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The Porta RangeH I G H P E R F O R M A N C EMobileDehumidifiersA range of robust fully mobile dehumidifiers designed specifically to providerapid drying solutions and humidity controlRSpecialist designers and manufacturers of heat pumps and dehumidifiers

CONSTRUCTION SITESThe Porta RangeFIRE & FLOODHow Does A Porta-Dry Dehumidifier Work?Porta-Dry dehumidifiers are fully contained, packaged units whichincorporate a fan and totally CFC free refrigeration circuit. A fan drawsroom air through the machine which firstly passes across a refrigeratedheat exchanger (evaporator) that cools and allows moisture containedwithin the air to condense. The cooled, dry air then passes across a warmheat exchanger (condenser) where it is reheated as a result of thedehumidification process before being returned to the room in a dry,warm state. Moisture removed from the air is collected in a reservoirwhere it is fed away to waste.Due to the unique nature of a refrigeration circuit, energy removed fromthe air during the dehumidification process is converted into usable heat.Typically for every 1kW of energy that a dehumidifier consumes, it willgive out 2.5kW of heat and by removing moisture from the air, rather thanheating it to high temperatures, Porta-Dry dehumidifiers will dry in agentle more controllable manner, alleviating possible material shrinkageand cracking problems associated with heating methods.Drying By DehumidificationDry air is a laboratory phenomenon. Atmospheric air willalways contain moisture, often in quantities that preventnatural ventilation from providing an effective answer todrying buildings. Whether it be during construction, afterfire or flood damage, even after a period of disuse,moisture will build up within buildings, often withdamaging consequences. These problems can bedisguised by the use of heat or ventilation (when theweather is occasionally suitable) but are unpredictable,slow and potentially energy inefficient.Dehumidifiers are the only method of positivelyremoving moisture in a controllable, efficient manner froma space, and at a speed that can be dictated to suit theapplication.During building construction dehumidifiers can be usedto accelerate the rate of drying wet processes such asconcrete floors and plaster, not only allowing theconstruction work to proceed more rapidly but in a waythat ensures the drying will not encourage cracking anddistortion. Further, concrete floors that are dried bydehumidifiers will always settle at the correct moisturelevel.Why Porta-Dry DehumidifiersPorta-Dry dehumidifiers are a British designed andmanufactured product evolved from over 25 years ofmanufacturing experience.Porta-Dry dehumidifiers are specifically designed formobile dehumidification and arebuilt to withstand the rigours ofconstruction sites and wear and tearof hire.Porta-Dry dehumidifiers aresupported by a nationwide servicenetwork and technical support teamto ensure the correct product isselected for your needs.• CFC free - Porta-Dry dehumidifiersuse R407C• Operation down to 0 o C Porta-Dry are supplied withhot gas defrost• Dual voltage - Porta-Dry can be supplied with110/240 volt option• Non-marking wheels - Porta Dry leave no tyre markson floors• Comprehensive Service Department - Porta-Dry aremanufactured in the UK and supported by 36nationwide service engineersOur product is our reputation. And both are the best.

RESTORATION KEEP DRY IN DAMP ROOM CARPET DRYINGThe Porta RangePorta-CalMODELS 25, 65 & 95Portable electric fan heatersSpecifically designed to withstand the rigors ofindustrial/commercial space heating, Porta-Cal electricfan heaters are available in a range of sizes to suit mostheating requirements.• 3 heat settings and a ‘summer cooling’ fan only switch(Models 65 & 95)• Thermal safety cut outs fitted as standard• Double skinned for low outer case temperature• Innovative reflector plates to prevent radiant heat• damaging surfaces immediately around the heater• Internal baffle plates to protect the fan motor from• residual heat after switching off• Castors and handles for easy manoeuvrabilityThe Porta RangePorta-AirAIR MOVERSPortable electric fansDesigned for a wide range of application, Porta-Air fansare a robust, lightweight (less than 15kg) solution for:• Office ventilation/cooling• Air distribution to maintain constant conditions• throughout larger buildings• Fume extraction• Fresh air ventilation in confined spacesPorta-Air fans are supplied with an optional duct flange.The powerful fan motors and efficient, quiet bladedesign allows up to 15m of ducting to be connectedwithout loss of performance.Porta-Air fans use 3 speed IP55 motors enabling them tobe jet washed without danger of water ingressPorta-Air fans can be stacked for minimal floor spaceusage.ModelPorta-Cal 25Porta-Cal 65Porta-Cal 95UnitPorta-Air 4500Porta-Air 4500HPPorta-Air 7000Heating CapacityKw36-9-129-13-18Electrical supplyv/Hz230/50230/50230/50VoltageMax Current DrawAir VolumeMaximum DuctingAir OutletDimensionsLengthV/HzAmpsm 3 /hrmmmmm230/1ph/50Hz13.63605155350400/3ph/50Hz186005300610400/3ph/50Hz27.215205300470Power consumedAirflow:Speed 1 without/with grilleSpeed 2 without/with grilleSpeed 3 without/with grilleMaximum pressure availableBlade diameterkWm 3 /hrm 3 /hrm 3 /hrpamm0.232170/19003250/29005050/4500864500.352170/19003250/29005050/45002504500.393300/30005000/45007760/700086550WidthHeightWeightmmmmKg260360113604502541058032Maximum ducting (300mm)DimensionsWeight(3x100mm)mmmmkg15-510x510x21012.53015510x510x21012.515-620x620x24015

S P E C I F I C A T I O NCapacitiesMaximumNominal 20 o C/70%RHModelLitres/per dayLitres/per dayPorta-Dry 150 Porta-Dry 300 Porta-Dry 6002315533110059ElectricalVoltageDual voltage optionSupply fuseRecommended size ofdual voltage transformerAmpsVA600230v/1ph/50Hz110/230v/1ph/50Hz138001400AirflowM 3 /hour200380750DimensionsHeightWidthDepthWeightmmmmmmKg5703563563082036336538102063058565DrainageTypeDrain sizemm/idReservoir 6.2L/Permanent1212Permanent12OptionsCondensate pump kitHumidistatHours run meterSite wheels and handle (standard on Porta-Dry 300 and 600)Sizing GuideFor drying buildings following construction, fire and flood damage or simply preventing dampModelInternal temperaturegreater than 15 o CInternal temperatureless than 15 o CPorta-Dry 150 Porta-Dry 300 Porta-Dry 600175m 3350m 3700m 3150m 3 300m 3 600m 3Note: By operating Porta-Dry dehumidifiers in conjunction with Porta-Air ventilation fans to provide greater airdistribution, drying times will decrease by up to 40%RCALOREX HEAT PUMPS LIMITEDThe Causeway, Maldon, Essex, CM9 5PU United KingdomTel No. +44 (0) 1621 856611 Fax No. +44 (0) 1621 850871e.mail: sales@calorex.com web: www.calorex.com