Walchem WTCW100 Series Instruction Manual

Contents

Walchem WTCW100 Series Instruction Manual Manual pdf 5 page image

4 52.4 Variables and their LimitsSensor input settings Low Limit High LimitConductivity alarm limits 0 30,000Conductivity alarm dead band 0 30,000Cell constant 0.01 10Smoothing Factor 0% 90%Comp Factor (conductivity linear ATC only) 0% 20%Installation Factor (Electrodeless conductivity only) 0.5 1.5Cable length 0.1 3,000PPM conversion factor (only if units = PPM) 0.001 10.000Default temperature -5 500Calibration Required Alarm 0 days 365 DaysFlow meter input settings Low Limit High LimitTotalizer alarm 0 100,000,000Volume/contact for units of Gallons or Liters 1 100,000Volume/contact for units of m3 0.001 1,000K Factor for units of Gallons or Liters 0.01 10,000K Factor for units of m3 1 100,000Smoothing Factor 0% 90%Set Flow Total 0 1,000,000,000Relay output settings Low Limit High LimitOutput Limit Time 1 second 86,400 seconds (0 = unlimited)Hand Time Limit 1 second 86,400 seconds (0 = unlimited)Min Relay Cycle 0 seconds 300 secondsSet Point Low end of sensor range High end of sensor rangeDuty Cycle Period (On/Off, Dual Set-point modes) 0:00 minutes 59:59 minutesDuty Cycle (On/Off, Dual Setpoint modes) 0% 100%Dead Band Low end of sensor range High end of sensor rangeFeed duration (Flow timer mode) 0 seconds 86,400 secondsAccumulator volume (Flow timer mode) 0 1,000,000Feed Percentage (Bleed then Feed mode) 0% 100%Feed Lockout Time Limit (Bleed & Feed, Bleed then Feed modes) 0 seconds 86,400 secondsPrebleed to Conductivity (Biocide mode) 1 (0 = no prebleed) High end of sensor rangePrebleed Time (Biocide mode) 0 seconds 86,400 secondsBleed Lockout(Biocide mode) 0 seconds 86,400 secondsEvent duration (Biocide, Timer modes) 0 seconds 86,400 secondsProportional band (Time/Pulse Proportional mode, IntermittentSampling)Low end of sensorrangeHigh end of sensor rangeSample period (Time Proportional mode) 10 seconds 3600 secondsSample Time (Intermittent Sampling mode) 0 seconds 3600 secondsHold Time (Intermittent Sampling mode) 0 seconds 3600 secondsMaximum Blowdown (Intermittent Sampling mode) 0 seconds 3600 secondsWait Time (Intermittent Sampling mode) 0 seconds 86,400 secondsMax Rate (Pulse Proportional mode) 10 pulses/minute 480 pulses/minuteMinimum Output (Pulse Proportional mode) 0% 100%Maximum Output (Pulse Proportional mode) 0% 100%Analog (4-20 mA) Output settings Low Limit High Limit2.3 MechanicalEnclosure Material PolycarbonateEnclosure Rating NEMA 4X (IP65)Dimensions 8” x 8” x 3” (203 mm x 203 mm x 76 mm)Display 128 x 64 graphic backlit displayOperating Ambient Temp -4 to 131 °F (-20 to 55 °C)Storage Temperature -4 – 176°F (-20 – 80°C)Mechanical (Sensors) (*See graph)Sensor Pressure Temperature Materials ProcessConnectionsGraphite contactingconductivity tower0-150 psi up to 100°F (38°C)*0- 50 psi at 140°F (60°C)32-140°F *(0-60°C) GFRPP, Graphite, FKM 3/4” NPTF316 SS contactingconductivity tower0-150 psi up to 100°F (38°C) *0- 50 psi at 140°F (60°C)32-140°F *(0-60°C) GFRPP, 316SS, FKM 3/4” NPTFHigh pressure tower 0-300 psi (0-20 bar)* 32-158°F *(0-70°C) 316SS, PEEK 3/4” NPTFElectrodeless tower 0-150 psi up to 100°F (38°C)*0- 50 psi at 140°F (60°C)32-140°F *(0-60°C) PP, PVC, FKM 3/4” NPTFLow pressure manifold 0-150 psi up to 100°F (38°C)*0- 50 psi at 140°F (60°C)32-140°F *(0-60°C)GFRPP, PVC, FKM,Isoplast 3/4” NPTFHigh pressure manifold 0-300 psi (0-20 bar)* 32-158°F *(0-70°C) Carbon steel, steel, brass 3/4” NPTFBoiler/condensatecontacting conductivity 0-250 psi (0-17 bar) 32-401°F(0-205°C) 316SS, PEEK 3/4” NPTMpH/ORPLD2CondHP Cond/Steel05010015020025030035030405060708090100110120130140150160170180°FPressure vs. TemperaturePSI-1.14.410.015.521.126.632.237.743.348.854.460.065.571.176.682.2°CBarHP pH/ORP/Steel24.120.717.213.810.36.93.4