Go Spas GO 630 Owner's Manual page 12

WARNING: Test the GFCI (or RCD) before each use.
Our hot tubs are certified by Intertek Testing, SNAa Ltd.
Ontario, Canada to CSA-C22.2 No. 218.1-M89 and ANSI/UL
1563 standards.
Parts with extra low voltage not exceeding 12v must be inaccessible to a person
in the hot tub. Earthed appliances must be permanently connected to fixed
wiring. Parts incorporating electrical components, except remote control devices,
must be located or fixed so that they cannot fall into the hot tub.
Means for disconnection must be used in fixed wiring in accordance with wiring
rules.
Important – To allow the 240V GFCI to function properly, connect the white
Neutral wire from the hot tub to the Neutral terminal on the GFCI breaker, not the
Neutral bus in the GFCI breaker box. An improperly connected Neutral causes
the GFCI breaker to trip.
Wiring Diagrams
Figure 3 – 240V GFCI Wiring
Figure 4 – 120V, 20A Wiring Diagram GFCI Plug (Test/Reset)
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For HELP, call 727.573.9611