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Cleaning and maintenance | 8
Pernicka-700H-CHLD-Operating-instructions-jin76aen1-04-(1911)
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8.3.2 Check or change the filter mat
Carry out the maintenance work in accordance with the manufacturer's maintenance
plan and the manufacturer's technical documentation. See "Operation Manual CHLD
Sensor QME 220".
The filter mat serves for dust filtration of the cooling air. To ensure sufficient cooling of
the electronic components in the CHLD-Sensor clean the filter mat regularly.
Required spare parts
Filter mats (5 pieces) CHLD 700 Sensor
electronics box
Order number: 452-552
Required tools
Screwdriver Torx T10
Separate the connection from the IO 220 module
► Disconnect all electrical connections to the IO 220 module: Power supply, Ethernet
cable, analog I/O-cable, digital I/O-cable.
Connection for the
power supply
Connection
(PC)
Module
IO 220
QME 220
Analog I/O
Digital I/O
Ethernet
Fig. 51: CHLD-Sensor: Disconnect connections on IO 220 module
Disconnect the QME 220 electronics device from the QMA 220 analyzer
1
Loosen the 2 screws on the QME 220 electronics device.
2
Carefully remove the QME 220 electronics unit from the QMA 220 analyzer.
Summary of Contents for Pernicka 700H CHLD
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