14.
Moving towards the operating point, check
whether the fan is running smoothly and with min-
imal vibration only.
If you can see or hear the fan vibrating, switch
off the air handling unit,
15.
Measure the volume flow rate.
ð
The centrifugal fan has been set up.
6.3.2
Filter
Filters, inserting
Personnel:
HVAC technician
Protective equipment:
Industrial safety helmet
Protective clothing
Protective gloves
Safety shoes
–
Filters may become contaminated due to con-
struction work in the building which is why we
recommend that you replace all filters after the
construction phase and initial commissioning.
–
Do not operate the air handling unit without a
filter.
–
One spare filter element should always be avail-
able so that the air handling unit does not have
to be switched off. Store filters in a dry place,
free from dust, so that they will not be contami-
nated or damaged. Do not use filters beyond the
use before date. Original TROX filters carry a
sticker on the frame with both the use before
date and information on how to order replace-
ments.
1.
Ensure that the filters are intact.
Defective filters may become torn while in use
and will then no longer be effective.
2.
Remove any dust from all parts that are in
upstream direction before the filter.
Clean the air handling unit and ventilation
ducts before you install any filter of class F9 or
higher.
3.
Fit filters into the installation subframe and fix
them with the clamping elements. Make sure that
they are tightly seated.
ð
The filter has been set up.
6.3.3
Heating coil/cooling coil
Heat transfer fluids with glycol
WARNING!
Health risk from heat transfer fluids that contain
glycol!
The heat transfer fluids in the heating coil, cooling
coil and run around coil system contain glycol, which
can damage your health if it comes into contact with
your skin, if you swallow it or if you inhale the vapour
or mist.
–
Avoid contact with heat transfer fluids that con-
tain glycol.
–
Work must only be carried out by skilled qualified
refrigeration technicians, HVAC technicians or
the
.
–
Do not eat, drink or smoke while handling heat
transfer fluids that contain glycol.
–
Wash your hands when you interrupt or finish
your work.
–
If you have come into contact with a heat transfer
fluid that contains glycol, follow the first aid
instructions given on the safety data sheet for the
heat transfer fluid.
–
When you have to handle a heat transfer fluid
that contains glycol, wear the personal protective
equipment specified in the safety data sheet for
the heat transfer fluid.
Initial commissioning
Setting up and adjusting AHU casing units > Heating coil/cooling coil
Air handling unit X-CUBE X2 / X-CUBE X2 compact
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