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Note: Do not mount the
device at the bottom
of the disconnect box
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 flashes to
indicate the unit is in short cycle delay.
See Tables 1 and 2 for explanation of LED indicator status.
Line Neut Line
Black
White
Black
Line
Line
AC Disconnect
Load
Load
Y1
NOTE: Both black wires
connect to Line.
Line
Line
120 VAC
(BLACK)
Neutral
120 VAC
0 VAC
Ground
120 VAC two wire single phase
with separate ground.
Found at connections for individual
Top
Nipple
AC
Disconnect
Box
Side
Compressor
(L/R)
Defender™ Housing
24 VAC
Thermostat Wire
Figure 1. Installing Compressor Defender™ to AC Disconnect Box.
Typical 208/240 VAC Application
24 VAC
Y1
Typical 120 VAC
Figure 3 Installing Surge Protector wiring.
Application
Line
(BLACK)
Grounded/
Neutral
(WHITE)
Gasket
Black Wire
White Wire
Black Wire
AC Disconnect Box
24 VAC
Y1
Y1
Metal Screw
Figure 2. Mounting Compressor Defender™
BLACK
NOTE: Both black wires
Line
WHITE
Neutral
BLACK w/WHITE SLEEVE
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.
2
Locknut
Sheet
in condensing unit.
Typical 120 VAC Application
connect to Line.
24 VAC
Y1
Y1
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