RKI Instruments 65-2610RK-04 - Manual (Page 17)

65-2610RK-04 M2 Transmitter Operator’s Manual 12
• 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 M2 junction box’s chassis (earth) ground.
Figure 6: Wiring the Detector to the M2
13. Reinstall the detector terminal strip into its socket.
14. If shielded cable is used between the detector junction box and the M2 junction box,
connect the cable’s drain wire to an available chassis (earth) ground at the M2 junction
box. Do not connect the shield drain wire at the detector junction box.
15. Guide multi conductor shielded cable or cables or wires in conduit through the top
conduit hub of the M2 junction box. The number of cables or wires needed will
Red
White
Green
Black
C
N
C
N
O
FA
IL
C
NC
NO
Dete cto r J-Bo x
Com bustib le Ga s
Dete cto r
AL
A
R M
2
A
L
A R
M
1
C
NC
NO
-
S
+
LE
L
R
W
G
B
-
S
+
PW
R /S
IG
R
S 485
R
W
G
B
Dete cto r
Term ina l
Strip
L
E
L
P
W
R /S
IG
R
S 485
A
B
C
A
B
C
M2
J-Box
Cable
Shie ld
Black
Green
White
Red
Calibra tion Adapter/Splash Gu ard