Model 140


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LAKEWOOD INSTRUMENTS

MODEL 140

WATER TREATMENT CONTROLLER

The Model 140 uses the latest in microprocessor capability, giving the user a high level of application flexibility. Multiple inputs and very easy setup characterize this new technology. Water meters, sensors and plumbing assemblies are purchased separately.

PART NUMBER 1239597 SHOWN IN PICTURE TO THE RIGHT

Cooling Tower Water Treatment Controller W/Sensor And Flow Switch Plumbing On A Mounting Plate

FEATURES

Use this Controller for cooling towers.
Removable power cord and receptacles for simple conduit installations.
Scheduled feed, which can use two relays for biocides or other chemicals.
One (1) water meter input, conductivity input, flow switch input, and 4-20 mA output are all standard features.
Designed with a single circuit board for better reliability and lower cost.
Large open shallow enclosure for easy wiring.
The enclosure is rated NEMA 4X.
Power selector switch for 115 or 230 vac operation.
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, the Model 140 Controller menu is just like the Lakewood model 1575e controller.
Single circuit board design improves reliability.
No add-on options. 4-20 mA output and biocide features are standard.
Multiple methods of chemical feed for application flexibility.

SPECIFICATIONS

Conductivity range 0-10,000 μS
Conductivity sensor 2 electrode
Conductivity Resolution ± 10 μS
Temperature comp. 500 ohm NTC
Accuracy & repeatability ± 1.0%
Deadband/Setpoint Adjustable
Auto/Manual outputs Menu selectable
Keypad 16 tactile push-buttons
Display 16 X 2 Character
Water meter input Contact head, paddle wheel or turbine
Timer Max. blowdown time exceeded, relay time exceeded
Output Signal One 4 – 20 mA, non-isolated powered output
Output relays 2 selectable use, 1 blowdown
Relay ratings 3A each, 10A total
Power 120/240 VAC 50/60 Hz
Ambient 32° - 120°F (0 - 49°C)
Water temperature 32°- 140°F (0 - 49°C)
Pressure 140 psi @ 100°
Enclosure NEMA 4X

ORDERING OPTIONS

Controller Options

1239594 Cooling Tower Water Treatment Controller Only. (No Sensor Or Plumbing).
1239595 Cooling Tower Water Treatment Controller, Including Sensor Tee And Conductivity Sensor.
1239596 Cooling Tower Water Treatment Controller, Including Flow Switch Plumbing And Conductivity Sensor.
1239597 Cooling Tower Water Treatment Controller, Including Flow Switch Plumbing And Conductivity Sensor On A Mounting Plate.

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