Danfoss BOCK UL-HGX24 CO2 T Series, Operating Manual

Page 1: ...7 CO2 T UL HGX24 70 S P 9 CO2 T UL HGX24 70 SH P 9 CO2 T UL HGX24 90 ML P 8 CO2 T UL HGX24 90 S P 12 CO2 T UL HGX24 90 SH P 12 CO2 T UL HGX24 110 ML P 10 CO2 T UL HGX24 110 S P 15 CO2 T UL HGX24 110 S...

Page 2: ...ended by this manual Observe all product safety labels Refer to local building codes for installation requirements Transcritical CO2 applications require a completely new kind of system and control Th...

Page 3: ...5 2 Connection of the driving motor 16 5 3 Circuit diagram for direct start 230 V 400 V Y 18 5 4 Electronic trigger unit INT69 G 20 5 5 Connection of the electronic trigger unit INT69 G 20 5 6 Functi...

Page 4: ...tion and care in handling The maximum permissible overpressure must not be exceeded even for testing purposes Danger of suffocation CO2 is a nonflammable acidic colorless and odorless gas and heavier...

Page 5: ...compressors are intended for use with CO2 in transcritical and or subcritical systems in compli ance with the limits of application Only the refrigerant specified in these instructions may be used An...

Page 6: ...re level specially during high load Oil pump independent of direction of rotation for reliable and safe oil supply One decompression valve each on the low and high pressure side which vent into the at...

Page 7: ...protection class 2 2 Name plate example 1 2 3 4 5 13 12 7 11 6 10 8 9 UL HGX24 110 S 15 CO2 T 31 0 17 9A 178A 103A BC12345A001 IP66 Fig 3 2 Product description Bock GmbH Benzstra e 7 72636 Frickenhaus...

Page 8: ...P and S P BOCKlub E85 Compressor version SH P BOCK C170E Only these oils may be used 3 2 Oil charge HG 2 4 110 CO2 X 2 4 Type key compressors with LSPM Motor example HG Hermetic Gas Cooled suction gas...

Page 9: ...140 F 20 C 60 C Max permissible discharge end temperature 320 F 160 C Min discharge end temperature 122 F 50 C Min oil temperature 86 F 30 C Max permissible switching frequency 12x h A minimum runnin...

Page 10: ...th sufficient load bearing capacity Single compressor preferably on vibration damper Compound connection basically rigid Provide adequate clearance for maintenance work Ensure adequate compressor vent...

Page 11: ...g the pipelines cutting ring system Fig 6 Figure similar Tube preparation The tube has to be sawed at a right angle An angular tolerance of 1 is permissible Slightly trim the pipe ends inside and outs...

Page 12: ...g to the refrigerant system 4 5 Pipes Pipes and system components must be clean and dry inside and free of scale swarf and layers of rust and phosphate Only use hermetically sealed parts Lay pipes cor...

Page 13: ...amage possible Improperly installed pipes can cause cracks and tears which can result in a loss of refrigerant Proper layout of the suction and pressure lines directly after the compressor is integral...

Page 14: ...indle Spindle Connection open Compressor Compressor Service connec tion closed Service connec tion opened 4 Compressor assembly To ensure the oil return function will work reliably no matter what kind...

Page 15: ...imum bending radius of 3 x the cable diameter must be maintained for laying the cable 5 Electrical connection 5 1 Information for contactor and motor contactor selection All protection equipment switc...

Page 16: ...50437934291en US0301 Danfoss Climate Solutions 2023 09 5 Electrical connection Designation on the name plate Y 5 2 Connection of the driving motor The compressor is designed with a motor for star delt...

Page 17: ...oltage Bas voltage Y Hohe Spannung High voltage Haut voltage L3 L1 L2 L3 L1 L2 ctrical connection cordement lectrique Y 96027 11 06 DGbF Niedere Spannung Low voltage Bas voltage Y Hohe Spannung High v...

Page 18: ...1 I I I 1 2 QA2 3 4 5 6 EC1 3 M 5 3 Circuit diagramm for direct start 230 V 400 V Y Fig 14 Compressor terminal box BT1 Cold conductor PTC sensor motor winding BT2 Thermal protection thermostat PTC se...

