Set Fan Control Jumper
Correct placement of this J2 jumper
optimizes energy use and comfort levels
for the connected system type.
INSTALLINGYOURTHERMOSTAT
O B
Heat Cool
(B) (O)
Set Heat Pump Jumper
The following instructions are necessary
to check the J3 jumper placement if you
have a heat pump system.
O Leave the jumper in the Cool (O)
factory-set position if you connected an
O wire to the O/B terminal.
B Move the jumper to the Heat (B)
position if you connected a B wire to the
O/B terminal.
Gas/Oil Heat
For gas or oil systems leave the jumper in the
Gas/Oil Heat factory-set position.
Electric Heat
For electric and heat pump systems move
the jumper to the Electric Heat position.
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