3
0
Next
Done
2
0
Next
Done
RTH6300B Programmable Thermostat
19
Installation Guide
18
Function 2: Heat pump changeover valve
Press the
or
button to select whether
your changeover valve is used in heating or
cooling:
Press to change setting.
When correct setting is
selected, press
N
NE
EX
XT
T
to
display next function.
0
Cooling changeover valve:
Use this setting if
you connected a wire labeled “O” to the O/B W
wire terminal (see page 13).
1
Heating changeover valve:
Use this setting if
you connected a wire labeled “B” to the O/B W
wire terminal (see page 13).
Function 3: Heating fan control
Press the
or
button to select your heat-
ing system and fan operation:
Press to change setting.
When correct setting is
selected, press
N
NE
EX
XT
T
to
display next function.
0
Gas or oil heat:
Use this setting if you have a
gas or oil heating system (system controls fan
operation).
1
Electric heat:
Use this setting if you have an
electric heating system (thermostat controls fan
operation).
Note: If Function 2 does not appear, please
turn to the next page to continue.
Note: If Function 3 does not appear, please
turn to the next page to continue.