Honeywell RTH6400 Series, Quick Installation Manual

Page: 17 / 60

RTH6400
15 69-2210EF—03
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
Function 2:
Heat pump changeover valve
Press the
s
or
t
button to select whether your
changeover valve is used in heating or cooling:
NOTE: If Function 2 does not appear, please turn to the
next page to continue.
Done Next
2
0
M28352
Press to change setting.
When correct setting is
selected, press NEXT to
display next function.
M28351
0 Cooling changeover valve: Use this setting if you
connected a wire labeled “O” to the O/B W wire
terminal (see page 21).
1 Heating changeover valve: Use this setting if you
connected a wire labeled “B” to the O/B W wire
terminal (see page 21).