Alpha Technologies Micro Secure UPS - Manual (Page 18)

017-220-J0 Rev B
16
5.3 Wiring the Alpha Micro Secure
5.3.1 Tools and Materials Required
• Slotted-tip screwdrivers for tightening screws on terminal blocks
• DC voltmeter
• Maximum of 12 AWG wire for wiring the input and output terminal blocks
• If used, maximum of 16 AWG wire for wiring the dry contact terminal blocks
Procedure
You may have to connect the dry contact terminal block outputs and the RS-232 connector depending on your
requirements.
1. Connect the load wiring to the output terminal block as labeled. Torque to 7.0 lb-in (0.8 Nm).
2. If used, connect the dry contact terminal blocks and the RS-232 or Ethernet connectors. If using a conduit,
drill a 1/2" hole to attach a matching conduit.
3. Wire the input terminal block according to its label. Torque to 7.0 lb-in (0.8 Nm).
Before starting, make sure line power is turned off and the UPS Input breaker and
battery breakers are OFF.
WARNING!
To Load
Drill hole
to attach
incoming
conduit
1 3
From Line
Power
Input
terminal
block
Dry contact
terminal
block
Output
terminal
block
Figure 6 — Wiring the Alpha Micro Secure