Déshumidificateur DryFan DH3500 de 45 litres

220V supply 50 Hz that can be run off a 12V DC-220V AC converters or 110V to 220V transformers, auto power reset in case of power supply interruption. “4-hole” technology commercial desiccant dehumidifier; water removal 45 litres maximum extraction. Operating range from -20?C up 40?C maximum room temperature for continuous drying applications, with 380 m3/hr air volume capacity (400 m3/hr – exhaust / 125m3/hr – regen air flow). Highly efficient, very quiet fan operation and yet low energy consumption in use for large moisture extraction capacity. 58dB Process air in 125mm – Process air out 125mm – Exhaust air 80mm – Regen air 80mm

SKU : DH3500 Catégories : , Déshumidificateurs par , Déshumidificateurs par Tags : ,
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Neutral Pressure Focus Flood Drying

Seal the drying tent and focus dry air saving time, money and carbon footprint
Neutral Pressure Outside

Positive Pressure Outside

Neutral Pressure Inside

How to set up a drying tent


Ideal for Flood Restoration, Dry Stores & Property Protection.

45 litre Desiccant Dehumidifier 220V / 50Hz.

Autonome ou installé.

Industrial dehumidifier DH3500 steel construction with tough epoxy paint finish.Very small for its 45 litre capacity. Will dry 247 and dry even down to -20°C/-4°F. Can work up to 40°C/104°F.

Steel Inside & Out.Tough Enough Even for Hiring or Restoration.

Can be carried by one person and transported easily with the carrying handles.Self regulating energy usage that adapts to air pressure differences using always the right amount of power to dry effectively.

4 Hole Dehumidifier.

L'air du processus d'entrée est filtré et séché. L'air d'entrée peut être introduit et évacué par un conduit de 125 mm / 5″. L'air humide est évacué par un conduit de 80 mm / 3″. L'air régénéré peut également être acheminé vers le déshumidificateur par un conduit de 80 mm / 3″.

Thus, Ecor Pro’s research shows that the DH3500 will be four to seven times faster at drying buildings at low temperatures than a traditional compressor dehumidifiers.

Parties associées

Le DH3511 est utilisé avec d'autres pour sécher le parking.

Caractéristiques expliquées

Highly Compact – Small 45 Litre dehumidifier in the market.Dust Filter – Simple reticulated dust filter in metal frame. Shake clean or easily replaced. Prevents dust particles entering the unit and impeding performance.Easy Repair – Maintenance and eventual repair have been thought through with an easy to remove cover that gives easy access to replace cord sets or warn parts by a qualified persons quickly. Prolonging the lifetime of the DH3500 dehumidifier. Cord sets can be replaced in around 20 minutes.On Four Feet – Anti scratch plastic feet.Carrying Handle – Easy to carry by one person. Removable handle. Handles also protect the dehumidifier duct flanges if in transit.Humidistat Connection – Integral humidistat can be added very simply. A military standard connector is on the front of the unit. To add this use the remote humidistat EPHUM220. This will turn the dehumidifier on an off automatically.

Parfait pour tout climat.

Duct Air-In & Out – The dehumidifier has all ducts fitted with flanges to allow ducting to be added with 125mm / 5″ hard or flexible ducting.Wet Air Exhaust – The DH25XX has one internal fan compared to two in the DH35XX. Both do not produce water. The moisture is vented away allowing it to work in colder temperatures. The moisture is purged from the system by 15% of the process air so will dry with slight negative pressure.“Four Hole System” – Two inlets and two outlets.Regen Filter Housing – The Regen filter housing is a recent addition to the DH35XX model.  It can be detached if not required.  Used for certain applications.Power Supply – Thus, 220V supply 50Hz.Auto Reset – If there is an interruption to the power supply, the DH35XX will continue to operate as soon as the power has been returned. Perfect in locations where the there is a “dirty” power supply that can affect other electronically controlled products.All Metal Construction – All metal with epoxy paint finish heat treated for strength inside & outside. Designed for longevity.4m / 12′ Power Cord – No need to join cables when placed for instance in crawl spaces or lofts in the home for example.

Dehumidifier Installation



This is a 4-Hole dehumidifier meaning that there are 2 separate fans inside.  One for the Process-Air (Air that needs to be dried) and the Regen Air that is used to purge the wheel of moistures and is then vented away

Drying a water-damaged room has moved on from the days of lighting a fire and opening the doors and windows. The industry no longer leaves a dehumidifier in the middle of the flood-damaged room with a couple of air movers and hopes for the best, not least because it wastes expensive energy and because contractors are increasingly aware of the need to reduce both their carbon footprint and the time it takes to do the job.

