6
.
8.
Operating Modes
Troubleshooting
u
Problems
s
Automatic - The temperature is set according to the energy-saving
schedule. To place the thermostat in this mode, press Mode until is dis-
Solutions
played. The icons of the current period and preset temperature are also dis-
played.
The thermostat’s screen is blank.
The thermostat’s switch is set to Off.
The measured temperature is below the
display range. Heating is activated.
LO is displayed.
Temporary Bypass: If you modify the setpoint (by pressing the
,
,
The measured temperature is above the
display range.
or button) when the thermostat is in automatic mode, the new set-
point will be used until the end of the current period. When the next
period starts, the temperature set for that period becomes the new set-
point.
HI is displayed.
The thermostat was without power for
more than 2 hours.
The wrong time is displayed.
The thermostat is located in a spot
exposed to an air draft.
The measured temperature is wrong.
The heater is always On.
Manual - The energy-saving schedule is not used. The temperature must
be set manually. To place the thermostat in this mode:
Check the thermostat wiring.
n
o
Press Mode until is displayed.
The thermostat indicates that heating is On
but the heater is not On.
Check the thermostat wiring.
Set the temperature using the
,
,
or button.
Check that the thermostat is in Automatic
mode. Check also the schedule and clock
settings.
Vacation - The thermostat is set to the Vacation temperature. Press both
and buttons simultaneously to place the thermostat in Vacation mode.
The temperature does not change accord-
ing to the energy-saving schedule
7
.
9
.
Energy-saving Schedule
t
Technical Specifications
v
The schedule consists of 4 periods per day which represents a typical week
day. You can program the thermostat to skip the periods that do not apply to
your situation. For example, you can skip periods 2 and 3 for the weekend.
Power: 208/240 Vac, 60 Hz
Maximum load: 16 A maximum (resistive only)
3
3
328 watts @ 208 Vac
840 watts @ 240 Vac
Display range: 32 °F to 140 °F (0 °C to 60 °C)
Display resolution: 0.1 °F (0.1 °C)
Setpoint range: 40 °F to 86 °F (5 °C to 30 °C)
Setpoint interval: 1 °F (1 °C)
Period
Description
Wake-up
Associated preset temperature
Storage: -4 °F to 120 °F (-20 °C to 50 °C)
Data backup: In the event of a power outage, most settings are saved. Only the
time must be re-adjusted if the power outage lasts more than 2 hours. The thermo-
stat will return to the mode that was active prior to the power outage.
Away from home
Return home
Sleep
1
0.
Warranty
;
Honeywell warrants this product, excluding battery, to be free from defects in the work-
manship or materials, under normal use and service, for a period of one (1) year from the
date of purchase by the consumer. If at any time during the warranty period the product is
determined to be defective or malfunctions, Honeywell shall repair or replace it (at Hon-
eywell's option).
The Comfort ( ) temperature is used in periods 1 and 3 and the Economy
) temperature is used in periods 2 and 4. For example, when the period
changes from 1 to 2, the setpoint automatically changes from Comfort setting
) to Economy setting ( ).
(
(
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
You can have a different program for each day of the week; i.e., each period
can start at different time for each day of the week. The thermostat has been
programmed with the following schedule.
(ii) call Honeywell Customer Care at 1-800-468-1502. Customer Care will make the
determination whether the product should be returned to the following address:
Honeywell Return Goods, Dock 4 MN10-3860, 1885 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 Honeywell that the defect or malfunction was caused by damage
which occurred while the product was in the possession of a consumer.
Honeywell's sole responsibility shall be to repair or replace the product within the terms
stated above. HONEYWELL 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 HONEYWELL MAKES ON
THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR-
POSE, IS HEREBY LIMITED TO THE ONE-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.
Period
Setting
MO
TU
WE
TH
FR
SA
SU
6
:00
6:00
AM
6:00
AM
6:00
AM
6:00
AM
6:00
AM
6:00
AM
AM
8
:00
8:00
AM
8:00
AM
8:00
AM
8:00
AM
-
-:--
-:--
--:--
--:--
AM
6
:00
6:00
PM
6:00
PM
6:00
PM
6:00
PM
-
PM
1
0:00 10:00 10:00 10:00 10:00 10:00 10:00
PM PM PM PM PM PM PM
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 Honeywell Customer
Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or call 1-800-468-1502. In Can-
ada, write Retail Products ON15-02H, Honeywell Limited/Honeywell Limitée, 35 Dynamic
Drive, Scarborough, Ontario M1V4Z9.
To modify the schedule:
n
o
Press Pgm to access the programming mode. Period 1 is selected.
Press Day to select the day to program (hold for 3 seconds to select the
entire week).
11.
p
q
r
Press Hour and Min to set the start time of the selected period, or press
Clear if you want to skip the period (--:-- is displayed).
Customer Assistance
ꢀ
If you have any questions about the operation of your thermostat, please go to
at 1-800-468-1502.
Press Pgm to select another period, or press Day to select another day.
Then repeat step 3.
Press Mode to exit the programming mode.
NOTE: If no button is pressed for 60 seconds, the thermostat will automati-
R
cally exit the programming mode.
0
8161 / TH110-DP-P / TL8230
69-2023-01
2010-02-05
2/2
Programmable Thermostat - Installation and User Guide