Sundance Spas 850 Series - Manual (Page 11)

11
Red (L2)
Pigtail
Neutral Bus
Ground
TB2
TB1
Black (L1)
White (N)
Green
Main
Service
Panel
with
GFCI
White (N)
Black (L1)
Red (L2)
240 VAC/120 VAC
2-Pole
GFCI
Breaker
Ground/Bonding Lug**
Load Neutral Lug on Breaker
-Pole Circuit Breaker with -Wire Grounded Load Connection
(4 Wires to Hot Tub, 2-Hot (L1-L2), 1-Neutral (N), 1-Ground)
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
W B R
Hot T
ub
Contr
ol Bo
x
Red (L2)
Pigtail
Neutral Bus
Ground
TB2
Black (L1)
GFCI Sub Panel*
Main Panel*
2-Pole
GFCI
Breaker
Ground/Bonding Lug**
Load Neutral Lug on Breaker
Main Panel with Secondary GFCI Shut-Off Box Using a
-Pole GFCI Breaker with -Wire Grounded Connection
(4 Wires to Hot Tub, 2-Hot (L1-L2), 1-Neutral (N), 1-Ground)
White (N)
Green (Ground)
*GFCI Sub Panel commonly
used when recommended GFCI
does not install in Main Panel.
Note: service disconnect not
shown in this diagram.
The control box TB1 terminal
position varies between models.
Red (L2)
TB1
Black (L1)
White (N)
Green
W B R
Hot T
ub
Contr
ol Bo
x
 - Wire 0/10VAC Wiring Diagrams (US/Canada 0Hz)
(Includes Solo, 0 Metro And 0 Denali, Tacoma Models)
This connection enhances heater performance to 4kW over the standard 120 VAC 3-wire power connection which
provides a 1kW heater output. This type of power connection must be hard wired. For US models, the provided GFCI
cord is not used. The GFCI cord is not provided for Canadian models.
**Note: A pressure
sensitive terminal
block is provided
on the outside
surface of the
load box to permit
connection of
a bonding wire
between this
point and any
metal equipment
chassis, metal
water pipe, or
metal conduit
within 5 feet (1.5
m) of the spa.
The bonding wire
must be at least
#8 AWG (8.4 mm
2 )
solid copper wire.
Before installing
this spa, check
with local the
local building
department to
ensure installation
conforms to local
building codes.