INTRODUCTION COMFORT AIR CURTAIN
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1.4.3 Application limitations with water heating
Application limitations for units with water heating
1.5 Safety instructions
1.5.1 Safety in use
w Do not put any objects into the inlets and
outlets.
w Do not obstruct the unit’s inlets or outlets.
w The upper surface of the unit becomes hot
during operation.
c In exceptional situations, water may run out of the
unit. Therefore, do not place anything under the unit
that could be damaged as a result.
1.5.2 Safety issues relating to installation, mainte-
nance and servicing
d The unit may only be opened by qualified
technical staff.
w Perform the following actions before opening
the unit:
Heating medium water with max.
20% glycol
Max. water supply temperature 90°C (194°F)
Max. discharge temperature 70°C (158°F)
Maximum operating pressure 8 bar (116 psi)
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