KBF / KBF-UL + KMF (E6) 09/2021 page 28/160
Ambient conditions
• Permissible ambient temperature range during operation: +18 °C / 64.4 °F to +32 °C / 89.6 °F. At ele-
vated ambient temperature values, fluctuations in temperature can occur.
The ambient temperature should not be substantially higher than the indicated ambient tem-
perature of +22 °C +/- 3 °C / 71.6 °F +/- 5.4 °F to which the specified technical data relate.
Deviations from the indicated data are possible for other ambient conditions.
With each degree of ambient temperature >25 °C / 77 °F, the refrigeration power decreases
by 1.5 K.
• Permissible ambient humidity: 70 % r.h. max., non-condensing
When operating the chamber at temperature set-points below ambient temperature, high ambient hu-
midity may lead to condensation on the chamber.
• Installation height: max. 2000 m / 6562 ft. above sea level.
Minimum distances
• When placing several chambers of the same size side by side, maintain a minimum distance of 250 mm
/ 9.84 in between each chamber.
• Wall distances: rear 100 mm / 3.9 in, sides 160 mm / 6.29 in.
• Spacing above the chamber of at least 100 mm / 3.9 in must also be accounted for.
The chambers are NOT intended for stacking.
NOTICE
Danger by stacking.
Damage to the chambers.
∅ Do NOT place the chambers on top of each other.
Other requirements
A water tap (1 bar to 10 bar) is necessary for the installation of the humidification system (chap. 4.3). If no
suitable in-house water connection is available, you can manually supply water by filling the freshwater can
(option, chap. 19.9).
To avoid any possible water damage, provide a floor drain at the location of the device. Se-
lect a suitable installation site to avoid any consequential damage by splashing water.
To completely separate the chamber from the power supply, you must disconnect the power plug. Install
the chamber in a way that the power plug is easily accessible and can be easily pulled in case of danger.
For the user there is no risk of temporary overvoltages in the sense of EN 61010-1:2010.
With an increased amount of dust in the ambient air, clean the condenser fan (by suction or blowing) several
times a year.
Avoid any conductive dust in the ambiance according to the chamber layout complying with pollution degree
2 (IEC 61010-1).
After turning off the chamber, you must close the tap of the water supply. Install the chamber in a way that
the freshwater supply is easily accessible.
With option “External freshwater and wastewater cans” (chap. 19.9): Install the chamber in a way that
freshwater can is easily accessible for filling.
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