Johnson Controls Hx3 S1-THXU430W Guide

Johnson Controls Unitary Products 5407935-UUM-B-0818
USER’S INFORMATION MANUAL
Hx3™ TOUCH SCREEN THERMOSTAT
MODELS: S1-THXU430W Energy Saver
PRODUCT DESCRIPTION...............
Content.............................................
Features............................................
THERMOSTAT CONTROLS............
Home Screen....................................
Secondary Home Screen..................
Modes of Operation...........................
SETTINGS........................................
Humidity Settings..............................
Fan Settings......................................
Lockout Settings...............................
Banner Information...........................
ADVANCED SETTINGS...................
Schedule Settings.............................
Schedule Override Settings..............
Wi-Fi® Network Status......................
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3
4
6
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8
9
11
12
13
14
15
17
18
19
HOMEOWNER APP.........................
App Wi-Fi® Connectivity...................
LOCATIONS AND MENU.................
Manage Dealer Access.....................
Tips Screen.......................................
Grant Dealer Access.........................
App Home and Secondary Home
Screen...............................................
SCHEDULE MANAGEMENT...........
APP SETTINGS................................
Away Mode.......................................
Notifications......................................
Amazon Alexa Setup........................
Apple Watch Setup...........................
Warranty...........................................
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TABLE OF CONTENTS

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We recommend that the user read all sections of
this manual and keep the manual for future refer-
ence.
PRODUCT DESCRIPTION
Content
Inside the box you can find the following items, see Figure 1.
WARNING
Cancer and Reproductive Harm –
www.P65Warnings.ca.gov
Figure 1: Content Overview
!
Thermostat
Mounting Screws
User and Installer
Manuals
Thermostat
Retaining Screws Drywall Anchors
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Features
Figure 2: Tools for Installation
Feature Description
Control of Heating
and Cooling Outputs Uses RS485 modbus.
Indoor Temperature
Sensing > 0.5°F accuracy from 60°F to 90°F.
Outdoor Tempera-
ture Sensing
Connects to a standard 10k NTC thermistor
(P/N: S1-02542683000).
Humidity Sensing
and Display
Operates Cool-to-Dehumidify functionality and
Dehumidification/Humidification functionality in
comm systems.
Presence Detection Activates backlight when the thermostat sensor
detects user presence.
Near Field Communi-
cation (NFC) Func-
tionality
Used for passive/active limited data transfer.
Wi-Fi Connectivity Supports 802.11 a/b/g/n standards and utilizes
a Broadcom chipset.
Cloud Connectivity iOS and Android app for end-user Smart Phone
or Tablet control.
ScrewdriverPencil Level
Wire Strippers Drill Hammer
7/32” Drill Bit (Plaster)
3/16” Drill Bit (Drywall)
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Optimized Installation
Spring loaded connectors that accept from 16-
24 AWG wire, no screwdriver required for wire
insertion and removal.
Optimized Boot Time 3 seconds total boot time until temperature dis-
played and thermostat fully operational.
4.3” TFT 320x240
QVGA Color Display Enhanced 80°viewing angle in all directions.
RS-485
Communications Bus For modbus communication protocols.
Over The Air (OTA)
Functionality Can reprogram the board functionality Wi-Fi.

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THERMOSTAT CONTROLS
IMPORTANT
Never use sharp instruments, such as a pencil or pen, to press touch
screen controls or keys. To prevent damage to the thermostat, always
press keys with your fingertip.
Figure 3: Thermostat Controls
Auto
Advanced
Settings
Banner
72
Backlight
Clean Screen
Cancel
Away
Cool
Date
14
Confirm/Yes
Heat
Emergency
Heat
(Heat pump only)
E
Fan
Filter
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Figure 4: Thermostat Controls Continued
Humidity
MAX Heat
MAX
MAX Cool
MAX
Log
Home
Off
PIN Enable
PIN Edit
PIN Disable
Schedule
Override
Schedule
Reset
Service
SVC
Settings
Software
Status
Time
Toggle
Fwd/Back
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Johnson Controls Unitary Products 7
Home Screen
For a quick reference guide of the Home screen, see Figure 5.
The Home and Secondary Home screen may differ slightly, depending
on your heating and/or cooling system and the Communicating Control’s
display settings.
NOTICE
Do not spray any liquid directly on the thermostat. Spray liquids onto a
cloth, and then use the damp cloth to clean the screen. Use water or
household glass cleaner. Do not use abrasive cleansers.
Figure 5: Home Screen
Wi-Fi® is a registered trademark of Wi-Fi Alliance.®
Wi-Fi ® Signal Settings
Room
Temperature
Cool Set Point
Page
Indicator
Up/Down
Arrows
Mode
Status
Banner
Information Heat Set Point
Home
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Secondary Home Screen
On the Home screen, swipe left to reach the Secondary Home screen.
The Home screen allows you to do the following:
• Access the Settings screen.
• View the current schedule settings.
• Enable Max Heat or Max Cool settings.
• View and edit Humidity settings.
For a quick reference guide of the Secondary Home screen, see
Figure 6.
To return to the Home screen, swipe right or select Home.
Figure 6: Secondary Home Screen
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MAX
MAX
Max Cool
Set Point
Max Heat Set Point
Humidity
Fan
Schedule
(Visible in Programmable Mode only)
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Modes of Operation
On the Home screen, different modes of operation are available:
• Off mode
• Heat mode
• Cool mode
• Auto Mode
Activating Auto Mode
You can activate Auto mode from the Home screen. See Figure 5.
• For automatic heating, on the Home screen, select Heat Setpoint
(red) and use the Up/Down arrows to select the required setpoint.
• For automatic cooling, on the Home screen (see Figure 5), select
Cool Setpoint (blue) and use the Up/Down arrows to select the
desired setpoint. See Figure 8.
Figure 7: Home and Mode Status Icons
72
6868 68
72 72
Heat CoolHeatAuto Cool
Off
68
72
A0981-001
Off Cool Auto Emergency
Heat
Heat
E
Schedule
Override
Schedule Away

