Dettson R02P033 2-Stage WiFi Thermostat Instruction Manual

: June 6, 2024
: Dettson

dettson

Dettson R02P033 2-Stage WiFi Thermostat

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL AND SYSTEM COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

PRODUCT OVERVIEW

The R02P033 2-Stage WiFi Smart Thermostat combines user-friendly touch sensitive buttons with WiFi wireless smart control application, offering unparalleled user control. Its efficient control (local and remote wireless) system, can save up to 32% of heating and cooling costs. It includes a local energy-saving programmable solution to provide highly accurate temperature control (full 7-day schedule), as well as a remote wireless control through the application to easily bring a comfortable lifestyle with total control. The App supports Google Home and Amazon Echo integration.

FEATURES

This thermostat has been designed to control conventional heating and cooling system or heat pump system.

• Compatible with Google Home and Amazon Echo
• Touch sensitive buttons
• 4.3” LCD screen clear display
• White backlit display
• White bright digits
• Apps for IOS and Android devices

SPECIFICATIONS

Power Supply: 24VAC 50/60Hz
Power consumption: 2W
Dimensions: 136 x 94 x 26mm
Max Output Current: 1A (Resistive load)
Sensor: NTC Thermistor
Temperature setting range: 5-37°C
Accuracy: ±0.5°C
FCC Certificate

WARNING

Thermostat installation and all components of the control system shall conform to Class II circuits per the NEC code.
To prevent electrical shock and/or equipment damage, disconnect electric power to system at main fuse or circuit breaker box until installation is complete.
MERCURY NOTICE: This product does not contain mercury, but it may replace a product that contains mercury. Mercury and products containing mercury must not be discarded in household trash. Do not touch
any spilled mercury. Wearing nonabsorbent gloves, clean up any spilled mercury and place it in a sealed container. For proper disposal of a product containing mercury or a sealed container of spilled mercury, place it in a suitable shipping container. On the Internet, visit www.switchthestat.ca.com for a location where the product containing mercury can be sent.

Installation

Wiring

Step 1:
Separate the thermostat from its base by holding point A and B and pulling apart. Insert the wires into the corresponding terminals following the wiring diagram for the appropriate system. Fasten the wall plate to a mounting box with the provided M x 25 mm screws. Ensure the proper orientation of the wall plate with the arrows on it pointing Up. wiring

Step 2:
Double check the wiring and then evenly push the face plate into the wall plate until both parts fit tightly. wiring 1

Wiring Diagram

wiring diagram

(a) Conventionnal system
(b) Heat pump system

Terminal	Definition	Information
RC	Cooling Power (2 transformers)	Jumpered with R (only one transformer)
R	Heating Power
W (O/B)	Heating output	Reversing valve output (heat pump)
Y	Cooling output	Compressor output (heat pump)
G	Fan output
Y2	Cooling output 2	Compressor output 2nd stage (heat pump)
W2 (AUX)	Heating output 2	Auxiliary heat output (heat pump)

System Modes

#	Type	Terminals	System	Compressor delay
0.0	1H/1C (conventional)	R, C, W, Y	****

Conventionnal

| ****

N/A

1.0| 1H/2C| R, G, W, Y, Y2
2.0| 2H/2C| R, G, W, Y, W2, Y2
3.0| 2H/1C| R, G, W, Y, W2
4.0| 1H/1C| R, G, O/B, Y| ****

Heat pump

| ****

1 min (default)

5.0| 2H/1C| R, G, O/B, Y, AUX
6.0| 2H/2C| R, G, O/B, Y, Y2
7.0| 3H/2C| R, G, O/B, Y, AUX, Y2

Operation

Display and Controls

disp;y and control

Temperature set point can be adjusted using and . Normal display resumes after a short delay, or by pressing .

Display Settings

Temperature display
Not available in Hold or Hold Until modes.
On the main screen, press and simultaneously to switch the display between degrees Celcius and Fahrenheit.

Setting the clock
Not available in Hold Until mode.
Press and hold for 3 seconds to enter the clock setting interface. 00 will be displayed. Adjust to the current year using and . Once set, press to switch to month setting (01). Repeat to set the month (01), day (02), hours (03) and minutes (04). Press to save and exit.

Operating Settings

Operating Mode
At the main display, slowly press to switch among Heat, OFF, Cool and Auto. After the state change, Set to will be displayed and the temperature value will flash for 5 seconds. During this time, the temporary temperature set point can be adjusted.

