User Manual

4 • Description Pioneer Gas Monitor Operator’s Manual
Internal Description
This section describes the internal components of the Pioneer.
Figure 2-1: Pioneer Gas Monitor Component Location
Display screen
AC fuses
Power switch
AC terminal strip
External wiring
terminal strips (lower)
Transformer
(under display
screen board)
Housing
Program buttons
Analyzer card
socket (4)
DC fuse
Expansion
terminal strip
Conduit hubs
(see Fig. 2-2)
(115V—1 amp top only)
(220V—1/2 amp both)
Reset switch
Alarm lights
(see Fig. 2-2)
(3A, 250V)
(3/4 in. NPT)
Buzzer
(behind switch)
External wiring
terminal strips (upper)
FAIL light
PILOT light
1.
2.
3.
Analyzer Card
terminal strips
1.
2.
3.
Relay
Recorder output
Detector
Analyzer card
Ground stud