beca BAC-003 Series WiFi Thermostat Fan Coil User Guide

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BEFORE WIRING AND INSTALLING...  

BAC-003 Series WiFi Thermostat  

User Guide  

FEATURES  

On Appearance  

Press to do the adjustment of weekly programmable.  

Then press to change the different items. Press  

1. Read these instrucꢁons carefully. Failure to follow them could damage  

the product or cause a hazardous condiꢁon.  

2. Check the rathings given in the instrucꢁons and on the product to make  

sure the product is suitable for your applicaꢁon.  

3. Installer must be a trained, experienced service technician.  

4. Aꢃer installaꢁon is complete, check out product operaꢁon as provided  

in these instrucꢁons.  

or  

to set  

1. 86mm hidden box and European 60mm round box is suitable.  

2. Full white appearance, perfectly integrated into your family.  

3. LED matrix light, simple display, energy saving, protect your eyes.  

4. Touch buꢀons to make simple operaꢁon.  

5. Amazing Silver Frame opens your modern life.  

6. The visiable thickenss above the wall is only 12mm.  

7. Interlock to connect gives you easy installaꢁon.  

On Funcꢀonality  

1. Powerful funcꢁons are available such as WIFI/Modbus etc,.  

2. 0.5℃ Acuracy keeps temperature within the level you set.  

3.℃ or ℉ can be customized.  

4. Data memory when power is off.  

5. 5+2 six periods programmable maximize comfort and economy.  

6. Temporary programmable.  

7. All seꢂng languages sunchronize your ꢁme zone, address and  

language.  

8. No limit to add thermostats in App and support Smart Scene..  

9. Creat thermostat group to Centralized control.  

10. Integrate with Amazon Echo, Google Home, Tmall Genie.  

11. Support device sharing.  

day – three Comfort periods - 1, 3 & 5 (the temperature required when  

room is occupied) and three Economy periods – 2, 4 & 6 (the temperature  

schedules can only be carried out when in program mode;Touch M  

(mode) to change between manual mode  

HOME SCREEN QUICK REFERENCE  

CAUTION  

Week  

Heaꢁng  

Clock  

Electrical Shock or Equipment Damage Hazard. Can shock  

individuals or short equipment circuitry.  

the screen.Touch the icon  

period Press the icon and use the and arrows to set the temp.  

for the 1st period. Repeat this process for periods 2 – 6. Press the icon  

Cooling  

Fan  

WIRING  

Lock  

Valve on / off  

Room temp  

AC95-240V 50~60Hz  

the top of the screen). Repeat the above process to set the weekend  

schedule. .Press  

L

AC95-240V 50~60Hz  

For Fan Coil Unit  

Cooling  

Valve  

L

Set temp  

Fan speed  

Auto Fan  

once more to confirm and exit.  

Valve  

M

Heaꢁng On  

Valve  

Fan  

Welcome  

Thank you for your purchase.  

Fan  

M

M

Energysaving  

Programmable  

Manual  

WEEKDAY (MONDAY – FRIDAY)  

(1 2 3 4 5 shows on screen)  

WEEKEND (SATURDAY)  

(6 shows on screen)  

WEEKEND (SUNDAY)  

(7 shows on screen)  

Period  

WIFI  

Time display  

Your new thermostat will provide uniform and comfortable  

temperature control throughout every room in your property. We  

bring together technology,  

materials to provide you with a safe, reliable product combined with  

sleek, contemporary design.  

12.0  

29.9  

TIME  

TEMPERATURE  

TIME  

TEMPERATURE  

TIME  

TEMPERATURE  

DIMENSION  

。

。

。

06:00  

20  

20  

C

Period 1  

Period 2  

20  

15  

C

06:00  

08:00  

11:30  

06:00  

08:00  

11:30  

13:30  

20  

20  

C

Sleeping  

。

。

。

C

08:00  

11:30  

C

C

。

。

。

86.0  

Power  

On/off  

20  

20  

20  

C

Period 3  

Period 4  

Period 5  

15  

C

20  

20  

20  

C

Mode Fan  

Up  

Down  

。

。

。

13:30  

17:00  

C

C

13:30  

17:00  

15  

22  

C

A (RED)  

B (WHITE)  

。

。

。

Modbus  

A (RED)  

B (WHITE)  

C

C

C

Modbus  

17:00  

22:00  

programming manual for comprehensive  

thermostat. Please also  

ensure a suitably qualified person installs your thermostat and  

OPERATION  

During Power On  

。

。

。

Period 6  

22:00  

15  

C

15  

C

22:00  

15  

C

Two Pipe, On/off  

Four Pipe, On/off  

1.Power On/off: Press to turn the thermostat on/off.  

2.Manual & Programmable  

During Power Off  

When power is off, press and hold  

Then press to change the different items.  

INSTALLATION  

50.2  

Press and hold  

and press to select weekly programmable.  

,

will flash. Press  

to select manual  

In the box you will find  

2pc  

1pc  

3.Seꢂng Temperature  

In the mode of manual, press  

1pc  

1pc  

1pc  

Screws  

Wall plate  

Thermostat  

User Guide  

to set temperature.  

Step 1. Keep the electricity off. See Fig 1.  

will display in below the middle of the screen..  

