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.
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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.
| 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℃ |
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Floor Setpoint: |
20~90℃ |
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Accuracy/Tolerance : |
+/-1℃ |
| TimingTolerance : | <1% |
| Thermistor: | NTC10Ω@25 ℃ |
| Storage Conditions Temp: | -10~60 ℃ |
| Humidity: | <90% r.h. |
