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Optional
Ozonator
O
3
Standard 3-Wire 120 VAC Connection (60 Hz, 1 Phase, 15A Service)
Use copper conductors ONLY. Wire size must be appropriate per NEC and/or local codes.
WHT
WHT
WHT
WHT
WHT
WHT
BLK
BLK
BLK
BLK
BLK
BLK
BLK
BLK
RED
RED
RED
*
RED
*
RED
*
RED
Heater
1.0 kW @ 120 VAC (3-wire connection)
4.0 kW @ 240 VAC (4-wire connection)
Pressure Switch
Hi-limit/Freeze Sensor
Temperature Sensor
J2
J3
F1
20A
250V
SC-20
Main Pump
Spa Light
Transformer
120 VAC
Optional 4-Wire 240/120 VAC Convertible Heater Connection
1. Remove and discard the factory installed GFCI Cord.
2. Move
RED
*
wire from TB1 position #1 to TB1 position #3 as shown below.
3. Permanently connect to the power supply. Use copper conductors ONLY.
Wire size must be appropriate per NEC and/or local codes.
4. If hot tub is to be operated on 30A service, make sure the jumper provided
at location JP1 #1&2 on the circuit board is installed. If hot tub is to be
operated on 40A service, remove the jumper JP1 #1&2 on the circuit board.
HILO
J1 Logic Jumper Settings (Factory Defaults Shown)
JP1 1-2 ON = 30A Logic (4-wire 120/240 VAC operation only)
JP1 1-2 OFF = 40A Logic (4-wire 120/240 VAC operation only)
JP1 7-8 ON = °C Temperature Display
JP1 7-8 OFF = °F Temperature Display
This device complies with Part 15 of the
FCC rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful
interference.
2. This device must accept any inteference
received including interference that may
cause undesired operation.
J20
J21
J12
J14
J16
J11
J15
J13
J17 J7 J8
J9
J10
J5
J6
Heater IN Heater OUT
F1
K5 K7 K8
J1
Control
Panel
THERM
SWITCH
7
5
3
1
8
6
4
2
To
circuit board
GRN
TB1
WHT
BLK
3
2
1
3
2
1
GROUND
GRN
TB1
WHT
BLK
RED
GROUND
M
o
v
e
W
i
r
e
WARNING, ELECTRICAL SHOCK HAZARD EXISTS! Always remove power to spa before wiring
and/or configuring the circuit board
M
o
v
e
W
i
r
e
Hard
Wire
Only
Plug-in
GFCI
Cord (US
Models
Only) OR
Hard
Wire
15.0 Denali/Tacoma Convertible Circuit Diagram (60Hz)
This wiring diagram is used for all Denali/Tacoma US/Canada
120/240 VAC (60Hz) convertible power models.