Honeywell RTHL3550 Quick Installation Manual page 16

Advanced Installation Guide
Function 2: Heat pump changeover valve About your new thermostat
Press the or
s
over valve is used in heating or cooling:
NOTE: If Function 2 does not appear, please turn to the
next page to continue.
0 Cooling changeover valve: Use this setting if you
connected a wire labeled "O" to the O/B wire terminal
(see page 23).
1 Heating changeover valve: Use this setting if you
connected a wire labeled "B" to the O/B wire terminal
(see page 23).
Press to change setting.
When correct setting is
selected, press NEXT to
display next function.
MCR32602
69-2697ES—03
button to select whether your change-
t
Done Next
MCR32605
14