5 How to Operate
5-1. Preparation for start-up
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5
5
How to Operate
5-1. Preparation for start-up
Before connecting a power supply, read and understand the following precautions. Ignoring these
precautions may cause an electric shock or damage the detector.
Check that the detector is installed properly.
Check that the detector is grounded.
Check that the external wiring is done properly.
Check that the power supply voltage meets the specifications.
The external output may be fluctuated during adjustment. Take an appropriate measure to avoid the
influence on the gas monitoring system.
Make sure to use a fuse with the specified ratings to prevent fire.
Check that the tubes are connected properly (GAS IN, GAS OUT).
Check that the sampling flow rate is appropriate.
5-2. Basic operating procedures
The detection mode is activated after the power is turned on.
Power-on
Initial clear (approx. 25 seconds)
MODE switch (hold down for approx. 3 seconds)
Maintenance mode
Zero
adjustment
mode
Regular
maintenance
mode
Preparation
for start-up
Detection
mode
CAUTION
The regular maintenance mode is used by a qualified service engineer.