Robertshaw RS5220C User Manual page 9

DEDB = Deadband for auto changeover = the number of degrees that the
room temperature can move away from the active setpoint until
heating or cooling is called for. The larger the deadband the
more the room temperature will vary. This can be from heat to
cool or cool to heat.
HI = High Heat Limit = This is the highest allowed heating setpoint. The
user will not be allowed to set a schedule setpoint or override
temperature higher than this value.
NOTE: High Heat Limit is not enforced in auto changover mode.
LO = Low Cool Limit = This is the lowest allowed cooling setpoint. The
user will not be allowed to set a schedule setpoint or override
temperature lower than this value.
NOTE: Low Cool Limit is not enforced in auto changover mode.
VAC HEAT = Vacation Heat Setpoint = This is the temperature setpoint
for the heating system when a vacation override has been
made active.
VAC COOL = Vacation Cool Setpoint = This is the temperature setpoint
for the cooling system when a vacation override has been
made active.
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