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6.0 Understanding Circuit Board Pin Assignments
6.1 Circuit Board Jumpers (All North American 60Hz 2-Pump Models)
All North American 2-pump circuit boards can be configured for either 40, 50A, or 60A operation.
Refer to jumper pin table and circuit board diagram below for specific system details (factory jumper
settings shown):
Circuit Board #6600-293; Micro Chip 3.82+ (started started July 15, 2014)
Pins 1-2:
Jumper ON
Pins 1-2:
Jumper OFF Enables 50A logic; heater will operate while one pump
Pins 3-4:
Jumper ON
Pins 3-4:
Jumper OFF Not Used. (Enables 1 Pumps Operation)
Pins 5-6:
Jumper ON
Pins 5-6:
Jumper OFF Leave off for 40A or 50A Logic
Pins 7-8:
Jumper ON
Pins 7-8:
Jumper OFF Enables Fahrenheit (°F) temperature display
6.2 Circuit Board Jumpers (All Export 50 Hz 2-Pump Models)
These circuit boards can be configured for 20A, 30A or 40A logic modes. Each mode affects overall
energy consumption and heater performance.
Pins 1-2:
Jumper ON
Pins 1-2:
Jumper OFF Enables 30A logic; heater will operate with one jets pump running.
Pins 3-4:
Jumper ON
Pins 3-4:
Jumper OFF Enables 1 Pump Operation
Pins 5-6:
Jumper ON
Pins 5-6:
Jumper OFF Leave off for 20A or 30A logic setting
Pins 7-8:
Jumper ON
Pins 7-8:
Jumper OFF Enables Fahrenheit (°F) temperature display
6.3 Circuit Board Jumpers (All North American 60 Hz 1-Pump Models)
All North American 1-pump circuit boards can be configured for either 120V/15A or 240V at 30A or
40A operation. Refer to jumper pin table and circuit board diagrams below for specific system details
(factory jumper settings shown):
Circuit Board #6600-295; Micro Chip 3.82+ (started July 15th 2014)
Pins 1-2:
Jumper ON
Pins 1-2:
Jumper ON
Pins 1-2:
Jumper OFF Enables 40A logic; allows the heater to operate when
Pins 3-4:
Jumper ON
Pins 3-4:
Jumper OFF Enables 1 Pump Operation
Pins 7-8:
Jumper ON
Pins 7-8:
Jumper OFF Enables Fahrenheit (°F) temperature display
12
Enables 40A logic; heater will not operate while any
pump is running.
are running. This is the factory default.
Enables 2 Pump Operation
Enables 60A logic; (Remove JP1 1-2 Jumper). Allows
the heater to operate when both pumps are on running.
Enables Celsius (°C) temperature display
Enables 20A logic; heater will not operate while any jets pump is running.
This is the factory default.
Enables 2 Pump Operation
40A logic (Remove JP1 1-2 Jumper); allow heater to operate with both jets
pumps running in high speed
Enables Celsius (°C) temperature display
Enables 15A logic; forces heater off when pump is on
high speed (3-wire 120 VAC operation only). This is
the factory default.
Enables 30A logic; forces heater off when pump is on
high speed (4-wire 120/240 VAC operation only)
pump is on high speed (4-wire 120/240 VAC opera-
tion only)
Not Used
Enables Celsius (°C) temperature display
J20
J1
K1
J21
JP1
JP1
8
7
6
5
4
3
J11
8
7
2
1
K2
J12
6
5
J2
J13
K3
J14
4
3
J3
K4
J15
2
1
J16
K5
J17
J4
J18
K6
K7
K8
J19
F1
RED
BLK
7
6
2
J9
4
J7
J8
J10
J6
J5
J20
J1
K1
J21
JP1
JP1
8
7
6
5
4
3
J11
8
7
2
1
K2
J12
6
5
J2
J13
K3
J14
4
3
J3
J15
K4
2
1
J16
K5
J17
J4
J18
K6
K7
K8
J19
F1
RED
BLK
7
6
J9
2
4
J7
J8
J10
J6
J5
- Quick Links:
- J-300 Control Panel (2014+)
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Troubleshooting
