GE Zoneline AZ9VH Owner's Manual And Installation Instructions page 24

Setting the auxiliary control
Mode 5 Temperature Limiting
costs by limiting the lowest temperature that can be
obtained in cooling and the highest temperature that
MODE until a 5 first appears in the first digit of
the display for Temperature Limiting
change to heat mode, press MODE again.
selection and exit AUX mode, or press MODE to
continue setting other functions.
Mode 6 Wall Thermostat
Setting this mode to ON will allow the unit to operate
MODE
display for Class 2 mode.
+
your selection and exit AUX mode, or press MODE to
continue setting other functions.
AUX to lock in your
AUX to lock in
Standard
Remote
Control Wall
49-5000640 Rev. 0