Mechanical installation | 7
Operating instructions CMVpro 125-400 ATEX | Version 1-en
41 / 88
7.7
Ceiling mounting
DANGER
Risk of injury due to fan falling
Injuries by pinching and crushing of body parts.
u
Lift and secure fan with suitable equipment when mounting.
Conditions:
• Installation location require-
ments
_
36].
• Fastening elements and vi-
bration absorbers present
according to manufacturer’s
recommendation
_
Fig. 26:
Fastening recommendation for ceiling mounting
1. Transfer the hole pattern of the vibration absorbers onto the ceiling.
See technical data sheet for the hole pattern dimensioning of the support.
2. Install anchoring elements (anchors) according to supplier’s instructions.
3. Fix vibration absorbers to anchoring elements.
4. Fasten fan to vibration absorbers tightly.
7.8
Connecting fan to ductwork
NOTICE
Risk of damage due to deformation of fan housing
Impeller touches casing or inlet cover.
▪ Connection tubes attached directly to fan connections transmit prohibited
stresses to the fan housing, e.g. due to thermal expansion.
u
Only connect fan connections to ductwork with sleeves.
u
Mount sleeves properly.
NOTICE
Risk of damage due to lateral forces
Cracking of the sleeve.
▪ Sleeves can only minimally compensate for a lateral/radial duct misalign-
ment.
u
Align connection tubes precisely.
u
Use supports for supplemental securing of connection tubes.