Honeywell RTH8500D User Manual

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Get to Know Your Thermostat Display
Thermostat
SC
HE
D
H
O
L
D
C
L
OCK
SC
REE
N
M
O
R
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TUE
AM
FAN
A
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O
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Y
S
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HEAT
F
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Inside
Se
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M22238
FAN
SELECTS
ON/AUTO
SYSTEM
SELECTS EM.
HEAT/HEAT/OFF/COOL
UP ARROW
RAISES
TEMPERATURE
S
ETTIN
G
U
n
DOWN ARROW
LOWERS TEMPERATURE
SETTING
SCHED
ENTERS
SCHEDULING
MODE
MORE
SHOWS FURNACE
FILTER CHANGE
REMINDER
SCREEN
LOCKS OUT THE
SCREEN TO ALLOW
FOR CLEANING
CLOCK
SETS THE
TIME
FORWARD
OR BACK
HOLD
SETS A PERMANENT
HOLD AND ACTIVITIES
VACATION HOLD

Honeywell RTH8500D Specifications

General

Programmability	7-day programmable
Wi-Fi	No
Operating Modes	Heat, Cool, Auto, Off
Filter Change Alert	Yes
Backup Battery	Yes
Display	Touchscreen
Power Source	Battery or Hardwired
Compatibility	Gas, oil, electric, and heat pump systems
Stages	Up to 2 Heat/2 Cool
Fan Modes	Auto, On, Circulate
Temperature Range	40°F to 99°F (4°C to 37°C)
Hold Feature	Yes