Page 19: ...09 AQ450437934291en US0301 19 BP1 P QA2 BP2 P L1 1 L2 1 L3 1 L1 2 N PE BT3 BT2 BT2 EB1 QA1 Main switch SF1 Control voltage switch EC1 Compressor motor QA2 Compressor contactor INT69 G Electronic trigg...

Page 20: ...ates according to the quiescent current principle i e the relay drops into a the idle position and deactivates the motor contactor even in case of a sensor break or open circuit Connect the trigger un...

Page 21: ...be observed 1 The maximum permissible operating current of the compressor I max see type plate or technical data must not be exceeded 2 If abnormal vibrations occur in the system the affected frequenc...

Page 22: ...y If however the entire system is to be subjected to a pressure integrity test this should be carried out in accordance with UL CSA Standards or a corresponding safety standard without the inclusion o...

Page 23: ...system To eliminate the possibility of dry ice formation when the system is operating during and after the filling process the shut off point of the low pressure switch should be set to a value of at...

Page 24: ...too high oil must be drained off danger of oil liquid shocks reduced capacity of the refrigerating system Ensure that both shut off valves are open before starting the compressor If larger quantities...

Page 25: ...ivates repeatedly check valve and replace if necessary as during blow off extreme condi tions can occure which may result in a permanent leak Always check system for refrigerant loss after activation...

Page 26: ...y recommended especially for heat pump applications Otherwise there is a risk of back condensation which can cause compressor damage Slugging can result in damage to the compressor and cause refrigera...

Page 27: ...e shut off valve etc and remove the compressor using an appro priate hoist Dispose of the oil inside in accordance with the applicable national regulations When decommissioning the compressor e g for...

Page 28: ...V 380 420 V Y 3 50 Hz 265 290 V 440 480 V Y 3 60 Hz 19 5 11 3 8 3 11 111 64 30 70 245 19 3 4 22 7 8 1 5 53 1 3 46 55 S 7 CO 2 T 24 8 14 3 9 9 13 169 98 254 55 SH 7 CO 2 T 24 9 14 4 9 9 13 169 98 254 7...

Page 29: ...l values The specifications for max power consumption apply for 60 Hz operation Take account of the max operating current max power consumption for design of fuses supply lines and safety devices Fuse...

Page 30: ...80 420 V Y 3 50 Hz 265 290 V 440 480 V Y 3 60 Hz 17 6 10 2 8 3 11 93 54 30 70 247 19 3 4 22 7 8 1 5 53 1 3 46 55 SP 7 CO 2 T 21 4 12 4 9 8 13 117 67 256 55 SHP 7 CO 2 T 21 4 12 4 9 8 13 117 67 256 70...

Page 31: ...l values The specifications for max power consumption apply for 60 Hz operation Take account of the max operating current max power consumption for design of fuses supply lines and safety devices Fuse...

Page 32: ...ML S CO2 LT 16341 16340 UL HGX24e HGX24 70 MLP SP SHP 7 9 CO2 T 16473 16474 16475 UL HGX24 70 MLP SP SHP 7 9 CO2 T 16569 16570 16571 HGX24e 145 4 ML S CO2 LT 16343 16342 UL HGX24e HGX24 90 MLP SP SHP...

Page 33: ...oil separator 1 4 NPTF E Connection oil pressure gauge 1 8 NPTF F Oil drain M12x1 5 I Connection hot gas temperature sensor 1 8 NPTF J1 Oil sump heater 3 8 NPTF K Sight glass 1 1 8 18 UNEF L Connecti...

Page 34: ...K X 20 120 K N TK FK X 50 980 K N TK Serial number BC00000A001 BN99999Z999 complies with the following provisions of the above mentioned Directive According to Annex I points 1 1 2 1 1 3 1 1 5 1 3 2 1...

Page 35: ...20 120 K N TK FK X 50 980 K N TK Serial number BC00000A001 BN99999Z999 complies with the following provisions of the above mentioned Statutory instrument According to Schedule 2 part1 points 1 1 2 1...

Page 36: ...anfoss Climate Solutions 2023 09 11 UL Certificate of Compliance Dear customer the Certificate of Compliance can be downloaded by the following QR Code https vap bock de stationaryapplication Data Doc...

Page 37: ...D US Danfoss Climate Solutions 2023 09 AQ450437934291en US0301 37...

Page 38: ...D US 38 AQ450437934291en US0301 Danfoss Climate Solutions 2023 09...