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LPCO2 SystemRefrigerated Storage UnitsJanus Fire Systems Low Pressure Carbon Dioxide Refrigerated Storage Units are specifically designed to store the carbon dioxide agent supply utilized in the Janus Fire Systems Low PressureCarbon Dioxide Fire Extinguishing System. Each storage unit consists of an insulated pressurevessel, outer shell, integrated refrigeration unit, ASME safety relief and bleeder valve(s), and liquidlevel and pressure gauges. Each unit has appropriately sized piping outlets for filling, discharge ofCO2, and connection of the extinguishing system vapor supply. Janus Fire Systems Low PressureCarbon Dioxide Refrigerated Storage Units have capacities that range from 1.25 to 38 tons and areavailable in horizontal and vertical orientations.FEATURESThe pressure vessel is built in accordance with Section VIII, Division 1 of the ASME Code for Unfired Pressure Vessels. A 4 in (102 mm) layer of polyurethane acts as insulation between the vesseland the painted steel (14-gauge) outer housing.1/2” (15 mm)Pilot SupplyLockout Valvew/ Limit SwitchLiquid LevelIndicatorSafety ReliefValvePressureGaugeRefrigerationHousing1” (25 mm) VaporEqualizing Line w/CGA FittingBleeder ValveSafety ReliefValveFlanged CO2Discharge Outlet(Size Varies)LiftingLugs1-1/2” (40 mm)Liquid Fill Linew/ CGA Fitting2” (50 mm)Auxiliary Liquid OutletTankSaddlesTypical Low Pressure Carbon Dioxide Storage UnitDS1081Revised: 3-May-2013 2009 Janus Fire Systems. All rights reserved (2/2009) Janus Fire Systems is a registered trademark of Janus Fire Systems.

The vessel has an integrated refrigeration system that utilizes CFC-free R-404A refrigerant. A pressure switch monitors the internal pressure of the vessel and controls the refrigeration compressor.The optimal internal pressure is 300 psi (20.7 bar). The refrigeration coils are located in the pressure vessel vapor space to provide the required cooling of the CO2 vapor. When the CO2 pressurewithin the vessel reaches approximately 310 psi (21.4 bar), the pressure switch closes startingthe compressor. It continues running, cooling the CO2 until pressure within the vessel drops to 295psi (20.3 bar) at which point the pressure switch opens and the compressor stops operating. Anoptional external tank heater is available to maintain CO2 pressure in severe low temperatures andis recommended where temperatures are below -10 F (-23.3 C) for seven (7) consecutive days.Each storage unit is fitted with pressure and liquid level gauges. In the event of power failure, ableeder valve set at 341 psi (23.5 bar) allows a small amount of vaporous CO2 to bleed out of thevapor space providing natural cooling of the liquid CO2 within the vessel. An ASME VIII approvedsafety valve provides emergency pressure relief should the bleeder valve be unable to maintain theCO2 pressure and is set to open at 357 psi (24.6 bar).The standard voltage for 42” storage units is 120V, 1 phase, 60 Hz, while the 54”, 78”, and verticalstorage units are 460V, 3 phase, 60 Hz. Alternative voltage refrigeration systems are available.Optional dual refrigeration units are available. Each refrigeration unit for this option is designed tooperate as a standalone system with individual refrigeration compressors, controls, and coils. Therefrigeration controls operate both refrigeration units independently to enable the units to cycleseparately. The refrigeration system has a separate pressure control switch set at approximately315 psi (21.7 bar) rise to operate both units simultaneously should a high ambient condition requireadditional cooling capacity.RefrigerationCondensing HousingVaporLiquid4” (102 mm) Thick Flame ResistantPolyurethane Insulating FoamPressureVesselRefrigerationEvaporator CoilTypical Low Pressure Carbon Dioxide Storage Unit Interior ViewDS1081Revised: 3-May-2013Page 2 of 10ManwayCover

42” LPCO2 Storage UnitD24.53 in623 mm63.82 in1621 mm21.00 in533 mmB33.00 in838 mmCA78.58 in1996 mm9.75 in248 mm54.00 in1372 mm4” (100 mm)DischargeOutlet50.00 in1270 mm6.00 in152 mmDimensionsNominalTankCapacityP/N1.25 ton2.75 234.587649502245¹ 1.25-Ton Storage Unit does not have lifting lugs.DS1081Revised: 3-May-2013EmptyWeightDPage 3 of 10