4.Locking your Thermostat  

Code  

Function  

Temperature  

compensation  

Setting and options  

Default  

QC Passed  

1

-7 to 7 ℃  

-1  

Press and hold the  

thermostat.  

for 5 seconds to lock/unlock your  

00:When room temp. reaches the set point,the  

fan will turn off  

01:When room temp. reaches the set point,the  

fan will turn to low speed  

00:All buttons are locked except power button.  

01:All buttons are locked.  

ABOUT YOUR THERMOSTATS  

2

Fan control  

00  

BAC-003 series Modern Round T ouch Screen Room Thermostats  

In item 3 of high senior opꢁons, you can select full lock or half lock.  

5.Selecꢁng System Mode  

Press to change the system mode HEATING, COOLING and  

VENTILATION. In the mode of VENTILATION, the valve is off but the  

fan runs.  

6.Seꢂng the Fan Speed  

Press go to select the fan speed AUTO, HIGH, MED, LOW.  

7.Restore Manufacturer Defaults  

Press the Restore Manufacturer Defaults ,you can reset thermostat.  

Steps: Open your app - go into your room - click menu on the top  

right corner - move to the end - Press Restore Manufacturer Defaults.  

Adjusꢁng/Seꢂng the Clock  

TECHNICAL DATA  

Power Supply: 95 ~ 240 VAC, 50 ~ 60HZ  

Fan Relay Amps Resistance: 5A; Inducꢁve: 3A  

Valve Relay Amps Resistance: 3A; Inducꢁve: 1A  

Sensor: NTC3950, 10K  

Set Temp. Range: 5 -35 ℃  

Accuracy: ±0.5 ℃  

Dispaly Temp. Range: 5 ~ 99℃  

Ambient Temp.:0~45 ℃  

3

4

Button Locking  

1

00:Cooling / Ventilation.  

01:Cooling / Heating / Ventilation.  

Mode Select Custom  

01  

temp. as reaching the aim of comfort and saving energy.  

Min.Set Temp.  

Max.Set Temp.  

12/24 hours  

5

6

7

5-15℃  

15-35℃  

00:12h 01:24h  

5

35  

01  

MODEL DEFINITION  

A : Two pipe; Control Fan Coil Unit and Two Wired Motorized Valve  

Step 3. Connect power supply, load into the appropriate terminals.  

(see “Wiring your thermostat” for details and Fig 3).  

00: Display both set temp. and room temp.  

01: Display set temp. only  

00:Energy saving Mode 01:Non-energy saving  

Mode  

8

9

Display Mode  

00  

00  

Energy-saving Mode  

M

: Two pipe; Control Fan Coil Unit and 0-10V Motorized Valve  

the box. See Fig 4.  

E : Four pipe; Control Fan Coil Unit and Two Wired Heat Valve and  

Two Wired Cool Valve.  

Energy-saving Heating  

temperature  

A

B

10-30℃  

20  

26  

Ambient Humidity: 5 ~ 95 % RH (Non Condensing)  

Storage Temp.:-5~ 45 ℃ Timing Error: < 1%  

Power Consumpꢁon: <1.5W  

Energy-saving Cooling  

temperature  

10-30℃  

C

Deadzone Temp.  

Daytime display  

brightness  

1-5 ℃  

1

3

Press and hold  

minute,hour and  

,

will flash. Press  

to set  

Shell Material: PC +ABS ( Fireproof)  

K : Keycard  

T : Clock  

D

0-9  

Installaꢁon Box: 86 * 86mm Square or European 60mm Round Box  

Wire Terminals: Wire 2 X 1.5 mm² or 1 x2.5 mm²  

Protecꢁon Class: IP20  

W2 : Window  

P : Programmable  

Night display  

brightness  

weekday. by using the arrows, aꢃer 3 seconds the value  

will be confirmed automaꢁally.  

E

F

0-9  

0

E : External Sensor  

For example: BAC-003ALW  

00: User setting 01: Power on back to factory  

setting  

Back to factory setting  

00  

Buꢀons: Capacꢁve Touch Buꢀons  

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	beca BAC-003 Series WiFi Thermostat Fan Coil User Guide
Make	BECA
Language	English
Filetype	PDF (Download)
File size	1.47 MB

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• BECA

beca BAC-003 Series WiFi Thermostat Fan Coil User Guide Overview

Summary of Contents

• Page 1: Before wiring and installing, read these instructions carefully to avoid damage or hazardous conditions. Check the ratings provided to ensure the product is suitable for your application. Installation must be performed by a trained, experienced service technician. After installation, verify product operation as instructed. The thermostat features a full white appearance that integrates perfectly into your home. It includes a simple display with energy-saving LED matrix light. Powerful functions such as WiFi and Modbus are available. The thermostat can maintain temperature accuracy within ±0.5°C. It supports multiple programmable periods for comfort and economy. The device can integrate with smart home systems like Amazon Echo and Google Home.
• Page 2: AP mode allows configuration when the thermostat is off. EZ mode requires pressing specific buttons to configure Wi-Fi settings. Before first use, the Wi-Fi signal must be configured through a smartphone or tablet. The app Smartlife can be downloaded from the Apple Store or Google Play. Account registration and installation should follow the app's guidance. Thermostat sharing with family is possible after connecting to the hotspot. Multiple thermostats can be grouped for management. The tutorial provides steps for connection and setup. Network configuration can be done by scanning a QR code. The app operation interface includes various thermostat settings and modes.