- Great performance with excellent RTD sensor element - 2-Wired 4~20mA output - IP65 class for the extreme condition use
Economical and stable Various input sources for valve open ratio control Compatible with various refrigerants Smart-rail mount (DIN 35 rail) Micro step drive/1/65000 control
Integral & flush type transmitter Application of high resolution graphic LCD Capacitive touch button Displays four measured values (T, RH, dT, differential pressure) Display function of trend data graph 2 digital alarm outputs 3 analog (4~20m A) outputs RS485 modbus RTU communication Front cover made of stainless steel
Related parameters Fluid: R22, R407C, R410A + refrigerant oil Ambient temperature: -30 - 60°C (conductivity less than 50%) Rated voltage: DC 12V ±10%, rectangular Wave Drive: step motor phase 4 Excitation: phase 2-2 Excitation speed: 100PPS-250PPS Flow direction: bi-flow Full stroke: 2000 pulses
1. Main feature: Heavy industrial CE approved 100V/m EMI protection Reverse polarity protection Extended temperature range 1% total error band Compact outline 2. Specifications: Range: 0 to 16bar Overload pressure: 2 times of rated pressure Burst pressure: 3 times of rated pressure Accuracy: ±1%F.S Analog signal output: 4-20mA Wiring: 2 wires Power supply: 9-30V DC Pressure port: NPT1/4
Best reliability and stability High density sintered alloy filter and electrostatic thin film element Excellence under the damp-proof and dust-proof conditions Low voltage and long-distance transmission Analog signal transmission (4-20mA)
Efficient control of multiple air compressors Intelligent balance control by rotation Large display and easy-to-use user interface Trip data log Convenient maintenance Analog signal output Compact all-in-one type with high performance and powerful functions RS485 communication (Modbus) and scalability
3-step fan speed control (low/mid/high) All-in-one (control and display) Easy-to-use control Auto save and restoration of parameter values Self-diagnosis
High resolution of differential pressure Pressure unit selection and variable range display Excellent long-term stability Sensor error detection Analog signal output (4-20mA) and range configuration RS485 communication (Modbus/ASCII)
- Built-in digital motor protection function of digital types - Can check motor current and cause of failure via data display - Has a variety of protective elements (overheating, overcurrent, undercurrent, lock protection function) - Be easy to check the cause of failure by storing the last one - Built-in switching type power supply (light weight and energy saving by low power consumption) - Built-in open type standard communication protocols (MODBUS RTU) - Built-in fuse disconnection detection function
Pressure range: -199-500Pa (-0.8-2.0 inch H2O, -20-50mm Aq) Compact panel-mounted controller High resolution of differential pressure Excellent long-term stability 2 relay or 2 NPN-TR outputs Analog signal output (4-20mA) configuration RS485 communication (MODBUS/ASCII)
- User-friendly intuitive UI - Easy and convenient touch switch - Various applications (Door types, light control, and circulation fan) - 16 powerful timers (Trip log) - Special Technical Support by Dotech
Digital integration with analog switch and gauge An integrated control for high, low-pressure protection and high-pressure fan Various selectable display units such as MPa, kgf/cm2, bar and psi Automatic/manual reset, selection of various refrigerants Precise pressure control, sensor offset and sensor error detection
Digital integration with analog switch and gauge High-pressure protection, low-pressure protection and oil pressure protection, an integrated high-pressure fan control Various selectable display units such as MPa, kgf/cm2, bar and psi Automatic/manual reset, selection of various refrigerants Precise pressure control, sensor offset, sensor error detection
- Integrated module with temperature, humidity sensor - Up to 100 nodes can be connected (RS485 models) - Compact design, slim size - Easy installation, offer 3 meter cable - Support the various types of communications protocol
Control of multiple rack compressors Control of up to 8 units (compressors and/or CDUs)- default: 4 compressors + 4 condensers Efficient control of multiple units (setting up on/off respectively or between steps) Perfectly even operation time (less than 1 hour of difference in total time) Pressure/temperature control (intake pressure and discharge pressure respectively or linked control) Powerful trip data log (up to 160 events) Optimal control of condensing fan speed (4-20mA PID control) Transmission (pressure and temperature) PC monitoring system via RS485 of MODBUS protocol
Adoption RISC MICOM with high reliability Easy to maintain and analyze troubles of equipment by storing 160 trip alarms log Best calculation function of defrosting timing by various combination of 8 sources Embedded day-timer to enable energy-saving operation Easy expansion due to various analog transmission output function
Temperature and humidity control function, maximum 6 loop of independent step operating function Alternative operation by maximum 4 compressors and 8 heaters Backup operating function Prevention from frequent starting failure occurred by low pressure hunting using low pressure switch in compressor Successive starting function, pump down function and prevention from restarting function Control function for cold water, hot water, steam valve, SCR, damper designed for HVAC (4-20mA PID control) Detection of error in temperature and humidity sensor, alarm function and output of equipment state (cooling and dehumidification and heating and humidification)
Efficient receptor/scroll compressor control and convenient operation and maintenance Various applications (chiller, CDU, spot cooler, water-cooled/air-cooled refrigerator and heat pump system) Trip data log (up to 160 events) Powerful timers (start delay, auto-stop delay and pump-down delay) Temperature and pressure control (inlet/outlet temperature, intake pressure and discharge gas temperature control)
Efficient step/stepless control, convenience for operation and inspection One-touch setup function (choosing the maker automatic setup according to their basic spec) (Bitzer, Hitachi, Refcomp, Fusheng, Hanbell, Mitsubishi, Roltec and Kobe) Strong timer function (step delay, start delay, auto-stop delay, restart delay and pump down delay) Temperature control, pressure control (input temperature, output temperature, intake pressure control, discharge gas temperature control and observation)
