32-5088-01 |
Touchscreen |
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Comfort Control |
Model TCONT624AS42DA
User Guide
Nexia Home Intelligence
Customer Service:
(877) 288-7707
For HVAC related issues, contact your servicing dealer
ÎÎ NOTE: A 24 Volt common and hot wire MUST be connected to the TCONT624A for operation.
Contents |
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User Guide |
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Features .......................................................................................................................................................................... |
2 |
Operation.......................................................................................................................................................................... |
3 |
User Settings.................................................................................................................................................................... |
4 |
Scheduling........................................................................................................................................................................ |
5 |
Enrolling into “Z-Wave” Network (NexiaTM Home Intelligence)......................................................................................... |
8 |
Un-enroll comfort control from existing “Z-Wave” Network (NexiaTM Home Intelligence)................................................. |
9 |
Firmware Upgrades........................................................................................................................................................ |
10 |
About ............................................................................................................................................................................. |
11 |
Clean Screen ................................................................................................................................................................. |
11 |
Limited Warranty............................................................................................................................................................. |
12 |
FCC/IC Notice................................................................................................................................................................ |
14 |
1
User Guide
Features
TCONT624AS42DA Features
•24v, Z-Wave comfort control
•Remote access via smart phone, tablet, or P.C. (requires SK101 and a NexiaTM Home Intelligence account).
•Interactive 4.3” black & white touchscreen
•7 Day programmable, 4 schedules/day
•Built in humidity sensor with RH display
•Filter, maintenance, humidifier service reminders
•Remote temperature sensing option (1 indoor/1 outdoor)
•Auxiliary & compressor heat lockouts
•Dehumidification (overcooling)
•Enhanced dehumidification (cooling)
•Adjustable variable speed fan settings (pwm)
•Energy Savings Mode (ESM)
•Screen lock and guest lock
•Upgradable firmware (requires a NexiaTM Home Intelligence account).
•Service test modes
2
User Guide
Operation
The model TCONT624AS42DAA Comfort Control provides typical operation of a forced air heating and cooling HVAC system. The TCONT624 comfort control also features a Z-Wave™ module for remote control.
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Auto |
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Hold |
Cool |
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Sched |
Mode |
Fan |
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Normally, the Comfort Control displays the Home Screen as shown above.
Item |
Description |
Notes |
Clock Display |
The current time is displayed in the upper left corner |
See TIME/DATE for more information. If the control |
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of the main screen. The time will blink when the clock |
is connected to Nexia Home Intelligence the clock will |
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has not been set. |
be updated by the Nexia portal. |
Dynamic Labels and Func- |
The buttons are defined by the dynamic labels in each |
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tion Control Buttons |
button. As you navigate through menus, the labels for |
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the buttons will change. |
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Setpoint Display and Set- |
The current heat or cool setpoint is displayed. These |
The setpoints will push each other if they are adjusted |
point Up/Down Buttons |
setpoints may be set using Nexia Home Intelligence, |
to within the minimum heat/cool separation setting. |
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the Control’s internal schedule, or by pressing the Set- |
This is normally 3 degrees. |
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point Up/Down buttons. Pressing the setpoint button |
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changes the setpoint screen. The current mode is dis- |
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played at the top of the screen. Adjust the setpoint by |
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pressing the up or down arrows. To change setpoint |
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mode press the MODE button. |
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Temperature Display |
The Comfort Control displays the current temperature |
The internal temperature sensor can be adjusted as |
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as sensed by the internal temperature sensor. |
necessary. |
Menu Button |
Button used to access other Comfort Control menus |
Other Comfort Control menus can be accessed by |
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pressing the MENU button. |
System Mode Button |
Button used to change the system mode |
Off: System off |
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Heating: Heating only |
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Cooling: Cooling only |
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Auto: Heating/Cooling as necessary |
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EM Heat: Indoor Heat only |
Fan Mode Button |
Button used to change the fan mode: |
Auto: Fan on when cooling/heating is necessary |
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On: Fan constantly on |
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Circ: Fan on for a user-selected number of minutes |
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per hour. |
Schedule Mode Button |
Button used to change the schedule mode: |
Hold: System maintains the current temperature set- |
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points. Schedules are disregarded. |
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Run: Run the system schedule |
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Energy Saving Mode (ESM): Temperature setpoints in |
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ESM Setpoints are maintained. |
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3
User Guide
User Settings
User Settings allow the user to customize various settings on the 624 control. To access User Settings simply press the Menu button once and “User Settings” will be displayed. To enter the User Settings menu, press the Select button, then use the Next button to navigate through the options below. The default setting will be shown in brackets. After each selection press the Done button to save changes.
