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Figure 35. E3 Furnace Low Voltage Wiring if Installed with Platinum Series Models
Typical AC
RGW
Y
Ye l l o w
Black
PLATINUM
THERMOSTAT
Yellow or Blue
White
Green
Red
Wire from furnace to Platinum unit
Green
White
Red
Yellow or Blue
Red and white
t-stat wire
connected by
OEM
Wire from thermostat
to furnace
R
GW
Y
Grey
White
Red
Green
Grey or Green
White
Orange or Red
Ye l l o w
FURNACE
PLATINUM
THERMOSTAT
Typical HP
Wire from thermostat
to furnace
Yellow or Blue
White
Green
Red
Wire from furnace to
Platinum unit
Green
White
Red
Yellow or Blue
Platinum installer
disconnects
white and red
t-stat wires
Grey
White
Red
Green
FURNACE
Figure 34. 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