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Optional Hardwire Connection
CAUTION: Do Not attempt to hardwire the Alpha unless you are qualified to do so. If you are not
qualified, contact a licensed electrician.
1.
Choose a copper wire conduit in accordance with all applicable, local, and electrical safety
codes and standards.
2.
Choose a terminal ring with the following characteristics:
•
Recommended Wire Strip length: 8mm (0.32")
•
Width of the terminal block opening: 10.2mm (0.41")
3.
Using the appropriate tool, clamp the wire terminal to the copper wire. For non-insulated
terminals, use a heat shrink tube to cover the non-insulated portion of the terminal.
4.
Remove the plastic protective cover from the front of Alpha.
5.
Use a Phillips Head screwdriver to remove the 6 screws on the front of alpha. Carefully place
the front cover to the side without damaging the communication cable.
6.
With the front cover placed to the side, use a Philips Head screwdriver to release terminal
screws of the 6-50 or 14-50 Plug cable. Loosen the Strain Relief Fitting and remove the Plug.
Remove the Strain Relief connector.
7.
Insert the wire end passing through the conduit and insert them into the input wiring hole.
(Use Red wire for L1, Black wire for L2, Green wire for G). Attach the copper wire on the
corresponding terminal block. Use the following wire and torque force when connecting to
input terminal block:
Terminal
Conductor
L1
8 AWG
L2
8 AWG
G
8-10 AWG
Screw
Rating
M4
90C copper wire
M4
90c copper wire
M4
90c copper wire
Torque
max 1.8Nm | 16
LBF.IN
max 1.8Nm | 16
LBF.IN
max 1.8Nm | 16
LBF.IN
8
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