Servomex DF-310E - Figure 17: Case Purge Option

Options DF-310E 31
purge system has a maximum supply pressure rating of 100 psig and is
connected via a 1/8-inch compression fitting. Dry nitrogen is recommended.
AC power is connected by the user at the three-terminal connector block next
to the purge gas inlet. See Figure 17.
SAMPLE OUTLET
1/8" COMPRESSION
7.75 [196.75]
8.33 [211.48]
CABINET PURGE
FLOWMETER AND
CONTROL VALVE
9.07 [230.38]
2.05 [52.07]
4.21 [106.93]
SAMPLE INLET
1/8" COMMPRESSION OR
1/4" VCR COMPATIBLE MALE
9.70 [246.33]
1.63 [41.35]
5.12 [130.05]
SEALED AC POWER
CONTROL RELAY
.60 [15.33]
7.92 [201.09]
CABINET PURGE
FLOW SWITCH
232-GND
485-TX -
UNUSED
485-RX -
232-RX
232-TX
485-TX +
485-RX +
EXT-2 -
EXT+1 -
EXT-2 +
GND (H-)
SE -
SE+ (H+)
SNSR -
SNSR +
J7
UNUSED
TEMP -
TEMP +
UNUSED
UNUSED
LOOP -
J8
A4-NOA2-NO
EXT-1 +
FLOW-B
UNUSED
FLOW-A
UNUSED
PUMP +
PUMP -
A OUT -
A OUT +
GND
A4-NC
GND
UNUSED
LOOP +
UNUSED
J5
UNUSED
UNUSED
24V RTN
UNUSED
+24V
A2-NC
J3
GND
J6
J4
A4-COM
UNUSED
A3-NC
A3-NO
A3-COM
A1-NC
UNUSED
A2-COM
A1-NO
A1-COM
J1 J2
P
P
M
Figure 17: Case Purge Option