FAQ

With the Temp Guard function available as an option in the FLEX you can ensure that the temperature stays frost-free in smaller rooms using the built-in element in the FLEX as a heat source.

Read more about Temp Guard.

To be absolutely sure of our case, we let the State Testing Facility (now RISE) test our dehumidifier and compare it with a traditional sorption dehumidifier.

The results of that test show that our dehumidifiers consume half as much energy to dehumidify the same amount of water.

Do you want to read the test results? Click here (in Swedish).

The water removed from the air is delivered from the outlet on the side of the dehumidifier. A hose can easily be connected to deliver the water to a drain or a tank.

If no sewage is available, we have an optional container and pumps built for the purpose. A standalone model as well as a container that at the same time can act as a cart on wheels to easily move the FLEX around, if needed.

The FLEX is tilting to one side to create self-draining. The water flows out of the machine without having to use any pump. This reduces energy consumption and minimizes the number of moving parts.

If the green light changes from a steady light to flashing, the dehumidifier needs service.

There are instructions in the manual under Chapter 6 – Service. Or contact Airwatergreen at support@airwatergreen.com.

We recommend replacing granules once a year to maintain full dehumidifier capacity. The granules you need for the replacement are delivered in a package. This is included as a delivery in our Service agreement.

Dehumidification of materials can be divided into three phases:

1. Water is drawn by capillary forces from the inside of the material up towards the surface.
2. Transport is carried out in a liquid phase capillary transport in the small pores and in the vapor phase (diffusion) in the larger pores.
3. Transport from the surface is only in vapor phase. The speed is controlled by the difference in vapor content between the material and the surrounding air.

Step 1 is strongly dependent on what material is to be dehumidified. What is usually mainly affected is step 3, i.e. to ensure that the moisture leaves the material’s surface and goes into the air. If you can heat up the material in which the moisture is contained, the process is accelerated.

The easiest thing to do is usually to make sure that the air is kept dry at all times and preferably at a low relative humidity (RH). This results in increased vapor pressure difference and a faster dehydration!

See the graph to the right showing the differences in vapor pressure at different RHs when the air and materials maintain the same temperature.

In other words, if you reduce the RH level in the air to 40%, the drying process is accelerated. This will create an increased vapor pressure difference and a faster dehydration!

Warming up the air

The graph on the right-side show what happens if you only warm up the air. Then the vapor pressure difference can become negative at relatively low relative humidity levels.
If the air is too warm – the moisture in the air may start to condense on the wall instead.

This means humidification instead of dehumidification!

Yes, abolutely.

The granules you need for the replacement are delivered in a package. You can order new packages with us. How to do this is described in the manual (available for download from FLEX and REX downloading pages).
or look at our Instruction video.

The active carbon, essential for absorbing hydrogen sulphide, can be effortlessly replaced once its absorption capacity diminishes. This regular replacement is conveniently included as part of our service contract.

The Airwatergreen Blackbox Filter Kit comes with the precise amount of active carbon needed for a Blackbox unit.

NEXT is designed based on two separate modules  – only the absorber is active during a major part of normal operation. During this phase only the air fan and the desiccant pump are drawing energy.

Regeneration is only active when needed – and then energy consumption is totally independent on ambient temperature and humidity levels.

Traditional cold condensation technology start losing most of its efficiency already at temperature below 15°C. NEXT on the other hand is optimized for temperatures typically found the food industry and cold storage facilities ( 2°- 12°C).

The NEXT machines are of course also very efficient at normal room temperatures. 

No – there is no typical dual air duct installations as needed for sorption technology – the CVP (Controlled vapor pressure) NEXT machines can easily be commissioned completely without air duct connections. You will need a 32A power connection and access to a suitable drain for extracted water. That’s it!

AWG is offering various levels of service agreements. There is a yearly service where some internal filters etc are replaced – this is done by AWG staff. In some (air quality) environments the external air filter needs frequent replacement. This however can easily be done by the regular local facility staff – it will only take a few minutes.

NEXT is based on a modern powerful PLC. It can be remotely controlled and upgraded if needed. We offer a full connectivity to the AWG cloud solution facilitating remote monitoring and preventive maintenance. Added external sensors can easily be integrated.

AWG do have many years of experience servicing the water and food industries with their specific requirements for cyber security.