Q u a s a rr e f r i g e r a t i o n d r y i n g s o l u t i o n s

W H Y Q U A S A R ?Large industries vary considerably in nature, but they all share a common

feature: they demand absolute reliability, 24 hours a day, 365 days a year.

The cost of even a single day of lost production, or the risk of any damage

to either the operation process or finished goods,

could have extremely costly consequences.

Modern industry increasingly depends on compressed air

as its source of energy. This compressed air itself however contains

condensate and impurities which, if not effectively removed, will significantly

put the factory’s operation at risk. Hiross’ Quasar, born from the know-how

provided by the world’s premium large dryer manufacturer with over 40 years

worldwide experience in this sector, has been specifically

designed to guarantee maximum plant efficiency and minimum

system costs at all times. And this in a package featuring numerous novel

features offering significant customer benefits.

Users looking for optimized factory efficiency and reduced maintenance,

guaranteed by a solution offering total reliability

and the most advanced technical solutions,

need look no further than the

Quasar range of refrigeration dryers.

QUASAR BENEFITS

• advanced technical solutions • high reliability, low maintenance • low power consumption • new definition of environmental friendliness • stand-by feature

Every compressed air network differs from that of the next. Each customer solution needs to be

personalised according to the application, the conditions, the local laws and the

environmental legislations. Total Customer Care ensures expert consultancy in the

selection of the optimum solution for each individual need. A solution created

by people who know the user’s application. A solution which offers the best

performance at the lowest cost, in conformance to all local legislations. A

solution born from over 40 years experience as a leader in compressed air

treatment technology. And thanks to the extensive range

of Hiross products, a solution without compromises.

But, as the name implies, Total

Customer Care goes well beyond

simply designing a compressed

air network. We stay close to the

user, ensuring the system is correctly

installed and commissioned.

Regular service, dedicated preventive

maintenance kits, factory auditing,

training for the local personnel,

and worldwide support ensure

that the user’s system operates

perfectly, and at the minimum

cost, at all times and for many

years to come.

And because neither time,

nor technology, stands still, we ensure our

users will continuously receive the very best

support and the most advanced solutions.

Solutions which will allow our users

to concentrate on doing

what they know best, maximizing their business.

Welcome to Total Customer Care.

TOTAL CUSTOMER CARE

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The standard shell-&-tubewater-cooled condenserensures extremely low water side pressure dropsand requires minimal maintenance. Air-cooledversions are also available.

The heat exchanger can beeasily accessed, in the unlikely case of extraordinarymaintenance being required,by means of a central flange(QSR170-350).

The optional low pressuredrop pre-filter keeps the heat-exchanger clean and reducessystem maintenance require-ments. A flange offers quickaccess to the pre-filter itself.

QUASAR VESSEL DESIGN

The patented single vessel maximizessimplicity and performance, in a compact maintenance free design.

Twin compliant scroll compressors (standard upto 225 m3/min.)offer numerous real user benefits, including: significantly reduced power consumption; real 50% energy savings at partialload as one compressor switches off; longer compressor life; elimination of the need to pre-heat the dryer; no risk of compressordamage caused by liquid returns; full stand-by facility as one compressor still runs if the other shuts down.

The advanced microprocessor features an extensive digital dis-play offering detailed information.Full programmability, a maintenance friendly status report,service reminder warning, andeasy remote monitoring all renderthe dryer very easy to operate.

The slowflow demister offers exceptionalwith lowest pressure drops. Unlike centrdemister systems, it works equally well w

ensuring the dew point is maintained

The evaporator coilmaximizes theexchange surfacearea for excellentdew point control.The low air flowconfiguration leadsto extremely low airside pressure drops.

condensate removal rfugal and traditional whatever the air flow, under all conditions.

evaporator coil

microprocessor

compliant twin scroll compressors

helium leak testing

OPERATES CONTINUOUSLY

Compliant scroll compressors are nearindestructible, withstand liquid returnsand emit very little vibration. And even if,for any reason whatsoever, one scrollcompressor is shut down, the second willstill be able to offer 50% of the load.The vessel’s minimal welds reduce thechance of leakages, and each dryerundergoes sophisticated leak tests duringmanufacture.

