Page 1
Installation
Guide
TH6110D
Programmable Thermostat
Page 2
Product Application
This thermostat provides electronic control of 24 VAC single-stage heating and cooling systems, or 750 mV heating systems.
System Types
• Gas, oil, or electric heat with air
conditioning
• Warm air, hot water, high-efficiency
furnaces, heat pumps, steam, gravity
• Heat only — two-wire systems,
power to open and close zone
valves (Series 20), and normallyopen zone valves
• Heat only with fan
• Cool only
• 750 mV heating systems
Power Options
• Battery power only
• Common wire only
• Common wire with battery backup
Changeover Options
• Selectable manual or
auto-changeover modes
System Settings
• Heat, Off, Cool,Auto
Fan Settings
• Auto, On
Must be installed by a trained, experienced technician
• Read these instructions carefully. Failure to follow these instructions can damage 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.
Page 3
FocusPRO™TH6110D Programmable Thermostat
Table of contents
IInnssttaallllaattiioonn
Pre-installation checklist ................2
Wallplate installation ......................3
Wiring..............................................4
Wiring diagrams ..............................5
Power options ................................7
Thermostat mounting ....................7
S
Seettuupp aanndd tteessttiinngg
Installer setup..................................8
Installer system test ........................9
Explanation of features ................10
Installation tips
Appppeennddiicceess
A
Quick reference to controls..........11
Quick reference to display ............11
Battery replacement......................11
In case of difficulty ......................12
Accessories/replacement parts ....13
Specifications ................................13
NO
Install the thermostat about 5 feet (1.5m) above the floor in an area
with good air circulation at average temperature.
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
NO
1
Page 4
Installation Guide
Pre-installation checklist
Package contents
Check to make sure your package includes the following items:
Quick
FocusPRO™TH6110D
programmable thermostat
(wallplate attached to back)
reference
card
Operating manual
Wall anchors and
mounting screws
(2 each)
AA alkaline
batteries (2)
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
Page 5
FocusPRO™TH6110D Programmable Thermostat
Wallplate installation
Insert finger into wire hole and pull to
remove wallplate from thermostat.
Insert quick reference card
Remove the wallplate from the thermostat as shown at left, then follow
directions below for mounting.
1 Insert quick reference card in slot
in back of thermostat.
2 Pull wires through wire hole.
3 Position wallplate on wall, level and
mark hole positions with pencil.
4 Drill holes at marked positions as
shown below, then tap in supplied
wall anchors.
5 Place wallplate over anchors, insert
and tighten mounting screws.
Drill 3/16” holes for drywall.
Drill 7/32” holes for plaster.
Wall anchors
Mounting screwsWire hole
3
Page 6
Installation Guide
Wiring
CAUTION: ELECTRICAL HAZARD. Can cause electrical shock or equipment damage.
Disconnect power before wiring.
Keep wires in this
shaded area
Terminal
block
Wiring
1 Loosen screw terminals, insert
wires into terminal block, then
re-tighten screws.
2 Push excess wire back into the
wall opening. Keep wires in shaded
area as shown at left.
3 Plug the wall opening with non-
flammable insulation to prevent
drafts from affecting thermostat
operation.
Terminal Designations
G
G
Fan relay.
NOTES
R & Rc terminals
In single-transformer system, leave metal
jumper in place between R & Rc. Remove
metal jumper if two-transformer system.
C terminal
The C (common wire) terminal is optional
when thermostat is powered by batteries.
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.
W
W OO//BB
Heat relay or changeover valve
terminal for heat pumps.
C
C
Common wire from secondary side
of cooling system transformer.
Y
Y
Compressor contactor.
R
R
Heating power. Connect to
secondary side of heating
system transformer.
Rcc
R
Cooling power. Connect to
secondary side of cooling
system transformer.
4
Page 7
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
Typical 1H/1C system: 1 transformer Typical 1H/1C system: 2 transformers
.
& changeover valve to 0 or B.
Remove jumper
Typical 1H/1C heat pump system Typical heat-only system
5
Page 8
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
Typical heat-only system with fan Heat-only system (Series 20)
.
& changeover valve to 0 or B.
Typical cool-only system Heat-only system (normally open zone valve)
6
Page 9
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.
I
Immppoorrttaanntt::
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.
Install batteries in back of thermostat
(optional if AC powered).
After installation, batteries can be
changed without removing the thermostat from the wall (see page 11).
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.
7
Page 10
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.
To begin, press and hold the and
buttons until the display changes
FFAANN
Setup Function Settings & Options
1
System type
0 Gas, oil or electric heat with air conditioning
1 Heat pump
2 Heat only (2-wire systems/power to open & close zone valves/
normally open zone valves)
3 Heat only with fan
4 Cool only
Function
number
1
Press or to change settings
Press
Press
NNEEXXTT
to advance to next function
DOONNEE
D
to exit and save settings
Setting
0
NextDone
2
Changeover valve
(O/B terminal)
3
Fan control
(heating)
5
Heating cycle rate
(CPH: cycles/hour)
9
Compressor
cycle rate (CPH)
12
System setting
adjustment
13
Adaptive Intelligent Recovery
14
Temperature
display
15
Compressor
protection
0 Changeover valve (O/B terminal energized in cooling)
1 Changeover valve (O/B terminal energized in heating)
0 Gas or oil furnace — equipment controls fan in heating
1 Electric furnace — thermostat controls fan in heating
5 For gas or oil furnaces of less than 90% efficiency
1 For steam or gravity systems
3 For hot water systems & furnaces of over 90% efficiency
9 For electric furnaces
[Other cycle rate options: 2, 4, 6, 7, 8, 10, 11 or 12 CPH]
3 Recommended for most compressors
[Other cycle rate options: 1, 2, 4, 5 or 6 CPH]
0 Manual changeover (Heat/Cool/Off)
1 Auto changeover (Heat/Cool/Auto/Off)
2 Auto changeover only (Auto) **See page 10
™
1On**See page 10
0Off
0 Fahrenheit
1 Celsius
5 Five-minute compressor off time **See page 10
[Other options: 0, 1, 2, 3 or 4-minute off time]
**See page 10
16
Schedule format
0 5/2 (programmable weekdays and weekends)
1 5/1/1 (weekdays, Saturday & Sunday programmable)
8
Page 11
FocusPRO™TH6110D Programmable Thermostat
Installer system test
Follow the procedure below to test the heating, cooling and fan.
