A9 North American 60 Hz 120V/240V Convertible 1-Pump Models - Jacuzzi LED Series Manual

Standard troubleshooting approach
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A9
North American 60 Hz 120V/240V Convertible 1-Pump Models
Board is shown with 2013+ DCU with minidin connectors.
2011-2013 J300s only
2011-2012 Models used the ribbon style DCU.
This is a generic diagram actual connections and components may vary.
Light DCU
Ports 1-10
power spa
lights, waterfall
1
6
lights and step
2
7
lights on
3
8
applicable
models
4
9
5
10
Mini-Din Control
Panel Cable
EXP BAR
EXP BAR
POWER
Mini-Din Cable provides
constant 12 VAC from
yellow transformer wires
OR
LED Lighting
System DCU
Ozonator
OR
CLEARRAY
Optional
Circ.
C
Pump
(not offered
on all models)
Plug-in
GFCI
Cord (US
Models
Only) OR
Hard
Wire
WHT
BLK
WARNING, ELECTRICAL SHOCK HAZARD EXISTS! Always remove power to spa before wiring and/or configuring the circuit board
Hard
Wire
GRN
Only
TB1
WHT
WHT
1
BLK
BLK
2
3
RED
50
Transformer
120 VAC
J20
J21
J12
17
BLK
J14
15
J16
BLK
5
F1
J11
WHT
14
16
J15
K5
J5
4
6
WHT
J13
3
F1
J6
7
WHT
20A
J17
250V
20
SC-20
Main Pump
BLK
WHT
LO
HI
BLK
23
GRN
WHT
TB1
1
Standard 120 VAC 3-Wire Connection (60 Hz, 1 Phase, 15A Service),
1
USE COPPER CONDUCTORS ONLY. WIRE SIZE MUST MEET NEC RECOMENDATIONS
2
BLK
2
AND/OR LOCAL CODES AND IS DETERMINED BY MAXIMUM CURRENT DRAW AND
24
LENGTH OF RUN.
3
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
J1 Logic Jumper Settings
JP1 1-2 ON
JP1 1-2 OFF = 40A Logic (4-wire 120/240 VAC
Control
Control
Panel
Panel
JP1 7-8 ON
JP1 7-8 OFF = °F Temperature Display
JP1
8
7
Temperature Sensor
6
5
4
3
2
1
J2
21
Hi-limit/Freeze Sensor
22
J3
Pressure Switch
This device complies with Part 15 of the
FCC rules. Operation is subject to the
following two conditions:
K7
K8
1. This device may not cause harmful
interference.
2. This device must accept any inteference
received including interference that may
Heater IN
Heater OUT
cause undesired operation.
12
13
10 11
J9
J7
J8
J10
RED
BLK
RED
BLK
(Located inside the heater for certain models)
THERM
THERM
SWITCH
SWITCH
RED
= 30A Logic (4-wire 120/240 VAC
operation only)
operation only)
= °C Temperature Display
25
Heater
1.0 kW @ 120 VAC (3-wire connection)
26
4.0 kW @ 240 VAC (4-wire connection)

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