W100 Cooling Tower/Boiler
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Catalog excerpts

W100 Cooling Tower/Boiler - 1

Ordering Information WCTW Relays/Wiring WBLW Cooling Tower/Boiler Controllers Analog Output Relays/Wiring 100H = 3 powered relays, hardwired 100P = 3 powered relays, prewired USA power cord & pigtails 100D = 3 powered relays, prewired DIN power cord, no pigtails 110H = 3 dry relays, hardwired 110P = 3 dry relays, prewired USA power cord, no pigtails 110D = 3 dry relays, prewired DIN power cord, no pigtails Metering Pumps The E-Class is the most innovative and comprehensive metering pump product line in the world. Over 50 years of pump experience and a commitment to superior mechanical design has led to development of many industry firsts, including 360 stroke-per-minute technology, IP67 waterproof construction, and the world’s highest capacity solenoid metering pumps. Analog Output N = No analog output A = One isolated analog (4-20 ma) output To complete your system, Walchem provides high quality accessories that are required for cooling tower, boiler, potable water, and wastewater applications. All of Walchem’s accessories are carefully designed and selected for compatibility with our pumps and controllers to enable our customers to provide a complete system solution. Sensors (WCTW) N = No sensor A = Inline/submersion graphite contacting conductivity B = Graphite contacting conductivity + Flow Switch manifold on panel C = High pressure contacting conductivity D = High pressure contacting cond + Flow Switch manifold on panel E = Inline/submersion 316SS contacting conductivity F = 316SS contacting conductivity + Flow Switch manifold on panel G = Inline/submersion electrodeless conductivity H = Electrodeless conductivity + Flow Switch manifold on panel Summary of Key Benefits Large display with icon based programming makes setup easy Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed Multiple language support allows simple setup no matter where your business takes you The third control relay allows the controller to be used in more places than other entry level products Sensors (WBLW) N = No sensor A = Boiler sensor with ATC, 250 psi, 20 ft cable B = Boiler sensor without ATC, 250 psi, 20 ft cable C = Condensate sensor with ATC (cell constant 0.1), 200 psi, 10 ft cable D = Boiler sensor with ATC, up to 100 mS/cm (cell constant 10), 250 psi, 20 ft cable Economical package with no additional cost for timer functionality Walchem integrates its advanced sensing, instrumentation, fluid pumping and communications technologies to deliver reliable and innovative solutions to the global water treatment market. Our in-house engineering is driven by quality, technology and innovation. For more information on the entire Walchem product line, visit: www.walchem.com The W100W series provide an economical and reliable way to keep your cooling tower, boiler, or condensate water treatment program under control. Walchem, Iwaki America Inc. Five Boynton Road Hopping Brook Park Holliston, MA 01746 USA Phone: 508-429-1110 www.walchem.com Complete flexibility in the function of each relay • Bleed on conductivity • Bleed time proportional to makeup water volume • Boiler Blowdown on conductivity using intermittent sampling • Feed in proportion to bleed time • Feed time proportional to makeup water volume • Feed as a percentage of elapsed time • Biocide timer with pre-bleed and post-feed bleed lockout options • Alarm Optional analog (4-20 mA) output for recording, datalogging or connection to building energy management systems

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W100 Cooling Tower/Boiler - 2

Specifications Dimensions Measurement Performance Range 1.0 Cell Contacting Conductivity 0.1 Cell Contacting Conductivity WCTW Sensor option H shown 10.0 Cell Contacting Conductivity Electrodeless Conductivity Temperature °C Range Multiplier % ± 1% of reading within range Note: Conductivity ranges above apply at 25°C. At higher temperatures, the range is reduced per the range multiplier chart. Power 100-240 VAC, 50 or 60 Hz, 7A max Fuse: 6.3 Amp Digital Input Signals State-Type Electrical: Optically-isolated input. Provides isolated 9V power. Current consumption when input is closed: 2.3 mA...

Open the catalog to page 2
W100 Cooling Tower/Boiler - 3

Specifications Dimensions Measurement Performance Range 1.0 Cell Contacting Conductivity 0.1 Cell Contacting Conductivity WCTW Sensor option H shown 10.0 Cell Contacting Conductivity Electrodeless Conductivity Temperature °C Range Multiplier % ± 1% of reading within range Note: Conductivity ranges above apply at 25°C. At higher temperatures, the range is reduced per the range multiplier chart. Power 100-240 VAC, 50 or 60 Hz, 7A max Fuse: 6.3 Amp Digital Input Signals State-Type Electrical: Optically-isolated input. Provides isolated 9V power. Current consumption when input is closed: 2.3 mA...

Open the catalog to page 3
W100 Cooling Tower/Boiler - 4

Ordering Information WCTW Relays/Wiring WBLW Cooling Tower/Boiler Controllers Analog Output Relays/Wiring 100H = 3 powered relays, hardwired 100P = 3 powered relays, prewired USA power cord & pigtails 100D = 3 powered relays, prewired DIN power cord, no pigtails 110H = 3 dry relays, hardwired 110P = 3 dry relays, prewired USA power cord, no pigtails 110D = 3 dry relays, prewired DIN power cord, no pigtails Metering Pumps The E-Class is the most innovative and comprehensive metering pump product line in the world. Over 50 years of pump experience and a commitment to superior mechanical...

Open the catalog to page 4

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