EDWARDS SYSTEMS TECHNOLOGY EST2 - Page 44

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INSTALLATION
WIRING
270211.CDR REV 3.0 Page 2 of 2
Wire Stripping Guide
1/4 inch (6.4 mm)
Strip 1/4 inch from the ends of ALL wires that connect to the terminal blocks
of the module.
Caution:
Exposing than 1/4 inch of wire may cause a ground fault.
Exposing than 1/4 inch of wire may result in a faulty connection.
more
less
H
L1
N
L2
G
G
BATTERY
TB1
TB1
TB2
TB3
J1
SMK/AUX
PWR
NAC PWR
24 Vdc
+
24 Vdc+
Smoke Power
_
NAC power
_
To dedicated 120 Vac,
15 Amp, 50/60 Hz
supervised branch
circuit
To dedicated 220 Vac,
7.5 Amp, 50/60 Hz
supervised branch
circuit
Ground
Line 1
Line 2
Hot
Neutral
Ground
Primary Power Supply (220 Vac)
Primary Power Supply (120 Vac)
See the details below for the battery terminal wiring. See the ribbon cable connections in step 2.
Set the Smoke/Aux power select jumper.
3
Install the jumper for auxiliary power or 2-wire smoke
detectors on Signature UM modules with 2-SMKs.
Remove the jumper for 4-wire smoke detectors.
24 Vdc Aux output to 24 Vdc terminals of 4-wire smoke
detectors. Maximum current:
500 mA when the SMK/AUX select jumper is removed
1 A when is installedthe SMK/AUX select jumper
Nonsupervised
In: Maintain continuous smoke/aux. power.
Settings
Out: Interrupt smoke/aux. power upon reset.
Notes
Power-limited
Nonpower-limited
Supervised
Nonsupervised
1
1
2
2
2
2
3
4
4
4
3
Route the battery wiring harness (P/N 250181)
through the plastic channel under the Main
Controller Module and the Expander Loop Module
to the battery terminals.
Battery
+
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Top view
black wire
red wire
TB2
TB2
Battery
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Battery
Plastic channel
Primary Power Supply
Main
Controller
Module
Expander
Loop
Module
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