CWP Technical Updates

CWP Troubleshooting

WATER-10042A CWP MV138 Troubleshooting and Replacement of CRE1-CRE2 Relay 
In this update the author addresses troubleshooting problems with Motor Valve #138. He also includes information for replacing relays CRE1 and CRE2, as well as, upgrading standard terminals TB2-21 and TB2-23 with resistor type terminals.
WATER-10057B CWP Changing Max Return Temp Setting
In some parts of the country the feed water to the CWP can be a higher temperature than we want it to be. This can put the CWP into a special flushing mode that consumes more water than desired. This update shows you how to modify a control setting to help the CWP operate as intended, even with the higher feed water temperature.
WATER-10077A CWP Pretreatment Lockout
The lockout function of the various control heads (on the media tanks) in your Pre-treatment Water System is meant to prevent operation of the CWP during regeneration or fluffing of the media in the tanks. In this update the author explains how this function works with the CWP.
WATER-10086A CWP Chemical Proportioning Pump Troubleshooting and Priming
This update presents information for troubleshooting the CWP chemical proportioning pump and chemical intake flow path in the event that no chemical, or not enough chemical, is being drawn up during a chemical disinfection process. A quick guide is also included for assisting the technician through various procedures like Total Stop, Fast Stepping, etc.