BWT Spas ST 2.18 Notice D'installation Et Conseils D'utilisation page 42

from flowing back into the ozonator. Both ends of this loop protrude from the spa pack mounting plate,
connect either end to the venturi tee and the other end to the ozonator.
A check valve provides further protection to the ozonator.
Connecting the blower (if this option is installed):
Pull on the air hose protruding from the spa pack mounting plate (flexible tube, diameter 32 mm, equipped
with a collar and barrel union), position the 49 mm diameter o-ring on the end of blower 's threaded outlet
and screw the barrel union onto it.
B) Wiring:
For safety reasons, start by connecting the spa pack to the spa.
Connecting the spa pack to the spa:
Make sure that the power supply to the spa has been cut, then remove the casing of the electrical panel.
Connect the control panel and the underwater light.
IMPORTANT
Do not alter the position of the 10 microswitches. They control spa configuration and any
alteration could cause a malfunction.
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2021/02 - Indice de révision : E - Code : 37791
Power-supply
Two-speed
pump
Control panel
Ozonator
Underwater light
BIEN-ÊTRE