AIR COOLED WATER CHILLER FROM110,8 KWTO684 KW

AIR COOLED WATER CHILLERFROM 110,8 KW TO 684 KW

Heat pump

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ATMOS

DRACO

TAURUS

VEGA

ORION RMC

ORIONVRHT

ORIONVRMC

AIRCOOLEDWATERCHILLERS

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Size

Model Number Nomenclature

• Other features: water side differential pressure switch, relief valve.

• Microprocessor: it managesautomatically the regulation of the water temperature, the compressor timings and rotations,and the alarms. It indicates on the display the operating status of the unit, the delivery and return water temperatures fromthe plant and the alarms code.

• Electrical board: it includes an automatic main circuit breaker with door safety interlock, safe fuses for compressors,automatic control circuit breaker, compressor and fan remote controls (except for version ECor FSC),phase sequencecontrol, terminal board for the unit-microprocessor interface. All wires and clamps are numbered.

• Refrigerant circuit: made of pickled copper, it includes:liquid line shut off faucet, dehydrator filter, high and low pressure switches, sight glass and humidity indicator, serviceconnections, solenoid valve and security valve. High and low pressure switches and pressure transducers. Thethermostatic expansion valve is standard for models 110.1 and 140.1

• Water side heating exchanger: plate type for units till 2 modules, optimized for modern refrigerants, designed for highperformances and reliability. Shell and tube with double refrigerant circuit for units with more than 2 modules.Composed by: header, tube-plate, shell and refrigerant connections in stainless steel, exchanger tubes in copper SfCu01N1787, brass diaphragms, gasket in asbestos-free agglomerate, stainless steel screw. The exchanger is covered withinsulation to avoid condensate and heat exchangewith the external environment.

• Air side heating exchanger: with aluminum microchannel finned coils, or aluminum finned coils. microchannel finnedcoils permits a plus 15% performing and a gas charge reduction of over 30%. The E-Coating Electrofin options is suitableas anti-corrosion solution for aggressiveenvironments.

• Fans:axial type coupled to the electric motor directly, 3phase and 6poles with internal electrical protection. They permitan optimal air flow through the finned coil with top rated energy efficiency and excellent noise.The electrical insulation is of 2 category, level protection IP54.

• Compressors: 3-phase scroll compressors, in high efficiency tandem arrangement With reduced noiseless they achievethe heating needs efficiently.

• Frame: Self-supporting galvanized steel modular frame protected with polyester powder painting RAL7037PB,weatherresistant Steel screws and bolts. Compressors are situated in a sound proof vane and separated from the air box.

Technical Features

Air condensing refrigerant unit for outdoor installation, with axial fan and micro-channel finned coil or finned coil inaluminum. The modular constructive approach of the V-shaped coil layout permits less room taken while leaving wholesuction surface. Reduceddimensions mean reduced unit installation area, an optimization of the technical spacesand lessroom for the building site itself.Designed for a quite running, reliable and efficient, they result to be extremely easy to install and require lowermaintenance. Every single unit is tested in our company and supplied with oil and refrigerant agent required forfunctioning.

General FeaturesAir Conditioners

Liquid receiver: permits the correct refrigerant supply to the thermal expansionvalve during external temperature variations.

Total heat recovery: heat exchangerthat allows the condensationheat recovery for others uses.

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Operating kit up to -25·Cexternal air temperature: it allows to the chiller to operate withlow external temperatures increasingthe working limits.

Compressor faucet valves: they isolate the compressors from the cooling circuit byenhancingthe maintenanceoperations.

Electronic expansion valve: for the condensed refrigerant rolling. In comparison with thethermostatic valve it enables fast response time according to the load variation byenhancingthe unit performances.

Refrigerant gauges:installed on the unit, they show the operative pressuresof the coolingcircuit on high and low pressureside.

De-superheaters:permits to recover till 25%of condensingheating for other purposes.

Capacitor bank for compressor: the tools brings the consumption of the unit to cos<l>=0,95by decreasingthe absorbedreactive power

Control system and remote assistance: it allows the assistanceand the unit control bymeansof web browser.Web server remote connection through corporate network. In caseof alarm an alert canbe sent viaSMSor e-mail. Forsimultaneouscontrol till 6 or 18units.

Compressorssoft starters: enablesthe gradual start of compressorsby limiting the initial starting current.

Accessories

Pressure differential switch water side: itworks as flow control, it operate when theflow water reach the minimum level.

Microprocessor:it controlsall devicefunctions. Electronic expansion valve: it laminates thecondensedrefrigerant.

Air-cooler exchanger:with aluminum micro channelfinned coil,or aluminum finned coil.

Water-cooler exchanger:platesand shell& tubes type. Suitableformodern refrigerants. Forhighefficiencyand reliability.

Fan: axial fan type provided with nozzleandprotection grill. It allows an optimal air flowthrough the finned coil with minimal noiselevel and power consumption.ICompressor: scroll high efficiency 3-phase

compressor.For low noiseworking.

Main componentsAir Conditioners

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ATMOS

DRACO

TAURUS

VEGA

ORION RMC

ORIONVRHT

ORIONVRMC

AIRCOOLEDWATERCHILLERS

Spring anti-vibration dampers: they are more effective than rubber dampers, reduce thevibrations transmissionproduced by the device.

Rubber anti-vibration dampers: they reduce the vibrations transmissionproduced by thedevice.

Super low noise version: it includes the noiselessversions tools plus an implementedcondensingcoil and compressorsinsulation with soundproofing material.

Noiselessversion: with Flowgrid tool, patented by EBMpapst.it reducesthe fan noise ofabout 3 dB(A)dependingon the type of installation.

