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16 DF-745 Installation, Start Up and Shut Down
See page 25 for information on the installation of the optional vacuum pump.
PROCESS OUTLET
PROCESS INLET
NOT USED
55 RLY4-COMRLY2-COM
RLY1-COM
RLY1-NO
RLY1-NC
KEY
44 RLY3-NC
1
2
3
KEY
3
2
1 RLY3-COM
RLY3-NO
RLY2-NO
RLY2-NC
GND 8
6
7
GND8
7
6 RLY4-NO
RLY4-NC
RX+
TX+
33
1
2
1
2
4-20mA-
4-20mA+
TX-
GND
RX-
KEY
8
7
6
4
5
KEY
GND8
7
6
4
5 AOUT-
AOUT+
~
~
~
~
~
~
Figure 4: Rear Gas Connections
55 RLY4-COMRLY2-COM
RLY1-COM
RLY1-NO
RLY1-NC
KEY
44 RLY3-NC
1
2
3
KEY
3
2
1 RLY3-COM
RLY3-NO
RLY2-NO
RLY2-NC
GND 8
6
7
GND8
7
6 RLY4-NO
RLY4-NC
RX+
TX+
33
1
2
1
2
4-20mA-
4-20mA+
TX-
GND
RX-
KEY
8
7
6
4
5
KEY
GND8
7
6
4
5 AOUT-
AOUT+
~
~
~
~
~
~
PROCESS OUTLET
PROCESS INLET
NOT USED
PNEUMATIC GAS INLET
REGULATOR ADJUST
BYPASS FLOW ADJUST
BYPASS OUTLET
Figure 5: Rear Gas Connections and Controls with Optional Gas Panel