Non-Programmable
Digital Thermostat
PRO
3000Series
User Guide
Read and save these instructions.
For help please visit honeywellhome.com/support
Thermostat controls
Temperature adjustment
Press the up or down buttons until you reach
the desired temperature.
NOTE: Make sure the SYSTEM switch is set to
the system you want to control (Heat or Cool).
System switch is used to control your heating
or cooling system.
Fan Switch is used to control your fan.
• Cool: Cooling system control.
•
Off: All systems off.
In “Auto” mode, the fan runs only when
the heating or cooling system is on.
• Heat: Heating system control.
•
Em Heat: Emergency & Auxiliary Heat
If set to “On,” the fan runs continuously.
control. Compressor is locked out.
(
Select models only.)
Display screen
Current inside
temperature
Temperature setting (or
Desired Temperature when
changing temperature)
System Status
Cool On: Cooling system is on.
Heat On: Heating system is on.
Em: Emergency heat is on. **
Aux: Auxiliary heat is on. **
Low battery
warning
Inside
Set To
7
5
7
5
*
* Only for heat pumps with
this capability (select
models only).
Replace Batt
Em Aux
Heat On
If “Heat On” or “Cool On”
is flashing, compressor
protection is engaged.
Built-in compressor protection
This feature helps prevent damage to
the compressor in your air conditioning
or heat pump system.
Inside
Set To
7
5
Damage can occur if the compressor is
75
restarted too soon after shutdown. This
feature forces the compressor to wait 5
minutes before restarting.
Cool On
During the wait time, the display will
flash the message Cool On (or Heat
On if you have a heat pump). When
the safe wait time has elapsed, the
message stops flashing and the
compressor turns on.
Message flashes until safe
restart time has elapsed.
2
Battery replacement
Install fresh batteries when the REPLACE
BATT warning begins flashing, once a
year, or before leaving home for more
than a month. The warning flashes
about two months before the batteries
are depleted.
Pull at
bottom to
remove
thermostat
from
wallplate.
Batteries provide backup power to the
display during power interruptions if
your thermostat was wired to run on AC
power when installed. All settings are
permanently stored in memory, and do
not require battery power.
Turn thermostat over,
insert fresh AA alkaline
batteries, then reinstall
thermostat.
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is
blank
• Check circuit breaker and reset if necessary.
•
Make sure power switch at heating & cooling system is
on.
•
•
Make sure furnace door is closed securely.
Make sure fresh AA alkaline batteries are correctly
installed (see page 4).
Heating or
cooling system
does not
• Set system switch to Heat (see page 3). Make sure the
temperature is set higher than the Inside temperature.
•
Set system switch to Cool (see page 3). Make sure the
temperature is set lower than the Inside temperature.
respond
•
Wait 5 minutes for the system to respond.
3
Troubleshooting
Temperature
Make sure heating and cooling temperatures are set to
settings do not acceptable ranges:
change
•
•
Heat: 40° to 90°F (4.5° to 32°C).
Cool: 50° to 99°F (10° to 37°C).
“
Cool On” or
Heat On” is
• Compressor protection feature is engaged. Wait 5 minutes
for the system to restart safely, without damage to the
compressor (see page 4).
“
flashing
“
Heat On” is
• Set the System switch to Heat, and set the temperature
level above the current room temperature (see page 3).
not displayed
“
Cool On” is
• Set the System switch to Cool, and set the temperature
level below the current room temperature (see page 3).
not displayed
Need Help?
For assistance with this product, please
visit honeywellhome.com/support.
Pull at bottom
to remove
thermostat
from
Or call Customer Care toll-free at
1
-800-468-1502.
wallplate.
Turn thermostat
over to find model
number and date
code.
CAUTION
Equipment damage hazard
To prevent possible compressor damage, do not operate cooling
system when outdoor temperature is below 50°F (10°C).
4
5-year limited warranty
Resideo warrants this product, excluding battery, to be free from defects in workmanship
or materials, under normal use and service, for a period of five (5) years from the date
of first purchase by the original purchaser. If at any time during the warranty period the
product is determined to be defective due to workmanship or materials, Resideo shall
repair or replace it (at Resideo’s option).
If the product is defective,
(
i) return it, with a bill of sale or other dated proof of purchase, to the place from which
you purchased it; or
(
ii) call Resideo Customer Care at 1-800-468-1502. Customer Care will make the
determination whether the product should be returned to the following address: Resideo
Return Goods, 1985 Douglas Dr. N., Golden Valley, MN 55422, or whether a replacement
product can be sent to you.
This warranty does not cover removal or reinstallation costs. This warranty shall not
apply if it is shown by Resideo that the defect was caused by damage which occurred
while the product was in the possession of a consumer.
Resideo’s sole responsibility shall be to repair or replace the product within the terms
stated above. RESIDEO SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND,
INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR
INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR IMPLIED, OR ANY
OTHER FAILURE OF THIS PRODUCT.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so this limitation may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY RESIDEO MAKES ON THIS
PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS HEREBY LIMITED
TO THE FIVE YEAR DURATION OF THIS WARRANTY. Some states do not allow limitations
on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may have other rights which vary
from state to state. If you have any questions concerning this warranty, please write
Resideo Customer Care, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-
1
502.
5
Resideo Technologies, Inc.
1
1
985 Douglas Drive North, Golden Valley, MN 55422
-800-468-1502
www.resideo.com
69-1776EFS—05 M.S. 05-21 | Printed in United States
©
2021 Resideo Technologies, Inc. All rights reserved.
This product is manufactured by Resideo Technologies,
Inc. and its affiliates.
Tous droits réservés. Ce produit est fabriqué par Resideo
Technologies, Inc. et ses sociétés affiliées.
Todos los derechos reservados. Este producto es
fabricado por Resideo Technologies, Inc. y sus afiliados.
69-1776EFS-05