Joining AHU casing units with screws/bolts
NOTICE!
Risk of damage to property from incorrect
assembly!
Be sure to assemble the AHU casing units correctly
as otherwise the condensate drain may be damaged.
–
Protect the condensate drain from damage.
Fig. 14: Joining the base frames with screws/bolts
①
Hexagon head screws
②
Washers
③
Nuts
④
Module connectors
⑤
Allen screws
⑥
Schnorr
®
washers
Use screws/bolts to join the casing units at the
base frame and at the module connectors.
WARNING!
Risk of explosion!
Improper assembly may lead to an explosion!
The joints between individual AHU casing units
provide equipotential bonding.
–
Position all Schnorr
®
washers as
described.
–
Secure all screw joints.
Failure to comply with these safety notes may
lead to an explosion.
Plate heat exchanger
If the plate heat exchanger is delivered in several parts,
it has to be assembled and installed in the AHU casing
by others.
Assembly steps:
Put the individual AHU casing units into the correct
position for assembly and assemble them.
Remove the front part of the casing unit into which
the plate heat exchanger is to be installed (operating
side). In the case of subdivided casings also remove
the tubular frame on the operating side of the casing
unit into which the plate heat exchanger is to be
installed.
Assemble the plate heat exchanger outside of the
AHU and according to the manufacturer's instruc-
tions
Appendix A.3 ‘Hoval’ on page 123
Push the completely assembled plate heat
exchanger into the AHU casing; be sure to position
it correctly with regard to the bypass damper and
recirculation damper (if any)
Ä
Approval drawing
(included with the technical data sheets).
Mount the sealing sheets.
Assemble the frame parts and panel by following the
steps in reverse order.
Setup and assembly
Setting up and assembling the air handling unit > Assembling AHU casing units
Air handling unit X-CUBE Ex
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