page 49 of 91 USB-QFLCII-14804/0
6.5 Commissioning
Inspection prior to first
commissioning
Prior to commissioning of the inlet isolation device, please perform a
complete visual check, paying attention to the following points:
•
Foreign substances (i. e. tools) within the system?
•
Ductwork tightly connected?
•
Is the inlet isolation device running smoothly/closing smoothly?
Test run: see Section 9.8 Check the flap blade ease of movement
•
Check the closed-position sensor: opening the flap by approx.
0.02’’ (0.5 mm) should result in a signal. If not, readjust. See Section
9.13, Adjusting the closed position sensor
•
If the inlet isolation device is equipped with an optional level sensor,
check the level sensor: does level sensor send a signal to the
monitoring panel/does LED ring light up if an object is placed in front
of the sensor inside the device? Test run, see Section 9.14 Optional
feature: Adjusting the level sensor.
•
Inspection door tightly closed?
•
Electrical installation according to regulations?
•
Inlet isolation device grounded?
Start up After inspecting the above-mentioned items, the system can be commissioned.
The main switch must be turned on at the electrical switch and control unit, and the fan
should be started.
CAUTION
Further steps could become necessary prior to commissioning. Please
keep in mind any cautions and instructions described in the operating
and maintenance instructions of the control system or other system
components.
Checks after start-up Please check the following issues after start-up:
•
Check if a malfunction message is indicated on the monitoring panel.
•
Check the level sensor, if installed. There should be no signal. (the dead LED
ring of the sensor is not lit up).
•
Check that the closed-position sensor sends no signal (“0” signal) (Can be seen
at the monitoring panel)
System shutdown Shut down the system Wait until the system, especially the fan impeller, comes to a
complete stop. Then inspect the inlet isolation device:
•
Check if a malfunction is indicated
•
Is the flap blade closed and the locking mechanism snapped in? Test procedure
see Section 9.9 and 9.10 Inspecting/adjusting the locking mechanism.
•
Does the closed-position sensor identify the closed flap blade? Test procedure,
see Section 9.12, 9.13, Inspection/adjusting the closed-position sensor
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