
Differential
Setting
2
nd
Stage ON
F º (C º) Differential
from 1
st
Stage
2
nd
Stage OFF
F º (C º) Differential
from 1
st
Stage
Comment
2n0
Never On
Always Off
Use on Single Stage
Systems
2n1
0.5º F (.025º C)
0.5º F (.025º C)
2n2
1.0º F (.50º C)
0.5º F (.025º C)
Default Setting
2n3
1.5º F (.75º C)
0.5º F (.025º C)
2n4
2.0º F (1.0º C)
0.5º F (.025º C)
2n5 (for
Elect Heat)
1.0º F (.50º C)
Same as 1
st
Stage
2
nd
Stage Runs until 1
st
Stage Off
2n6 (for
Elect Heat)
2.0º F (1.0º C)
Same as 1
st
Stage
2
nd
Stage Runs until 1
st
Stage Off
2n7 (for
Dual Fuel)
1.0º F (.50º C)
Same as 1
st
Stage
VT2007 Only*
(locks out 1
st
Stg)
2n8 (for
Dual Fuel)
2.0º F (1.0º C)
Same as 1
st
Stage
VT2007 Only*
(locks out 1
st
Stg)
1208