Pentax TH8320WF, TH8320 Setup Guide
System Setup
69-2733EFS-05
VisionPRO® Wi-Fi Model TH8320WF
Touch-screen Programmable Thermostat
This thermostat works on 24 volt systems. It will NOT work on 120/240 volt systems.
This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply.
See www.dtsc.ca.gov/hazardouswaste/perchlorate
MERCURY NOTICE: Do not place your old thermostat in the trash if it contains
mercury in a sealed tube. Contact the Thermostat Recycling Corporation at www.
thermostat-recycle.org or 1-800-238-8192 for information on how and where to
properly and safely dispose of your old thermostat.
NOTICE: To avoid possible compressor damage, do not run air conditioner if the
outside temperature drops below 50°F (10°C).
Need Help?
For assistance with this product please visit http://customer.honeywell.com
or call Honeywell Customer Care toll-free at 1-855-733-5465
MCR29481
MCR29480
Wallplate installation
1 Separate wallplate from thermostat.
2 Mount wallplate as shown below.
Drill 3/16” holes for drywall.
Drill 7/32” holes for plaster.
Wall anchors
Grasp top and bottom of wallplate
and pull to remove from thermostat.
+
+
+
Wire hole
Mounting screws
69-2733EFS—05 2
Wiring
HEAT PUMP
CONVENTIONAL
Y2
Y2
L
E/AUX
K
S1
S2
W2
K
S1
S2
Terminal Designations
Conventional Terminal Letters:
Y2 2nd stage compressor contactor.
W2 2nd stage heat relay.
K Optional wirer save module.
S1 Optional outdoor or remote sensor.
S2 Optional outdoor or remote sensor.
Rc Cooling power. Connect to secondary side
of cooling system transformer.
R Heating power. Connect to secondary side
of heating system transformer.
W 1st stage heat relay.
Y 1st stage compressor contactor.
G Fan relay.
C Common wire from secondary side of
cooling transformer (if 2 transformers).
RC
R
W
Y
G
C
RC
R
O/B
Y
G
C
MCR34051A
Heat Pump Terminal Letters:
Y2 2nd stage compressor contactor.
L Heat pump reset (powered continuously
when System is set to Em Heat; system
monitor when set to Heat, Cool or Off).
E/Aux Auxiliary/Emergency heat relay.
K Optional wirer save module.
S1 Optional outdoor or remote sensor.
S2 Optional outdoor or remote sensor.
Rc Cooling power. Connect to secondary side
of cooling system transformer.
R Heating power. Connect to secondary side
of heating system transformer.
O/B Changeover valve for heat pumps.
Y 1st stage compressor contactor.
G Fan relay.
C Common wire from secondary side of
cooling system transformer.
3 69-2733EFS—05
MCR29484
Remove tab and mount thermostat
Remove tab.
Align pins on back of thermostat
with slots in wallplate, then push
gently until thermostat snaps into
place.
Set date and time
Press st
to set date
Press st
to set month
Press st
to set year
Press DONE to save changes.
Note: When registered to Total Connect Comfort the thermostat automatically sets the
time on the thermostat as well as automatically adjusting for Daylight Savings Time.
DONE
TUE
2012
15
6
Press st
to set time
TUE
PM
1:00
DONE
MCR29485
Press DONE to save and exit.
69-2733EFS—05 4
TUE
SYSTEM
MCR31563
Setting functions and options
You can change options for a number of system functions. Available functions depend on
the type of system you have. The functions, designated with four-digit numbers, along with
available options are described on pages 5–8
This thermostat is pre-set for a single-stage heating/cooling system.
Setting function 0170 for a heat pump will adjust the default settings.
1 Press SYSTEM.
2 Press and hold the two blank keys on either
side of the center blank key for approximately
five seconds until screen changes.
HEAT
DONE CANCEL
6:00
aM
3 Cycle through the functions, press st next to
the four digit number on the left.
4 As needed, change options for any function by
pressing st next to the number on the right.
