Table of Contents
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LCD Display
Front Panel
P1
Thermistor
P2
Sensor
P8
LCD Display
P9
Front Panel
P11
Single Fan and Dual Fan
P12
DC Power
P14
System Alarm
Figure 4-10.
Analog Interface board
connections.
P2
RS-485
P3-1
Reference Valve
P3-3
Sample Valve
P4
RS-232
Figure 4-11.
MCU PCB connections.
PN 583054901, Rev YA
Sensor
DC Power
Fan
(Single)
RS-232
RS-485
Reference Valve P3-1
Maintenance and Troubleshooting | 4-21
System Alarm
Fan
(Dual)
Battery
(Solder Side)
Sample Valve P3-3
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