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AQ450435606290en-US0201

Operating guide

Reciprocating

 

Compressor

BOCK

®

 UL-HGX

12

e CO

2

 LT

UL-HGX12e/20 ML 0,7 CO

LT 

UL-HGX12e/20 S 1 CO

LT

UL-

HGX12e/30 ML 1 CO

LT

 

UL-

HGX12e/30 S 2 CO

LT

UL-

HGX12e/40 ML 2 CO

LT

 

UL-

HGX12e/40 S 3 CO

LT

Translation of the original instructions

Содержание BOCK UL-HGX12e CO2 LT

Страница 1: ...e Reciprocating Compressor BOCK UL HGX12e CO2 LT UL HGX12e 20 ML 0 7 CO2 LT UL HGX12e 20 S 1 CO2 LT UL HGX12e 30 ML 1 CO2 LT UL HGX12e 30 S 2 CO2 LT UL HGX12e 40 ML 2 CO2 LT UL HGX12e 40 S 3 CO2 LT Tr...

Страница 2: ...product safety labels Refer to local building codes for installation requirements CO2 applications require a completely new kind of system and control They are not a general solution for the substitut...

Страница 3: ...16 5 3 Circuit diagram for direct start 280 V 460 V Y 18 5 4 Electronic trigger unit INT69 G 20 5 5 Connection of the electronic trigger unit INT69 G 20 5 6 Functional test of the electronic trigger u...

Страница 4: ...g compressors are pressurized machines and therefore require particular caution and care in handling The maximum permissible overpressure must not be exceeded even for testing purposes Danger of suffo...

Страница 5: ...cted and approved in accordance with legal regulations The compressors are intended for use with CO2 in transcritical and or subcritical systems in compli ance with the limits of application Only the...

Страница 6: ...kept on a relatively low temperature 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 pr...

Страница 7: ...change the IP protection class 2 2 Name plate example 2 Product description 1 2 3 4 5 13 12 7 11 6 10 8 9 SE 55 27 3 32 8 UL HGX12e 40 S 3 CO2 LT 10 7 6 2A 111A 64A BC12345A001 Bock GmbH Benzstr 7 726...

Страница 8: ...f the sight glass damage to the compressor is possible if overfilled or underfilled Fig 4 max min 21 fl oz 0 6 Ltr Oil level 3 Areas of application 3 1 Refrigerants R744 CO2 required CO2 quality 4 5 5...

Страница 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...

Страница 10: ...1 Storage and transportation Use transport eyelet Do not lift manually Use lifting gear Storage at 22 F 158 F 30 C 70 C maximum permissible relative humidity 10 95 no condensation Do not store in a co...

Страница 11: ...from the valve for soldering and accordingly cool the valve body during and after soldering Only solder using inert gas to inhibit oxidation products scale 4 Compressor assembly B1 A1 4 5 Flange shut...

Страница 12: ...es 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 to the smooth running and vibration be...

Страница 13: ...peration Pipe connection Pipe connection Fig 11 Opening the shut off valve Spindle turn to the left counter clockwise as far as it will go Shut off valve completely opened service connection closed Fi...

Страница 14: ...ion is already available from the factory for the purpose of installing the additional oil level monitoring component Oil should be returned from the oil separator to the compressor via the D1 connect...

Страница 15: ...ttaching accessories with an electrical cable a minimum bending radius of 3x the cable diameter must be maintained for laying the cable 5 Electrical connection 5 1 Information for contactor and motor...

Страница 16: ...50435606290en US0201 Danfoss Climate Solutions 2023 06 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...

Страница 17: ...re Spannung Low voltage Bas voltage Y Hohe Spannung High voltage Haut voltage L3 L1 L2 L3 L1 L2 ical connection rdement lectrique Y 96027 11 06 DGbF Niedere Spannung Low voltage Bas voltage Y Hohe Spa...

Страница 18: ...7 6 5 4 3 2 1 FC1 1 I I I 1 2 QA2 3 4 5 6 EC1 3 M 5 3 Circuit diagramm for direct start 280 V 460 V Y Fig 13 Compressor terminal box BP1 High pressure safety monitor BP2 Safety chain high low pressure...

Страница 19: ...450435606290en US0201 19 BP1 P QA2 BP2 P L1 1 L2 1 L3 1 L1 2 N PE BT3 BT2 BT2 EB1 FC1 1 Motor protection switch FC2 Control power circuit fuse INT69 G Electronic trigger unit INT69 G QA1 Main switch Q...

Страница 20: ...remedy the cause The relay switching output is executed as a floating changeover contact This electrical circuit operates according to the quiescent current principle i e the relay drops into a the id...

Страница 21: ...oil sump heater must generally be connected and operated 5 8 Selection and operation of compressors with frequency converters For safe operation of the compressor the frequency converter must be able...

Страница 22: ...Pressure strength test The compressor has been tested in the factory for pressure integrity If however the entire system is to be subjected to a pressure integrity test this should be carried out in...

Страница 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...

Страница 24: ...f oil liquid shocks reduced capacity of the refrigerating system Ensure that both shut off valves are open before starting the compressor If larger quantities of oil have to be topped up there is a ri...

Страница 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...

Страница 26: ...e compressor while the system is at a standstill Slugging can result in damage to the compressor and cause refrigerant to leak 6 10 Filter dryer Gaseous CO2 has a significantly lower solubility in wat...

Страница 27: ...ronment It is essential to ensure good ventilation or conduct the CO2 into the outdoors to avoid danger of suffocation When releasing CO2 avoid a fast drop in pressure to prevent oil from exiting with...

Страница 28: ...r locked permissible frequency range Discharge line DV Suction line SV 50 60 Hz Y Y cfh V A kW HP A Hz lb mm inch mm inch Ltr fl oz Ltr fl oz 20 ML 0 7 CO 2 LT 2 61 73 265 290 V 440 480 V Y 3 60 Hz 4...

Страница 29: ...current on request 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 de...

Страница 30: ...Schweissanschl Transkritische Ausf hrung transcritical version Subkritische Ausf hrung subcritical version Typ type Teile Nr part no Typ type Teile Nr part no Typ type Teile Nr part no Typ type Teile...

Страница 31: ...e lockable 7 16 UNF D1 Connection oil return from 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 J Connection Oil...

Страница 32: ...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...

Страница 33: ...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...

Страница 34: ...anfoss Climate Solutions 2023 06 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...

Страница 35: ...D US Danfoss Climate Solutions 2023 06 AQ450435606290en US0201 35...

Страница 36: ...D US 36 AQ450435606290en US0201 Danfoss Climate Solutions 2023 06...

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