User Manual

Model 1000 H2S Echem
Model 1000 H2S Echem Instruction Manual Rev. 2.8 Page 29 of 30
17. Wiring Diagram
123
123
Air Flow
Fault (optional)
Sample
Flow Fault
(Optional)
33
32
34
35
19 20 21
B
A
mA
A
B
RS-485 In
RS-485 Out
4-20mA Output
VDC Power In
Sensor
COM COM COM
Fault
Alarm Dry Contacts
Pump
Assembly
24VDC Power
Supply
123456
321Gnd
L1 N
+
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
Brown 18AWG
Orange 18AWG
Red 18AWG
Black 18AWG
Gray 18AWG
Orange 18AWG
Brown 18AWG
Gray 18AWG
White 18AWG
Black 18AWG
Green 18AWG
Red 18AWG
Black 18AWG
Red 18AWG
Black 18AWG
Red 18AWG
Black 18AWG
Red 18AWG
Black 18AWG
AC IN
Customer Supplied
Ground
Neutral (N)
120VAC (L1)
Connector Board
Brown 18AWG
Yellow 18AWG
Green 18AWG
Black 18AWG
Tan 18AWG
White 18AWG
Gray 18AWG
Blue 18AWG
Violet 18AWG
Orange 18AWG
1
2
17
18
32 33 34 35 36 37 38 39
38
39
11 12 13 14 15 16
Red
Black
25 26
NFS40-7624
P1
J1
J1
+
Brown 18AWG
Yellow 18AWG
Green 18AWG
Black 18AWG
Tan 18AWG
White 18AWG
Gray 18AWG
Blue 18AWG
Red 18AWG
Black 18AWG
Pump Box
Assembly
Power Supply
Box Assembly
Green 16AWG
Green 16AWG
+
+
24VDC
OUT
2.1A
18-36
VDC
IN
Red 18AWG
Black 18AWG
30 31
30
31
DC IN
(Optional)
24VDC Com
24VDC +
40 41
40
41
Figure 19 Wiring Diagram