10
4 - START-UP INSTRUCTIONS
4.1 - Casing
The unit data, such as order number, position number etc.
is given on the nameplate.
Note:
Making a hole or mounting different components
on panel while start up, can affect the air handling unit
mechanical classes
4.1.1 - Casing panels
Check the AHU panels for any damage. Any dirt or stains
must be removed from the surface to prevent possible
long-term damage. Dirt can be removed with water and a
mild house-hold soap solution. Damage can be repaired by
throughly cleaning the affected surface, then treat and paint
as necessary. If applicable check the sealing joints and
repair if required.
4.1.2 - Doors and access covers
Check the operation of door handles, locks and movement
of the hinges. Check if the door closure (on the inside of the
door) is tightly fitted, so that there are no excessive air leaks
at the doors. For outside installation of the AHU check the
storm cord.
CAUTION: Doors and access covers must always be
closed before starting the unit.
4.1.3 - Flexible connections
•
Check that all flexible connections are attached to the
AHU. If necessary, tighten loose screws.
•
The stretched length of a single-skin flexible
connection is 170 mm, but a flexible connection must
NOT be installed stretched between the AHU and the
duct. Once installed the operating length of the flexible
connection must be 100 mm.
4.1.4 - Earthing
Ensure that the AHU has been earthed correctly and in
accordance with local regulations. A label on the support
frame indicates where the unit should be earthed.
4.1.5 - Connected ducts
•
Inlet and outlet sections could be full face opening or
full face damper with flanges. For all fan types
(forward, backward or plug) duct have to be fixed
from flanges.
•
It is recommended to use Europrofile connections
(type E30) at the corner frame as well as at the
duct to be connected.
•
The Europrofile connections are available in fixed
lengths and can be cut to the required length with
a saw. These profiles can easily be placed over the
corner frame. Allow for a maximum profile height
of 30 mm, so that ducts that are positioned one
above the other can be installed correctly.
•
The four corners between the profilles can be
completed with a corner piece (type H30).
•
The profile at the corner frame can be attached to
the profile on the duct using a drive slip (type SR).
•
Attaching self-adhesive tape between the two profiles
ensures an air-tight seal, as shown in the drawing
below.
8.5 mm
27 mm
27 mm
15 mm
105 mm
ø 11 mm
30 mm
