Maintenance; Prior Precautions; Maintenance Frequency; Access To Electric Fan - ViM JBRB ECOWATT PR Instruction Manual

8.

MAINTENANCE

8.1 Prior precautions

Shut off the power supply before carrying out any work and make sure that it cannot be accidentally turned
back on (+ padlock optional switch-disconnector in OFF position during the entire process).
Comment:
For models 04 to 22: presence of an auxiliary fan to cool the motor when operating in "fire mode".
"Fire mode": when a fire breaks out, the C4 unit automatically switches to its maximum rotation speed for
smoke extraction. At this point, for unit sizes from models 04 to 22, an auxiliary fan will start up to cool the C4
unit electric fan.
A push button located on the side of the unit is used to test the proper operation of the auxiliary fan.

8.2 Maintenance frequency

Carry out a regular inspection according to the following recommendations:
Body
Check the direction of rotation, check the
Turbine absence of rubbing between mobile parts and
stationary parts
Check the connections, particularly the
Controller
connection to the earth electrode
Check the connections, particularly the
On-off switch
connection to the earth electrode
Duct networks Check seals
Pressure inlet Check aeraulic connections
Auxiliary fan Check operation using test button
Auxiliary fan (JBRB ECOWATT

8.3 Access to electric fan

When commissioned
PR 04/06/10 and 22 only).
®
JBRB ECOWATT
43/48
At least every 6 months
Clean if necessary, check the absence of
rubbing between mobile parts and stationary
parts
Tighten the terminals if necessary, check the
ampere rating
Tighten the terminals if necessary
Clean if necessary
Check operation
Check operation using test button
PR 04 to 38
®
NT00000603-JBRB-ECOWATT-PR-AN-191202