
2. Function of Each Part and Title Explanations
2-1. Indicator (EW401)
① Power Lamp ⑤ Trouble Signal
- Lamp to confirm electricity status
- Lighted in case of abnormal detection device or its line
(Green LED)
(Red LED)
② Circuit Test Switch ⑥ Reset Switch
- To confirm operation status of receiver - As alarm is kept in case of gas leakage or line test,
unit internal circuit it will be reversed when reversion switch is pushed after
(Alarm, level meter, buzzer, relay) it drops on the densitometer.
③ Buzzer stop Lamp ⑦ Gas Density Indicator
- In case of pushing the switch against - Expanded gas density is marked by lamp level meter.
Alarm, buzzer turns off, and lamp around
⑧ LEL Indication
switch and etc. turn off. - Table indicating lamp level meter and LEL conversion
④ Buzzer Stop Switch
-In case of pushing the buzzer stop switch against alarm, alarm
sound stops and in case numerical value of re-pushing, alarm is sounded.
TONGPRASERTCHAI CO.,LTD.