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Thermostat |
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Setting |
Range |
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Description |
Temperature Scale |
[Fahrenheit], Celsius |
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Select the temperature display scale |
Cooling RH Setpoint |
30% - 60% [50%] |
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Select the desired indoor relative humidity during cooling mode. Dehu- |
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midification must be enabled in the Installer Settings for this option to be |
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available. |
Smart Continuous Fan |
Yes, [No] |
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If yes is selected, continuous fan mode is disabled when indoor humidity |
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exceeds the Cooling RH Setpoint |
Continuous Fan Airflow |
35% - 100% [50%] |
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Select the desired fan speed when the Fan Mode selected is Continuous |
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(variable speed blower required) |
Fan Circulate On Time |
1 - 59 minutes, [Off] |
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Select the desired amount of time the fan will cycle per hour when the Fan |
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Mode selected is Circ |
Local Schedule Enable |
[Yes], No |
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Select whether scheduling will be enabled or disabled |
Max Heat Setpoint |
55 - [90] Degrees |
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Select the highest heating setpoint allowed |
Min Cooling Setpoint |
[60] - 99 Degrees |
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Select the lowest cooling setpoint allowed |
H/C Delta |
[3] - 15 Degrees |
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Select the minimum deadband between Heating and Cooling setpoints |
Once all selections have been made, press the Done button to exit and return to Menu. Press Next to navigate to the next setting.
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Energy Savings Mode |
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Setting |
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Range |
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Description |
ESM Heat Setpoint |
55 |
- 90 degrees [62] |
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Select the desired Heating Setpoint when ESM (Energy Savings Mode) is |
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selected |
ESM Cooling Setpoint |
60 |
- 99 Degrees [85] |
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Select the desired Cooling Setpoint when ESM (Energy Savings Mode) is |
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selected |
Once all selections have been made, press the Done button to exit and return to Menu. Press Next to navigate to the next setting.
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Display |
Setting |
Range |
Description |
Screen Timeout |
[0] - 90 Seconds |
Select how long after the last button press before the screen timeouts to a |
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minimized screen |
Backlight Timeout |
0 - 90 Seconds [20] |
Select how long after the last button press before the backlight dims |
Backlight On Percent |
0 - [100] Percent |
Select the screen brightness when the backlight is lit |
Backlight Off Percent |
[0] - 100 Percent |
Select the screen brightness when the backlight timeout expires |
Buzzer Enable |
[Yes], No |
Select whether button presses are audible |
Security |
[Unlocked], Display Lock, Guest |
Select security level |
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Access |
• Unlocked - Enables selection of all menus and settings |
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• Display Lock - Disables selection of all menus and settings |
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• Guest Access - Disables selection of all menus and settings except the |
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following: Raise or lower heating or cooling setpoint +/- 5 degrees and |
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change system mode |
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Note: When Display Lock or Guest Lock is selected a lock icon will appear |
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next to the up arrow. |
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Note: To disable Display Lock or Guest Access, press and hold the up |
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and down arrows until the lock icon disappears. |
Once all selections have been made, press the Done button to exit and return to Menu. Press Next to navigate to the next setting.
4
User Guide
User Settings Continued
User Settings allow the user to customize various settings on the 624 control. To access User Settings simply press the Menu button once and “User Settings” will be displayed. To enter the User Settings menu, press the Select button, then use the Next button to navigate through the options below. The default setting will be shown in brackets. After each selection press the Done button to save changes.
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Time/Date |
Setting |
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Range |
Description |
Hour |
1 |
- 12 am, 1 - 12 pm |
Select the current hour of day |
Minutes |
0 |
- 59 |
Select current minute of day |
Day of Week |
Sun - Sat |
Select current day of week |
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Year |
2013 - 2113 |
Select current year |
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Month |
Jan - Dec |
Select current month of year |
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Date |
1 |
- 31 |
Select current day of month |
Once all selections have been made, press the Done button to exit and return to Menu. Press Next to navigate to the next setting.
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Reminders |
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Setting |
Range |
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Description |
Filtration Enable |
Yes, [No] |
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Selecting yes, enables the Filter Reminder feature |
Filter Period |
[Monthly], Quarterly, Semi-Annu- |
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Select how often the reminder will be displayed |
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ally, Annually |
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Filter Start Month |
[Jan] - Dec |
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Select the Filter Reminder start month |
System Maint Enable |
Yes, [No] |
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Selecting yes, enables the System Maintenance Reminder feature |
First Maint Month |
Jan - Dec |
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Select the first System Maintenance month |
Second Maint Month |
Jan - Dec |
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Select the second System Maintenance month |
Once all selections have been made, press the Done button to exit and return to Menu. Press Next to navigate to the next setting.
Scheduling
Schedule Setup Procedure
The 624 comfort control is preset at the factory with a 7 Day energy savings schedule. Each day of the week is pre-programmed with the following schedule:
Scheduling
Time |
Schedule Name |
Heat Temperature Setting |
Cool Temperature Setting |
6:00 AM |
Wake |
70 F |
78 F |
8:00 AM |
Day |
62 F |
85 F |
6:00 PM |
Evening |
70 F |
78 F |
10:00 PM |
Night |
62 F |
78 F |
The schedule may be changed locally at the control with the Edit Schedule menu. If the 624 comfort control is connected to Nexia Home Intelligence the schedule may be changed remotely from the Nexia website using the website’s Edit Schedule menu.
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