Daikin TRC-3 One+ Smart Thermostat Installation Guide

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Daikin One+

System Configurations
Installing Daikin One+
Commissioning Daikin One+
Full Set-up
Dealer Navigation
Homeowner Navigation
Mobile Apps

Daikin One+ Smart Thermostat

Premium control that provides optimal comfort.
Easy to use, energy efficient, reliable, and ensures that the system is set up properly.
Designed to regulate and communicate with HVAC equipment.
The user will be able to control the indoor unit remotely through the Daikin One Home app.
Offers two-way communication when combined with:
- Daikin FIT system; air conditioners and heat pumps, residential inverters; air conditioners and heat pumps, and two stage system; air conditioners and heat pumps.
- Also includes the Daikin One ecosystem which provide an integrated solution for temperature control and air quality.
Daikin One home air monitor (recommend adding the MERV 15 filter)
Serves as a cloud-connected hub and controller for communicating HVAC systems.

Daikin One+ Interface

The thermostat has a physical dial on the right used for manual setpoints adjustments.
Pressing the center of the dial at any time during normal mode acts as a home button, displaying the primary screen.
The high-resolution touch screen on the left supports tactile-based interactions.
Navigating to each screen is done by tapping an icon.

Service Reminders

Set service reminders to maintain your system.
Preset reminder options include:
- Media filter
- Humidifier Pad
- Service reminders

Messaging

Daikin One+’s messaging updates, confirms, and informs about selections you make during set-up and operation.
There are four types of messages:
Status
Alerts
Reminders and Prompts
Learn more/tips

Quick Reference Card

Quick reference cards are packaged with the thermostat to help answer questions during the installation and commissioning.

Valid System Configurations

Communicating Indoor

Air handler.
Furnace.
EEV coil.

Communicating Outdoor

Heat pump.
Air Conditioning.

Non-communicating Indoor

Furnace
Utilizing a D24V Gateway

Non-communicating Outdoor*

24V single-stage condenser.

Installing Daikin One+ Smart Thermostat

DO NOT Install The Thermostat Where It Can Be Affected By:

Drafts or dead spots behind doors and in corners.
Hot or cold air from ducts or ceiling fans.
Radiant heat from the sun or appliances.
Concealed pipes and chimneys.
Unheated (uncooled) areas such as an outside wall.
Mount the thermostat to be
- Leveled.
- Approximately 5’ from the floor.
- On an interior wall using the included screws.
Maximum wire distance between the Daikin One+ and the indoor unit should not exceed 125 feet using 18 gauge wire.
Check for proper voltage before and after wiring is installed.
- 0.6VDC between Data 1 and 2
Wiring communicating indoor unit to communicating outdoor units.
Connect 1, 2, C and R from the Daikin One+, to 1, 2, C and R at the indoor unit.
Connect wires 1 and 2 from the indoor unit to 1 and 2 at the outdoor unit.
Wiring communicating indoor unit to non-communicating outdoor units.
Connect 1, 2, C and R from the Daikin One+, to 1, 2, C and R at the indoor unit.
Connect wire Y1 from the indoor unit to Y1 at the outdoor unit.

Wiring thermostat to communicate systems

Communicating indoor units supplied with a 9 pin connector only, will move the connector to the far left to pair R, C, G, W1 on the 9 pin with 1, 2, R, C on the indoor PCB.
Communicating outdoor units supplied with a 7 pin connector only, will move the connector to the far left to pair R, C on the 7 pin with 1, 2 on the outdoor PCB.
Note: The Daikin One+ is labeled 1, 2, C, R. If wired incorrectly, you will receive a communication error, or your equipment may not be recognized and displayed
Communicating indoor units with a 4 pin connector supplied, will match 1, 2, R, C on the 4 pin with 1, 2, R, C on the indoor PCB.
Communicating outdoor units with a 4 pin connector supplied, will match 1, 2 on the 4 pin with 1, 2 on the outdoor PCB.
Note: The Daikin One+ is labeled 1, 2, C, R. If wired incorrectly, you will receive a communication error, or your equipment may not be recognized and displayed.

Aux wiring

The thermostats Aux outputs are dry contacts that close the connection to turn on the Aux equipment.
A 24V AC control signal must be routed through one of the aux contacts of the thermostat.

The terminals are selected in the Daikin One+ installer wizard.
Note: It is recommended to use a minimum of 18-gauge wire. Maximum operating length of wire is 125 ft.

