Honeywell PRO TH4110B User manual

Quick Reference Card A
!
Grasp and pull to see basic
operating instructions at a glance.
_CAUTION: EQUIPMENT DAMAGE HAZARD. To prevent possible compressor damage,
do not operate cooling system when outdoor temperature is below 50°F (1O°C).
Read and save these instructions
® U.S.Registered Trademark. Patents pending.
Copyright @ 2005HoneywellInternationalinc. All rights reserved.

PRO TH4110B Programmable Thermostat
About your new thermostat
Thermostat features .................. .2
Programming at a glance .............. .3
Quick reference to controls ........... .4
Quick reference m display .............. 5
Programming & Operation
Set time and day. .......................... .6
System switch (Heat/Cool) ........... .7
Fan switch (Auto/On) ..................... .8
Using program schedules ............... .9
Program schedule overrides ........12
Compressor protection ................ 14
Appendices
Batte W replacement ...................... 15
In case of difficulty ...................... 16
Customer assistance ...................... 18
Accessories .................................... 18
Limited warrant3_ .......................... 19
_HAZARDCAUTION: EQUIPMENT DAMAGEToprevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50°F (10°C).

Operating Manual
Congratulations on the purchase of your new Honeywell thermostat, llt has been
designed to give you many years of reliable service and easy-to-use, push-button
climate control.
Festu res
• Separately programmable weekday/weekend schedules.
• One-touch temp control overrides program schedule at any time.
• EnergyStar _ compliant to greatly reduce your heating/cooling expenses.
• Large, clear display is easy to read.
•Displays both roonl temperature and temperature setting.
• Built-in compressor protection.

PRO TH41 lOB Programmable Thermostat
Your new thermostat is pre-programmed and read?, to go.All you have to do is set
the time and day.Then check tile settings bek)w and change if needed:
1 Set time and day (required for proper operation) ................................ See page 6
2 Select system setting (Heat/Cool): Preset to Heat .............. To change, see page 7
3 Select fan setting (Auto/On): Preset to Auto ...................... To change, see page 8
4 Program schedules: Preset to energy-saving levels
while you're at work or asleep (assumes you
wake at 6 am, leave at 8 am, return at 6 pm
and go to bed at 10 pro) .............................................. To change, see pages 9-11
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time,
and manually adjust the temperature (see pages 12-13).

Operating Manual
Digital display (see page 5) Temperature adjustment (see pages 11-13)
, Set: Press to set time/day/
_ schedule
*Held" Press to override
_- programmed temperature control
-- * Run: Press to resume program
schedule
Fan switch (see page 8)
On: Fan runs continuously.
Auto: Fan runs only when heating
or cooling system is on.
System switch (see page 7)
Cool: Thermostat controls only
the cooling system.
*Heat." Thermostat controls only
the heating system.
*Off: Heating and cooling
systems are off.

PRO TH41 lOB Programmable Thermostat
m
Low battery warning Current day/time (see page 6)
(see page 15)
Current inside /Temperature setting
temperature /(see pages 11-13)
Current program period
Wake/Leave/Return/Sleep \
(see pages 10-11 )
Heat On/Cool On
(If flashing, see page 14)

Operating Manual
J
Press SET,then adjust time 1 Press the SETbutton, then press
or T to set the clock time.
2 Press the SETbutton, then press
A or Y to select the day of the
week.
3 Press RtlR to save & exit.
Press SET,then select current day Note: If the display flashes Set Clock,
the thermostat will follow your settings
for the weekday "Wake" time period until
you reset the time and day.

PRO TH41 lOB Programmable Thermostat
! ri
The SYSTEMswitch can be set to con-
trol your heating or cooling system,
depending on the season.
• Heat:Thermostat controls only
the heating system.
• Cool: Thermostat controls only
the cooling system.
• Off: Heating and cooling
systems are off.
/
Set SYSTEMswitch to control the heating or
cooling system.
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate
cooling system when outdoor
temperature is below 50°F (10°C).

Operating Manual
E
Set the FARswitch to Auto or On.
Set FANswitch to choose whether the fan
runs continuously or only as needed.
In '%uto" mode (the most commonly
used setting), the fan runs only
when the heating or cooling system
is on.
If set to "On," the fan runs
continuously: Use this setting for
improved air circulation, or [br
more efficient air cleaning.

PRO TH41 lOB Programmable Thermostat
!
It's easy to program your system [br maMmum energy savfl_gs.You can program four
time periods each day,with different settings lbr weekdays and weekends.
EWAKE
6:06 am
=_a,=)o
ILl
LEAVE
8:00 am
0----Io
0£
RETURN
6:00 pm
"7#-lo
ILl
SLEEP
1O:00 pm
_-- --io
OG
Set to the time you awaken and the temperature you want
during the morning, until you leave lk)r the day.
Set to the time you leave home and the temperature you
want while you are away (usually an energy-saving level).
Set to the time you return home and the temperature you
want during the evening, until bedtime.
Set to the time you go to bed and the temperature you want
overnight (usually an energy-saving leveb.

