RL303 Series LCD FCU Digital Cooling Thermostat
USD $10 - $18 /Unit
Min.Order:100 Units
Xiamen Ronglin Electronics Technology And Development Co., Ltd.
RL303 Series LCD FCU Digital Cooling Thermostat
The RL303 series thermostats take use of advanced electronic elements, and are designed to control devices of fan coil units/valves/dampers in single stage or multi stages heating/cooling system.
The Typical applications include: Homes, Residential buildings, School and Office.
Feature
² Attractive design ,Shiny Button, easy installation and operation
² Different painting colors housing is available (Optional, there is MOQ)
² LCD display with 3 optional backlight colors
² Selectable Heating/Cooling/Ventilating Mode
² High/Medium/Low/Auto Fan Speed, or Single Fan Speed,
² Single stage or Multi stage with On/off, Floating, P&I Modulating and Network controls
² Compatible between 2-wire and 3-wire motorized valve in single stage system
² EEPROM capacity
² Infrared Remote Control Function (Optional)
² RS-485 or Modbus protocol (Optional)
² Key-card contact (Optional)
Back Light | White ( Defaulted), Green or Blue color |
Temp. Display | Celsius (Defaulted), or Fahrenheit |
Working Mode | On/off, Floating,Modulating or Multi-functions |
Sensor | Internal or external |
Usage | FCU System, or AHU System, etc. |
Programmability | Non-programmable &Programmable (5+1+1 days, 5+2 days) |
Network | RS-485, or M-Bus |
Mounting box | Chinese standard/European standard |
Power Supply | 24 Vac~220 Vac + 10%, 50/60Hz | ||
Consumption | 3(1)A | Room Temp Range | 0℃~50℃ |
Set Temp Range | 5℃~40℃ | WorkAmbient | -10-60℃ |
RelativeHumidity | 95%RH | Accuracy | ± 1℃ |
Control Accuracy | ±0.5℃ | Housing | ABS+PC fire-resistant |
Model# | Application | Fan Speed | Customized Functions | |||||||||||
Single Stage( Heating or Cooling only) | Multi-Stage (Heating and Cooling, 2xCooling etc.) | 2-wire Motorized Valve | 3-wire Motorized Valve | Damper(3 x On/ off Speed Fan, or Modulating) | PI(0~10 2-10vdc | H | M | L | Auto | Timer -T | Key-card-K | Network RS-485 Modbus -N | IR Control -R | |
RL303S | √ |
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RL303M |
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| √ | √ | √ | √ | O | O | O | O |
RL303D |
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| √ | O |
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RL303SP | √ |
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| √ | √ | √ | √ | √ | O | O | O | O |
RL303MP |
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| √ | √ | √ | √ | √ | O | O | O | O |
√-Yes The function is available
O-Optional The function is customized
Single stage-2-pipe
Multi Stage-4Pipe or multi stages