Power availability also means more efficient products can be used on the power supply than more power hungry units.

With saving labour and making effective use of expensive assets increasingly important in a competitive market, focused or targeted drying is a good start, but as we move towards a more sustainable, cost-focused industry, it’s not enough.

Using tenting for target drying ensures the dehumidifier only dries the wet parts of the room and avoids drying unaffected areas, a process that can cause secondary damage by sucking too much moisture out of some of the materials in the rest of the room. In short, drying a whole room to remedy a flood in part of it is remarkably inefficient.

Targeted drying uses plastic sheeting to create a sealed chamber, or ‘tent’, around the wet area of the room, saving significant amounts of energy by not drying the 90% of the room that wasn’t wet in the first place - but even that approach is inefficient.

The inefficiency arises when the tent is fed from outside by the dry air from a desiccant (absorption) dehumidifier, the best choice when drying dense materials like brick or block walls.

As air is blown into the tent, the same volume of air must escape. This positive pressure system means that the drying air is taken from the whole room – as well as from outside if the windows are open. That makes the whole room part of the drying regime, with the dehumidifier forced to dry potentially damp air before putting it into the tent. If the air being fed in can’t be controlled, the drying can’t be controlled either.

The answer is to create a negative pressure system by moving the dehumidifier inside the tent, creating a controlled environment.

Let’s talk maths. In our positive system, a normal three port desiccant dehumidifier moving 150 cubic metres (5300 cft) per hour is probably generating   cubic metres (4200 cft) of dry air for drying and using 30 cubic metres (1000 cft) to dry its wheel. In a typical one cubic metre tent (35 cft) , the air is exchanged 120 times per hour, but if the tent is in a room with a total volume of 60 cubic metres (2100 cft), the air in the room outside the tent is recirculated twice, too – to no purpose.

In a negative system, the air in the tent is exchanged only 30 times but is recirculated 120 times per hour, each time becoming drier, significantly increasing the efficiency of the drying regime and reducing energy usage.

Taking this a step further, Ecor Pro’s four port DH3500/EPD200 and the EPD300 uses a separate air stream to dry its wheel, so it works at an equal pressure and air in the tent is not exchanged with the air in the room. The dehumidifier can be placed inside the tent and the ‘regen’ air to dry the wheel pumped into the tent and back out. Alternatively, the dehumidifier can be placed outside the tent and the air taken from the tent to the dehumidifier and back, which means the drying tent or chamber can be sealed around the ducts to give maximum efficiency.

Air recirculation 100%, air exchange 0%. That is efficient.

Moisture is "vented away".  No water is produced.  The moist air is vented to the outside or moved to another area that is vented. Most common installation.

Focussing the dry air gives faster drying times.  Example of "Positive Pressure" or forcing the dry air into areas it is needed

Recirculating the air to be dried gives a compound effect and gives faster drying.  This system is "Neutral Pressure" and is outside the room being dried.

Having the machine in the area being dried and recirculating the air is the most efficient way of drying.  This system is "Neutral Pressure" and is inside the room being dried.

Operating below zero and can operate in sealed rooms, 4-Hole allows even cold rooms and freezers to reduce moisture problems.

Poids 24.4 kg
Dimensions 73 × 41 × 47 cm
(L x l x H)-(poids)

24,82" x 13,86" x 13,58" - 45,19lbs



Extrait de Max


Alimentation / Prise / Longueur du cordon

1500W, 220V, 50Hz, 6,5A / Oui BS/EU

Code barre


Couleur / Matière

Peinture jaune noire / acier doux Epoy

Dimensions des conduits

80mm (3.0")-125mm (5")

Prêt pour la piscine


Humidistat Inside / Option Humidistat

Non / Oui

Poignée de transport / Conteneur d'eau / Longueur du cordon d'alimentation

Oui / Non / 5m

Vitesse des ventilateurs / Son

1 / 58dB

Température de fonctionnement

De moins 20°C à plus 40°C

Redémarrage par coupure de courant / fonctionne à partir d'un couvercle DC-AC

Oui / Oui

Débit d'air m3/hr

400 procédé / 125 échappement

Redémarrage après une coupure de courant


Travaux de la couverture DC-AC


Réservoir d'eau



Acier doux revêtu d'époxy



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