I'm replacing an old mercury tstat with a new digital tstat For a heat pump. New tstat works with heatpumps, and heat pump is a Rheem
old tStat wires connected
G
Y
R
X1
B
W2 jumpered to E
New tstat options
Y2
Y1
G
RC
C
W1
W2/O
Where do X1 and b go?
tstat wiring
old tStat wires connected
G
Y
R
X1
B
W2 jumpered to E
New tstat options
Y2
Y1
G
RC
C
W1
W2/O
Where do X1 and b go?
