Sundance Spas 780 series Owner's Manual page 21

2
TB1
Figure-C
WHT
1
BLK
2
3
GRN
North American Dover 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
1
3
WHT
TB1
RED
BLK
BLK
to Circuit
Board
RED
TB1
RED
BLK
BLK
to Circuit
Board
TB3
1. Terminal Block
2. Bonding Lug
3. Grounding Terminal
Figure-D
TB1
WHT
1
BLK
2
RED
3
GRN
North American Dover Convertible Models:
240 VAC, 4-Wire Connection (60 Hz)
TB2
Figure-F
1
2
TB1
1
2
Green
All Export Models:
230 VAC, 3-Wire Connection (50 Hz)
780 SERIES
WHT
RED
BLK
BLK
RED
to Circuit
Move Red
Board
Wire Here
BLUE
BLUE
BROWN
BROWN
to Circuit
Board
TB3
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