0120
DONE
20
5 When you have made all changes, press DONE
to save and exit.
System setup
Available options depend on thermostat model.
Function Settings & Options
Device Name
0112
This name will
identify the
thermostat when you
view it remotely.
If you register
multiple thermostats,
give each one a
different name.
Year Setting
0120
(rst two digits)
Year Setting
0130
(last two digits)
Month Setting 01–12 (i.e., January–December)
0140
Date Setting 01–31
0150
Schedule Options
0160
5 69-2733EFS—05
52 = Thermostat
1 Basement 18 Fireplace 35 Media Room 52 Thermostat
2 Bathroom 19 Foyer 36 Music Room 53 Upper Level
3 Bathroom 1 20 Game Room 37 Nursery 54 Utility Room
4 Bathroom 2 21 Garage 38 Office 55 Walk In Closet
5 Bathroom 3 22 Great Room 39 Office 1 56 Wine Cellar
6 Bedroom 23 Guest Room 40 Office 2 57 Workshop
7 Bedroom 1 24 Gym 41 Pantry 64 Conference Room
8 Bedroom 2 25 Kid's Room 42 Play Room 65 Dressing Room
9 Bedroom 3 26 Kitchen 43 Pool Room 66 Meeting Room
10 Bedroom 4 27 Kitchen 1 44 Porch 67 Machine Room
11 Boat House 28 Kitchen 2 45 Rec Room 68 Open Area 1
12 Bonus Room 29 Laundry Room 46 Sewing Room 69 Open Area 2
13 Computer Room 30 Library 47 Spa 70 Server 1
14 Den 31 Living Room 48 Storage Room 71 Server 2
15 Dining Room 32 Lower Level 49 Studio 72 Stock Room
16 Exercise Room 33 Master Bath 50 Sun Room
17 Family Room 34 Master Bed 51 Theater
20 = Year 20xx
21 = Year 21xx
01–99 (i.e., 2001–2099)
4 Program schedule is on (7-day programmable).
0 Program schedule is off. Thermostat can not be programmed.
System setup
Function Settings & Options
Restore Schedule
0165
Defaults
Select System
0170
Type
If you are not sure of
your heating/cooling
system type or have
other questions,
go to
withermostat.com
Heat Pump Type
0173
Heating Fan
0180
Control
Heat Pump
0190
Changeover Valve
(for heat pumps
only)
Back-up Heat
0200
Source
External Fossil
0210
Fuel Kit
1st stage compres-
0220
sor cycle rate
2nd stage com-
0230
pressor cycle rate
Heating Cycle
0240
Rate
Heating Cycle
0250
Rate Stage 2
Heating Cycle
0260
Rate Stage 3
Backlight
0280
0 Continue using programmed schedule.
1 Restore thermostat program to energy saving settings
1 Heat/cool: Gas, oil or electric heating with central air conditioning.
2 Heat pump: Heat pump without backup or auxiliary heat.
3 Heat only without fan: Gas, oil or electric heat without central air
conditioning.
4 Heat only with fan: Gas, oil or electric heat without central air
conditioning.
5 Heat only (no fan): Gas, oil or hot water heat without central air
conditioning.
6 Cool only: Central air conditioning only.
7 Heat pump: Heat pump with backup or auxiliary heating.
8 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 2
cooling stages (wires on Y and Y2).
9 Heat/Cool Multiple stages: 2 heat stages (wires on W and W2), 1
cooling stage (wire on Y).
10 Heat/Cool Multiple stages: 1 heat stage (wire on W), 2 cooling stages
(wires on Y and Y2).
11 Heat pump multiple stages: 2 heat stages (wires on W and W2),
2 cooling stages (wires on Y and Y2) (no aux. heat).
12 Heat pump multiple stages: 3 heat stages (wires on W, W2, and Aux),
2 cooling stages (wires on Y and Y2) (with aux heat).
0 Air to air heat pump
1 Geothermal heat pump
0 Gas or oil heat: Use this setting if you have a gas or oil heating system
(system controls fan operation).
