Instruction Manual ZHK
38/140
V07-21.0
Distance of the contact surfaces in longitudinal direction of the AHU (air flow direction)
when resting on the base frame:
The distance of the strips or points contact surfaces in the longitudinal direction of the AHU (air di-
rection) should normally not be more than 1,500 mm.
Distance of the contact surfaces in longitudinal direction of the AHU (air flow direction)
when resting on device feet:
If the AHU is equipped with device feet supplied by EUROCLIMA, the positions of the device feet
are shown in the device drawing by EUROCLIMA. In this example, each device foot forms a con-
tact surface on the foundation.
Distance of the contact surfaces in cross direction of the AHU (across the air flow direction)
when resting on the base frame:
AHUs with an internal device width up to 2,135 mm do not require any contact surfaces in the
cross direction of the device. For wider devices, an additional central contact surface is not abso-
lutely necessary, but it is recommended especially for wide and heavy sections. Instead, a strip-
shaped contact can also be placed under the base frame cross members. On request, EURO-
CLIMA will provide a base frame drawing showing the contact surfaces of the base frame.
Distance of the contact surfaces in cross direction of the AHU (across the air flow direction)
when resting on device feet:
If the AHU is equipped with device feet supplied by EUROCLIMA, the positions of the device feet
are shown in the device drawing from EUROCLIMA. In this case, each device foot forms a contact
surface on the foundation. Normally, 4 device feet are fitted for all device widths per delivery sec-
tion (at the section corners); further contact points are generally not required.
In special cases (with particularly wide and heavy unit sections) an additional central contact sur-
face can additionally reduce the static and dynamic deformation. On request, EUROCLIMA will
provide a foundation drawing showing the contact surfaces of the device feet.
The installation of special underlay with impact sound insulation properties and high specifications
is highly recommended. It is recommended, depending on the location of the erection, to underlay
the AHU with cork, Mafund plates or Sylomer strips. The use of absorbent material must be ad-
justed to the load to achieve optimum noise insulation and efficiency. Each contact point between
AHU and foundation must be noise insulated. Additionally, the respective design criteria of the pro-
vider must be complied. For the weight specifications of the AHU see the technical data sheet.
4.2 Erection
4.2.1 Potential risks that could arise at the erection site
-
For heating or cooling water, water-glycol circuits or steam lines for heating or cooling these
can be connected to the AHU. There may also be internal (closed) water or water-glycol cir-
cuits. In addition, a humidifier with inlets, outlets, overflows may be installed for humidification.
-
The pipes or hoses and their fittings can leak or become loose, so that inside or outside of the
AHU water or other substances are evident through the resulting leakage.
-
Cooling processes can cause dehumidification and the associated formation of condensation in
the AHU. The AHU is therefore equipped with condensate collecting trays and outlets. Never-
theless, condensate can exit from the AHU in the event of performance issues by the device,
under prohibited or extreme operating conditions. Errors on the AHU, prohibited or extreme op-
erating conditions can also cause the formation of condensate on the outer surfaces of the
AHU, which may case dripping.
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