North American Dover Convertible Circuit Diagram (For A 4-Wire 240V 60Hz Connection) - Sundance Spas Hamilton Owner's Manual

780 Series
15.2 North American Dover Convertible Circuit Diagram (for a
4-wire 240V 60Hz connection)
This wiring diagram is used for all North American 240V 60 Hz
convertible power models. Dedicated 240V models must be permanently
connected (hard-wired) to the power supply.
Note: 240 VAC 4-wire connection enhances heater output from 1kW to
4kW.
See Section 17.0
for Dip Switch
Settings
30A (PMP 2)
F6
A/V
UV
FROM TO
J37 J38
J51 J46
J59 J53
J33 J47
1 jumper
J22
Jumper wires
The sequence of the
jumper wires must be
changed, as shown
Page 56
120V 120V
240V
J22
F3
F2
4A
J22
J49
D
C
B
A
TB1
J35
30A (PMP 1)
J44
P1 2SPD
J37
OZONE
J72
CIRC PUMP
J73
L-BLK
N-WHT
G-GRN
Location J22
remove one logic
jumper and place
the other across the
WHT
240V pins, as shown
G-GRN
BLK
4.0KW
D
240 VAC, 20A/31A
4-WIRE CONNECTION
WHT
C
60HZ 1-PHASE SERVICE
BLK
B
RED
G-GRN
A
TB1
TB1 terminal
PUMP 1
White wire must
be connected to
location D and
a second hot
CIRC PUMP
wire connected
(RED), as shown
G-GRN
WHT
BLK
RED
G-GRN
DANGER
!
RISK OF SHOCK OR
ELECTROCUTION!
Turn power off
before servicing. This
task should only be
performed by a quali-
fied technician.