Circuit Diagram (60 Hz). Sundance Spas 680™ Series

680 SERIES

15.0 North American Denali/Tacoma Convertible Circuit

Diagram (60 Hz)

This wiring diagram is used for all North American Denali/Tacoma

120/240 VAC (60 Hz) convertible power models.

!

DANGER

RISK OF SHOCK OR

ELECTROCUTION!

Light DCU

1

2

3

4

5

EXP BAR

POWER

6

7

8

9

10

Ports 1-10 power spa lights, waterfall lights and step lights on applicable models

Turn power off before servicing. This task should only be performed by a qualified technician.

EXP BAR

Mini-Din Control

Panel Cable

Mini-Din Cable provides constant 12 VAC from yellow transformer wires

Transformer

120 VAC Control

Panel

J1 Logic Jumper Settings

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

OR

LED Lighting

System DCU

J21

J20

4

2

8

6

J1

3

1

7

5

Temperature Sensor

CLEAR RAY

J2

BLK J12

J14

J3

Hi-limit/Freeze Sensor

Pressure Switch

(not offered on all models)

BLK

J16

Circ.

Pump

C

Plug-in

GFCI

Cord (US

Models

Only) OR

Hard

Wire

GRN

TB1

WHT 1

BLK 2

F1

20A

250V

SC-20

BLK

BLK

3

WHT

J11

WHT

RED *

F1

WHT

J6

J15

J13

J5

K5 K7

WHT

J17

Main Pump

BLK

LO

WHT

HI

RED

Heater IN

RED

J7

BLK

J8

K8

Heater OUT

J9 J10

RED BLK

THERM

SWITCH

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.

(Located inside the heater for certain models)

Heater

1.0 kW @ 120 VAC (3-wire connection)

4.0 kW @ 240 VAC (4-wire connection)

Standard 120 VAC 3-Wire Connection (60 Hz, 1 Phase, 15A Service),

USE COPPER CONDUCTORS ONLY. WIRE SIZE MUST MEET NEC RECOMENDATIONS

AND/OR LOCAL CODES AND IS DETERMINED BY MAXIMUM CURRENT DRAW AND

LENGTH OF RUN.

WARNING, ELECTRICAL SHOCK HAZARD EXISTS! Always remove power to spa before wiring and/or configuring the circuit board

To circuit board

Hard

Wire

Only

GRN

TB1

WHT

BLK

RED

WHT

1

2

RED *

BLK

3

RED

*

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.

EXTERNAL SERVICE PANEL

BOX DISCONNECT MEANS

MUST BE LOCATED NO CLOSER

THAN 5 FT. (1.52m) FROM THE

INSIDE WALLS OF THE SPA AND

WITHIN SIGHT OF SPA

MAIN POWER

ON//OFF SHUTOFF

SWITCH

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