R303 Series 5+2 Day Programmable Heating Thermostat

introduction:R303 Series Heating Thermostat is with stylish design, and take use of advanced technology of single-chip microcomputer. By comparing different temperature between ambient room temperature and set point, thermostat controls relays of heatin

R303Series Heating Thermostat is with stylish design, and take use of advanced technology of single-chip microcomputer. Bycomparing different temperature between ambient room temperature and set point,thermostat controls relays of heating equipments switching on or switching offto make the room constantly and energy-savingly.

Aprogrammer allows you to set ‘On’ and ‘Off’ time periods( 5 Weekdays, Saturdayand Sunday, 6 Time Zone) to suit your own lifestyle, which is most economic andenergy-saving.

 

R303GA is typically used in Water Heating System, controlling NC or NO Valves ordry contacts.

R303GB is typically used in Electric Heating system with Dual Temperature Controls( Room Temperature and Floor Temperature).The pre-set floor temperature is to protect heating equipments from over-heatdamage, to keep the whole heating system safety, reliable and energy-saving. 


Features


Big LCD Display, Blue (Defaulted)/White/Green Backlight

Advanced Technology, Good Anti-interference

5 Working Mode:Automatic Mode, Comfort Mode, Energy SavingMode and Frost Protection Mode

Programmable, 5 Weekdays+2 Weekends 6 Time Zones On/offSettings( 7 days 24 Hours Setting is customized)

Frost Protection, etc.

Buttons Lock for Child Proof

Easy wiring and installation, and can be installed inEuropean and Chinese mounting boxes.


Basic Specification


Power Supply: AC100V~AC240V, 50/60 Hz
Current Load: R303GA   AC 220V   3A        Water Heating
R303GB   AC220V   16A       Electric Heating
Ambient Temp. Range: 0~99.5℃
Setpoint Range:  5~35℃

Floor Setpoint:

20~90℃

Accuracy/Tolerance :

+/-1℃
TimingTolerance : <1%
Thermistor: NTC10Ω@25 ℃
Storage Conditions Temp: -10~60 ℃
Humidity: <90% r.h.


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