Connection Configuration #3; 240 Vac Connections For Denali, Dover, Tacoma Models (North America 60 Hz) - Sundance Spas Spas 680 Series Manual

Connection Configuration #3

240 vAC Connections for denali, dover, Tacoma Models
(North America 60 Hz)
A pressure sensitive
terminal block (bonding
lug) is attached to the
outside surface of the
load box. This permits
the connection of a
bonding wire between
this point and any metal
equipment chassis,
metal water pipe, or
metal conduit within 5 ft
(1.5m) of the spa. The
bonding wire must be at
²
least #8 AWG (8.4 mm
solid copper wire.
2-Pole Circuit Breaker with 3-Wire Grounded Load Connection
(4 Wires to Hot Tub, 2-Hot (L1-L2), 1-Neutral (N), 1-Ground)
240 VAC/120 VAC
White (N)
Black (L1)
Red (L2)
Main
Service
Panel
with
GFCI
)
Ground
Main Panel with Secondary GFCI Shut-Off Box Using a
2-Pole GFCI Breaker with 3-Wire Grounded Connection
(4 Wires to Hot Tub, 2-Hot (L1-L2), 1-Neutral (N), 1-Ground)
Main Panel*
Red (L2)
Black (L1)
White (N)
Green (Ground)
*GFCI Sub Panel commonly
used when recommended GFCI
does not install in Main Panel.
2-Pole
TB1
GFCI
Breaker
W B
Red (L2)
Black (L1)
White (N)
Green
Load Neutral Lug on Breaker
Pigtail
Neutral Bus
GFCI Sub Panel*
2-Pole
GFCI
Breaker
Red (L2)
Black (L1)
White (N)
Green
Load Neutral Lug on Breaker
Pigtail
Neutral Bus
Ground
R
TB2
Ground/Bonding Lug**
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
TB1
W B R
TB2
Ground/Bonding Lug**
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
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