Maico ERM 22 Ex e User manual

INSTALLATION INSTRUCTIONS
ERM 22 Ex e
Version: 2018-01-25 - MAICO VENTILATOREN, www.maico-fans.com - We are not responsible for mistakes or printing errors and retain the
right to make technical modifications without giving prior notice Page 1
ERM ... Ex e for air extraction from storage rooms with explosive atmospheres
MAICO fans can be used to bring the concentration of combustible gases under the explosion limit. This reliably prevents the
build-up of an explosive atmosphere.
In the example shown, an ERM ... Ex e fan is extracting gases which are heavier than air. It is therefore positioned close to
the ground.
1
2Ventilation duct, to be supplied by the customer
3Fixing cuff ELM ... Ex
4Fan ERM ... Ex e
5Protective grille SGM ... Ex
6Potentially explosive atmosphere
Installation in ventilation ducts
■The illustration shows the installation of an ERM-Ex fan within a duct system.
■Use the FUM foot to mount the fan on the wall or the ceiling.The mounting foot can be secured at any position on the fan
circumference with the screws supplied.
1Ventilation duct, to be supplied by the customer
2ELM-Ex flexible cuffs
3REM-Ex reducer
4Terminal box
5Ceiling, girder
6FUM mounting foot
7ERM-Ex fan
Installation at end of duct, fan with free inlet
■The illustration shows the installation of an ERM-Ex fan at the end of a duct system.
■Use the FUM foot to mount the fan on the wall or the ceiling.The mounting foot can be secured at any position on the fan
circumference with the screws supplied.
■Use an SGM-Ex protective grille with the outlet free

INSTALLATION INSTRUCTIONS
ERM 22 Ex e
Version: 2018-01-25 - MAICO VENTILATOREN, www.maico-fans.com - We are not responsible for mistakes or printing errors and retain the
right to make technical modifications without giving prior notice Page 2
1Ceiling, girder
2Ventilation duct, to be supplied by the customer
3ELM-Ex flexible cuffs
4REM-Ex reducer
5ERM-Ex fan
6FUM mounting foot
7SGM-Ex protective grille
8Terminal box