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Model 140 Series Cooling Tower 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.
Features
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Use this Controller for Cooling towers.
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Removable power cord and receptacles for simple conduit installations.
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Scheduled feed, which can use two relays for biocides or other chemicals.
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One (1) water meter input, conductivity input, flow switch input, and 4-20 mA output are all standard features.
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Designed with a single circuit board for better reliability and lower cost.
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Large open shallow enclosure for easy wiring.
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The enclosure is rated NEMA 4X.
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Power selector switch for 115 or 230 vac operation.
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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.
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Easy to program, the Model 140 Controller menu is just like the Lakewood model 1575e controller.
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Single circuit board design improves reliability.
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No add-on options. 4-20 mA output and biocide features are standard.
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Multiple methods of chemical feed for application flexibility.
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Conductivity range 0-10,000 mS
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Conductivity sensor 2 electrode
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Conductivity Resolution ± 10 µS
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Temperature comp. 500 ohm NTC
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Accuracy & repeatability ± 1.0%
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Deadband/Setpoint Adjustable
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Auto/Manual outputs Menu selectable
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Keypad 16 tactile push-buttons
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Display 16 X 2 Character
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Water meter input Contact head, paddle wheel or turbine
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Timer Max. blowdown time exceeded, relay time exceeded
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Output Signal One 4 – 20 mA, non-isolated powered output
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Output relays 2 selectable use, 1 blowdown
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Relay ratings 3A each, 10A total
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Power 120/240 VAC 50/60 Hz
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Ambient 32° - 120°F (0 - 49°C)
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Water temperature 32°- 140°F (0 - 49°C)
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Pressure 140 psi
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Enclosure NEMA 4X
1239594 Controller Model 140 controller only
1229595 Controller Model 140, w/sensor and plumbing tee
1229596 Controller Model 140, w/sensor and flow switch plumbing
1229597 Controller Model 140, w/sensor and flow switch plumbing on a mounting plate
Cooling Tower Options
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Cooling Tower Flow Switch Plumbing w/Sensor
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Cooling Tower Sensor Tee and Conductivity Sensor
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1167158 Cooling Tower sensor with 20 ft of cable.
1169440 Plumbing Tee.
1107003 Flow Switch Plumbing.
Model 140 Cut Sheet
Model 140 Spec Sheet
Model 140 Manual
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