To begin, press and hold the and
buttons until the display changes
System Test System Status
10
Heating system
0 Heat and fan turn off.
1 Heat turns on. Fan also turns on immediately if Function 1 or 3
is set to “1” (see page 8).
System test
number
System
status
10
Press to turn on system
Press to turn off system
NEEXXTT
Press
Press
N
to advance to next test
D
DOONNEE
to terminate system test
0
NextDone
30
Cooling system
40
Fan system
70
Thermostat
information
(for reference only)
CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection (minimum off time) is bypassed during testing. To prevent
equipment damage, avoid cycling the compressor quickly.
0 Compressor and fan turn off.
1 Compressor and fan turn on.
0 Fan turns off.
1 Fan turns on.
71 Software revision number (major revisions)
72 Software revision number (minor revisions)
73 Configuration identification code (major)
74 Configuration identification code (minor)
75 Production configuration date code (week)
76 Production configuration date code (year)
9
Page 12
Installation Guide
Auto Changeover (Setup Function 12)
Auto Changeover is a feature used in
climates where both air conditioning and
Set Clock/Day/
Schedule
Fan
Auto
System
Auto
heating are used on the same day.When the
system is set to Auto, the thermostat automatically selects heating or cooling depending on the indoor temperature.
Heat and cool settings must be at least 3
degrees apart.The thermostat will automatically 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.
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 bef
ore 6 am, so the temperature is 70° by the time you wake at 6.
Built-in compressor protection (Setup Function 15)
Inside
75
Set Clock/Day/
Schedule
°
6:30
Fan
Auto
AM
System
Cool
Setting
75
Cool On
Cool
This feature helps prevent damage to the
°
compressor in your air conditioning or heat
pump system.
Damage can occur if the compressor is restarted too soon after shutdown.This feature
forces the compressor to wait for a few
minutes before restarting.
Message flashes until safe
restart time has elapsed
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.
10
Page 13
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
Inside
Current program period
Wake/Leave/Return/Sleep
75
Wake Wed
Set Clock/Day/Schedule
Press to set time, day or
program schedules.
Function buttons
Press the button beneath each function to view or change
settings. (Functions change depending on the task.)
Set Clock/Day/
Replace Battery
°
Schedule
6:30
Fan
Auto
AM
System
Heat
Heat
Setting
°
75
Heat On
Temperature setting
System status
On when “calling” for
heating or cooling;
flashes when waiting for
compressor restart.
System setting
(Heat/Cool/Auto/Off)
Fan setting
(Auto/On)
Battery replacement
Press and pull to remove Insert fresh AA
alkaline batteries,
then reinstall
battery holder
11
Page 14
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
Heating system
does not respond
(“Heat On”
appears on
screen)
Cooling system
does not respond
(“Cool On”
appears on
screen)
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).
• Check for 24 Vac at the equipment on the secondary side of the transformer between power and common. If voltage is not present, check the
heating equipment to find the cause of the problem.
• 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.
• Check for 24 Vac at the equipment on the secondary side of the transformer between power and common. If voltage is not present, check the
cooling equipment to find the cause of the problem
• 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.
Fan does not
turn on in a call
for heat
Heat pump
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 for loose or broken wires between the thermostat and the cooling
equipment.
• 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).
• Check Installer Setup, Function 2 (Changeover Valve), to make sure it is
properly configured for your system (see page 8).
• 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
Page 15
FocusPRO™TH6110D Programmable Thermostat
In case of difficulty
Heating equipment is running
in cool mode
Cannot change
system setting
to “Heat”
Cannot change
system setting
to “Cool”
“Heat On” is
not displayed
“Cool On” is not
displayed
“Cool On” or
“Heat On”
is flashing
• Check Installer Setup, Function 1 (System Type), to make sure it is set to
match the installed heating/cooling equipment (see page 8).
• 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
Changeover (see page 8).
• 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
Changeover (see page 8).
• Change the System Setting to Heat
the current room temperature.
• Change the System Setting to Cool
the current room temperature.
• Compressor protection timeout is engaged. Wait 5 minutes for the
system to restart safely, without damage to the compressor.
, and set the temperature level above
, and set the temperature level below
or Auto
or Auto
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
• Heat: 40° to 90°F (4.5° to 32°C)
• Cool: 50° to 99°F (10° to 37°C)
Operating Ambient Temperature
• 32° to 120°F (0° to 48.9°C)
Shipping Temperature
• -20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
• 5% to 90% (non-condensing)
Electrical Ratings
Terminal Voltage (50/60Hz) Running Current
W (O/B) Heating 20-30 Vac 0.02-1.0 A
(Powerpile) 750 mV DC 100 mA DC
Y Cooling 20-30 Vac 0.02-1.0 A
G Fan 20-30 Vac 0.02-0.5 A
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
Page 16
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
® 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.
Honeywell Limited-Honeywell Limitée
35 Dynamic Drive
Scarborough, Ontario M1V 4Z9
www.honeywell.com/yourhome
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