Lennox eCO2Boost L Page 1 Installation Instructions Manual Download

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eCO2Boost XS 3

Split System

eCO2Boost XS 3

INSTALLATION

INSTRUCTIONS

www.lennoxemea.com

N° IN0043400-A

06.2019

Summary of Contents for eCO2Boost L

Page 1: ...eCO2Boost XS 3 1 Split System eCO2Boost XS 3 INSTALLATION INSTRUCTIONS www lennoxemea com N IN0043400 A 06 2019 ...

Page 2: ...eCO2Boost XS 3 2 ...

Page 3: ...um microchannel Refrigerant Type GWP R744 CO2 1 Power supply Phases Voltage Frequency 3 phases 400 50 or 60 V Hz Communication Standard Modbus PED Category 1 Maximum working pressure MWP High pressure side 14 MPa 9 Mpa Low pressure side 1 Conditions T Ambient 32 C Compressor speed 80hz without pipe cover TABLE OF CONTENT 1 Product specifications 2 Product diagram 3 Operation diagram 4 Installation...

Page 4: ...eCO2Boost XS 3 4 2 Product diagram ...

Page 5: ...Enthalpy 2 1 5 LOOP A LOOP B 5 2 3 4 1 LOOP C 4 3 LT loop A Te 30 T ambient 25 MT loop B Te 5 T ambient 25 Pressure Enthalpy 2 3 1 4 5 LOOP A 2 3 1 4 5 LOOP B 5 2 3 4 1 LOOP C 3 Operation diagrams MTor LT MTor LT Accumulator Accumulator Gas Cooler Compressor Cascade Heat Exchanger Gas Cooler Cascade Heat Exchanger Gas Cooler EEV EEV EEV Compressor Compressor LOOP C LOOP A LOOP B 2nd Unit Cooler 1s...

Page 6: ...0cc 3 COOLING CAPACITY 4 PERFORMANCE DROP Please follow requirement to avoid performance drop and ensure good lubrication of the compressor Requirement for CDU installation design conditions 4 1 Installation design of CDU Capacity kW Ambient Temperature Evaporating temperature 35 30 20 15 10 5 0 5 32 3 55 4 11 4 72 6 65 8 73 9 10 9 45 9 73 38 3 34 3 62 4 48 5 23 7 77 8 00 8 55 8 77 Pipe length m 1...

Page 7: ... In regions where significant snowfalls occur always place the equipment under a roof a shelter or a snow proof tarpaulin 8 Choose a location that is protected from strong winds 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...

Page 8: ... 3 8 9 52 mm K65 0 65 120 Hard copper 1 155 Pipe slope 0 OIL RETURN Unit cooler CDU Suction pipe Suction pipe Refrigerant discharge pipe Refrigerant discharge pipe Thermal insulation material Thermal insulation material INCORRECT CORRECT 6 1 Piping connection Unit cooler Condensing unit Electronic expansion valve Thermal insulation covering the entire length of tubing Less than 5m Siphon every 5m ...

Page 9: ...valve Check valve LP HP sensor HP LP HP LP HP LP Ambient temp sensor 7 CDU power supply connection COMMUNICATION Product side Master controller GND Triple phase 400V electrical connection Rated power 5 4 kW Voltage 400V 3 AC Frequency 50 60Hz Electric consumption 5 5 kW Rated current 8 5 A Electrical power 6 9 kVA Ground fault circuit breaker 10 A POWER SUPPLY Product side Power supply GND T N R S...

Page 10: ...he low pressure set point decided by installer 2 The low pressure is function of the evaporating temperature required for the showcase Tev Tair_sc T 3 CDU EEV control the high pressure of each cycle optimal value as function of ambient temperature DEFROST CONTROL LOGIC 1 CDU compressors and fans should stop before the unit cooler defrost 2 Defrost compressor stop signal should be sent to CDU befor...

Page 11: ...nt 3 3 Check connector and each tube are closed tightly 3 3 Loose service valve rod in middle position 3 way opening before vacuuming 3 4 Vacuuming for 2 3 hours inside pressure keeping 1bar vacuuming status 4 Setting parameter value 4 1 Change loop parameter set depending on target evaporating temperature during vacuuming process suction pressure default value 3 0MPa 1 Remove process pipe 2 Inser...

Page 12: ...service valve 5 Compressor start running push operation SW if CO2 charging stop before reaching target weight 6 Close service valve after CO2 weight reaching target amount 7 Keep check cooling operation until unit cooler air or cabinet temperature is reached at target temperature 8 Check low pressure until reaching target operation conditions both of CO2 air side are stable 9 Compare actual high p...

