Installation Guide

2
3. Connect the white wire from the Compressor Defender™ to
the neutral connection in the panel as shown in Figure 3.
4. Connect the two black wires to the load side of the circuit
breaker that is supplying power to the compressor/pump as
shown in Figure 3.
NOTE: The black wires may be connected to the line or load
side from the AC disconnect.
5. Connect the supplied 24 VAC thermostat wire. Splice Com-
pressor Defender™ thermostat control wires into the Y1 ter-
minal thermostat wire as shown in Figure 4.
6. Ensure all mounting and electrical connections are correct
and securely fastened.
7. Reconnect condensing unit power at circuit breaker(s) and
at the 24 VAC thermostat circuit. The green LED ashes to
indicate the unit is in short cycle delay.
See Tables 1 and 2 for explanation of LED indicator status.
24 VAC
Y1
Y1
24 VAC
Typical 208/240 VAC Application
Black
White
Black
AC Disconnect
Line
LoadLoad
Line
Line Neut Line
NOTE: Both black wires
connect to Line.
Line
Neutral
Ground
Grounded/
Neutral
(WHITE)
Line
(BLACK)
Line
(BLACK)
120 VAC
0 VAC
120 VAC
120 VAC two wire single phase
with separate ground.
Found at connections for individual
pieces of equipment, such as pumps,
single phase motors, and HVAC
applications.
Typical 120 VAC
Application
Y1
Y1
Figure 3 Installing Surge Protector wiring.
NOTE: Both black wires
connect to Line.
Line
Neutral
WHITE
BLACK
120 VAC two wire single phase
with separate ground.
Found at connections for individual
pieces of equipment, such as pumps,
single phase motors, and HVAC
applications.
BLACK w/WHITE SLEEVE
24 VAC
Y1
Y1
Figure 1. Installing Compressor Defender™ to AC Disconnect Box.
Compressor
Defender™ Housing
AC
Disconnect
Box
Top
Side
(L/R)
Note: Do not mount the
device at the bottom
of the disconnect box
24 VAC
Thermostat Wire
Nipple
Locknut
Gasket
Black Wire
Black Wire
White Wire
AC Disconnect Box
24 VAC
Y1
Y1
Figure 2. Mounting Compressor Defender™
in condensing unit.
Sheet
Metal Screw
Typical 120 VAC Application