Install Instructions

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Before
After
Dry-Contact Heating System
B
W
R
Sender
Yellow
Green
Red
Purple
Red
Blue
White
Yellow
Green
Red
Black
Red
Purple
Black
Blue
White
Thermostat
Cable
Thermostat
Cable
24VAC
Relay
Thermostat
R
C
Y G W
Thermostat
Air Handler
24V Transformer
G
Fan
Y
R
C
Heating System
Heat
T
T
Heating System
Heat
T
T
Note: A 24VAC relay will have to be
installed to provide electrical isolation
between the two systems.
To Air
Conditioner
Receiver
Model 5000