Armstrong Monitoring AMC-1040 설치 및 운영 지침 매뉴얼 - 페이지 16

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1. Calibration

6 PREVENTIVE MAINTENANCE

6.1 GENERAL

The monitor should be wiped clean with a damp cloth following a regular maintenance program.

Avoid spraying, submersion and other conditions that could cause a liquid to enter the monitor

and cause possible intrinsic damage to internal components.

6.2 SENSOR REPLACEMENT

Caution:

Turn off the power supply before replacing sensor.

The signal from the sensor will be greatly reduced when its replacement is required. The sensor

should be replaced when it no longer responds to the presence of gas or has an unstable zero

signal.

Sensor life as well as the "Sensor Part Number" that is needed to reorder the replacement

sensor are found in the Product Information on page IV.

To replace the sensor:

disconnect power

remove the four cover screws and cover from the unit

unplug the used sensor element from the board and dispose of it properly

plug in the replacement element onto the board, making sure sensor pins are

aligned with the pin sockets

connect the power perform the calibration procedure

following calibration, reinstall the cover plate

refer to Figure 8 for sensor replacement.

Note:

Allow 10 minutes for the new sensor to stabilize before performing section 5.2 calibration

procedure.

AMC-1040 Monitor