RL303VAV Series Digital 0~10Vdc VAV 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)
Specification
| 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 |
Part No
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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| √ | √ | √ | √ | O | O | O | O |
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