ORP Controller Microprocessor-Based
Lakewood Instruments Model 2330


Lakewood Instruments Model 2330 Microprocessor Based ORP Cooling Tower Controller

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.

Features

  • Differential ORP sensor with diagnostics indicate fouled reference or open pt band.

  • Integral flowsight & flowswitch lockout.

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

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

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

    • Feed by setpoint, direct or reverse;

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

    • 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)

Benefits

  • Multiple control options in a single economical package.

  • Very accurate control of chemical feed.

  • 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.

  • Has expansion slots to add additional control, such as chiller loop monitor.

Specifications

Inputs
Power 80-300 VAC
Sensor ORP combination glass electrode
Temperature comp. Automatic
Flow switch Dry contact
Water Meter Input Two contacting head or open collector.
Outputs
Relays Four, 3 Amps @ 120 VAC
4-20 mA Two, isolated w/-35L
Sensor/Plumbing
Pressure 140 psi (9.7 bar) @ 100ºF (38º C)
Max. Temperature 140ºF (60º C)
Min. Flow 1 gpm
Controller
ORP Range -1000 to +1000 mV
ORP Accuracy +/-5 mV
ORP Resolution 1 mV
Deadband Adjustable
Setpoints Direct or Reverse (configurable in the field)
Feed timer Adjustable
Keypad Numeric
Display Illuminated 128x64 pixel LCD
Ambient Temperature 32-158ºF (0-70º C)
Enclosure Rating ABS Plastic
NEMA 4X Optional

Ordering Information

2330   LONWORKS Technology-based ORP controller with plumbing and flow switches. Four relays are integral to the system. The relays may be configured for ORP high or low setpoints and alarms. ORP range is -1000 to 1000 mV.
CONTROLLER OPTIONS (optional; select no more than three)
-RTC   Adds 24-hour clock and calendar to controller (required to configure relays to feed chemicals/biocides based on time of day and for data acquisition if using the -RS2L Option).
NOTE: Adding an -RTC card does not add relays.
-35L   Two 4-20 mA output configurable for remote data acquisition of ORP.
-RS2L   Communications node with shareware software. Requires -RTC Option.
-NIN   Network interface node. Allows 1 NRLY and/or up to 3 NCON/NCKT to be added.
ENCLOSURE OPTIONS (optional)
-WP   Weatherproof and watertight. 1/2 inch knockouts. No outlets or power cords.
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).
SOFTWARE AND EXTERNAL MODEMS
LRWS   Windows-based registered software for computer to communicate with 2000 Series Controllers.
MD4X   High-Baud modem in NEMA 4X enclosure ready to power
MD   High-Baud modem for use with 2000 Series Controllers.

* LONWORKS is a registered trademark of Echelon Corporation.

 

 

Model 2330 Cut Sheet

Model 2330 Spec Sheet

Model 2330 Manual

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