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WPC-9001 Electronic Pump Controller
Williams Electronic Pump Controller, WPC-9001

WPC-9001 Electronic Pump Controller

Brand: Williams Chemical Metering Pumps
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Williams Electronic Pump Controller, WPC-9001
The WPC (Williams Pump Controller) Series can control two pumps, one as the main duty, and the other as the standby pump. By utilizing an optional flow switch mounted on the common discharge line of the pumps, the flow output is monitored and a signal is sent to the WPC if flow is lost.

A loss of flow with an input signal greater than 4.07 mA will switch from the selected pump to the standby pump and send a signal of loss of flow. Also included, is a feature to operate the pump at a preset rate in the event the input signal is lost the unit will automatically switch over and send a relay output signal of the alarm condition.

A Normally Closed (N/C) 3-way solenoid valve must be purchased separately and will be operated by the WPC-9001. The Oscillamatic Controller is not required as the unit includes a manual mode than can be locally adjusted from 5 to 45 spm by a knob located on the front of the unit.
Features
  • Annunciator light to indicate operation
  • Displays strokes per minute
  • Displays total strokes
  • Selector for dual pump system
  • Annunciator light for pump selection
  • Automatic switching for flow condition
  • Pump selection reset button
  • Selector/Annunciator for auto/manual mode
  • Auto to manual switching for loss of signal
  • Manual mode stroke rate adjustment
  • Weatherproof Enclosures (NEMA 4X) for GP
  • Explosion Proof (NEMA 7) Weatherproof Enclosures available for XP

Specifications

Brand

Approvals & Certifications

  • NEC Class I, Div. 1& 2, Groups C, D - Model WPC-9001-XP

Environmental Protection

  • IP66
  • NEMA 4X - Model WPC-9001-GP
  • NEMA 7 - Model WPC-9001-XP

Input Power

  • 115 Vac, 48 W, Max.
  • 230 Vac, 48 W, Max.
  • 24 Vdc

Input Signal

  • 4-20 mA

NPT Connection

  • 1/2" NPT Female

Output Power

  • 24 Vdc, 0.5 A Square Wave Pulse

Temperature Range

  • -18° to 60° C (0° to 140° F)

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