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For safety sake only a qualified electrician should wire an Emerald spa.
The main wiring diagram is located below. For specific schematics of Emerald Spa equipment, consult the owner’s manual.
Below are some instructions and precautions you will need to provide to a qualified electrician when wiring an Emerald Spa. The following information is taken from the Balboa (the supplier of Emerald’s power system) Technical Service Manual. For the complete guide, along with other useful information, please download a copy by clicking here.
Wiring Check Precautions:
- When working in a system box always be aware that it may contain high voltage.
- Always keep your fingers and hand tools away from any wiring or circuit board when the power is on. Touching anything in these areas can result in serious injury.
- All service calls, no matter how minor, should include a complete wiring check, beginning with the house breaker.
- Keep in mind, Emerald spas only run on single phase electrical service. Three phase power will not supply proper voltage to the system. Three phase power may overheat the pumps and cause the GFCI to trip.
Check for Loose Connections or Damaged Wires:
- Make sure the power is off before you touch any wiring.
- Once the power is off, carefully examine all wires for cuts or defects.
System Box Wire Gauge Check:
When inspecting the wiring for any control system, note that connections for the incoming wires are clearly labeled at the main terminal block.
- 50A service - minimum six gauge copper wire.
These wires must connect the house breaker box, through the local disconnect, to the main terminal block. The wiring diagram inside the system box shows the main terminal block as TB1.
Pull 4 copper current carrying conductors (one each: black, red, white, green insulated). Use either No. 6 AWG 60 degree C, No. 8 AWG 75 degree C, or No. 8 AWG 90 degree C wire, if spa is 100 feet or less away from its power supply. The GROUND must be equal to or larger than the largest power conductor.
IMPORTANT:
Using non-copper wire can be dangerous, and also can be the cause of a spa’s malfunction.
GFCI Wiring Check:
The proper installation of a GFCI is imperative to avoid nuisance tripping once you activate your spa. Be sure that the electrician refers to the diagram above and installs the GFCI accordingly.
IMPORTANT note on GFCI installation:
The National Electrical Code states that a service disconnect breaker box (a GFCI can be used for this purpose) must be located at least five feet away from the spa and should be conveniently located near the equipment bay. If it is not in plain sight, keep the disconnect padlocked when in the off position to avoid serious injury.
PRECAUTION:
Effective January 1994, GFCI’s are required for spa installations. If you already own a spa or recently purchased a used Emerald that does not have an installed GFCI, we strongly urge you to improve safety and comply with current standards by installing one.
Proper Wiring and Voltage checking procedures:
To assist in correctly checking these areas please consult the Balboa Technical Service Manual (pages 7-9).
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