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MKF / MKFT (E5) 06/2020 page 31/176
Types of suitable water quality
• Deionized water from a water treatment installation already existing at the customer's site. Conductivi-
ty from 1 µS /cm up to a maximum of 20 µS/cm. (Water, which is in equilibrium with the CO
2
in the air,
and has a conductivity below 1 µS/cm (ultrapure water), may cause acid corrosion due to its low pH.)
• Tap water treated by the optional water treatment system BINDER Pure Aqua Service (disposable
system). A reusable measuring equipment to assess the water quality is included (chap. 21.10).
BINDER GmbH is NOT responsible for the water quality at the user’s site.
Any problems and malfunctions that might arise following use of water of deviating quality is
excluded from liability by BINDER GmbH.
The warranty becomes void in the event of use of water of deviating quality.
4.2.1 Automatic fresh water supply for humidifying system via water pipe
An enclosure inside the chamber contains the connection kit for water supply and wastewater. Install the
water supply connection using either the enclosed water hose or another pressure-resistant one. To ac-
complish this, remove the cover of the freshwater connection “IN” (15) on the rear of the chamber. Protect
both ends of the hose with two of the four supplied hose clamps. Before turning on the chamber, check
the connection for leaks. Water supply is automatically effected via the freshwater connection “IN” (15).
As the chamber only lets in water when required, there is no continuous water flow.
• Supply pressure 1 to 10 bar when connecting to a water pipe.
• Water type: deionized (demineralized) water
• Water intake temperature NOT below +5 °C / 41 °F and not exceeding 40 °C / 104 °F.
• The water intake shall be provided with a shut-off slide or water-tap.
•
For the water supply, fix the delivered adapter with hose olive on the thread at the rear of
the chamber.
• Protect the water supply at one side with the supplied hose clamp.
4.2.2 Manual fresh water supply via external freshwater can (option for MKF 56)
If no house water connection with suitable water is available, you can manually supply water by filling a
freshwater can (option, volume: 20 liters / 0.71 cu.ft. You can place the freshwater can next to the cham-
ber (chap. 21.9).
To guarantee humidification during 24 hours even at high humidity set-points with manual
water supply, we recommend filling the freshwater can (option) daily at the end of the day.
4.2.3 Manual fresh water supply for humidifying system via internal freshwater can
(MKF/MKFT 115, 240, 720)
If no house water connection with suitable water is available, you can manually supply water by filling the
freshwater can (total volume: 19 liters / 0.67 cu.ft. up to the maximum level mark), which is located behind
the right door of the humidity generation module.
The cover of the water inlet valve must be screwed on the freshwater connection “IN” (15). Open the door
(F) to access the filler neck of one of the water can. You cannot totally take out the water can because of
its fix connections. Fill the water can only up to ¾, up to the maximum level mark. When filling it too much
with the chamber turned on, the alarm message “Freshwater can overflow” is displayed on the controller
(chap. 11.1.3). Manually suck off the water, or operate the chamber with high temperature and humidity
values until the excess water is consumed. When filling it too much with the chamber turned off, water
can escape from the chamber. Thus, ensure not to fill the can by more than the maximum level mark.
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