BC105S-AC User Manual Surface Mounting AC&HP thermostat are widely used in all commercial and residential buildings room temperature control, accuracy control provides you comfortable environment, and have the effect of saving energy and reducing up to 30% power consumption. This universal thermostats work with: w 2 Stage Compressor, 2 Stage Heating, Single Speed Fan w Single Stage Compressor, Single Stage Heating, Three Speed Fan w 2 Stage Compressor, Cooling Only, Three Speed Fan Heat Pump Type (HP): w 2 Stage Compressor, Reversing Valve(O/B), Single Speed Fan w Single Stage Compressor, Reversing Valve(O/B), Three Speed Fan w Single Stage Compressor, Reversing Valve(O/B), Auxiliary Heat, Double Speed Fan Other Features: w Timer/Programmable(model No. with T Only) w Modbus communication(model No. with M Only) w Dry contact for window or door, Hotel card holder w External sensor for air temperature Model Number Modbus Communication _ Power Supply - BC105S-ACDTM means: Surface Mounting, AC&HP type, Dry Contact & External sensor, Programmable, Modbus 2. Temperature setting range: 5-35°C 4. Temperature control Accuracy: ± 1°C 5. Fan type: Single speed Auto or On 7. Remote Sensor Type: NTC10K. B=3950 8. Communication: Modbus 4800,9600,19200bps baud rate 9. Dry contact: for window, door or hotel card holder 10. Storage temperature: -20C~60C; Operating temperature: 0~50°C 15. Product Color: white RAL9010 16. Installation type: Surface mounting; Hole pitch: 60mm User Guide: ON/OFF: Press power button to switch ON and OFF thermostat. Temperature Setting: Press “ ^ ” to reduce temperature, press “ ^ ” to raise temperature Mode: Press “M” to change mode between Cool 3ft, Heat ^ , mode will be confirmed by pressing other button or automatically after 6 seconds Fan: Press and Hold “‘S'” and 3 seconds and press to change between fan (ON) and Fan(Auto), ON means when the room temperature reaches the setpoint, the fan will keep running, and Auto means fan stop after room temperature reaches the setpoint. Under Fan ON mode, press “*S*” to change the fan speed if your system type is with multi-speed fan Under Fan Auto mode, press “'5'” to change the fan speed, and the icon will go back to *S*"'"’after 5seconds, for example, change the fan to high speed fan'*'*^— , after 5seconds, the fan icon will go back to and the fan will run as high speed fan at the background Backlight: Any key press will activate the backlight. Backlights will timeout 6 seconds after last key press. Keypad Lockout: (ONLY available when Item 11 set to 1/2/3): Press “^”and “^” for 3 seconds to lock the buttons and press “ ^ ”and “ ^ ” for 3 seconds to unlock. Clock (Model No. with T Only): Power on thermostat, press “M” for 3 seconds 1, the symbol hour flash, press ^or ^ to adjust hour 2, press “M” key, minute flash, press “^” or “^” to adjust minute 3, press “M” key, week flash, press “ ^ ” or “ ^ ” to adjust week Timer on/off (Model No. with T Only): Repeat the Clock steps 1~4 above 1, Timer on and hour flash, press “ ^ ” or “ ^ ” to adjust hour 2, press “M” key, minute flash, press “^” or “^” to adjust minute 3, press “M” key, Timer off and hour flash, press “ ^ ” or “ ^ ” to adjust hour 4, press “M” key, minute flash, press “^” or “^ ” to adjust minute 5, press “M” or wait 6 seconds to confirm Note: This function only acts once and valid on current day. Programmable (Model No. with T Only): Power on thermostat, press “M” and for 3 seconds 2, Press “ ^ ”and “ ^ ” to set start hour 3, Press “M” and use “^ ” “^ ” to set start minute 4, Press “M” and use “^” “^ ” to set desired temperature 5, Press “M” to enter event 2/3/4 and repeat step 2~4 6, Press “M” to edit “Sat & Sun” and repeat step 1~5 7, Press “M” or wait 6 seconds to confirm all the settings above Parameter Settings: Switch off the thermostat and press “M” and 5 seconds to enter parameter setting menu, press the “M” or “*5”’ to change the item, and press “ ” to change the value, after you finish all settings, the thermostat will storage all the setting and switch off in 20Seconds automatically

Table Explanation: 1-Selectable System Type: Select the system is AC or HP 3-Sensor Type: 1: Internal sensor only. 2: external sensor only Mount the room thermostat on the conduit box. Do not mount on a wall in niches or bookshelves, behind curtains, above or near heat sources. Mount about 1.5 m above the floor 4&9&10&16- -Reserved 5-Unoccupied Status: when the hotel card is pulled out, the unoccupancy status will be: 0: no output; 1: thermostat will work in energy saving mode with setback setpoint, fan will run at low speed 7- Display Temperature adjustment: you can calibrate the room temperature...