Conductivity,Cooling,Tower,Controller,Lakewood,Instruments,Model 2175P

Conductivity Cooling Tower Controller from Lakewood Instruments Model 2175P


 

Product Information - Model 2175P Conductivity Cooling Tower Controller

Conductivity,Cooling,Tower,Controller,Lakewood,Instruments,Model 2175PLONWORKS* Technology is the latest in microprocessor capability that gives the user the highest level of application flexibility. A large illuminated graphics screen, multiple inputs and very easy setup with easy field upgrade characterize this new technology. The unit does not include plumbing or a sensor. For use with process-type conductivity sensors (order separately).

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Features

  • 4-electrode conductivity input includes fouling compensation and alarm.
  • Input for flowswitch lockout.
  • Two water meter inputs, MTR1 and MTR2.
     
  • Conductivity 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/NCKT Option
     
    • 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;
  • Feed by schedule (-RTC Option);
  • General alarm contact.
     
    • Three security levels:
  • View only
  • Operator
  • Technician
     
    • Four different languages.
  • English Spanish (standard)
  • English French (optional)
  • English German (optional)

    Specifications

    Inputs
    Power 80-300 VAC
    Sensor 2 or 4 electrode Conductivity
    Temperature comp. None, 500 NTC, 4K NTC, 10K NTC,
    100 PTC, 1K PTC, 3K PTC and 10K PTC
    Flow / level switch Dry contact
    Water Meter Input Two contacting head or open collector.
    Outputs
    Relays 3 Amps @ 120 VAC
    4-20 mA Two, isolated w/-35L
    Controller
    Conductivity Range 0-100,000 S (varies with sensor)
    Conductivity Accuracy 40 S
    Conductivity Resolution 10 S
    Deadband Adjustable
    Setpoints Direct or Reverse (configurable in the field)
    Feed timer Adjustable
    Temperature comp. Adjustable
    Keypad Numeric
    Display Illuminated 128x64 pixel LCD
    Ambient Temperature 32-158F (0-70C)
    Enclosure ABS Plastic
    NEMA-4X Optional

    Ordering Information

    2175P   LonWorks Technology-based conductivity controller. Three (3) relays can be actuated based by percent on time, percent of blowdown time, water meter actuated or High/Low alarm. Conductivity range is 200-10,000 S unless specified otherwise. Requires 543 Series sensor with -4 Option. No outlets, plumbing or power cord.
    CONTROLLER OPTIONS (optional; select no more than three)
    -RTC   Schedule feed timer with 28-day programmable clock for selectable relays.
    -35L   Two 4-20 mA output configurable for remote data acquisition of conductivity.
    -RS2L   Communications node with the LRWS program. Requires -RTC Option.
    -NIN   Network interface node. Allows 1 NRLY and/or up to 3 NCON/NCKT’s to be added.
    ENCLOSURE OPTIONS (optional)
    -DU   Duplex outlet for chemical pump, power cord.
    LANGUAGE OPTIONS (optional, choose one, English and Spanish Standard)
    -EF   English and French.
    -EG   English and German.
    REMOTE NODE OPTIONS (optional; MUST purchase -NIN Option above)
    NRLY   Four additional relays with enclosure (1 per 2000 Series Controller).
    NCON   Conductivity node for makeup water or closed loop control (node only).
    MOUNTING OPTIONS
    PM   Panel mount 6 inch square cutout.
    BM   Bracket for pipe-mounting.
    SOFTWARE AND EXTERNAL MODEMS
    LRWS   Windows-based registered software for computer to communicate with 2000 Series Controllers.
    MD4X   High-Baud modem in NEMA-4 enclosure ready to power.
    MD   High-Baud modem for use with 2000 Series Controllers.

    * LONWORKS is a registered trademark of Echelon Corporation.