IOM-WQ-PWSCAB
Installation, Operation, and Maintenance Manual
PWSCAB Series
Residential Cabinet Water Softener
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information
can result in death, serious personal injury, property
damage, or damage to the equipment.
Keep this Manual for future reference.
You are required to consult the local building and plumbing
codes prior to installation. If the information in this manual
is not consistent with local building or plumbing codes,
the local codes should be followed. Inquire with governing
authorities for additional local requirements.
Need for Periodic Inspection/Maintenance:
This product
must be tested periodically in compliance with local codes, but
at least once per year or more as service conditions warrant. All
products must be retested once maintenance has been performed.
Corrosive water conditions, and/or unauthorized adjustments or
repair could render the product ineffective for the service intended.
Regular checking and cleaning of the product’s internal components
helps assure maximum life and proper product function.
Do not use with water that is microbiologically unsafe or of unknown
quality. Adequate disinfection required before and after the system.
Hydrocarbons such as Kerosene, Benzene, and Gasoline may
damage products that contain O-rings or plastic components.
Exposure to such hydrocarbons may cause the products to
leak. Do not use the product(s) contained in this document on
water supplies that contain Hydrocarbons such as Kerosene,
Benzene, Gasoline, and others.
Watts is not responsible failure of product due to connectivity
issues, power issues, or improper installation.
PWSCAB Series Softener
Contents
System Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
System Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Control Valve Functions and Operation Cycles. . . . . . . . . . . . . . . . . . . . 3
General Installation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation Preview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Preinstallation Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
System Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Control Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Clock Programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Sanitizing the System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
System Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Drawings and Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
