27th Edition RHFS Product Guide - Ryan Herco Flow Solutions

Ryan Herco Logo-4 Color ProcessElement: Placed Monotone EPSF o nt: Univers BlackMedium: Max size 21”X3.9”C=87, M=13, Y=2, K=1C=0, M=0, Y=0, K=72Walchem WDIS disinfectioncontrollerWalchem’s WDIS Series controller will reliably and economically control your watertreatment disinfection process. There are no reagents, and the user may select fromfour sensor inputs: free chlorine, chlorine dioxide, ozone, and peracetic acid.The WDIS Series controller takes the guesswork out of your disinfection process. Thechemical concentration is continuously monitored and controlled to the precise rangerequired for proper system control and regulatory compliance.Designed to be flexible and versatile, the WDIS Series controller is the ideal solutionfor disinfection applications in cooling towers, food & beverage, drinking water, wastewater,and swimming pools.®FEATURES• Choice of four industrial grade disinfection sensors in one controller provides flexibility:free chlorine, ozone, chlorine dioxide and peracetic acid.• Versatile relay configuration: Hi-Alarm, Low Alarm, Probe Wash, Out-Of-RangeAlarm, In-Range output.• Alarm relay notifies plant personnel of alarm conditions as soon as they occur.• Probe wash relay mode allows for automatic sensor cleaning and continuous operationin harsh conditions.• Optional 4-20mA output continuously sends data to a WebMaster ®, WebAlert ® , chartrecorder or data logger to document compliance.• No costly reagents.• Rugged NEMA 4X (IP 65) enclosure.APPLICATIONS• Cooling tower• Fruit & vegetable processing• Bottle washing• Drinking water• Wastewater treatment• Pulp & paper• RO systems• Swimming pools• Food sterilizationSPECIFICATIONS• Inputs:Power: 115VAC ±15%, 50/60 Hz, 60 mA230VAC ±15%, 50/60 Hz, 30 mAInterlock (Optional): Isolated dry contact closure required (i.e.flow, level, etc)• Outputs:Control (On/Off): Two internally powered relays115VAC, 10A resistive, 1/8 HP230VAC, 6A resistive, 1/8 HPAux1, Aux2, Alarm: Dry contact relays115VAC, 10A resistive, 1/8 HP230VAC, 6A resistive, 1/8 HP4-20mA (Optional): Fully isolated, internally powered600Ω maximum resistive load.Resolution 0.001% of span, accuracy ±1% of reading.ORDER INFORMATION:5910.(Size No.) WDIS SERIES DISINFECTANT CONTROLLERSize No. Wiring Data Output Sensor Options Price Ea.381 115 VAC 4-20 mA Isolated Free Chlorine sensor w/flow cell and 20 ft cable $2,691.00382 115 VAC 4-20 mA Isolated Free Chlorine Dioxide sensor w/flow cell and 20 ft cable 2,894.00383 115 VAC 4-20 mA Isolated Ozone sensor w/flow cell and 20 ft cable 2,894.00384 115 VAC 4-20 mA Isolated Parecetic acid sensor w/flow cell and 20 ft cable 2,894.00555.110.150ALSO AVAILABLEELECTRONIC METERING PUMPSA wide range of Walchem metering pumps(see pages 410-415) is available from yourlocal RHFS Service Center. Call 1-800-848-1141 for more information.350