7
EAC
NEUTRAL
GND
HVAC Equipment
Control Center
Circuit Board
IT IS COMMON TO SEE SPADE
TERMINALS ON THE HVAC
EQUIPMENT CONTROL
CENTER CIRCUIT BOARD.
USE ONLY FULLY INSULATED
FITTINGS (FEMALE QUICK
DISCONNECTS SHOWN).
3-PRONG OUTLET
WIRED TO HVAC
SYSTEM EAC
TERMINAL
HVAC EQUIPMENT
CONTROL CENTER
GND
GRN
WHT
BLK
HVAC EQUIPMENT
LINE
3-PRONG OUTLET
WITH 120-VOLT
SERVICE IN CONDUIT
MODEL 51
(SUPPLIED)
GND
HVAC EQUIPMENT
C
COM
COM
LOW
HI
MODEL 51
RELAY
WIRE
NUT
JUNCTION
BOX
BLK WHT GRN
LINE
VOLTAGE
WIRE
NUT
REFER TO THE
INSTRUCTIONS PROVIDED
WITH THE MODEL 51 FOR
WIRING DETAILS
FIGURE 12
FIGURE 14
FIGURE 15
FIGURE 13
ONE “WRAP” -
USE FOR 1/2 HP
MOTORS OR
LARGER
TWO “WRAPS” -
USE FOR
MOTORS LESS
THAN 1/2 HP
INCORRECT
“WRAP” - DOES
NOT WORK
Unit OFF
Blue Light OFF
Unit ON
Blue Light ON