Commissioning Daikin One+ Smart Thermostat

Begin set-up: walks installers through the entire commissioning process to ensure the system is configured properly and ready for the homeowner to use.
- Enables random access to any setting.
- Remembers settings as they are entered.
- Individual may stop and restart as needed.
The screens are populated based on the model numbers of the equipment, matched to a database of device conﬁguration settings.
A start-up screen is displayed upon powering the thermostat.
The welcome screen displays preferences to choose from.
Select Unitary (default) before moving to the setup screen.
Version of the thermostat is displayed on the learn more screen.
Selecting setup options allows you to factory reset the thermostat.

Full Set-up

Start-up

Tapping begin set-up starts the ﬁve step set-up process:

Communication.
Personalization.
Equipment Set-up.
System Optimization.
Preferences.

Note: All steps must be completed and reviewed before completing set-up to ensure the system is configured properly and ready for the homeowner to use.

For detailed menu settings https://daikinone.com/smart_thermostats/oneplus/pros/

Step 1 – Communication

Conﬁgures Communication Networks.
Select home Wi-Fi to search for networks.
With Wi-Fi conﬁgured, the system can check the software version and update software to the latest version automatically.

Note:

Wireless router must be password protected.
Compatible with 5Ghz routers which supports 2.4Ghz
Equipment type displays the equipment selected on start up.

Step 2 – Personalization

Tapping the personalization tab allows you to edit default information.
- Personalization displays:
- Language.
- Large font selection.
- Date & Time.
- If Wi-Fi is connected, date & time sets automatically.
- Thermostat Name.
- Degree Units.

Note: A green check mark appears next to items reviewed from the set-up menu.

Step 3 – Equipment Set-up

Displays equipment found by searching the communication network, or by adding/removing equipment and accessories from the preset list.
The unit that is identified determines the list of configurations that will be displayed
View unit Specifications.
Configure
Cool settings
Heat Settings
Heat Pump Settings
Humidifier Relay
Aux alarm
Heater Kit

Added Equipment

The Daikin One+ smart thermostat is compatible with multiple accessories.
- Air quality sensor
- Humidifier
- Dehumidifier
- You can Install the humidifier and dehumidifier by using aux 1 or 2
- Recommend using an isolation relay between auxiliary device and thermostat.
UV Bulb
- Electronic Filter
- HEPA filter
- EWC Zone Board.

Auxiliary Heat

Selecting add equipment will allow you to configure an auxiliary heat source.
Aux heat source is the only option for an AC only outdoor unit.

Secondary Heat Settings

The control section will allow you to adjust settings such as lockouts and secondary heat activation temperature.
Emergency Heat mode will appear as a system mode when connected to heat pump units and can be used to directly turn on the aux heat source if enabled.

T on/T off Control

T on and T off provide an alternative control method to have the main AC/heat pump control the aux heat source using its PI control algorithm.
T on/T off is the only control option for AC- only outdoor units
If the indoor unit is a gas furnace, or is an air handler with a heater strip, these heat sources will be controlled around the heat setpoint by the demand-based algorithm.
The aux heat source will be controlled independently.

Aux Heat Control

When heat pump is the primary heat source:
- Heat pump lockout temperatures are adjustable from -20°F to 65°F in 5°F increments. (default 15°F)
- Auxiliary heat lockout temperatures are adjustable from -10°F to 75°F in 5°F increments. (default 50°F)

Auxiliary heat demand:

T on differential is adjustable from -7°F to -3°F in 1°F increments (default -3°F)
T off differential is adjustable from -4°F to 1°F in 1°F increments (default 1°F)
When auxiliary heat is the primary heat source:
Heat pump lockout temperatures are adjustable from -20°F to 65°F in 5°F increments. (default 15°F)
Setpoint differential can be set at -9°F, -7°F, -4°F, and -2°F (default -2°F)

Heat pump demand:

T on differential can be set at -1°F or -2°F (default -1°F)
T off differential 1°F fixed

Step 4 – System Optimization

System optimization displays:

System test.
- Inverters only.
Charge mode.
- Inverters only.
Optional test.
Error history.
- Logs alerts with an error code.
- White = not critical
- Yellow = critical
Calibration. Thermostat must be in OFF mode.
- Wait 30 minutes before calibration for the thermostat to equalize.
Status.

System Test

The system test should be run for the inverter units before proceeding to complete set-up.
To proceed through the set-up process, the system test needs to be completed without any errors.
When the tests are completed, the run test screen is displayed.
System test is complete only when display code E11 notice clears from the seven segment LED display on the heat pump or air conditioner.
The system test should be run for the inverter units before proceeding to complete set-up.
To proceed through the set-up process, the system test needs to be completed without any errors.
When the tests are completed, the run test screen is displayed.
- System test is complete only when display code E11 notice clears from the seven segment LED display on the heat pump or air conditioner.

Charge Mode

Selecting charge mode allows for a steady system operation for approximately 1 hour to allow for refrigerant charging of the system via the suction charge port.
The system will stop after completion.
Note: For proper charging of a system, please see equipment installation manual.