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Activating Max Mode
On the Secondary Home screen (Figure 6), select Max Heat and Max
Cool to run equipment at maximum capacity for 10 minutes.
Use the settings screen to configure the thermostat settings. For an
overview of the settings icons available, see Figure 10.
1. On the Home Screen (or Secondary Home screen), select the green
Settings (cog wheel) icon.
2. Select the desired icon to view or edit settings. For example, select
the Time icon to change the time or date the thermostat displays.
3. To return to the Settings screen, swipe left or right.
Figure 8: Auto Heat and Auto Cool Mode
Figure 9: Max Heat and Max Cool Mode
SETTINGS
Auto Heat cluster
68
Auto Cool cluster
72
72
68
Heat Setpoint
Cool Setpoint
A0982-001
A0983-001
Max Heat cluster
68
72
MAX
Max Cool cluster
68
72
MAX

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Figure 10: Settings Icons
A. Humidity H. Status
B. Banner I. Clean Screen
C. Fan J. Software
D. Advanced Settings K. Backlight
E. Log L. Time/Date
F. Filter Reminder M. PIN Enable
G. Service
SETTINGS
72
SVC
A C E G
IJK
L
M
H
B D F
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To choose between automatic and manual mode, select the Auto/Man.
icon. See Figure 11.
Humidity Settings
Figure 11: Humidity Settings
• In manual mode, you can change
setpoints by selecting the Up/
Down arrows.
• To choose the Humidify or Dehu-
midify setting, select the
Humidity icon.
• Auto mode automatically sets the
humidity setpoint based on indoor
and outdoor temperatures.
NOTICE
• Auto mode requires an outdoor sensor.
• If condensation appears on your windows, lower the humidity
setpoint or switch to Auto mode.
HUMIDITY
HUM
AUTO
%
DEHUM
AUTO
42
20
AUTO
HumidityAuto & Manual Mode
A0985-001
20
42
HUM
MANUAL
%
DEHUM
MANUAL
MAN.
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Johnson Controls Unitary Products 13
To view and change the currently selected fan settings, on the Second-
ary Home screen, select the orange Fan icon.
Select the Up/Down arrows to view or select fan settings, see Figure 12.
For different fan setting options, see Figure 13.
Fan Settings
Figure 12: Fan Screen
Figure 13: Fan Setting Options
CFM Percentage Communicating ONLY
The blue Up/Down arrows and CFM
percentage only appear if the following
applies:
• If the fan operation is NOT in Auto mode.
• With communicating indoor equipment only.
Up/Down Arrows
A0986-001
RUN FAN
ALWAYS
RUN FAN
15 MINUTES
PER HOUR
RUN FAN
30 MINUTES
PER HOUR
RUN FAN
45 MINUTES
PER HOUR
A0988-001
59

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Lockout Settings
To prevent tampering with your thermostat, you can lock it with a PIN.
To activate the Lockout setting and to set a PIN, follow these steps:
1. On the Home screen, select the Settings icon.
2. On the Settings screen, select the PIN Enable icon.
3. On the Lockout screen, select the red Enable icon, see Figure 14.
4. Select the desired 3 digit PIN. Your PIN selection appears in the
Banner area, see Figure 16.
5. Select the Confirm icon. Your thermostat is now set to locked.
6. To edit or disable the PIN, on the Lockout screen, select the Edit PIN
icon or the Disable icon. See Figure 15.
Figure 14: Lockout Disabled Figure 15: Lockout Enabled
Figure 16: Set Pin Screen
A0990-001 A0991-001
Settings
Banner
Cancel
A0992-001

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Banner Information
• On the Settings screen, select the Banner icon to specify
information that will be shown in the banner of the thermostat.
• Use the yellow scroll bar to see all of the available options.
• On the Banner screen, enable or disable banner information by
tapping on the Check Marks icons.
Figure 17: Banner Information
Figure 18: Banner Information Continued
Scroll Bar
Banner information
A0993-001
A0994-001

