Honeywell TH6110D Thermostat User Manual

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Installation  
Guide  
TH6110D  
Programmable Thermostat  
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Product Application  
This thermostat provides electronic control of 24 VAC single-stage heating and cool-  
ing systems, or 750 mV heating systems.  
System Types  
Power Options  
•
Gas, oil, or electric heat with air  
conditioning  
•
•
•
Battery power only  
Common wire only  
•
Warm air, hot water, high-efficiency  
furnaces, heat pumps, steam, gravi-  
ty  
Common wire with battery backup  
Changeover Options  
•
Heat only — two-wire systems,  
power to open and close zone  
valves (Series 20), and normally-  
open zone valves  
•
Selectable manual or  
auto-changeover modes  
System Settings  
•
•
Heat only with fan  
Cool only  
•
Heat, Off, Cool,Auto  
•
750 mV heating systems  
Fan Settings  
•
Auto, On  
Must be installed by a trained, experienced technician  
•
•
•
Read these instructions carefully. Failure to follow these instructions can dam-  
age the product or cause a hazardous condition.  
Check the ratings in this booklet to verify that this product is suitable for your  
application (see page 13).  
Always test for proper operation after installation (see page 9).  
CAUTION: ELECTRICAL HAZARD  
Can cause electrical shock or equipment damage. Disconnect power before  
beginning installation.  
MERCURY NOTICE  
If this product is replacing a control that contains mercury in a sealed tube, do not  
place the old control in the trash. Contact your local waste management authority for  
instructions regarding recycling and proper disposal.  
®
U.S. Registered Trademark. Patents pending.  
Copyright © 2005 Honeywell International Inc. All rights reserved.  
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FocusPRO TH6110D Programmable Thermostat  
Table of contents  
Installation  
Appendices  
Pre-installation checklist ................2  
Wallplate installation ......................3  
Wiring..............................................4  
Wiring diagrams ..............................5  
Power options ................................7  
Thermostat mounting ....................7  
Quick reference to controls..........11  
Quick reference to display............11  
Battery replacement......................11  
In case of difficulty ......................12  
Accessories/replacement parts ....13  
Specifications ................................13  
Setup and testing  
Installer setup..................................8  
Installer system test ........................9  
Explanation of features ................10  
Installation tips  
Install the thermostat about 5 feet (1.5m) above the floor in an area  
with good air circulation at average temperature.  
NO  
NO  
NO  
Do not install in locations where the thermostat can be affected by:  
•
•
•
•
•
Drafts or dead spots behind doors and in corners  
Hot or cold air from ducts  
Sunlight or radiant heat from appliances  
Concealed pipes or chimneys  
Unheated/uncooled areas such as an outside wall behind the thermostat  
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Installation Guide  
Pre-installation checklist  
Package contents  
Check to make sure your package includes the following items:  
Quick  
reference  
card  
™
FocusPRO TH6110D  
programmable thermostat  
wallplate attached to back)  
Operating manual  
(
Wall anchors and  
mounting screws  
AA alkaline  
batteries (2)  
(2 each)  
Required tools & supplies  
•
•
•
•
•
•
•
•
No. 2 Phillips screwdriver  
Small pocket screwdriver  
Drill  
Drill bit (3/16”for drywall, 7/32”for plaster)  
Hammer  
Pencil  
Electrical tape  
Level (optional)  
2
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FocusPRO TH6110D Programmable Thermostat  
Wallplate installation  
Insert finger into wire hole and pull to  
remove wallplate from thermostat.  
Remove the wallplate from the ther-  
mostat as shown at left, then follow  
directions below for mounting.  
1
Insert quick reference card in slot  
in back of thermostat.  
2
3
Pull wires through wire hole.  
Position wallplate on wall, level and  
mark hole positions with pencil.  
4
5
Drill holes at marked positions as  
shown below, then tap in supplied  
wall anchors.  
Insert quick reference card  
Place wallplate over anchors, insert  
and tighten mounting screws.  
Drill 3/16” holes for drywall.  
Drill 7/32” holes for plaster.  
Wire hole  
Mounting screws  
Wall anchors  
3
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Installation Guide  
Wiring  
CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage.  
Disconnect power before wiring.  
Wiring  
Keep wires in this  
shaded area  
1
2
3
Loosen screw terminals, insert  
wires into terminal block, then  
re-tighten screws.  
Push excess wire back into the  
wall opening. Keep wires in shaded  
area as shown at left.  
Terminal  
block  
Plug the wall opening with non-  
flammable insulation to prevent  
drafts from affecting thermostat  
operation.  
Terminal Designations  
G Fan relay.  
W O/B Heat relay or changeover valve  
terminal for heat pumps.  
NOTES  
C Common wire from secondary side  
of cooling system transformer.  