OFF: In this state, the system will not be running.

Auto: In this state, the system will maintain the set temperature, automatically switching between heating and cooling based on room temperature.

Heat: If the room temperature is 1°C colder than the set point, the thermostat will display Heat on and activate the first heating stage. If the room temperature is 2°C colder than the set point, the second stage will be activated (2-stage systems only). The second stage is deactivaed when room temperature is within 1°C of the set point. The first stage is deactivated when room temperature reaches the set point.
With a heat pump system: the reversing valve is activated. Below 3 degrees, auxiliary heat is activated and AUX will be displayed on the thermostat. Otherwise, AUX is displayed on the 2nd stage.

Cool: If the room temperature is 1°C hotter than the set point, the thermostat will display Cool on and activate the first cooling stage. If the room temperature is 2°C colder than the set point, the second stage will be activated (2-stage systems only). The second stage is deactivaed when room temperature is within 1°C of the set point. The first stage is deactivated when room temperature reaches the set point.
With a heat pump system: the reversing valve is not energized.

Compressor Protection
After an operation of the heat pump, there will be a one minute off delay to protect the compressor. Wait will be displayed if another request is made during this delay.

Fan Mode
Press to switch between Fan On and Fan Auto.
When Fan On is selected, the circulating fan is always on. When Fan Auto is selected, the circulating fan will run only when there is a heating or cooling demand. If the system mode is set to OFF, the fan will always be off.

Schedule Settings

Press to switch between Schedule, Hold and Hold Until (Holiday) scheduling options.

Schedule
Each of stand for one time period of the day.
To set the schedule, press under the time setting interface. Then, select the schedule format between 7 days (each day set individually), 5+2 days (different settings for weekend)or 1 day (same setting for each day).

Press and then use and to set the blinking hour, minute and temperature value for the chosen time period.
Press to switch to the temperature setting, and adjust using and .
Press to switch to the next time period of the current day, and repeat steps 1 and 2. Press to save and switch to the next day.

Once the schedule is set, press F to return to the main display.
Factory default schedule:

Period	Time	Parameters	Fan
Heating	Cooling / Auto
1	06:00	21.0°C	25.5°C
2	08:00	16.5°C	29.5°C
3	18:00	21.0°C	25.5°C
4	22:00	16.5°C	28.0°C

Hold
In this mode, the thermostat will permanently maintain the set temperature. Schedule is disabled. Hold and Set to are displayed and the temperature is blinking. Set the value using and . Save the setting using .

Hold Until
In this mode, the thermostat will maintain the set temperature for an adjustable number of days (for holidays) before returning to the schedule.
Hold and Set to are displayed and the temperature is blinking. Set the value using and . Save the setting using . Then, select the number of days (between 1 and 180).

Temperature Override
During any schedule period, press buttons to override the temperature setting, and press F to confirm. Changes only apply for the current period.

WiFi and App

WiFi Network Configuration

1. Power on the thermostat.
2. Press for 3 seconds, until the WiFi icon starts blinking.
3. Use or until -E- is displayed, and confirm with .
4. Follow the instructions indicated on the phone application.

Mobile App
To download, search “Plus Thermostat” in the App Store or Google Play, or scan the QR code on the cover page of this manual.
Access rights can be shared between users registered with the application.

Specific Messages

Filter Cleaning Reminder
Filter will periodically be displayed on the screen as a reminder. The default period is 90 days. To clear the message, hold for 3 seconds.
Sensor Error
If FF flashes instead of the temperature display, there is an error with the temperature sensing circuitry of the thermostat. The system will not operate while this error is displayed.

Factory Reset

To reset all settings to factory defaults, hold and for 3 seconds.

In Schedule mode, hold and to reach the installer menu. Password is 5138.
Use and to change the setting. Press to move to the next menu item.

Item	Parameter	Range	Default	Note
Pb	O/B selection	0.0 / 1.1	0.0	0.0: 0; 1.0: B
0	System mode	0.0 – 7.0	0.0	See section 1.3
1	1H/1C differential	0.5 – 2.2°C	1.0°C
2	Temperature adjustment	-10 – 10°C	0.0°C
3	Max. set point	0 – 37°C	37.0°C	max. > min.
4	Min. set point	0 – 37°C	5.0°C
5	Filter change reminder	1 day – 120 days	90 days
6	Clock format	12 / 24 h	24.0
7	Compressor protection delay	0 – 10 min	1 min
8	Backlight	OF / ON	OF	ON: Always ON