13
65-2661RK-03-04 M2A Transmitter Operator’s Manual
12. Pull out the detector terminal strip and connect the four wires to the terminal strip as
follows (see Figure 7).
•
Connect the wire corresponding to the detector’s red wire to the LEL “R”
terminal.
•
Connect the wire corresponding to the detector’s white wire to the LEL “W”
terminal.
•
Connect the wire corresponding to the detector’s green wire to the LEL “G”
terminal.
•
Connect the wire corresponding to the detector’s black wire to the LEL “B”
terminal.
CAUTION:
If shielded cable is used, leave the cable shield’s drain wire disconnected and
insulated at the detector junction box. You will connect the opposite end of the cable’s
drain wire to the M2A junction box’s chassis (earth) ground.
Figure 7: Wiring the Detector to the M2A
C
NC
NO
AL
AR
M
1
C
NC
NO
AL
AR
M
2
C
NC
NO
FA
IL
Detector
Terminal
Strip
M2A
J-Box
Calibration Adapter/Splash Guard
Cable
Shield
Black
Green
White
Red
Red
Black
White
Green
IR CO2 Detector
Detector J-Box
-
S
+
A
B
C
RS
4
8
5
PW
R
/SI
G
R
W
G
B
LE
L