Detcon 1000 - Manual (Page 31)

Mdl 1000 H2S E-Chem / Inst. Air
Model 1000 H2S E-Chem w Instrument Air Rev. 1.1 Page 27 of 28
17. Wiring Diagram
B
A
mA
A
B
RS-485 In
RS-485 Out
4-20mA Output
VDC Power In
Sensor
Assembly
COM COM COM
Fault
Alarm Dry Contacts
Pump
Assembly
24VDC Power
Supply
1 2 3 4 5 6
3 2 1 Gnd
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
Brow
n 18AW
G
O
rang
e 18AW
G
Red
18
AW
G
Bl
ac
k
1
8
A
W
G
Gra
y
18AW
G
O
rang
e 18AW
G
Brow
n 18AW
G
Gra
y
18AW
G
White 18AWG
Black 18AWG
Green 18AWG
Re
d 1
8
A
W
G
Bla
c
k
18AWG
Re
d 1
8
A
W
G
Bla
c
k
18AWG
Re
d 1
8
A
W
G
Bla
c
k
18AWG
Re
d 1
8
A
W
G
Bla
c
k
18AWG
AC IN
Customer Supplied
Ground
Neutral (N)
120VAC (L1)
Connector Board
Brow
n 18AW
G
Y
e
llow
1
8
A
W
G
G
ree
n 18AW
G
Bl
ac
k
1
8
A
W
G
Ta
n 1
8
AW
G
Whi
te 18A
WG
Gra
y
18AW
G
B
lue
18
A
W
G
Vi
ol
et
18AW
G
O
rang
e 18AW
G
1
2
17
18
32 33 34 35 36 37 38 39
38
39
11 12 13 14 15 16
Re
d
Black
25 26
NFS40-7624
P1
J1
J1
+
Brow
n 18AW
G
Y
e
llow
1
8
A
W
G
G
ree
n 18AW
G
Bl
ac
k
1
8
A
W
G
Ta
n 1
8
AW
G
Whi
te 18A
WG
Gra
y
18AW
G
B
lue
18
A
W
G
Re
d 1
8
A
W
G
Bla
c
k
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
1 2 3
1 2 3
Air Flow
Fault (optional)
Sample
Flow Fault
(Optional)
33
32
34
35
19 20 21
22 23 24
Figure 17 Wiring Diagram