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Breeze BC104W-4D Datasheet

Breeze BC104W-4D Datasheet

Product catalog summary

Technical Specifications
The BC104 HVAC Programmable Thermostat is compatible with 2-pipe and 4-pipe fan coil systems, operating at 230 Vac 50/60 Hz. It features a 3.2” LCD display and supports both relay on/off and 0-10Vdc options for fan and valve outputs. Communication is facilitated through WiFi and Modbus RS485. The device has a standby power consumption of ≤0.5 W and functions within a temperature range of 1°C to 85°C. It is encased in a PC + ABS plastic enclosure with an IP21 rating.

LCD Display Features
The display includes icons for various modes such as WiFi, week, auto, heat, cool, holiday, hold function, time, temperature, and fan speed. Icons flash to indicate active features.

Operational Procedures

Key Functions: Includes keys for menu access, confirmation/on-off, and settings adjustments.
Power Control: Toggle the thermostat's power with a key press.
Temperature Adjustment: Use increase/decrease keys to set the desired temperature.
Mode Selection: Choose from heat, cool, vent, and auto modes.
Fan Speed Settings: Options include high, medium, low, and auto.
Schedule Configuration: Set week, time, and schedule settings.
Hold Function: Maintains the set temperature until deactivated.
Key Lock Function: Locks/unlocks keys with a long press.
Valve and Fan Output Modulation: Controls 0-10VDC modulate valve and fan outputs.
Holiday Mode: Adjust settings for holiday days.
Factory Default Schedule: Includes default schedules for weekdays/weekends and 7-day programming.
Optional Settings: Covers model number, fan running mode, power-off/on data saving, key lock, schedule mode, temperature format, differential, etc.

Installation Wiring Diagram
Provides detailed connection instructions for installation.

App Operation Guide

Step 1: Download the Smart Life/Tuya app.
Step 2: Register using email or mobile number.
Step 3: Create home information in the app.
Step 4: Connect to Wi-Fi (2.4G band required).
Step 5: Use the app to set temperature and schedule.

Thermostat Settings Overview

Lock/Unlock Key: Secure or access thermostat controls.
Holiday Days: Configure specific days for adjusted temperature settings.
Temperature Format: Choose between Celsius or Fahrenheit.
Temperature Limits: Define minimum and maximum temperature limits.
Sleep Mode: Enable or disable energy-saving sleep mode.
Work Mode: Select between Heat, Cool, Vent, or Auto modes.
Schedule Type: Set scheduling preferences: 5/2, 7, or none.
Hold Function: Enable or disable to maintain a constant temperature.
Input Type Setting: Configure the input type for the thermostat.
Modulate Valve Output Voltage: Adjust voltage for the modulating valve.
EC Fan Output Voltage: Adjust voltage for the EC fan.
DI Input Status: Check digital input status.
Firmware Version: View the current firmware version installed.

Catalog excerpts

LCD Display Technical Data Purpose Of Control Supply Voltage Relay Rating 2 Pipe, 4 Pipe Fan Coil System 230 Vac 50/60 Hz means when this feature or is activated the icon will flash Relay On/Off 0-10Vdc (Option)

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Outline Dimensions Press the key == again, the hour flashes, Press " or + to adjust the hour Press the key == again, the Minute flashes, Press ' or + to adjust the Minute 3) Set the schedule Press the kev •= aqain, the Week icon flashes, Press —or weekday/weekend or Week Press the key — again, the first timer hour flashes, Press —or + to adjust the hour Press the key == again, the first timer minute flashes, Press —or + to adjust the minute Press the key == again, the first timer temperature flashes, Press —or + to adjust the temperature You can continue to press == to set the second timer, third...

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Modulate Valve output diagram 10. Modulate Fan Output 5-2 Day Factory Default Schedule BC104 could control the 0-10VDC EC fan, its outputs flow the rules in the picture below: 11. Setting Holiday With thermostat is in ON status: Press the key == three times, there are two big numbers flashes in the middle of the screen and Holiday Mode icon shows up, that is the holiday days , Press —or + to adjust the holiday days. If the number is not 0 it means holiday is enabled, thermostat will work in defrost set temperature till the holiday days is over. 13. Optional Settings Turn off thermostat - press...

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Optional Settings Explained Feature 01-Model number: this function is used to set which HVAC system the thermostat work with . Feature 02-Fan running mode: this function is to set fan if it always run or not Feature 03-Power-Off/On data saving: this function is to set if thermostat is on or off when the power supply is off and on. Feature 04- Key lock: keylock option Feature 05-Schedule Mode: Non-Programmable(OFF), Weekday/Weekend (5/2),7 Day Programming (7). Weekday/Weekend (5/2) - allows you to program 4 levels for the weekday and 4 different levels for the weekend. 7 Day Mode - Each day has...

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-0.4, it is 21.1-21.5 = -0.4; Feature 20-External sensor: use can set the external sensor mode: replacing the internal sensor or water pipe temperature Feature 21-Cool water temperature of boosting fan: this is a set temperature for Cooling mode, if the water temperature higher than this setpoint the fan would not run, or else the wind from fan will be warm fan. Feature 22-Heat water temperature of boosting fan: this is a set temperature for Heating mode, if the water temperature Lower than this setpoint the fan would not run, or else the wind from fan will be cold fan. Feature r -Reset to factory:...

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Step 4 Connect To Your Wi-Fi The router needs to be 2.4G band. Ensure the Bluetooth is turned on Thermostat Operation: 1. Turn off thermostat (press key'/ to turn off ) 2. Press and hold H” key 5 seconds until countd own number appears in the middle of the screen an d the WiFi icon is rapidly blinking. 1. Press "Add Device" or "+" in the upper right c orner of the app then to check if it show up this thermostat automatically, press the buttons on the App screen to finish adding device to the App. This may typically take up to 5~90 seconds to co mplete. Note:If you get an error message make sure...

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Breeze BC104W-4D Datasheet

Breeze BC104W-4D Datasheet

Catalog excerpts

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