54” LPCO2 Storage Unit62.00 in1575 mm10.00 in254 mm6” (150 mm)DischargeOutlet94.10 in2390 mm15.00 in381 mm32.49 in825 mmDC66.00 in1676 mm78.69 in1999 mm25.52 in648 mmE42.00 in30.00 in 1067 mm762 mmBAFigure 2.1 Storage Unit DimensionsDS1081Revised: 3-May-2013DimensionsNominalTankCapacityP/N4 ton6 00.9510369.5176513.033054.5138463.51613900040828 0750487610 12500567012 140006350Page 4 of 10

78” LPCO2 Storage Unit8” (200 mm)DischargeOutlet50.91 in1293 mm86.00 in2184 mm88.41 in2246 mmBC107.83 in2739 mm18.25 in464 mm94.00 in2388 mmD103.00 in2616 mm68.00 in1727 mm54.25 in1378 mm91.25 in2318 mm72.33 in1837 mmA42.25 in1073 mmNominalTankCapacityDS1081Revised: inmmlbkg63.051602125.003175123.00312420000907217 ton19361 312.88794724 ton19362 31 ton19363 338 ton19364 0Page 5 of 10

Vertical LPCO2 Storage UnitD72.0 in1829 mmB6” (150 mm)DischargeOutletEC71.7 in1821 mm73.6 in1870 mm60.6 in1540 mmADS1081Revised: 3-May-2013DimensionsNominalTankCapacityP/N6 .01727227.6578281.0205736.091488.4224510000453614 516000725730 ton1936892.02337428.1 10874 105.0266760.01524112.4285530500 13835Page 6 of 10

Ordering Information (42” Low Pressure Carbon Dioxide Storage Units)P/NTank Size193541.25 tonStorage Unit, LPCO2, 42”Description (see below for options)193552.75 tonStorage Unit, LPCO2, 42”Ordering Instructions: Specify the LPCO2 Storage Unit P/N followed by a dash and theappropriate three digit option code as illustrated below.Liquid Level Gauge Options:0 Standard (Liquid Level Gauge w/ Contacts)A Liquid Level Gauge w/ 4-20 mA outputP/N as indicated aboveXXXXX-XXXCondensing Unit Options:A 3/4 HP – 115 V – 1 PHB 3/4 HP – 230 V – 1 PHC 1 HP – 230 V – 3 PHPaint Color Options:A RedB WhiteS SpecialNote:All condensing units operate at both 50Hz and 60Hz. However, operating at50Hz reduces the refrigeration capacity to 83%Examples:19354-C0B – Storage Unit, LPCO2, 42”, 1.25 ton, 230 V, 3 PH, 1 HP,Standard LLG, White19355-AAB – Storage Unit, LPCO2, 42”, 1.25 ton, 115 V, 1 PH, 3/4 HP,LLG w/ 4-20 mA output, WhiteDS1081Revised: 3-May-2013Page 7 of 10

Ordering Information (54” Low Pressure Carbon Dioxide Storage Units)P/NTank Size193564 tonStorage Unit, LPCO2, 54”Description (see below for options)193576 tonStorage Unit, LPCO2, 54”193588 tonStorage Unit, LPCO2, 54”1935910 tonStorage Unit, LPCO2, 54”1936012 tonStorage Unit, LPCO2, 54"Ordering Instructions: Specify the LPCO2 Storage Unit P/N followed by a dash and theappropriate three digit option code as illustrated below.Liquid Level Gauge Options:0 Standard (Liquid Level Gauge w/ Contacts)A Liquid Level Gauge w/ 4-20 mA outputP/N as indicated aboveXXXXX-XXXCondensing Unit Options:D 1-1/2 HP – 230 V – 1 PHE 1-1/2 HP – 230 V – 3 PHF 1-1/2 HP – 380/460 V – 3 PHG 2 HP – 230 V – 1 PHH 2 HP – 230 V – 3 PHI 2 HP – 380/460 V – 3 PHJ 2 HP – 575 V – 3 PHT 2-1/2 HP – 380/460 V – 3 PHU 2-1/2 HP – 230 V – 3 PHV 2-1/2 HP – 575 V – 3 PHPaint Color Options:A RedB WhiteS SpecialNotes:1-1/2 Horse Power Condensing Units are standard for 4 and 6-Ton StorageUnits.2 Horse Power Condensing Units are standard for 8 and 10-Ton StorageUnits.2-1/2 Horse Power Condensing Units are standard for 12-Ton Storage Units.All condensing units operate at both 50Hz and 60Hz. However, operating at50Hz reduces the refrigeration capacity to 83%Examples:19357-D0B – Storage Unit, LPCO2, 54”, 6 ton, 230 V, 1 PH, 1-1/2 HP,Standard LLG, White19358-JAB – Storage Unit, LPCO2, 54”, 8 ton, 575 V, 3 PH, 2 HP, LLG w/4-20 mA output, WhiteDS1081Revised: 3-May-2013Page 8 of 10

