Measures prior to commissioning
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Check the final installation condition of the fan prior to initial
commissioning in accordance with the following checklist:
-
Ensure freedom-of-movement for the impeller (turn 1x
by hand), no rubbing noises should be audible and the
impeller should rotate freely
- Check the impeller gap (refer to chapter 8.2)
- Remove any foreign objects and accumulations of
water from the interior of the housing
- Inspect all external screws for secure fastening
(protective covers, duct work connections, etc.) and
ensure correct tightening torques (refer to Table 7-1 in
chapter 7.3 Assembling the fan)
- Close the inspection opening (optional)
- Close the condensate drain (optional) or place a
collecting vessel underneath
- Remove the transport locking devices (optional)
- Remove the transport bracing (optional)
- Remove all objects (such as tools, ladders, appliances)
- Connect the duct work to inlet and discharge (refer to
chapter 8.3)
- Fit the flexible connections (optional) (refer to
chapter 8.4)
- Activate the re-lubrication devices (optional) (refer to
chapter 8.5)
- Connect the shaft seal to the barrier gas line (optional)
(refer to chapter 8.6)
- Connect all electrical components (refer to chapter 8.7)
- Connect all monitoring devices (refer to chapter 8.8)
- Fit all protective covers
- Align the coupling (refer to chapter 8.1)
- Ensure easy freedom-of-movement and correct
functioning of regulating devices installed in front of
and behind the fan
8.13 Checking the final installation
condition
