2120 ET Initiating Wiring Diagrams M-2120~ET (Example, Figure 19)
The 2120 ET initiating wiring diagrams are very similar to the standard 2120 initiating wiring diagrams. However,
the M-2120-ET drawings are provided only with 2120 systems equipped with ETs and only provide information
regarding external device connections to an ET.
The 2120 ET initiating wiring diagrams are referred to by figure letter in the system interconnection drawings.
Note: System interconnection and wiring diagrams are discussed in the SYSTEM WIRING section of this manual.
2120
e-r
ST0
RELAY 80
ASSY. 562-447
W.O. SOi-572
I
SIGNAL
CIRCUIT
4
Y/O IV
c I8
WC 17
N/O I6
C
IS
N/C I4
N/O 13
c I2
pa. __ .--- -.-.._.
“”
NOTES:
t
-.-_.
1. ALL WIRING MINIMUM I4AWG
SIGNIL
LOCAL CODES
CIRCUIT
2
Z.RAlfiO ZO-28VOC
STR fYP6
J
29Ol- 9320
2901-9321
\
BELLS
OR TO
2901-9322
J
2902- 9203
2902- 9204
SIGNAL
CIl?CUIT
I
4.FIEFER TO 2120 PlELO WIRING SPECS. 900-036.
ET SIGNAL CIRCUIT
Fig. @ From M-2120-ET Initiating Wiring Diagrams
FIGURE 19
22
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