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 |
| Conductivity sensor | 2 electrode |
| Conductivity Resolution | +/-10 µS (conductivity <5000 mS) |
| +/-100µS (conductivity <5000 mS) | |
| Temperature comp. | 500NTC, NONE |
| Accuracy & repeatability | +/-1.0% |
| Deadband/Setpoint | Programmable |
| Auto/Manual outputs | Menu selectable |
| Keypad | 16 tactile push-buttons |
| 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 |
| And relay run time exceeded | |
| Output Signal | One 4-20 mA, isolated or |
| Non-isolated optionally powered | |
| Output for conductivity | |
| Input Signal | One 4-20 mA, non- isolated |
| Internally powered input for | |
| Conductivity | |
| Output relays | 4, 3 selectable use, |
| 1 blowdown | |
| Relay ratings | 3A each, 10A total |
| Power | 120/240 VAC 50/60 Hz |
| Ambient | 32º – 120ºF (0º – 49ºC) |
| Enclosure | NEMA 4X, ETL |
| Sensors/Plumbing | Boiler |
| Max Pressure | 600 psi (41.3 bar) |
| Max Temp | 486ºF (252ºC) |