Safety Warnings!
| Remove Power from the spa/hot tub BEFORE working on your equipment. Failure to comply with this requirement, can lead to
electrical shock and/or electrocution! |
Disclaimer
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| The
instructions here are intended for general reference only. Many systems are different from the one that is depicted here, and may require more technical knowledge than what is displayed. |
READ FIRST BEFORE YOU
CONTINUE
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This is a diagram of a complete self-contained spa
control system.
It does not represent any particular brand of
system, it is a basic "home-brew" type of controller, built from
easily available components.
This design provides for:
- Thermostat activation of low speed pump and
heater.
- High temperature protection, shuts down the
entire system.
- Pressure switch protection for the
heater.
- Fully adjustable, timed filtration.
- Single air button control, using the
Pres:Air:Trol MTG-311A sequential air switch.
Parts Requirements:
- 1, MTG-311A Air Switch.
- 1, T9 style, (or other), 115V, Single pole
relay.
- 2, T92 115V 30 amp relays.
- 1, Standard Capillary thermostat.
- 1, Standard Capillary high limit
switch.
- 1, Standard Pressure or Flow switch.
- 1, Timer, 115V. (Optional).
- 2, Fuses and holders.
- Wiring, box, other miscellaneous items as
needed.
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