65-2331-04 H
2
S Transmitter • 9
Figure 6: Wiring Detector to Amplifier
10. Reinstall the detector terminal strip into its socket.
11. Secure the amplifier junction box’s cover to the junction box.
12. If shielded cable is used, connect the cable’s drain wire to an available chassis (earth)
ground at the amplifier junction box. The amplifier mounting screw is a convenient
grounding location. Install a lug on the shield drain wire or wrap the shield drain wire
around the mounting screw. Do not connect the shield drain wire at the detector
junction box.
Wiring the Amplifier to a Controller
1.
Turn off the controller.
2.
Turn off or unplug power to the controller.
3.
Remove the amplifier junction box’s cover from the junction box.
B lack
Red
SI
G
/P
W
R
B lack
ZE
R
O
SP
A
N
S
Red
T
O
X
IC
O
X
Y
A m plifier
A m plifier J -B ox
Cali bration A dap ter/S plash Gu ard
Detec tor
Term inal S trip
Cabl e
S hield
Detec tor J -B ox
Hy drogen S ulfide D etec tor
