Rittal DET-AC III Master, Mounting, Installation And Operating Instructions

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11 Maintenance
L
WARNING
Danger due to a lack of fire safety!
If the system has been taken out of service there is no fire safety. Fires breaking
out can cause severe injuries and significant property damage.
● Keep functioning and suitable reserve extinguishing equipment on hand (e.g.
suitable fire extinguishers).
● Do not shut down the system longer than necessary.
● Place the system in service immediately after conclusion of the inspection and
maintenance tasks.
The owner performs regular visual inspections and functional checks described for
the owner.
Maintenance of and repairs to the system are performed by a trained Authorized
Distributor.
An authorized specialist company for the maintenance and troubleshooting tasks is
a company whose employees have been trained by the manufacturer of the system.
As a general rule, this is an employee of the installation company.
The manufacturer accepts no liability for improper handling and insufficient or non-
performed regular checks and maintenance.
11.1 Regular checks by the owner
Personnel: n Person in charge of the system
Daily checks
● The system must be in a failure-free state (operating state without failure or
alarm: the green LED lights up, there are no yellow failure LEDs or red alarm
LEDs lit up or blinking).
If the system is connected to a CMC III, the control can also be done via the
website or the superordinate control system.
● Failures present are to be recorded and rectification is to be initiated.
Monthly checks
● Suction pipe and discharge nozzle must not exhibit any external damage and the
discharge nozzle must be free from contamination and spray obstacles.
● Suction pipe connections must not be broken off.
● Have the air flow measured value displayed (
Ä
Chapter 8.6 “Air flow calibration”
on page 73 ) and compare it with the value from commissioning report in order to
determine contamination where applicable. The maximum permissible deviation
from the set value is 10%.
● Perform a lamp test
Ä
Chapter 8.3.2 “Main menu” on page 70 .
Maintenance
Operating Instructions / DET-AC III Master / 916005 / 11-2022 / en_US 99