Honeywell FocusPRO TH5110D User manual

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Non-Programmable Digital Thermostat
® U.S. Registered Trademark. Patents pending.
Copyright © 2009 Honeywell International Inc.
All rights reserved.
Installation
Guide
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.
Need Help?
For assistance with this product please visit http://customer.honeywell.com
or call Honeywell Customer Care toll-free at 1-800-468-1502
This manual covers the following models
(Remove battery holder to find model number)
System Types
conditioning
three-wire zone valves (Series
valves

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Wallplate installation
1. Separate wallplate from thermostat.
2. Mount wallplate as shown below.
Mounting screws
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before
beginning installation.
MERCURY NOTICE
place the old control in the trash. Contact your local waste management authority for
instructions regarding recycling and proper disposal.
�
Pull here to remove wallplate
from new thermostat.
Remove battery holder.
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It's easier to grasp the wallplate
and remove it after completely
removing the battery holder.

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Power options
Keep wires in this
shaded area
Connect C for primary AC power
(optional if batteries are installed).
Insert batteries for primary
or backup power.
Remove factory-
installed jumper
only for two-
transformer
systems.
Conventional Terminals:
Rc
transformer
R
transformer
W Heat relay (stage 1)
W2 Heat relay (stage 2)
Y Compressor contactor (stage 1)
Y2 Compressor contactor (stage 2)
G Fan relay
C
cooling transformer.
Heat Pump Terminals:
Rc
transformer
R
transformer
O/B Changeover valve
Y Compressor contactor
Y2 Compressor contactor (stage 2)
-TH5320U only
G Fan relay
Aux Auxiliary heat relay*
E Emergency heat relay*
L Sends output when set to Em. Heat
C
*Aux and E terminals combined on TH5320U only.
Wiring
Terminal designations
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.

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Wiring
Wiring guide — conventional systems
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.
1H/1C System
(1 transformer)
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C
W Heat relay
G Fan relay
Heat-only System
Rc Power [1]
R [R+Rc joined by jumper]
C
W Heat relay
Heat-only System
(Series 20) [5]
Rc [R+Rc joined by jumper]
R [1]
Y
C
W
Heat-only System
(normally open zone valve) [5]
Rc [R+Rc joined by jumper]
R Power [1]
Y Normally open zone valve
C
1H/1C System
(2 transformers)
Rc Power (cooling transformer)
R Power (heating transformer)
Y Compressor contactor
C
W Heat relay
G Fan relay
Heat-only System
with Fan
Rc Power [1]
R [R+Rc joined by jumper]
C
W Heat relay
G Fan relay
Cool-only System
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C
G Fan relay
2H/2C System
(1 transformer) [6]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C
W Heat relay (stage 1)
G Fan relay
W2 Heat relay (stage 2)
Y2 Compressor contactor (stage 2)
2H/2C System
(2 transformers) [6]
Rc Power (cooling transformer)
R Power (heating transformer)
Y Compressor contactor (stage 1)
C
W Heat relay (stage 1)
G Fan relay
W2 Heat relay (stage 2)
Y2 Compressor contactor (stage 2)
See [notes] below
NOTES
Use 18- to 22-gauge thermostat wire.
Shielded cable is not required.
[1] Power supply. Provide disconnect means
and overload protection as required.
[2] Remove jumper for 2-transformer systems.
[4] Common connection must come from
cooling transformer.
[5]
Heat Only.
[6]
2Heat/2Cool Conventional.
O or B.
[8]
2Heat/1Cool Heat Pump.
[9]
2Heat/2Cool Heat Pump.
[10]
.
[11] L terminal sends a continuous output when
thermostat is set to Em. Heat. Connect
to Honeywell zoning panels to switch the
panel to Emergency Heat.
[12] Install field jumper between Aux and E if
there is no emergency heat relay.

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Wiring
Wiring guide — heat pump systems
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.
Thermostat mounting
Align the 4 tabs on the wallplate with
then push gently until the thermostat
snaps in place.
Push excess wire back into
the wall opening.
Plug wall opening with
non-flammable insulation.
1H/1C Heat
Pump System
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C
O/B Changeover valve
G Fan relay
2H/1C Heat
Pump System
(TH5220D only) [8]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C
O/B Changeover valve
G Fan relay
Aux Auxiliary heat relay [12]
E Emergency heat relay [12]
L Sends output when set to Em. Heat [11]
2H/1C Heat
Pump System
(TH5320U only) [8]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C
O/B Changeover valve
G Fan relay
Aux/E Auxiliary/Emergency heat relay
L Sends output when set to Em. Heat [11]
2H/2C Heat
Pump System
(TH5320U only) [9]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C
O/B Changeover valve
G Fan relay
Y2 Compressor contactor (stage 2)
L Sends output when set to Em. Heat [11]
3H/2C Heat
Pump System
(TH5320U only) [10]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C
O/B Changeover valve
G Fan relay
Aux/E Auxiliary/Emergency heat relay
Y2 Compressor contactor (stage 2)
L Sends output when set to Em. Heat [11]
See [notes] on page 4.

