Model 1575e Boiler Conductivity Controller
From Lakewood Instruments


Lakewood Model 1575e Boiler Conductivity Controller

The Lakewood Model 1575e Boiler Conductivity Controller uses the latest in microprocessor capability, giving the user a high level of application flexibility. A large illuminated graphics screen, multiple inputs, and very easy setup characterize this new technology. The Model 1575e is ETL approved.

Features

  • Removable power cord and receptacles for simple conduit installations.

  • Scheduled feed, which can use three relays for biocides or other chemicals.

  • Two (2) water meter inputs, two (2) drum switch inputs, conductivity input, flow switch input, 4-20 mA output, and remote conductivity input via 4-20 mA are all standard features.

  • Designed with a single circuit board for better reliability and lower cost.

  • Large open shallow enclosure for easy wiring.

  • Ball valve delay feature allows accurate control of motorized ball valves.

  • Heavy-duty stainless steel domed numeric keypad and illuminated graphical display allow for quick and easy programming. Steel domed switches improve the tactile sensing and life expectancy of the keypad.

  • LED indicators for power, alarm and relay status.

Benefits

  • Easy to program with the Lakewood plain English, intuitive, and user friendly menu interface.

  • Controller can be used in boiler, cooling tower, or condensate applications when used with the appropriate conductivity sensor.

  • Single circuit board design improves reliability.

  • No add-on options. 4-20 mA output and feed schedule clock features are standard.

Specifications

Conductivity range

500-8000 mS for Boilers

Input Signal

One 4-20 mA, non- isolated

Conductivity sensor

2 electrode

 

internally powered input for

Conductivity Resolution

+/-10 µS (conductivity <5000 mS)

 

conductivity

 

+/-100µS (conductivity <5000 mS)

Output relays

4, 3 selectable use,

Temperature comp.

500NTC, NONE

 

1 blowdown

Accuracy & repeatability

+/-1.0%

Relay ratings

3A each, 10A total

Deadband/Setpoint

Programmable

Power

120/240 VAC 50/60 Hz

Auto/Manual outputs

Menu selectable

Ambient

32º - 120ºF
(0º - 49ºC)

Keypad

16 tactile push-buttons

Enclosure

NEMA 4X, ETL

Display

illuminated 128×64 pixel LCD

 

 

Drum Switch Inputs

2 digital contact inputs

 

 

Water meter inputs (2)

Contact head, paddle

 

 

 

wheel or turbine

 

 

Timers

Max. blowdown time exceeded

Sensors/Plumbing

Boiler

 

and relay run time exceeded

Max Pressure

600 psi (41.3 bar)

Output Signal

One 4-20 mA, isolated or

Max Temp

486ºF (252ºC)

 

non-isolated optionally powered

 

 

 

output for conductivity

 

 

 

MODEL 1575e CUT SHEET

MODEL 1575e SPEC SHEET

MODEL 1575e MANUAL

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METEX CORPORATION LIMITED

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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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