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Microprocessor-Based Boiler Controller Model 2255
From Neptune Chemical Pump Company Inc

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

Lakewood Model 2255 Multi-Boiler Controller

Discontinued Model

The Lakewood Model 2255 Multi-Boiler Controller uses LonWorks® Technology for accurate control of your boiler system. The system will allow control of 1-to-8 boilers using the cycle/sample or continuous sample method. Two water meter inputs are available which can be used to feed chemicals. Each conductivity input contains its own microcontroller which talks directly to the relay that controls the motorized ball valve for each boiler. The 2255 can be programmed with LRWS (Lakewood Remote Windows Software) or from the keypad of the controller. LRWS allows data to be accumulated on all boilers, water meter inputs, chemical pump on time and more. LRWS will also allow the user to make graphs of the downloaded information, print conductivity values or export information for use with datalogging spreadsheets.

* LONWORKS is a registered trademark of Echelon Corporation.

Model 2255 Multi-Boiler Controller Cut Sheet

Model 2255 Multi-Boiler Controller Spec Sheet

Model 2255 Multi-Boiler Controller Manual

  • Steam flashing detector and compensation.

  • Control and monitor 1 to 8 boilers.

  • Future boilers can be added to an existing system.

  • Boiler input(s) can be substituted to monitor condensate.

  • Sample/cycle or continuous conductivity control of blowdown.

  • Use sample/cycle for blowdown less than 1,000 lb./hr.

  • Use continuous for blowdown greater than 1,000 lb./hr.

  • Two water/flowmeter inputs provided.

  • Can feed chemical according to water meter, percent of bleed, or percent on-time.

  • Interactive communications software datalog and control (-RS2L & -RTC Options).

  • Four different languages.

English Spanish (standard)
English French (optional)
English German (optional)

  • Accurate control of boiler conductivity.

  • Control results in fuel savings by preventing excessive blowdown.

  • Prevents carryover due to excessive conductivity.

  • One controller can monitor and datalog up to 8 Boilers.


Controller Inputs

  • Power 80-300 VAC

  • Network Inputs One to Eight boilers, Two NRLY's and up to 8 NCON�s

  • Water Meter Input Two contacting head or hall effect.


  • 2255 Relays Four for alarms or chemfeed 3 Amps @ 120 VAC

  • NRLY Four in each NRLY, 3 Amps @ 120 VAC

Sensor (SR2)

  • Pressure 600 psi (41.4 bar)

  • Max. Temperature 486ºF (252º C)

  • Body Carbon Steel

  • Electrode 416SS

  • Insulator PEEK

  • Connection 3/4 inch MNPT

NCON, Conductivity Node

  • Conductivity Range 0-10,000m S

  • Conductivity Accuracy 1% of full scale

  • Conductivity Resolution 1% of reading

  • Ambient Temperature 32-158º F (0-70º C)

  • Temperature comp. Automatic or disable

  • Power 24 VDC

NRLY, Relay Node

  • Ambient Temperature 32-158º F (0-70º C)

  • Enclosure ABS Plastic

  • Power 24 VD


  • Deadband Adjustable

  • Conductivity Setpoint Sample\cycle or continuous

  • Sample Time Adjustable

  • Cycle Time Adjustable

  • Keypad Numeric

  • Display Illuminated 128x64 pixel LCD

  • Ambient Temperature 32-158º F (0-70º C)

  • Enclosure ABS Plastic



About Us

Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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