1 Electric heat: Use this setting if you have an electric heating system
(thermostat controls fan operation).
0 Cooling changeover valve: Use this setting if you connected a wire
labeled “O” to the O/B terminal.
1 Heating changeover valve: Use this setting if you connected a wire
labeled “B” to the O/B terminal.
0 Electric
1 Fossil fuel
0 No
1 Yes
3 Recommended for most compressors
[Other options: 1, 2, 4, 5 or 6 CPH]
5 Gas or oil furnace: Standard gas/oil furnace (less than 90% efficiency).
9 Electric furnace: Electric heating systems.
3 Hot water or high-efficiency furnace: Hot water system or gas furnace
(more than 90% efficiency).
1 Gas/oil steam or gravity system: Steam or gravity heat systems.
[Other options: 2,4,6,7,8,10,11,12]
0 Backlight off, then on for approximately 8 seconds after keypress.
1 Backlight always on low intensity, full bright after keypress.
69-2733EFS—05 6
System setup
Function Settings & Options
Manual/Auto
0300
Changeover
Auto changeover
0310
deadband
Temperature For-
0320
mat (°F/°C)
Automatic Daylight
0330
Saving Time Adjustment
Remote Temp
0340
Sensor
Dual Fuel Heat
0346
Pump Upstage to
Furnace Timer
0 Manual changeover (Heat/Cool/Off).
1 Automatic changeover (Heat/Cool/Auto/Off). Automatically turns on Heat
or Cool based on room temperature. Note: System maintains minimum
3°F difference between heat and cool settings.
3 Heat/cool temperature 3°F apart (1.5°C)
[Other options: 2-9 (2°F to 9°F/1°C to 5°C)])
0 Fahrenheit
1 Celsius
0 Off
1 On
0 None
1 Outdoor for Display
2 Outdoor for Control
3 Remote Indoor
0 Off
0.5 30 minutes
1 1 hour
1.5 1.5 hours
2 2 hours
3 3 hours
4 4 hours
5 5 hours
6 6 hours
8 8 hours
10 10 hours
12 12 hours
14 14 hours
16 16 hours
Droop Temperature
0347
(Steady State)
Backup Heat
0349
Manual Droop Temperature
Heat Pump Com-
0350
pressor Lockout
Heat Pump Aux
0360
Lockout
Filter Change
0500
Reminder
The reminder
appears after
selected number of
days run time not
actual time.
Furnace lter
0502
for Run time
Humidier Pad
0510
Replacement Re-
minder
UV Lamp Replace-
0520
ment Reminder
2 °F (1.0 °C)
[Other options: displayed in °F or °C]
0 Comfort (Off)
1 Economy
0 Off
[Other options: displayed in °F or °C]
0 None
[Other options: displayed in °F or °C]
0 Off (no reminder)
1 Reminder after 10-day run time (about 1 calendar month)
2 Reminder after 30-day run time (about 3 calendar months)
3 Reminder after 60-day run time (about 6 calendar months)
4 Reminder after 90-day run time (about 9 calendar months)
5 Reminder after 120-day run time (about 1 calendar year)
6 Reminder after 180-day run time (about 18 calendar months)
7 Reminder after 270-day run time (about 2 calendar years)
8 Reminder after 365-day run time (about 3 calendar years)
0 Counts both heat and cool
1 Counts cool only
0 Disabled
1 30-day run time (about 3 months)
2 60-day run time (about 6 months)
3 90-day run time (about 9 months)
0 Disabled
1 365 days
2 730 days
7 69-2733EFS—05
System setup
Function Settings & Options
Adaptive Intelligent
0530
Recovery
1 On
0 Off
Compressor
0580
protection
Heat temperature
0600
range stop
Cool temperature
0610
range stop
Clock Format
0640
Extended fan
0650
timer (heat)
Extended fan
0660
timer (cool)
Keypad lock
0670
Heat temperature
0680
control
Cool temperature
0690
control
Finish On High
0695
Heat Stage
Finish On High
0696
Cool Stage
Temperature
0700
display offset
Restore Original
0710