Page 13: ...5 107 6 107 6 107 6 107 6 107 6 98 4 88 7 84 7 84 7 84 7 20 96 1 96 1 96 1 96 1 96 1 94 5 94 5 94 5 94 5 94 5 25 98 3 98 3 98 3 98 3 98 3 96 8 96 8 96 8 96 8 96 8 30 100 4 100 4 100 4 100 4 100 4 98 8 98 8 98 8 98 8 98 8 35 102 2 102 2 102 2 102 2 102 2 100 7 100 7 100 7 100 7 100 7 1 High pressure target 2 Discharge temperature target 10 3 Check operation value 11 1 CDU parameters change process ...

Page 14: ...r fan motor speed upper side 0 to 999 rpm 1 14 FU1 Gas cooler fan DCV output lower side 0 to 6 00 V 0 01 15 FU2 Gas cooler fan DCV output upper side 0 to 6 00 V 0 01 16 PSO Target suction pressure 0 8 to 14 0 MPaG 0 1 17 PDO Target discharge pressure 0 8 to 14 0 MPaG 0 1 18 CO Target compressor speed 0 to 90 Hz 1 11 2 Parameters adjustment according to unit cooler temperature set point Parameter U...

Page 15: ...2 3593 1003 1 62 697 167 55 436 09 0 88249 1 9187 23 13 2 3 2 4294 998 14 64 725 169 78 435 89 0 89078 1 9137 24 12 2 4 2 501 993 13 66 814 172 01 435 66 0 89908 1 9086 25 11 2 5 2 574 988 06 68 967 174 26 435 41 0 90739 1 9036 26 10 2 5 2 6487 982 93 71 185 176 52 435 14 0 91571 1 8985 27 9 2 6 2 7249 977 73 73 471 178 8 434 84 0 92405 1 8934 28 8 2 7 2 8027 972 46 75 829 181 09 434 51 0 9324 1 8...

Page 16: ...eCO2Boost XS 3 16 13 Fault Tree Analysis 13 2 Too much cooling 13 1 No cooling ...

Page 17: ...reaker installed Suitable earth fault differential circuit breaker power rating Rated current Rated sensivity Ground wiring correctly connected Screws correctly tightened Power supply insulation 230V circuit ground earth capacity 10 MΩ minimum Suitable wiring power capacity Power supply equal to 230 V Piping Service vavles opened Leakage observed oil mark on pipe Piping clogged too much brasing ma...

Page 18: ...tic recovery if Pd 10 MPa after Parameter P30 x10sec Default P30 30 E10 Inverter compressor error Next page E10 H Next page E10 H Next page E10 H E16 Gas cooler top fan speed error FF2 Parameter P64 x10rpm x Parameter P65 time Default value P64 30 and P65 2 no operate Alarm activation CDU no operate Repair E17 Gas cooler bottom fan speed error FF1 Parameter P66 x10rpm x Parameter P67 time Default ...

Page 19: ...ivation CDU operate Automatic recovery if 30 C TU 100 C E40 Communications error with master controler if using an external communication system No communication during 10 minutes operate with local target value Alarm activation CDU operate Automatic recovery if communication restart with master E42 Inverter communications error No communication during 30 seconds no operate Alarm activation CDU no...

Page 20: ...ication error No connection during 30 sec no operate No alarm Automatic recovery after Parameter P30 x10sec and communication restart E10 H24 E10 H28 E10 H3O Inverter voltage drop detection Inverter input 140 V no operate No alarm Automatic recovery after Parameter P30 x10sec And 140 V E10 H2C Control PCB power supply error no signal on controller no operate No alarm Automatic recovery after Param...

Page 21: ... installation conditions Avoid air short circuit E02 Maximum discharge pressure triggered Likely cause Check points Solution Dust and dirt clogging the gas cooler fins Confirm clogging e g dust in the gas cooler Clean the gas cooler EEV failure Switch OFF and back ON Check if a pulsating initialisation noise is heard inside the EEV If no pulsating noise is heard take the following corrective measu...

Page 22: ...the pressure sensor E23 Ambient air temperature sensor error Likely cause Check points Solution Sensor connection Wiring connection and conductivity 1 Plug and unplug the connector 2 Replace wire Control PCB failure Control PCB output signal sent to pressure sensor Replace control PCB Sensor failure Check sensor resistance Replace the temperature sensor E24 Discharge temperature sensor error Likel...

Page 23: ...lter PCB check details measurement point point on annexes page Control PCB failure PCB control input and output Replace the control PCB Inverter board failure Inverter board input and output Replace the inverter board E50 EEV PID calculation error 1 E51 EEV PID calculation error 2 Likely cause Check points Solution EEV coil connection problem Wiring connection and conductivity 1 Plug and unplug th...

Page 24: ...eCO2Boost XS 3 24 LENNOX EMEA reserves itself the right to make changes at any time without preliminary notice www lennoxemea com ...

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