Filter Assembly - Denco CAIRplus Operation Manual

Commissioning and Maintenance
8.4.5 Commissioning and Maintenance of EC fans
8.5

Filter assembly

8.5.1 Commissioning of filter assembly
DANGER!
68
Hazardous voltage can result in death!
Waiting time at least 3 minutes!
Due to the use of condensers, danger of death continues even after switching off
the unit by directly touching live components which are still live owing to fault
states.
•
Therefore only remove or open the controller casing after a 3-minute
waiting time after the unit has been disconnected to the mains supply line!
Danger due to automatic restart!
The fan/engine can be automatically switched on and off for functional reasons.
After a power failure or power supply breakdown, the fans automatically restart
when mains power returns again!
•
Wait until the fans have come to a standstill before approaching them.
With external rotor motors, the external rotor rotates during operation!
Risk of burns due to hot surfaces!
Temperatures above 85 °C can occur on the motor surfaces, particularly on the
controller casing!
Severe burns can be the consequence.
•
Please also observe the instructions of the component manufacturer!
ELECTRICAL HAZARD AND DANGER OF ROTATING UNIT PARTS WITH
SHARP EDGES!
•
OBSERVE PERSONAL PROTECTION MEASURES
•
Please consider the safety instructions on page 5 and page 55ff when
performing all the described activities!
•
Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Complete the following commissioning steps:
•
Check filter assembly and installed filters for damage.
•
Check that filter assembly is correctly fitting in the mounting frame.
•
If required, clean installation dust before the filter assembly and unit parts in the
direction of airflow.
•
Repeat cleaning before installing filters from grade F9 into the air handling unit and
ductwork.
•
Put the fan into service and take readings of the initial pressure difference (if
available).
PR-2009-0096-GB • Subject to modifications • R8-10/2015
CAIRplus