Settings
Wi-Fi On/Off
0890
Wi-Fi Connection
0900
5 5 minute compressor off time
[Other options: 0, 1, 2, 3 or 4-minute off time]
90 Max. heat temperature setting is 90°F (32°C)
[Other options: 40-89°F (4°C to 32°C)]
50 Min. cool temperature setting is 50°F (10°C)
[Other options: 51-99°F (11°C to 37°C)]
12 12-hour clock (i.e., “3:30 pm”)
24 24-hour clock (i.e., “15:30”)
0 Off
90 Fan runs for 90 seconds after call for heat ends
[Other options: 30, 60, 120]
0 Off
90 Fan runs for 90 seconds after call for cooling ends
[Other options: 30, 60, 120]
0 Keypad unlocked (fully functional)
1 Partially locked (access to temperature settings only)
2 Fully locked
2 Standard temperature control (recommended)
1 Choose if room is warmer than set temperature
3 Choose if room does not reach set temperature
2 Standard temperature control (recommended)
1 Choose if room is cooler than set temperature
3 Choose if room does not reach set temperature
0 No
1 Yes
0 No
1 Yes
0 Thermostat displays actual room temperature
[Other options: -3, -2, -1, 1, 2, 3°F offset (-1.5°C to 1.5°C)]
0 No
1 Disconnects thermostat from Wi-Fi and restores original settings (erases
customizations).
1 Wi-Fi is on and can be connected to a Wi-Fi network.
0 Wi-Fi is off. Thermostat cannot be connected to a Wi-Fi network. If you
are not connecting the thermostat to a Wi-Fi network this will remove the
text “Wi-Fi Setup” from the messaging center.
1 Connected to Wi-Fi network. This is set automatically when the
thermostat is connected to the Wi-Fi network.
0 Set to 0 to disconnect from the Wi-Fi network.
69-2733EFS—05 8
MCR29488
Installer System Test
During installer setup, press t
repeatedly until “Test” appears.
0120
DONE
20
Test
number
System
status
1
TEST
DONE
Press DONE to terminate testing.
System test System status
1 Cooling system
2 Fan system
3 Heating system
4 Emergency
heating system
CAUTION: EQUIPMENT DAMAGE HAZARD. Compressor protection 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
2 Second stage compressor turns on
0 Fan turns off
1 Fan turns on
0 Heat and fan turn off
1 Heat turns on (fan on if Function 0170 is set for heat pump,
or if Function 0180 is set to “1”)
2 Second stage heat turns on
0 Em Heat and fan turn off
1 Em Heat and fan turn on
2 Second stage heat turns on (Auxiliary heat)
Press t to
select test
0
Press t to
change status
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
• 0° to 120°F (-18° to 48.9°C)
Shipping Temperature
• -30° to 150°F (-34° to 66°C)
Operating Relative Humidity
• 5% to 90% (non-condensing)
Physical Dimensions
• 4-23/25” H x 6-2/5” W x 1-19/46” D
• 125 mm H x 166 mm W x 36 mm D
9 69-2733EFS—05
Electrical Ratings
Terminal Voltage (50/60Hz) Running Current
W Heating 20-30 Vac 0.02-1.0 A
W2 Heating 20-30 Vac 0.02-0.6 A
Y Cooling 20-30 Vac 0.02-1.0 A
Y2 Cooling 20-30 Vac 0.02-0.6 A
Aux/E Auxiliary heat 20-30 Vac 0.02-1.0 A
O/B Changeover 20-30 Vac 0.02-0.6 A
Automation and Control Systems
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
Honeywell Ltd
705 Montrichard Avenue
Saint-Jean-sur-Richelieu, Québec
J2X 5K8
http://customer.honeywell.com
® U.S. Registered Trademark.
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All othe r tradem arks are the property of t heir res pecti ve owners .
© 2014 Honeywell International Inc.
69-27 33EFS—05 M.S. Rev. 02-14
Printed i n U.S.A.
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