avoid any interference, the refrigerating unit must be installed at a minimum distance of 3 m from any device producing or receiving electromagnetic waves (e.g. radio). eCO2Boost XS 2...
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Page 8: Handling
0.65 Both (discharge and suction pipe) 3/8” (9,52 mm) Hard copper 3. Pipes insulation > 50 mm. 4. Avoid CO pipes contact with other conducts or pipes. 5. Avoid installation in corrosive environment. Low-pressure equipment (Evaporator) Low-pressure equipment (Evaporator) eCO2Boost XS 2... - Page 9 6.3. CDU connected to several evaporators Evaporator volume MT : < 15000cc ( if more, risk of poor lubrication). LT: < 5000cc ( if more, risk of poor lubrication). Remarks: Expansion valve for each evaporator. One Pressure sensor by loop. eCO2Boost XS 2...
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Page 10: Power Supply Connection
3. Compressors will stop gradually before 3 minutes. 4. The EEV closing should be done 3 minutes after sending the defrost signal to CDU. 5. In case of multi-evaporators, the defrost of these evaporators should be simultaneous (only MT cooling mode) eCO2Boost XS 2... - Page 11 AKVH 1 RES 2 FAN 2 RES 1 AKVH 2 AKCC 1 AKCC 2 EVAPORATOR 2 EVAPORATOR 1 Remarks: The contact of auxiliary relay KA… (NO) must be wiring in parallel on the CDU ( contact CLA ) eCO2Boost XS 2...
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Page 12: Piping And Vacuuming
4. Setting parameter value 4-1. Change loop parameter set depending on target evaporating temperature during vacuuming process. (suction pressure default value 3,0MPa) 9.2. CDU connection to the evaporators 1. Remove process pipe 2. Insert pipe 3. Brazing pipe eCO2Boost XS 2... - Page 13 9. Compare actual high pressure & discharge pressure from the target table. 10. Charge more 50g CO if high pressure is lower or discharge temperature is higher than table value. 11. Continue “5.10” process until operation status within ±0.2MPa in pressure, ±5K in discharge temperature for each target value. eCO2Boost XS 2...
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Page 14: Co₂ Charging
96.1 96.1 94.5 94.5 94.5 94.5 94.5 98.3 98.3 98.3 98.3 98.3 96.8 96.8 96.8 96.8 96.8 100.4 100.4 100.4 100.4 100.4 98.8 98.8 98.8 98.8 98.8 102.2 102.2 102.2 102.2 102.2 100.7 100.7 100.7 100.7 100.7 eCO2Boost XS 2... -
Page 15: Mpa
1.6 1.3 1.1 A14 ℃ A20 134 134 134 134 134 134 A23 C01 MPa 2.0 2.0 2.0 2.0 2.0 1.5 1.5 1.5 C26 ℃ C27 C30 min C44 ℃ C45 0.5 0.5 0.5 0.5 0.5 0.5 eCO2Boost XS 2... - Page 16 11.3. Reading parameters list eCO2Boost XS 2...
- Page 17 118,41 215,08 426,67 1,0523 1,8102 4,1 4,1765 882,55 122,34 217,69 425,81 1,0612 1,8041 4,2 4,2831 875,58 126,44 220,34 424,89 1,0702 1,7977 4,3 4,3916 868,44 130,71 223,01 423,92 1,0792 1,7913 eCO2Boost XS 2 4,4 4,5022 861,12 135,16 225,73 422,88 1,0884 1,7847...
- Page 18 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) Error list and diagnostic : check product maintenance guide eCO2Boost XS 2...
- Page 19 XS 2...
- Page 20 LENNOX EMEA reserves itself the right to make changes at any time without preliminary notice. www.lennoxemea.com eCO2Boost XS 2...
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