pH & Conductivity Cooling Tower Controller
Lakewood Instruments Model 2412

pH & Conductivity Microprocessor-Based Cooling Tower Controller Lakewood Instruments Model 2412

Discontinued Model

LONWORKS® Technology is the latest in microprocessor capability that gives the user the highest level of application flexibility. A large graphic screen, multiple inputs and very easy setup with easy field upgrade characterize this new technology.

* LONWORKS is a registered trademark of Echelon Corporation.

• Multiple control options in a single economical package.

• Very accurate control of chemical feed and cycles of concentration.

• Very low maintenance.

• Tolerant to power surges and brownouts.

• Power cord, plug outlets and attached plumbing make installation easy. There is plenty of protected room inside the enclosure for electrician wiring.

• Very accurate monitoring of the evaporated water.

• Feeds chemical AFTER blowdown.

• Has expansion slots to add additional control, such as chiller loop monitor and cycles of concentration based on incoming makeup water.

• 4-electrode conductivity includes fouling compensation and alarm.

• Differential pH sensor with diagnostics indicate fouled reference or broken glass.

• Integral flowsight & flowswitch lockout.

• Records both makeup (MTR1) and blowdown (MTR2) water meter total gallons.

• Configure blowdown water meter (MTR2) as second makeup meter.
  

• Blowdown Relay options:

• Bleed x gallons for every x gallons makeup
  

• Bleed x minutes for every x gallons of makeup
  

• Bleed by setpoint
  

• Bleed by cycles of concentration with NCON/NCKT Option
  

• Bleed by multi-setpoint selected with NCON/NCKTOption

  • Three user-selectable relay options (four additional with NRLY):

• Feed by setpoint, direct or reverse;
  

• Water meter actuated feed. MTR1, MTR2 or sum;
  

• Feed after blowdown by percent of bleed time;
  

• Feed by percentage of time;
  

• Schedule feed timer (-RTC Option);
  

• General alarm contact.

  • Three security levels:

• View only
  

• Operator
  

• Technician
   

  • Four different languages.

• English Spanish (standard)
  

• English French (optional)
  

• English German (optional)