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MKF / MKFT (E5) 06/2020 page 118/176
17.1 Function of the humidifying and dehumidifying system
Humidifying system
The humidifying and dehumidifying system is located in the humidity generation module. In a cylindrical
container with a volume of approx. 2 liters an electrical resistance heating evaporates water. The water
content is kept exactly at the boiling point, and thus steam can be immediately generated in sufficient
quantity for rapid humidity increases or for compensation of humidity losses, e.g. by door openings. Con-
densation forming on the outer walls of the useable volume is led through a water drain in the outer
chamber into the wastewater can which is pumped off automatically to the wastewater pipe when re-
quired.
17.1.1 Freshwater
MKF 56: You can supply the chamber with freshwater via a water pipe or by manually filling an external
freshwater can (option, chap. 21.9). You can mount the can on the rear of the chamber or place it next to
the chamber.
MKF/MKFT 115, 240, 720: You can supply the chamber with freshwater via a water pipe or by manually
filling the internal freshwater can. It is not necessary to switch between both possibilities. When connect-
ing to a water pipe, the water can automatically fills up. The can is located behind the right door of the
humidity generation module.
In order to ensure accurate humidifying, observe the following points with regard to the
freshwater supply:
• Supply pressure 1 to 10 bar when connecting to a water pipe
• Water type: deionized (demineralized) water, see chap. 4.2.
• To ensure humidification during 24 hours even at high humidity set-points with manual wa-
ter supply, we recommend filling the freshwater can at the end of each day.
• Water intake temperature NOT below +5 °C / 41 °F and not exceeding 40 °C / 104 °F.
BINDER GmbH is NOT responsible for the water quality provided by the customer.
Any problems and malfunctions that might arise following use of water of deviating quality is
excluded from liability by BINDER GmbH.
17.1.1.1 Automatic freshwater supply via water pipe
With this type of supply, the humidity system is continuously functional.
MKF/MKFT 115, 240, 720: The correct water supply can be monitored at the internal water can, where
the water is intermediately stored also if a water pipe is connected. The correct filling level is automatical-
ly maintained at ½ to ¾ of the maximum level.
17.1.1.2 Manual fresh water supply via external freshwater can (option for MKF 56)
With this type of supply, the humidity system is functional only if the water can is sufficiently filled. Check
the filling level daily. The water reserve in the can is sufficient for a period, which may last between one
and several days, depending on the humidity demand (entered humidity set-point and number of door
openings).
For installation please refer to chap. 21.9.
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