Owner`s manual

13DO NOT DIVE.
ELECTRICAL INSTALLATION REQUIREMENTS
For All Models Except TS 120
HAVE YOUR ELECTRICIAN READ THE FOLLOWING INFORMATION BEFORE
INSTALLATION BEGINS
Electrical connections made improperly, or the use of wire gauge sizes for incurring
power which are too small, may continually blow fuses in the electrical equipment box,
may damage the internal electrical controls and components, may be unsafe and in any
case will void your warranty.
It is the responsibility of the spa owner to ensure that electrical connections are made by
a qualified electrician in accordance with the National Electrical Code and any local and
state electrical codes in force at the time of installation.
These connections must be made in accordance with the wiring diagrams found inside
the control box. This equipment has been designed to operate on 60Hz. alternating
current only, 240 volts are required. Make sure that power is not applied while perform-
ing any electrical installation. A copper bonding lug has been provided on the electrical
equipment pack to allow connection to local ground points. The ground wire must be
at least 8 AWG copper wire (unless local or state codes require a heavier gauge wire)
and must be connected securely to a grounded metal structure such as a cold water
pipe. All Master Spas equipment packs are wired for 240 VAC only. The only electrical
supply for your spa must include a 50 AMP switch or circuit breaker to open all non-
grounded supply conductors to comply with section 422-20 of the National Electrical
Code. The disconnect must be readily accessible to the spa occupants, but installed at
least five feet from the spa. A Ground-Fault Circuit Interrupter (GFCI) must be used to
comply with section 680-42 of the National Electrical Code. A ground fault is a current
leak from any one of the supply conductors to ground. A GFCI is designed to automati-
cally shut off power to a piece of equipment when a ground fault is detected.
Power hook-up to the spa must be 240 volt 3 wire plus ground (6 AWG copper) 8 AWG
copper ground wire.
Route the cable into the equipment area for final hook-up to terminals inside the con-
trol panel. The spa must be hooked up to a “dedicated” 240 volt, 50 amp breaker and
GFCI. The term “dedicated” means the electrical circuit for the spa is not being used for
any other electrical items (patio lights, appliances, garage circuits, etc.). If the spa is con-
nected to a non-dedicated circuit, overloading will result in “nuisance tripping” which
requires resetting of the breaker switch at the house electrical panel.
Rev. 11/11
Permanently Connected Equipment Assembly with Pump(s), Heaters, Luminaine, Ozone, Spa
Side Control(s), Pump shut off device, and Audio/Video Components.
NOTE: Some of the above components may be optional or not available with every
spa model.