Chapter THREE Control System
WE call the “Control System” the box which the electronic control is located and
on some models, the heater.
BOARDS:
Overview:
Circuit boards came into common use in the mid 90’s. They are a major
improvement in many ways over the older mechanical spas. They are more
accurate in keeping the proper temperature. They typically will filter automatically
or on some models, are programmable to when and what length of time they will
filter. They also have settings for when you are away so the spa will keep the
water clean yet not stay hot.
How It Works:
Basically the board is a computer board and is commonly called pc board. They
constantly test various components including pressure/flow switches, temp and
OH sensors, topside, motors, and heaters. Some will notify you when its time to
replace the filter. They are design both to make operation of the spa easier, keep
the water cleaner, and filter the water on a regular basis.
The Steps the Board Takes to Come On:
Gatsby circuit boards typically go through the same routine. When you turn on
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