R & Rc terminals  
In single-transformer system, leave metal  
jumper in place between R & Rc. Remove  
metal jumper if two-transformer system.  
Y Compressor contactor.  
R Heating power. Connect to  
secondary side of heating  
system transformer.  
C terminal  
The C (common wire) terminal is optional  
when thermostat is powered by batteries.  
Rc Cooling power. Connect to  
secondary side of cooling  
system transformer.  
W (O/B) terminal  
If thermostat is configured for a heat pump  
in the Installer Setup, configure changeover  
valve for cool (“O” factory setting) or heat  
(“B”).  
Wire specifications  
Use 18- to 22-gauge thermostat wire.  
Shielded cable is not required.  
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FocusPRO TH6110D Programmable Thermostat  
Wiring diagrams  
Power supply. Provide disconnect means and overload protection as required.  
Factory-installed jumper. Remove for 2-transformer systems only.  
Optional 24VAC common connection.  
In Installer Setup, set system type to Heat Only.  
In Installer Setup, set system type to Heat Pump & changeover valve to 0 or B.  
Typical 1H/1C system: 1 transformer  
Typical 1H/1C system: 2 transformers  
Remove jumper  
Typical 1H/1C heat pump system  
Typical heat-only system  
5
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Installation Guide  
Wiring diagrams  
Power supply. Provide disconnect means and overload protection as required.  
Factory-installed jumper. Remove for 2-transformer systems only.  
Optional 24VAC common connection.  
In Installer Setup, set system type to Heat Only.  
In Installer Setup, set system type to Heat Pump & changeover valve to 0 or B.  
Typical heat-only system with fan  
Heat-only system (Series 20)  
Typical cool-only system  
Heat-only system (normally open zone valve)  
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™
FocusPRO TH6110D Programmable Thermostat  
Power options & mounting  
AC Power  
The thermostat can be powered by 24  
VAC power, or by batteries.  
Connect common  
side of transformer  
to “C” terminal  
Jumper  
To wire the thermostat for AC power,  
connect the common side of the  
cooling transformer to the“C”terminal  
as shown at left.  
Important: Remove R/Rc jumper for  
2-transformer systems only. (See wiring  
diagram on page 5.)  
Battery Power  
The thermostat can be powered by  
batteries alone or, if used with AC  
power, can provide backup power.  
During power interruptions the  
batteries will save time/day settings  
and power the display.  
After installation, batteries can be  
changed without removing the ther-  
mostat from the wall (see page 11).  
Install batteries in back of thermostat  
optional if AC powered).  
(
To Mount Thermostat  
Align the 4 tabs on the wallplate with  
corresponding slots on the back of the  
thermostat, then push gently until the  
thermostat snaps in place.  
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Installation Guide  
Installer setup  
Follow the procedure below to configure the thermostat to match the installed  
heating/cooling system, and customize feature operation as desired.  
Function  
number  
Setting  
0
1
Done  
Next  
To begin, press and hold the  
buttons until the display changes  
and FAN  
Press  
or  
to change settings  
Press NEXT to advance to next function  
Press DONE to exit and save settings  
Setup Function  
Settings & Options  
1
System type  
0
1
2
Gas, oil or electric heat with air conditioning  
Heat pump  
Heat only (2-wire systems/power to open & close zone valves/  
normally open zone valves)  
Heat only with fan  
Cool only  
3
4
2
3
5
Changeover valve  
0
Changeover valve (O/B terminal energized in cooling)  
(
O/B terminal)  
1
Changeover valve (O/B terminal energized in heating)  
Fan control  
heating)  
0
1
Gas or oil furnace — equipment controls fan in heating  
Electric furnace — thermostat controls fan in heating  
(
Heating cycle rate  
CPH: cycles/hour)  
5
1
3
9
For gas or oil furnaces of less than 90% efficiency  
For steam or gravity systems  
(
For hot water systems & furnaces of over 90% efficiency  
For electric furnaces  
[Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]  
9
2
Compressor  
3
Recommended for most compressors  
cycle rate (CPH)  
[Other cycle rate options: 1, 2, 4, 5 or 6 CPH]  
1
System setting  
adjustment  
0
1
2
Manual changeover (Heat/Cool/Off)  
Auto changeover (Heat/Cool/Auto/Off) **See page 10  
Auto changeover only (Auto) **See page 10  
13  
14  
15  
16  
Adaptive Intelli-  
1
On **See page 10  
™
gent Recovery  
0
Off  
Temperature  
display  
0
1
Fahrenheit  
Celsius  
Compressor  
protection  
5
Five-minute compressor off time **See page 10  
[Other options: 0, 1, 2, 3 or 4-minute off time]  
Schedule format  
0
1
5/2 (programmable weekdays and weekends)  
5/1/1 (weekdays, Saturday & Sunday programmable)  
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™
FocusPRO TH6110D Programmable Thermostat  
Installer system test  
Follow the procedure below to test the heating, cooling and fan.  
