PT1E-0930
8
３－４．Name of each part and function
*The below pictures show indicator/alarm unit with single case.
①LED display・・・・・・・・・・・・・・・・・・・・・・・・ Indicates gas concentration.
②POWER switch・・・・・・・・・・・・・・・・・・・・・ ON/OFF switch
③Terminal plates・・・・・・・・・・・・・・・・・・・・・ Connects cables from outside.
For multi-unit case refer to instruction manual for multi-unit case.
④PW/TR light・・・・・・・・・・・・・・・・・・・・・・・ Combination light for power and trouble indication.
Steady light : Power ON, normal operation
Flashing : Trouble
⑤AL1 light・・・・・・・・・・・・・・・・・・・・・・・・・ Flashes at gas alarm (1
st
alarm)
⑥AL2 light・・・・・・・・・・・・・・・・・・・・・・・・・ Flashes at gas alarm (2
nd
alarm)
Alarm lights change continuous lighting after RESET operation.
⑦SKIP light・・・・・・・・・・・・・・・・・・・・・・・・ Flashes during maintenance mode.
⑧MODE switch・・・・・・・・・・・・・・・・・・・・・ Uses at maintenance work.
⑨UP/DOWN switch・・・・・・・・・・・・・・・・・ Uses to select items at maintenance mode, increase or decrease reading
at zero and span adjustments, and to increase or decrease reading at
alarm test.
⑩SET switch・・・・・・・・・・・・・・・・・・・・・・・ Uses to change for alarm test mode.
This is also used to set the contents of mode during maintenance mode.
⑪Disengagement lever・・・・・・・・・・・・・・・・ Locks the indicator/alarm unit.
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑪
