User's Manual

Page 10

J-400 Series

5.0 Electrical Installation Instructions (240V Service)

IMPORTANT NOTICE: The electrical wiring of this spa must meet

the requirements of the National Electrical Code/USA (NEC) and any

applicable state or local codes. The electrical circuit must be installed

by a qualied electrician and approved by a local building/electrical

inspection authority.

1. This spa must be permanently connected (hard-wired) to the power

supply. No plug-in connections or extension cords are to be

used in conjunction with the operation of this spa. Supplying

power to the spa which is not in accordance with these instructions

will void both the independent testing agency listing and the

manufacturer’s warranty.

2. The power supplied to this spa must be a dedicated circuit with no

other appliances or lights sharing the power provided by the circuit.

3. To determine the current, voltage and wire size required, refer to

section 6.0 “Power Requirements” (page 14) for your specic spa

model.

Wire size must be appropriate per NEC and/or local codes.•

We recommend type THHN wire.•

All wiring must be copper to ensure proper connections. • Do not

use aluminum wire.

When using wire larger than #6 (10 mm²), add a junction box •

near the spa and reduce to short lengths of #8 (8.4 mm²) wire to

connect to the spa.

4. The electrical supply for this product must include a suitably rated

switch or circuit breaker to open all ungrounded supply conductors

to comply with Section 422-20 of the National Electrical Code/USA,

ANSI/NFPA 70. The disconnecting means must be readily accessible

to the spa’s occupant but installed at least 5 feet (1.5m) from spa

water.

5. The electrical circuit supplied for the spa must include a suitable

ground fault circuit interrupter (GFCI) as required by NEC Article

680-42/USA.

6. To gain access to the spa’s power terminal block, remove the screws

securing the cabinet panel on the side of the spa under the controls.

Then remove the four door screws for the small access door on the

control box (Figure A).