System test  
number  
System  
status  
0
1
0
Done  
Next  
To begin, press and hold the  
buttons until the display changes  
and  
Press  
Press  
to turn on system  
to turn off system  
Press NEXT to advance to next test  
Press DONE to terminate system test  
System Test  
System Status  
10 Heating system  
0
1
Heat and fan turn off.  
Heat turns on. Fan also turns on immediately if Function 1 or 3  
is set to “1” (see page 8).  
3
4
7
0 Cooling system  
0
1
Compressor and fan turn off.  
Compressor and fan turn on.  
0 Fan system  
0
1
Fan turns off.  
Fan turns on.  
0 Thermostat  
information  
71 Software revision number (major revisions)  
72 Software revision number (minor revisions)  
73 Configuration identification code (major)  
(for reference only)  
74 Configuration identification code (minor)  
75 Production configuration date code (week)  
76 Production configuration date code (year)  
CAUTION: EQUIPMENT DAMAGE HAZARD  
Compressor protection (minimum off time) is bypassed during testing. To prevent  
equipment damage, avoid cycling the compressor quickly.  
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Installation Guide  
Auto Changeover (Setup Function 12)  
Auto Changeover is a feature used in  
climates where both air conditioning and  
heating are used on the same day.When the  
system is set to Auto, the thermostat auto-  
matically selects heating or cooling depend-  
ing on the indoor temperature.  
Fan  
System  
Auto  
Set Clock/Day/ Auto  
Schedule  
Heat and cool settings must be at least 3  
degrees apart.The thermostat will automatical-  
ly adjust settings to maintain this 3-degree  
separation (called“deadband”).  
The 3-degree separation between heating  
and cooling set temperatures is fixed, and  
cannot be changed.  
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Adaptive Intelligent Recovery (Setup Function 13)  
Adaptive Intelligent Recovery eliminates guesswork when setting your schedule. It  
allows the thermostat to“learn”how long your furnace and air conditioner take to  
reach the temperature you want.  
Just set your program schedule to the time you want the house to reach your  
desired temperature.The thermostat then turns on the heating or cooling at just the  
right time to reach your scheduled temperature at your scheduled time.  
For example: Set the Wake time to 6 am, and the temperature to 70°.The heat will  
come on before 6 am, so the temperature is 70° by the time you wake at 6.  
Built-in compressor protection (Setup Function 15)  
Inside  
Cool  
Setting  
This feature helps prevent damage to the  
compressor in your air conditioning or heat  
pump system.  
°
°
5
7
AM  
:30  
7
5
6
Fan  
Schedule  
Damage can occur if the compressor is re-  
started too soon after shutdown.This feature  
forces the compressor to wait for a few  
minutes before restarting.  
Cool On  
System  
Set Clock/Day/ Auto  
Cool  
During the wait time, the message Cool On  
or Heat On (heat pumps only) will flash on  
the display.When the safe wait time has  
elapsed, the message stops flashing and the  
compressor turns on.  
Message flashes until safe  
restart time has elapsed  
10  
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™
FocusPRO TH6110D Programmable Thermostat  
Quick reference to controls  
Digital display screen  
Battery holder (see page 7)  
Temperature buttons  
Press to adjust temperature  
settings  
Hold button  
Press to override programmed  
temperature control  
Function buttons  
Press to select the function displayed just above each button.  
Functions change depending on the task.)  
(
Quick reference to display screen  
Current inside temperature  
Low battery warning  
Current time/day  
Temperature setting  
Inside  
Replace Battery  
Heat  
Setting  
°
Current program period  
Wake/Leave/Return/Sleep  
°
75  
Heat On  
System status  
AM  
:30  
On when “calling” for  
heating or cooling;  
flashes when waiting for  
compressor restart.  
7
5
6
Fan  
Schedule  
Wake  
Wed  
Set Clock/Day/Schedule  
Press to set time, day or  
program schedules.  
System  
Heat  
Set Clock/Day/ Auto  
System setting  
(Heat/Cool/Auto/Off)  
Fan setting  
Auto/On)  
Function buttons  
Press the button beneath each function to view or change  
settings. (Functions change depending on the task.)  
(
Battery replacement  
Press and pull to remove  
Insert fresh AA  
alkaline batteries,  
then reinstall  
battery holder  
11  
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Installation Guide  
In case of difficulty  
If you have difficulty with your thermostat, please try the suggestions below. 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.  
If thermostat is battery powered, make sure fresh AA alkaline batteries  
are correctly installed (see page 7).  