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Use the Advanced Settings screen to configure the thermostat, see Fig-
ure 19. Once an item from the Advanced Settings list is selected, a
selection screen similar to Figure 20 displays.
ADVANCED SETTINGS
Figure 19: Advanced Settings
Figure 20: Advanced Settings - Sound
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•Synch Time to Server: If the thermostat is connected to a Wi-Fi
router, both the date and time will be synced with the server based
on the timezone of the smart device used to connect the thermo-
stat to a router.
•Screen Timeout: Use this setting to specify how long the backlight
of the thermostat will remain on. You can choose from 5 to 30 sec-
onds in 5 second selectable intervals.
•Proximity: Use this setting to enable (YES) or disable (NO) pres-
ence detection. If you enable the proximity feature, the backlight
activates when the thermostat sensor detects a user presence.
•Prox Sensitivity: Use this setting to change the sensitivity of the
proximity feature. You can change the default setting of medium to
high or low. High sensitivity increases the detection range of the
thermostat sensor.
•# Day Parts: Use this setting to adjust the number of programma-
ble periods in a single day. The setting can be adjusted between 2
and 4 (default) day parts, Monday through Sunday.
•Daylight Savings: Use this setting to Enable (default) or Disable
Daylight Savings.
•Wireless: Use this setting to Enable (default) or Disable the Wi-Fi
functionality for the thermostat.
•Sound: Use this setting to adjust the sound for the thermostat.
The setting is adjustable as either OFF or CLICK (default) or
BEEP. See Figure 20.
•Prog or Non-Prog: Choosing the non-programmable mode for the
thermostat allows the thermostat to run in a simplified mode that
will satisfy the selected heating or cooling setpoints.
Operating the thermostat in programmable mode allows the user to
setup heating and cooling setpoints for four periods of each day, seven
days of the week.
NOTICE
The Schedule Icon will not be visible in non-programmable mode.

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To access Schedule settings, on the Secondary Home screen, select the
Schedule (calendar) icon. This shows the cooling and heat set points
according to the current schedule settings. See Figure 21.
The yellow line indicates the current time of day. Swipe the schedule up
or down to show the other days of the week and their individual cooling
and heat set points, and times.
To use the Schedule Override feature, select the purple Schedule Over-
ride icon. Refer to the next page for information on the schedule over-
ride settings.
Fan Screen View: (VIEW ONLY) To program your fan settings use the
Hx™ Thermostat app. For all available fan setting options see Figure 22.
Schedule Settings
NOTICE
To change the schedule times and temperature set points, use the
Hx™ Thermostat app. The touchscreen thermostat only allows you to
view the schedule, NOT program any schedule settings.
Figure 21: Schedule Screen
TUESDAY
6:00a 6:00a8:00a 6:00p 10:00p
78°
70°
78°
70°
78°
70°
85° 82°
62°
82°
62° 62°
Day of the Week
Fan Screen View
Row Indicator
Time
Time
(End 3rd Period)
(Start 4th Period)
Time
(End 2nd Period)
(Start 3rd Period)
Time
(End 1st Period)
(Start 2nd Period)
Time (Start
1st Period)
Cool Set Point
Heat Set Point
Current
Time of Day
Schedule
Override
A0997-001
(End 4th Period)
(Day of the Week)
(see Figure 22)

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Schedule Override Settings
There are two ways to access the Schedule Override settings:
• On the Schedule Settings screen, select the Override Settings icon (a
purple cog wheel). See Figure 21.
• On the Home screen, on a thermostat with a set schedule, select the
Up/Down arrows. The Schedule Override icon (a calendar with a red
line across it) appears in the center. See Figure 7.
Figure 22: Fan Screen View
Figure 23: Schedule Override Screen
FAN-TUESDAY
6:00a 6:00a8:00a 6:00p 10:00p
15 min
AUTO
45 min
Always
AUTO
30 min
A0998-001
OVERRIDE SETTINGS
NEXT EVENT
UNTIL CANCELLED
Scroll Bar
A0999-001

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Select the Check Mark icons to change the type of program schedule
override: Until Canceled, Next Event, and Time, (1 to 12 hours).
Wi-Fi®Network Status
To access the Wireless Status screen, select the Wi-Fi® Signal
Strength icon on the banner. This screen provides Wi-Fi® connectivity
information. To disconnect from the current network, press Disconnect.
See the App Wi-Fi® Connectivity section for instructions on network con-
nections.
Figure 24: Schedule Override Screen Continued
Figure 25: Wireless Status Screen
A1000-001
OVERRIDE SETTINGS
TIME
2 HOURS
Green = Connected Red = Not Connected
Connectivity Information
WIRELESS STATUS
SSID myhome_wifi-2.4
MAC 98f175bc97f
DSN AC000W000221268
REG YES
DISCONNECT
Wi-Fi®
Signal
A1001-001