Honeywell RTHL3550 Thermostat User Manual


 
Advanced Installation Guide
69-2584ES—01 14
About your new thermostat
SETUPWIRINGASSISTANCETROUBLESHOOTING
MCR32605
Done Next
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.
0 Cooling changeover valve: Use this setting if
you connected a wire labeled “O” to the O/B wire
terminal (see page 25).
1 Heating changeover valve: Use this setting if
you connected a wire labeled “B” to the O/B wire
terminal (see page 25).
Press to change setting.
When correct setting is
selected, press NEXT to
display next function.
MCR32602