Operating Manual
• I
This thermostat is pre-set to use EnergyStar *program settings.We recolnmend
these settings, since the}, can reduce your heating/cooling expenses by as much
as 33');,.(See next page to adjust times and temperatures of each time period.)
WaRe
(6:00 am)
Leave
(8:00 am)
Return
{6:00pm)
SBeep
(10:00pm)
Heat (Men-Fr0
-_l-ao
ILl
im -'_o
oc
-_l-ao
ILl
oc
Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun)
-_l-O -_l-a o =71-o
i-_ ill i Zo
j-I-i o
OD
-Tt-o
_l--I ° I= _o _l--lo
IO OtZ IO
10

PRO TH41 lOB Programmable Thermostat
Press SET3 times, then adjust time
Press SET,then set desired temperature
1 Press SETuntil Set Schedule is dispktyed.
2 Press A or Yto set your weekdavWake
thee (Mon-Fri), then press SET.
3 Press A or Y to set the temperature for
this time period, then press SET.
4 Set time and temperature for the next
time period (Leave). Repeat steps 2 and 3
tbr each weekday time period.
5 Press SETto set weekend time periods
(Sat-Sun), then press RUNto save & exit.
Note: Make sure the thermostat is set to the
system you want to program (Heat or Cool).
Note: To cancel an unwanted time period (except
Wake), press and hold A + HOLDfor 4 seconds
while in the Set Schedule mode,
11

OperatingManual
Pressto temporarily adjust temperature Press A or Y to immediately adjust the
temperature.This will temporarily override
the temperature setting for the current time
period.
The new temperature will be maintained
only until tile next programmed time period
Press to resume program schedule begins (see page 10). For example, if you
want to mrn up the heat early in the morn-
ing, it will automatically be lowered later,
when you leave R)r the day.
To cancel the temporary setting at an}, time,
press RUN.
Note: Make sure the thermostat is set
to the system you want to control
(heat or cool). 12

PROTH41lOBProgrammableThermostat
Presstopermanentlyadjusttemperature Press HSL[:Ito permanently adjust the
temperature.This will override the
temperature settings lbr all time periods.
The "Hold" feature turns off the program
schedule and allows you to adjust the
thermostat manually, as needed.
Press to resume program schedule Whatever temperature you set will be
maintained 24 hours a day, until you
manually change it, or press RtlRto cancel
"Hold" and resume the progranl schedule.
Note: Make sure the thermostat is set
to the system you want to control
(heat or cool). 13

OperatingManual
This feature helps prevent damage to the
compressor in the air conditioning or heat
pump system.
Damage can occur if the compressor is re-
started too soon after shutdown.This feature
R)rces the compressor to wait R:)ra few
minutes befbre restarting.
During the wait time, the message Cool On
Message flashes untilsafe (or Heat On if you have a heat pump) will
restart time has elapsed flash on the display:When the safe wait time
has elapsed, the message stops flashing and
the compressor turns on.
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PRO TH41 lOB Programmable Thermostat
Grasp and pullto Install [resh batteries immediately
removethermostat, when the REPLACEBATTwarning begins
"" flashing.The warning flashes about
two months before the batteries are
depleted.
Even it"the warllJng does not appear,
you should replace batteries once a
},ear,or beR)re leavh_g home R:)rmore
than a month.
Turn thermostat over,
insert fresh AA alkaline
batteries, then reinstall
thermostat
Ifbatteries are fl_serted withfl_ 1
mflmte, the tfl_-ieand day will not have
to be re_t. Allother setth_gs are
permanently stored h_memory, and
do not require batte W power.
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Operating Manual
]if you have difficult3/with your thermostat, please try tile suggestions below. Most
problems can lye corrected quickly and easily:
Display is blank * Make sure fresh AA alkaline batteries are correctly installed (see page 15).
Heating or
cooling system
does net respond ,
®
e
®
®
Set system switch to Heat (see page 7). Make sure the temperature is
set higher than the inside temperature.
Set system switch to Cool (see page 7). Make sure the temperature is
set lower than the Inside temperature.
Check circuit breaker and reset if necessary.
Make sure power switch at heating & cooling system is on.
Make sure furnace door is closed securely.
Wait 5 minutes for the system to respond.
16

PROTH41lOBProgrammableThermostat
Temperature Make sure heating and cooling temperatures are set to acceptable ranges:
settings de net • Heat: 40° to 90°F (4,5 ° to 32°C).
change * Cooh 50° to 99°F (10 ° to 37°0).
_CooI On" Or
"Heat On" is
flashing
"Heat On" is
net displayed
o Compressor protection feature is engaged. Wait 5 minutes for the system
to restart safely, without damage to the compressor (see page 14).
o Set the System switch to Heat, and set the temperature level above the
current room temperature (see page 7).
"Cool On" is * Set the System switch to Cool, and set the temperature level below the
not displayed current room temperature (see page 7).
TO restore
Energy Star '_
default settings
Follow these steps to restore Energy Star default settings (see page 10):
1 Press SET 3 times to display "Set Schedule."
2 Press and hold SET and RUNat the same time for 4 seconds.
3 Press RUN.
17

OperatingManual
Grasp and pullto For assistance, please visit
remove thermostat www.honeywell.com/yourhome.
Or call Honeywell Customer Care
tolMYee at 1-800-468-1502.
Turn thermostat over
to find model number
and date code To save time, please note your model
number and date code beR)re calling.
Accessories
For accessories, please call Honeywell
Customer Care toll-free at
1-800468-1502.
Cover plate ................Part No. 50002883-001
(Usedto cover marks left by oldthermostats.}
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