S-Series Storage Tank Controls

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Overview

The “S” series pump control panel shall be equipped with four solid-state low voltage liquid level relays to automatically control the storage tank’s water level. As water is removed from the tank, the liquid level will drop until it reaches the “Lead Pump On” (third from top) electrode. The lead well pump will activate and continue to run until the liquid level reaches the “Pumps Off” (second from top) electrode, at which time the pump will cut off. The control will then alternate the lead pump. If the liquid level continues to drop and reaches the “Lag Pump On” (fourth from top) electrode, the lag pump will activate, and both pumps will continue to run until the liquid level reaches the “Pumps Off” electrode again.

The panel shall be equipped with “Low Storage Level” and “High Storage Level” alarms. When the liquid level reaches the “Low Storage Level” (fifth) electrode, the audio/visual alarms will activate and be latched in until manually reset. If the liquid level continues to rise and reaches the “High Storage Level” (top) electrode, the audio/visual alarms will activate and be latched in until manually reset. The “Gnd” (sixth) probe is for reference purposes only.

What’s Included

“S” Pump Control Includes:

  • NEMA 12 steel enclosure w/hinged door
  • Removable painted steel backplate for component mounting
  • Pilot output contacts ea. pump 10A @ 115V, 5A @ 230V
  • Low-voltage liquid level relay(s)
  • Hand-Off-Auto toggle switch ea. pump
  • Pump run indicator light ea. pump
  • Hand-Off-Auto and run light for compressor
  • 2A control fuse
  • Field wire terminal blocks
  • Neatly bundled wiring harness
  • 115V control transformer w/fused secondary (Three-phase units only)

Alarm Feature Includes:

  • Test-Off-Normal toggle switch each alarm
  • Alarm Indicator Light each alarm
  • Low-voltage liquid level relay (ea. electrode type alarm)
  • Top-mounted red Lexan alarm light (Outdoor units only)
  • Dry remote alarm contacts

Breaker Feature Includes:

For units without alarm:

  • Molded case circuit breaker ea. pump
  • Molded case control circuit breaker

For units with alarm:

  • Molded case circuit breaker ea. pump
  • Molded case alarm/control breaker

For 3-phase units:

  • Motor protector for ea. pump (combination short circuit/overload)
  • Molded case alarm/control breaker