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WRT-424 PI Controller

Create: 11/09/2018
Expired Date:12/31/2018
Category: Electronic
Message:WRT-424 PI control can measure temperature through either internally-mounted temperature sensor or external temperature sensor. The switch of internally-mounted or external sensor can be realized through a switching device. The control can figure out the position of actuator by proportional-integral control function so as to keep the target temperature at set point. Features: 1. For 2-pipe FCU, to control 0-10VDC & 4-20mA modulating valve, Fan on/off. 2. For 2-pipe FCU, to control float-point valve, Fan on/off. 3. For 2-pipe FCU, to control 0-10VDC & 4-20mA modulating valve, and 220VAC three-speed Fan (High-Mid-low). 4. For 4-pipe FCU, to control 0-10VDC & 4-20mA modulating valve, and 220VAC three-speed Fan (High-Mid-low). 5. For 4-pipe FCU, to control 0-10VDC & 4-20mA modulating valve, Fan on/off. 6. Fan speed stage and valve open angle both can be displayed in the screen. 7. Password protected programmable for user and control parameters. 8. Blue back light. Application: ● Air system—Supply air cascade control; ● Air/water system—for 2-pipe or 4-pipe HVAC system, radiator or roof refrigeration; ● Water system: Ground heating, radiator or roof refrigeration; ● For temperature controlling of single room, apartment in hotel or meeting room Technical Specification 1. Power Supply: Operating Voltage: 24V AC 50/60 Hz ± 10% Power Consumption: Max 3W Electrical Connection: terminal Connectors Electrical specification: Signal ground = power ground 2. Product standard: Protection class: IP30 Safety Class: III 3. Environment: Ambient temperature: -10...50℃ Humidity:
City:Changsha Hunan[CN] 
Location:
 
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