REDUCED COSTS, INCREASED ENVIRONMENTALFRIENDLINESS

Environmentally friendly refrigerantR407C offers energy savings of up to10%, with Quasar’s design reducing therefrigerant charge by up to 90%.Compliant scroll compressors reducepower consumptions by over 20%, whilstthe tandem configuration offers a true50% energy saving at partial loads.The unique vessel design reduces pressuredrops to a minimum.

EASY TO IMPLEMENT & OPERATE

Quasar’s PED certification conforms tomost international norms, whilst a 65°Cair inlet temperature limit allows it to beinstalled virtually anywhere.An air-cooled option caters for locationswhere no cooling water is available.Quasar offers simple operation: There isno need to pre-heat scroll compressorequipped models, and the standardmicroprocessor is very simple to operate.

LOW MAINTENANCE

Quasar’s direct expansion designtranslates to far lower maintenance needs,as do the shell-&-tube condenser andoptional pre-filter.The vessel’s high quality materials arespecially treated to ensure longevity,whatever the conditions.With scroll equipped models onecompressor switches off when it is notneeded, ensuring longer compressor life.

THE TREND SETTER’S VITAL STATISTICS…

MODEL Air flow Nominal Air Dimensions (mm) Weight*absorbed

power connections width* height depthm3/min cfm kW PN/DN A A1 B C (kg)

WATER-COOLED MODELS

QSR130W 130 4591 12,5 DN 150 4.050 - 1.670 755 750QSR170W 170 6004 16,0 DN 200 4.175 4.208 1.710 927 1.535QSR225W 225 7946 21,9 DN 200 4.220 4.253 1.750 1.120 1.705QSR280W 280 9888 28,2 DN 250 5.165 5.198 1.840 1.190 1.535QSR350W 350 12361 33,1 DN 300 5.175 5.208 1.840 1.190 1.705

AIR-COOLED MODELS

QSR130A 130 4591 12,3 DN 150 4.050 - 2.115 1.595 780QSR170A 170 6004 16,2 DN 200 4.175 4.208 2.115 1.595 1.345QSR225A 225 7946 22,3 DN 200 4.220 4.253 2.115 1.595 1.570

Air flow correction factors for differing working conditions

A) working pressure barg 3 4 5 6 7 8 9 10correction factor 0,64 0,76 0,86 0,94 1 1,06 1,10 1,13

B) inlet temperature °C 30 35 40 45 50 55 60 65correction factor 1,20 1 0,82 0,68 0,56 0,46 0,44 0,42

D) ambient temperature °C 20 25 30 35 40 45correction factor (air-cooled models only)1,02 1 0,98 0,93 0,87 0,80

C) pressure dew point °C 3 5 7correction factor 1 1,14 1,19

Performances refer to air suction of FAD 20°C, 1 bar A and the following operating conditions: air suction 25°C/60%RH, 7 bar g working pressure, 3°C pressuredew point, 35°C compressed air inlet temperature, either 25°C condenser water inlet temperature with 40°C condensing temperature (water-cooled models) or 25°Ccooling air temperature (air-cooled models). All indicated data refers to DIN ISO 7183.All models supplied with refrigerant R407C and for operation up to 10 bar g. 50 Hz models supplied with 400V /3Ph /50Hz power supply. 60 Hz modelsalso available.* dimension A refers to standard models, dimension A1 to double-flanged models. Weight refers to standard models.

To obtain the required air flow multiply the air flow by the above correction factors (ie. Air flow x A x B x C). Quasar can operate upto ambient temperatures of 50°Cand inlet temperatures of 65°C. The above correction factors are approximative; for a precise selection always refer to the software selection program.

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The Quality and Environment Management Systems of domnick hunter hirossS.p.A. have been approved by Lloyd's Register Quality Assurance to the followingQuality and Environment Management System standards: ISO9001:2000(Certificate LRC160001) and ISO14001:1996 (Certificate LRC160001/14).

Data contained in this publication is to be considered as indicative only.The manufacturer reserves the right to modify data without prior notice.

The Hiross product range: Aftercoolers, Separators, Filters, Refrigeration Dryers, AdsorptionDryers, Condensate Drains, Oil/Water Separators, Water Chillers, Dry Coolers.

domnick hunter hiross S.p.A. - S.Angelo di Piove- Padova - Italy - Tel. +39-0499712201 - Fax +39-0499712236 - www.dh-hiross.com