Optional Tests

Each optional test has a short description.
Optional tests display a stop test button while test is running.
Note: Thermostat will only display tests that the system can perform.

Status

The status menu displays data pertaining to the selected equipment.
The scrollable list can be accessed any time by returning to the installer set-up screen.

Step 5 – Preferences

There are four preference settings to choose from in order to optimize your system’s performance.

Cool/Heat
House settings
Dealer information
Reminders

Note: Changing preferences is not required, but reminders and dealer contact information should be inputted.

Dealer Information

Selecting allows you to enter and review the dealer’s information.

Reminders

The number of reminders are based on the installed equipment with accessories.
Once the equipment has been added, a 1 – 24 month service reminder can be selected depending on the installed equipment.
Note: The homeowner cannot edit service reminders.

Final step – Complete set-up

Selecting complete set-up will conclude the full set-up of the thermostat and display normal mode for you to navigate and verify settings.
Reminder: All steps must be reviewed before completing full set-up.

Dealer Navigation

Dealer edit

Navigating to dealer edit will allow you to access or revisit the installer set-up screen.
Advanced adjustments to the Daikin One+ will be made here.
Acknowledging the prompt enables you to tap the learn more icon.
The icon displays the installer code, giving you access to the installer set-up screens.

Homeowner Navigation

Normal Mode

Normal mode allows you to view messaging, temperature, and access settings to adjust parameters placed by the installer.
Navigating is accomplished by tapping icons or turning the analog dial.
Note: Analog turn dial is used to adjust temperature only. Pressing the dial returns to the home screen.

Adjust control

Tapping the system mode icon allows you to select:

Auto. (cool & heat)
Cool.
Heat.
Off.
Emergency heat. (heat pump only)
Tapping the arrow icons or rotating the dial will adjust setpoints that are displayed. You can also slide the setpoints to the desired temperature.

Schedule

The schedule is presented as 7 days, displaying one day at a time, with 24 hours fitting on the screen.
You can use the drop-down menu or swipe to enable schedule editing.
Copy and paste is a feature that makes scheduling seamless.
Note: Unlike other screens, scheduling requires saving edits before exiting the mode.

Away

The away screen displays the current state (on/off) and the away cooling/heating setpoints used when away is on.
- on/off is selected from drop-down menu.
User can change the values of the setpoints by dragging the numbers or the comfort range up and down.
With the mobile application, enabling geo-fencing will automatically switch to away mode when outside the radius.
- Settings must be configured in the mobile application.

Air quality

The air quality screen displays indoor air quality levels, outdoor air quality, and weather (when connected to the internet and paired with the app.)
If air quality sensors are not installed, indoor air quality is based on filter life cycle and humidity values.
Selecting indoor air quality from the air quality screen allows you to access one clean and air quality history.
One clean runs the fan, at high speed for three hours, to circulate and filter the indoor air.

Settings

Settings gives you access to additional supporting features:

Display.
Adjust and enable visual features.
Comfort.
Set target humidity.
Configuration.
App. account setup
Dealer information
Date & Time
Enable messages/view alerts
System components
Home Wi-Fi

Mobile Apps

Account set-up

Setting up an account is a four-step process.

Downloading the application from your IOS or Android application store.
Creating the account.
Confirming your account.
Adding the thermostat’s location.
Connecting the app to the thermostat.

Note: A mobile device, the Daikin One+ connected to Wi-Fi that is wired to a communicating system and a valid email address is needed to create a mobile account.

Step 1 – Create the account

Tapping create one at the bottom right corner of the login screen will start the process.
Before agreeing, read the terms and service, privacy statement, and other notices.
Fill in your name, valid email address, and password.

Step 2 – Confirming the account

You will be prompted to access the email address you provided when creating the account.
A welcome email will appear in your inbox providing a six-digit code.
Entering the six-digit code on your phone app. will allow you to continue.

Step 3 – Adding the thermostats location

Enter the email and password associated to your mobile account and tap the login button.
If you have forgotten your password, tap the forgot password link to recover information via email.
Type the address of where the thermostat is located to gather accurate information.

Step 4 – Connecting the App to the thermostat

With Wi-Fi enabled on your thermostat, access your account to retrieve the six-digit code.
Type the six-digit code displayed on your thermostat into the space provided on the mobile app.
Tap connect to continue and operate the Daikin One+ from your mobile device.

Mobile Apps

Reference

Download manual: Daikin TRC-3 One+ Smart Thermostat Installation Guide

Daikin TRC-3 One+ Smart Thermostat Installation Guide

Daikin TRC-3 One+ Smart Thermostat Installation Guide