16
START-UP & ADJUSTMENTS
Pre-Start Check List
Verify the polarity of the connections are correct, the line
voltage power leads are securely connected and the
furnace is properly grounded. Refer to the appropriate
wiring diagram.
Verify the thermostat wires are securely connected
to the correct leads on the terminal strip of the circuit
board.
Check blower motor and relay box connectors for
proper connection.
Start-up Procedures
1. Reinstall control box cover(s).
2. Switch circuit breaker(s) to the ON position.
3. Replace outer furnace door.
4. Check all duct connections and tape for air leakage.
Figure 19. E3EB Thermostat Connection
W Y RC RH G
White
Grey
Red
Green
W Y R G
White
Grey
Red
Green
E3EB FURNACE Control Wiring
5-Wire Thermostat
W
R
White
Red
Unstripped
Wires
Wire
nuts
Grey
Green
To A/C
To A/C
E3EB FURNACE Control Wiring
4-Wire Thermostat
Wire
nuts
G R W
2
C E O Y
White
Grey
Red
Green
To
H/P
E3EB FURNACE Control Wiring
Heat Pump Thermostat
Wire
nuts
E3EB FURNACE Control Wiring
2-Wire Thermostat
Wire
nuts