Ordering Information (78” Low Pressure Carbon Dioxide Storage Units)P/NTank Size1936117 tonStorage Unit, LPCO2, 78”Description (see below for options)1936224 tonStorage Unit, LPCO2, 78”1936331 tonStorage Unit, LPCO2, 78”1936438 tonStorage Unit, LPCO2, 78”Ordering Instructions: Specify the LPCO2 Storage Unit P/N followed by a dash and theappropriate three digit option code as illustrated below.Liquid Level Gauge Options:0 Standard (Liquid Level Gauge w/ Contacts)A Liquid Level Gauge w/ 4-20 mA outputP/N as indicated aboveXXXXX-XXXCondensing Unit Options:K 3 HP – 230 V – 3 PHL 3 HP – 380/460 V – 3 PHM 3 HP – 575 V – 3 PHN 4 HP – 230 V – 3 PHO 4 HP – 380/460 V – 3 PHP 4 HP – 575 V – 3 PHQ 6 HP – 230 V – 3 PHR 6 HP – 380/460 V – 3 PHS 6 HP – 575 V – 3 PHPaint Color Options:A RedB WhiteS SpecialNotes:3 Horse Power Condensing Units are standard for 17 and 24-Ton Storage Units.4 Horse Power Condensing Units are standard for 31 and 38-Ton Storage Units.All condensing units operate at both 50Hz and 60Hz. However, operating at 50Hzreduces the refrigeration capacity to 83%Examples:19361-K0B – Storage Unit, LPCO2, 78”, 17 ton, 230 V, 3 PH, 3 HP, StandardLLG, White19364-OAB – Storage Unit, LPCO2, 78”, 28 ton, 575 V, 3 PH, 4 HP, LLG w/4-20 mA output, WhiteDS1081Revised: 3-May-2013Page 9 of 10

Ordering Information (Vertical Low Pressure Carbon Dioxide Storage Units)P/NTank SizeDescription (see below for options)193666 tonStorage Unit, LPCO2, Vertical1936714 tonStorage Unit, LPCO2, Vertical1936830 tonStorage Unit, LPCO2, VerticalOrdering Instructions: Specify the LPCO2 Storage Unit P/N followed by a dash and theappropriate three digit option code as illustrated below.Liquid Level Gauge Options:0 Standard (Liquid Level Gauge w/ Contacts)A Liquid Level Gauge w/ 4-20 mA outputP/N as indicated aboveXXXXX-XXXCondensing Unit Options:D 1-1/2 HP – 230 V – 1 PHE 1-1/2 HP – 230 V – 3 PHF 1-1/2 HP – 380/460 V – 3 PHG 2 HP – 230 V – 1 PHH 2 HP – 230 V – 3 PHI 2 HP – 380/460 V – 3 PHJ 2 HP – 575 V – 3 PHK 3 HP – 230 V – 3 PHL 3 HP – 380/460 V – 3 PHM 3 HP – 575 V – 3 PHN 4 HP – 230 V – 3 PHO 4 HP – 380/460 V – 3 PHP 4 HP – 575 V – 3 PHQ 6 HP – 230 V – 3 PHR 6 HP – 380/460 V – 3 PHS 6 HP – 575 V – 3 PHPaint Color Options:A RedB WhiteS SpecialNotes:1-1/2 Horse Power Condensing Units are standard for 6-Ton Storage Units.3 Horse Power Condensing Units are standard for 14-Ton Storage Units.4 Horse Power Condensing Units are standard for 30-Ton Storage Units.All condensing units operate at both 50Hz and 60Hz. However, operating at 50Hzreduces the refrigeration capacity to 83%Example:19366-D0B – Storage Unit, LPCO2, Vert, 6 ton, 230 V, 1 PH, 1-1/2 HP, Standard LLG,WhiteThe seller makes no warranties, express or implied, including, but not limited to, the implied warranties of merchantability andfitness for a particular purpose, except as expressly stated in the seller’s sales contract or sales acknowledgment form. Everyattempt is made to keep our product information up-to-date and accurate. All specific applications cannot be covered, nor canall requirements be anticipated. All specifications are subject to change without notice.1102 Rupcich DriveMillennium ParkCrown Point, IN 46307TEL: (219) 663-1600 FAX: (219) 663-4562e-mail: S1081Revised: 3-May-2013Page 10 of 10

Janus Fire Systems Low Pressure Carbon Dioxide Refrigerated Storage Units are specifically de-signed to store the carbon dioxide agent supply utilized in the Janus Fire Systems Low Pressure Carbon Dioxide Fire Extinguishing System. Each storage unit consists of an insulated pressure vessel, outer shell, integrated refrigeration unit, ASME safety relief and bleeder valve(s), and liquid .