One of the blowdown control strategies available on the 1575e & NexSys platforms is “Cycles of Concentration.” We get many questions regarding how it works. In simple terms, it represents how long fresh make-up water can be circulated in the…
Lakewood Blog
Is Your Boiler Conductivity Sensor Working?
What do you do when your boiler conductivity sensor is not giving you the right reading? There are a few simple things you can check to determine whether your sensor is the problem or if something else is going on.…
Fuses – What You Need to Know
There are two fuses in Lakewood 1500 series controllers. One is a 100mA, 250VAC Slow-Blow fuse. The other is a Fast-Blow 10A, 250VAC fuse. This article will discuss why they can blow and how you can troubleshoot the source of…
Seasonal Maintenance for Cooling Tower Automation
Depending on where you are in North America, the seasons are definitely changing. While we are all experiencing shorter daylight hours, some are going from dozens of consecutive days over 100F to highs in the “comfortable” 90’s. Others are waking…
Understanding Alarms from 1575e Controllers
Model 1575e controllers are versatile and compact, and they can display various alarms based on how you set them up. This article outlines the alarms, what they mean, and what you can do about them. If you have a Model…
Choose Your Boiler Controller
Need a controller for a new boiler installation? Time for a refresh or upgrade? Here is the easy comparison to help you through Lakewood’s choices for Boiler applications. For boilers, we have three choices: Model 150, Model 1575e, and Nexys…
Value
Chasing Calibration
Conductivity sensors don’t “physically or electronically” vary significantly over time. The temperature compensation resistor is the only item that has a variable value in the sensor itself. Everything else is a straight ahead mechanical arrangement (Red and Black wires connect…
Water Meters, K Factors
Is my Paddle wheel or Magnetic water meter giving me the correct Signal and ratio for flow gallons/liters flowing through it? Well, here is a test you can do in the field. You’ll need a multimeter with the “HZ” or…
Flow Switch Problems
I get several calls per month on Flowswitch operation. Typically, I hear “my controller shows no flow, but there is plenty of pressure in the line”, or “my controller shows flow, but the system is shut down”. Our Flowswitch does…