Temperature  
settings do not  
change  
Make sure heating and cooling temperatures are set to acceptable ranges:  
•
•
Heat: 40° to 90°F (4.5° to 32°C).  
Cool: 50° to 99°F (10° to 37°C).  
Heating system  
does not respond  
•
•
•
•
•
•
•
Check for 24 Vac at the equipment on the secondary side of the trans-  
former between power and common. If voltage is not present, check the  
heating equipment to find the cause of the problem.  
(“Heat On”  
appears on  
screen)  
Check for 24 Vac between the heat terminal (W) and the transformer  
common. If 24 Vac is present, the thermostat is functional. Check the  
heating equipment to find the cause of the problem.  
Check for loose or broken wires between the thermostat and the heating  
equipment.  
Cooling system  
does not respond  
Check for 24 Vac at the equipment on the secondary side of the trans-  
former between power and common. If voltage is not present, check the  
cooling equipment to find the cause of the problem  
(“Cool On”  
appears on  
screen)  
Check for 24 Vac between the cooling terminal (Y) and the transformer  
common. If 24 Vac is present, the thermostat is functional. Check the  
cooling system to find the cause of the problem.  
Check for loose or broken wires between the thermostat and the cooling  
equipment.  
Fan does not  
turn on in a call  
for heat  
Check Installer Setup, Function 3 (Fan Control), to make sure the fan  
control is properly set to match the type of system (see page 8).  
Heat pump  
•
Check Installer Setup, Function 2 (Changeover Valve), to make sure it is  
properly configured for your system (see page 8).  
issues cool air  
in heat mode,  
or warm air in  
cool mode  
Heat/cool both  
on at same time,  
or heat does  
not turn off  
•
•
Check Installer Setup, Function 1 (System Type), to make sure it is set to  
match the installed heating/cooling equipment (see page 8).  
Check to make sure heating and cooling wires are not shorted together.  
12  
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FocusPRO TH6110D Programmable Thermostat  
In case of difficulty  
Heating equip-  
ment is running  
in cool mode  
•
Check Installer Setup, Function 1 (System Type), to make sure it is set to  
match the installed heating/cooling equipment (see page 8).  
Cannot change  
system setting  
to “Heat”  
•
•
Check Installer Setup, Function 1 (System Type), to make sure it is set to  
match the installed heating equipment (see page 8).  
Change Installer Setup, Function 12 (System Setting) to Manual or Auto  
Changeover (see page 8).  
Cannot change  
system setting  
to “Cool”  
•
•
Check Installer Setup, Function 1 (System Type), to make sure it is set to  
match the installed cooling equipment (see page 8).  
Change Installer Setup, Function 12 (System Setting) to Manual or Auto  
Changeover (see page 8).  
“
Heat On” is  
•
•
•
Change the System Setting to Heat, and set the temperature level above  
the current room temperature.  
not displayed  
“Cool On” is not  
Change the System Setting to Cool, and set the temperature level below  
the current room temperature.  
displayed  
“
“
Cool On” or  
Heat On”  
Compressor protection timeout is engaged. Wait 5 minutes for the  
system to restart safely, without damage to the compressor.  
is flashing  
Accessories & replacement parts  
Please contact your distributor to order replacement parts.  
Battery holder ......................................................Part Number 50007072-001  
Cover plate assembly ........................................Part Number 50002883-001  
(Use to cover marks left by old thermostats.)  
Specifications  
Temperature Ranges  
Electrical Ratings  
•
•
Heat: 40° to 90°F (4.5° to 32°C)  
Cool: 50° to 99°F (10° to 37°C)  
Terminal  
Voltage (50/60Hz) Running Current  
Operating Ambient Temperature  
32° to 120°F (0° to 48.9°C)  
W (O/B) Heating 20-30 Vac  
0.02-1.0 A  
100 mA DC  
0.02-1.0 A  
0.02-0.5 A  
•
(Powerpile)  
750 mV DC  
20-30 Vac  
20-30 Vac  
Shipping Temperature  
-20° to 120°F (-28.9° to 48.9°C)  
Y Cooling  
G Fan  
•
Operating Relative Humidity  
5% to 90% (non-condensing)  
•
Physical Dimensions  
•
•
3-9/16” H x 5-13/16” W x 1-1/2” D  
91 mm H x 147 mm W x 38 mm D  
13  
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Automation and Control Solutions  
Honeywell International Inc.  
Honeywell Limited-Honeywell Limitée  
35 Dynamic Drive  
1985 Douglas Drive North  
Golden Valley, MN 55422  
Scarborough, Ontario M1V 4Z9  
®
U.S. Registered Trademark. Patents pending.  
Copyright © 2005 Honeywell International Inc. All rights reserved.  
Printed in U.S. Document number 69-1714. Date 01-2005.  
www.honeywell.com/yourhome  

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