QUICK START GUIDE
Page 4
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Step 3
-
Connect 415Vac, Three Phase, 70Aac, 4 Wire +PE, AC Input
(24V FIRE AND GAS)
Danger: Shock Hazard —Turn OFF and Lock
-
Out Tag
-
Out the AC source before making AC connections.
Follow all local and national wiring rules.
The Fire & Gas Chargers
’
AC input is through the AC Cable Entry Panel in the cabinet top. (See illustration in Step 2)
Punch appropriate size holes in top cover. Recommended minimum wire size is 6 AWG (25 mm²).
Caution
:
Ensure that wires do not contact sharp or rough surfaces that may damage insulation and cause a short
circuit.
Caution: This cabinet contains DC/DC Converters. Output voltage may be present without input AC being applied.
Verify all AC breakers are off—external AC feed breakers and Cabinet AC breakers
1.
Remove AC Panel front cover—
4
screws—
5/16
socket.
2.
Verify AC voltage matches AC Input per Charger Label on the front door with a meter.
3.
Bring AC wires of each feed into the AC Input Box in conduit. Minimum recommended wire size is 6AWG (25mm²).
4.
Connect Ground wire of input feed (green /green
-
yellow) with suitable lug to the ground lug landing—
6
AWG (25mm²)
minimum recommended. Lug landing—
5/16”
studs on
1”
centers (lug not provided).
5.
Torque to 120 in
-
lb. (13.6 Nm)
6.
Connect each AC wire (L1, L2, L3, N) to its breaker terminal.
7.
AC terminal connections are labeled at each position—
L1, L2, L3,
N
8.
Strip
1/2”
(12mm)
-
application of ferrule recommended.
a.
Insert into breaker terminal.
b.
Torque
(1/8”
hex) to 48 in
-
lb. (5.4 Nm) for 6 AWG.
c.
Pull wire to verify.
9.
Reinstall AC Panel front cover –
4
screws.
