Sundance Spas 680 Series Owner's Manual page 23

Figure C
WHT
1
BLK
2
3
GRN
North American Denali/Tacoma Convertible
Models: 120 VAC, 3-Wire Connection (60 Hz)
CAUTION (For 4-wire 240 VAC Heater Operation): Move the red wire on the main terminal
strip (TB1) from position #1 to position #3. Make certain wires are connected exactly as shown
in Figure D before applying power. Failure to do so will result in damage to the circuit board
and/or related components and void the manufacturer's warranty.
Figure E
RED
1
BLK
2
Green
North American Models :
240 VAC, 3-Wire Connection (60 Hz)
Figure B
Control Box
2
TB1
1. Terminal Block
2. Bonding Lug
3. Grounding Terminal
WHT
TB1
RED
BLK
BLK
to Circuit
Board
RED
TB1
RED
BLK
BLK
to Circuit
Board
TB3
1
3
Figure D
WHT
1
BLK
2
RED
3
GRN
North American Denali/Tacoma Convertible
Models: 240 VAC, 4-Wire Connection (60 Hz)
Figure F
All Export Models:
230 VAC, 3-Wire (50 Hz)
680 SERIES
WHT
TB1
RED
BLK
BLK
RED
to Circuit
Move Red
Board
Wire Here
BLUE
TB1
BLUE
1
BROWN
BROWN
2
to Circuit
Board
Green
TB3
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