Honeywell RTH8500 Owner's Manual

16
Program schedule override (permanent)
Press HOLD to permanently adjust
the temperature. This will turn off the
program schedule.
Whatever temperature you set will be
maintained 24 hours a day until you
manually change it or press CANCEL
(or SCHED) to cancel “Hold” and
resume the program schedule.
Vacation hold
This feature can suspend the program
schedule for extended periods of time.
Press s or t to set the temperature you
want, then press s or t to set the time
of day you want the schedule to resume
when you return. Press HOLD twice, then
press s or t to select the number of
days.
Whatever temperature you set will
be maintained 24 hours a day for the
number of days you select. After this
number of days have elapsed, the
previously programmed schedule will
resume at the time you set.
If you return earlier than expected, press
CANCEL (or SCHED) to cancel “Hold” and
resume the program schedule.
Heat On
SCHED HOLD CLOCK SCREEN MORE
CANCEL
WED
AM
Inside
Set To
Permanent
Hold
73
8:00
70
FAN
AUTO
SYSTEM
HEAT
M28383
SCHED HOLD CLOCK SCREEN MORE
CANCEL
WED
PM
Inside
Hold Temperature
Until
Set To
55
6:00
70
FAN
AUTO
SYSTEM
HEAT
M28384
SCHED HOLD CLOCK SCREEN MORE
CANCEL
WED
Inside
DAYS
Hold Temperature
Until
Set To
55
14
70
FAN
AUTO
SYSTEM
HEAT
M28385

Honeywell RTH8500 Specifications

General

Hold Feature	Yes
Compatibility	Works with most heating and cooling systems
Temperature Range	40°F to 90°F
Weight	250 g
Programmable	7-day programmable
Dimensions	4.5 x 3.5 x 0.9 inches (114 x 89 x 23 mm)