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press and hold the and FAN
buttons until the display changes.
Function
number
Setting
Press or to change settings.
Press NEXT to advance to the next function.
Press DONE to exit and save settings.
Installer setup
Follow the procedure below to configure the thermostat to match the installed
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Setup function Settings & options (factory default in bold)
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.
1 System type 0 1 heat/1 cool conventional
1 1 heat/1 cool heat pump (no aux. heat)
normally open zone valves
4 Cool only
5 2 heat/1 cool heat pump (with aux. heat)
6 2 heat/2 cool conventional
8 1 heat/2 cool conventional
9 2 heat/2 cool heat pump (no aux. heat) - TH5320U only
TH5320U only
2 Changeover valve
(O/B terminal)
0 Changeover valve (O/B terminal energized in cooling)
1 Changeover valve (O/B terminal energized in heating)
3 Fan control
(heating)
0 Gas or oil furnace — equipment controls fan in heating
5 Stage 1 heat cycle
rate (CPH: cycles/hour)*
5 For gas or oil furnaces of less than 90% efficiency
1 For steam or gravity systems
furnaces of over 90% efficiency
9 For electric furnaces
6 Stage 2 heat cycle
rate/Auxiliary heat
cycle rate (CPH)*
5 For gas or oil furnaces of less than 90% efficiency
1 For steam or gravity systems
furnaces of over 90% efficiency
9 For electric furnaces
7 Auxiliary heat cycle
rate (CPH)*
Only TH5320U
for 3H/2C Heat Pumps
5 For gas or oil furnaces of less than 90% efficiency
1 For steam or gravity systems
furnaces of over 90% efficiency
9 For electric furnaces
8 Emergency heat cycle
rate (CPH)*
9 For electric emergency heat
1 For steam or gravity systems
furnaces of over 90% efficiency
5 For gas or oil furnaces of less than 90% efficiency

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System test System status
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.
Press / to turn system on/off.
Press NEXT to advance to next test.
Press DONE to terminate system test.
Test number System status
press and hold the and
buttons until the display changes
Installer setup
Setup function Settings & options (factory default in bold)
Shaded areas below apply only to TH5320U/TH5220D or as otherwise noted.
CAUTION: Compressor protection is bypassed during testing. To prevent equipment
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10 Heating system 0 Heat and fan turn off.
2 Stage 2 heat turns on
TH5320U only
20 Emergency heating
system
0 Heat and fan turn off
1 Heat and fan turn on
2 Stage 2 heat turns on (auxiliary heat) - TH5220D only
30 Cooling system 0 Compressor and fan turn off
1 Compressor and fan turn on
2 Stage 2 compressor turns on
40 Fan system 0 Fan turns off
1 Fan turns on
9 Stage 1 compressor
cycle rate (CPH)
3 Recommended for most compressors
10 Stage 2 compressor
cycle rate (CPH)
3 Recommended for most compressors
12 Manual/Auto
changeover
0 Manual changeover (Heat/Cool/Off)
1 Auto changeover (Heat/Cool/Auto/Off)
2 Auto changeover only (Auto)
14 Temperature
display
0 Fahrenheit
1 Celsius
15 Compressor
protection
5 Five-minute compressor off time
26 Auxiliary heat control 0 Comfort **See page 8
1 Economy
27 Heat temperature
range stops
90 Max. heat temperature setting is 90 °F (32 °C)
28 Cool temperature
range stops
50 Min. cool temperature setting is 50 °F (10 °C)
Installer system test

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Honeywell International Inc.
1985 Douglas Drive North
http://customer.honeywell.com
Automation and Control Solutions
® U.S. Registered Trademark.
© 2009 Honeywell International Inc.
Honeywell Limited-Honeywell Limitée
Printed in U.S.A. on recycled
paper containing at least 10%
post-consumer paper fibers.
Special function
Auxiliary heat control (Setup Function 26):
Comfort Setting: The thermostat will prioritize comfort over economy depending on heat
pump. Raising the temperature just a few degrees will often activate the auxiliary heat.
Economy Setting: The thermostat will attempt to reach the temperature setting
without activating the auxiliary heat. The thermostat will wait to activate the auxiliary
temperature setting is changed.
Accessories & replacement parts
Please contact your distributor to order replacement parts.
Part Description Part Number Use With
Battery holder 50000951-001 TH5110D
*Use to cover marks left by old thermostats.
Specifications
Temperature Ranges
Operating Ambient Temperature
Shipping Temperature
Operating Relative Humidity
Physical Dimensions
TH5220D
TH5110D
Electrical Ratings
W
W2
Y
Y2
G
O/B
E
L