ECfans: With BLOCbrushlessmotor, with internal protection and fan speedcontrol integrated.Internal electrical insolatedwith protection classI, IP$4, accordingto norm EN61800-$-1.The impellers are housed in aerodynamically shaped enclosures to increase the efficiency and decrease the noise level,complete with fan guards.

Fansspeedcontrol: the phasecut speedcontroller adjusts the air flow in order to optimizethe condensation(or heat pump evaporation); the devicereducesthe absorbedpower andthe noiseduring partial loads.

Special treatment: In case the units are to be located near the seasideor in aggressiveenvironment we recommend toprotect the exchangerwith suitable anti-corrosion treatments:- Copperfinned coils cu/cu- Treatedfinned coils

Metallic filter coil protection: galvanizedsheetsteel frame - 12,5mm

Flow switch: mounted on the exit of the exchanger(user side) detects the water flow lackby an alarm to the control system.

Inlet water filter: retains impurities of the water circuit which can damage the pumpingunit and the exchanger.

Expansion vessel: absorbs liquid volume variations caused by working temperaturevariations. Inepoxypowder coated steel, long-lastingduration with steadymembranemadein SBRrubber.

Complete Hydraulic kitPump: it gives to the water the pressure head necessaryto passthrough the hydrauliccircuit and reach the terminals. Tank: made in high-quality carbon steel, insulated withinjected rigid polyurethane with low thermal conductivity to minimize dispersions.

Pump kit: it gives to the water the pressurehead necessaryto passthrough the hydrauliccircuit and reachthe terminals.

AccessoriesAir Conditioners

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Technical Features

ELEVATION COOLING CAPACITY ELECTRIC POWER[m] CORRECTION FACTOR CORRECTION FACTOR0 1 1600 0,987 1,010 www.frostitoly.it

1.200 0,973 1,020 851.800 0,958 1,0302.400 0,943 1,040

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VEGA

ORION RMC

ORIONVRHT

ORIONVRMC

AIRCOOLEDWATERCHILLERS

ELEVATION CORRECTION FACTORCHILLER AIR TO WATER

Ethylene glycol percent by weight (%)

Evaporator fouling factors (m 2 °C/W) Fl F2° (Clean evaporator) 1 10.44 X 10.4 0,98 0,990.88 x 10.4 0,96 0,991.76 x 10.4 0,93 0,98F1 = capacity correction factorsF2 = compressor power input correction factors

Unit performances reported in the table are given for the condition of clean exchanger (fouling factor=O). For different foulingfactors values, unit performances should be corrected with the correction factors shown above.

Fouling FactorCorrection

Operation Limits Cooling

mIlD ~*Inlet water temperature (0C) 9 23Outlet water temperature (0C) 4 18Ambient air temperature (0C) 5 40Ambient air temperature with kit -25~ (0C) -25 40* Without ethylene glycol

Nominal conditions:Air ambient temperature T=35°C

Water temperature T=12/rC

(1) Full sound pressure level measured at 10m from the unit in free field (1503744)

ReferencesConditions

Air Conditioners

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ORION R-MC

STORAGETANK (liter) max

Absorbed power kW 1,50 2,20 3,00 4,00 7,50 11,00

Absorbed current A 3,17 4,56 6,33 7,62 14,10 20,20

Electrical supply V/Hz/ Ph 400- 50-3+N+PE

Hydraulic connections 'Q/DN 2" 150

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PUMP MODEL

All the units can be provided with hydraulic kit with various configurations:-pump kit-double pump kit-up modul complete of pump kit and storage-up modul complete of double pump kit and storageKit pump: supplied with pump mounted inside the unit, with pump delivery connected to the evaporator inlet. (till size 170.1 thepump is supplied not mounted), circuit breaker and contactor.The pump managing is provided by the microprocessor directly.Kit double pump: supplied with n. 2 pumps mounted inside the unit, with pump delivery connected to the evaporator inlet. (notavailable till size 170.1). Supplied with check (non-return) valve on pump delivery, gate valves before and after every pump, circuitbreaker and contactor on every pump.The pump managing is determined by the microprocessor with time commutation (to balances operating hours).or mounted on the UP unitUP Pumping stations with water storage tankPossibility of personalization for capacity and power, they are completed with water pump, storage tank, all hydraulic and electricalcomponents.Frame: Self-supporting galvanized steel sheet frame protected with polyester powder painting, to resist to the external agents. Steelscrews and bolts.Hydraulic components: centrifugal pump with stainless steel structure and single-phase electric motor or 2-pole three-phase,vertical water storage tank, safety valve, air vent valve and discharge faucet.Electrical panel: composed of a general circuit breaker with door lock, automatic circuit breaker, remote control switch pump.All wires and terminals are identified according to norm EN60204.Pump: single-phase / three-phase centrifugal type available in 10 different models,with mechanical seal for either pure water or mixtures with glycol greater than 30%.Storage tank: vertical water storage with rigid polyurethane insulation with external aluminum covering.VOLUME 300-500-800-1000-1500 litres.Relief valve: it eliminates the air in the hydraulic circuit.Security valve: it intervenes when the pressure in the hydraulic circuit reach an excessive value.Discharge faucet

COMPLETE HYDRAULIC KIT

Air Conditioners

87

SIAL

ATMOS

DRACO

TAURUS

VEGA

ORION RMC

ORIONVRHT

ORIONVRMC

680.5

630.5

580.4

540.4

450.3

410.3

360.3

310.2

280.2

220.2

140.1

110.1

Air Conditioners

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Air Conditioners

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SIAL

ATMOS

DRACO

TAURUS

VEGA

ORION RMC

50

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ORIONVRHTMODUL4

ORIONVRMC

AIRCOOLEDWATERCHILLERS

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Air Conditioners