Datasheet

MasterSwitch VM: Installation and Quick Start Manual 15
Installing MasterSwitch VM
Hardwiring
procedure for
AP9227 or
AP9228 (NEMA
models)
1. Make sure that the unit is powered off.
2. Unplug any attached equipment to prevent damage to
equipment during wiring.
3. Remove the inspection cover on the power inlet end of
the unit by removing the top two screws and sliding the
inspection cover off of the unit.
4. Remove the nuts and loosen the two screws that are used
to attach the power cord’s wires to the termination block.
5. Remove the power inlet end cap by removing the
remaining two bottom screws and lifting the end cap off
of the unit.
6. Locate the provided hardwiring end cap (
APC part
number
870-8029).
a. Attach a
3/4-inch conduit termination to the
hardwiring end cap.
b. Attach the hardwiring end cap assembly to the end of
the unit, using the two screws removed in step 3.
7. Attach wires to the terminal block as shown in the figure
below. Attaching the wires is easier to do if you back the
terminal block screws out several turns.
8. Replace the inspection cover with the screws that were
removed in step 3.
9. Power the unit on to be sure that the MasterSwitch VM
status
LED on the opposite end illuminates to indicate
power to the unit. Then power the unit off and reattach
your equipment to the MasterSwitch VM outlets.
Note
The wires should be attached as shown from
the bottom to the top: green, white, black.