RKI Instruments 65-2649RK-CH4-4 - Manual (Page 17)

65-2649RK-CH4-4 M2A Transmitter Operator’s Manual 12
12. Pull out the detector terminal strip and connect the four wires to the terminal strip as
follows (see Figure 6).
• 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 6: Wiring the Detector to the M2A
13. Reinstall the detector terminal strip into its socket.
Red
W hite
Green
Black
Cable
Shield
Detector
Terminal
Strip
Green
White
Black
Red
Detector J-Box
M2A
J-Box
IR LEL Detector
Cal ibration Adapter/Splash G uard
C
NC
NO
AL
AR
M
1
C
NC
NO
AL
A
R
M
2
C
NC
N
O
FA
IL
-
S
+
A
B
C
RS
4
8 5
PW
R
/S
IG
R
W
G
B
LE
L