Technical Specifications

1) Cold water Tank: 80 lit capacity, MOC: FRP
2) Hot water Tank: 80 lit capacity, MOC: FRP/MS with insulation. There should be facility to control temperature of this tank using a digital controller and electric heaters.
3) Plate type heat exchanger, no. of plates 9, MOC SS
4) Piping material: corrosion resistant Fusion PPR piping
5) Cold water Pump: Centrifugal pump capable of delivering 1000 lph flow at 3 bar 2 nos.
6) Hot water Pump: With Mechanical seals. Centrifugal pump capable of delivering 1000 LPH flow at 3 bar, 2 nos.
7) Pneumatic Control Valve: ½”, equal percentage characteristic. Input 3 to 15 psi. Flanged connection. Air to open type, Body material cast iron or better, Mounting: flange type, Actuator type: diaphragm, (Note: actuator and body assembly should detachable type not a single mould or miniature), Seating: double seated with upper and bottom bonnets, Make Samson Controls, Dembla or equivalent
8) Pt100 type temperature sensor

9) Temperature transmitter: Input: Pt100, Output 4 to 20 mA. HART protocol capable.
10) I/P Converter: Input 4-20 mA, Output: 3-15 psi
11) Airs filter Regulator: ¼” connection size, transparent bulbs, with pressure gauge. Input: 0-10 kg/cm2, regulated supply: 0-2 kg/cm2. Filter: 25 micron.
12) Colored Mimic depicting the process, size: 1000 mm x 700 mm (minimum)
13) HART Indicator: With LCD indicator. 15 units having HART protocol can be connected to this one unit.
14) PID Controller
– With HART protocol enabled
– LED/LCD display, display color green/black, for PV in operation mode, Set contents in setting mode
– LED display, display color red, for SV, OUT, PID, AL1, AL2 in operation mode
– Full Multi-range input (Thremocouple, RTD, DC Volts and current defined by input selector switch)
– Control output multi-function (On-Off pulse, SSR drive, current, current defined by input selector switch)
– Auto tuning and Fuzzy functions
– Sampling cycle: Approx. 0.2 sec
– Facility to bypass PID mode (Also known as Auto/Manual Mode)
– LED for Alarm display
– Hard changeover for switchover from manual to auto mode.
– 230 V AC operated
15) Interface Unit:
16) 8 channel analog input, 4-20 mA/0- 20 mA
17) 1 channel analog output, 4 –20 mA
18) Interface with PC through USB port
19) Control Panel Box: To house electricals as well as instrumentation. MOC: MS
20) PC: Latest specifications with pre-loaded Windows and control software
21) Software: Lab view Based SCADA Software for controlling the parameter. Software should be capable of Feedback, Feed forward, Cascade, Ratio and On- off control schemes. The software should have following facilities,