17
6.3 Circuit Board Jumpers (Domestic 60 Hz Models)
Circuit Board #6600-726, 6000-167 and 6600-288; Micro Chip 3.57+)
Pins 1-2: Jumper ON Enables 40A logic; forces heater off when either pump is
on high speed (Pump 2 only runs in high speed)
Pins 1-2: Jumper OFF Enables 50A logic; forces heater off when both pumps are
on high speed
Pins 3-4: Jumper ON Enables 2 Pump Operation
Pins 3-4: Jumper OFF Not Used. (Enables 1 Pumps Operation)
Pins 5-6: Jumper ON Enables 60A logic; (Remove JP1 1-2 Jumper). Allows the
heater to operate when both pumps are on high speed.
Pins 5-6: Jumper OFF Leave off for 40A or 50A Logic
Pins 7-8: Jumper ON Enables Celsius (°C) temperature display
Pins 7-8: Jumper OFF Enables Fahrenheit (°F) temperature display
Circuit Board #6600-724, 6600-044 and 6600-286; Micro Chip 3.57+)
Pins 1-2: Jumper ON Enables 15A logic; forces heater off when pump is on high
speed (3-wire 120 VAC operation only)
Pins 1-2: Jumper ON Enables 30A logic; forces heater off when pump is on high
speed (4- +wire 120/240 VAC operation only)
Pins 1-2: Jumper OFF Enables 40A logic; allows the heater to operate when
pump is on high speed (4-wire 120/240 VAC operation
only)
Pins 3-4: Jumper ON Not Used
Pins 3-4: Jumper OFF Enables 1 Pump Operation
Pins 7-8: Jumper ON Enables Celsius (°C) temperature display
Pins 7-8: Jumper OFF Enables Fahrenheit (°F) temperature display
Circuit Board #6600-720, 6600-046 and 6600-287; Micro Chip 5.57+
Pins 1-2: Jumper ON Enables 40A logic; forces heater off when either pump is
on high speed (Pump 2 only runs in high speed)
Pins 1-2: Jumper OFF Enables 50A logic; forces heater off when both pumps are
on high speed
Pins 3-4: Jumper ON Enables 2 Pump Operation
Pins 3-4: Jumper OFF Enables 1 Pump Operation
Pins 5-6: Jumper ON Enables 60A logic; (Remove JP1 1-2 Jumper). Allows the
heater to operate when both pumps are on high speed
Pins 5-6: Jumper OFF Leave off for 40A or 50A Logic
Pins 7-8: Jumper ON Enables Celsius (°C) temperature display
Pins 7-8: Jumper OFF Enables Fahrenheit (°F) temperature display
Circuit Board #6600-722, 6600-042 and 6600-289; Micro Chip 5.57+
Pins 1-2: Jumper ON Enables 15A logic; forces heater off when pump is on high
speed (3-wire 120 VAC operation only)
Pins 1-2: Jumper ON Enables 30A logic; forces heater off when pump is on high
speed (4-wire 240 VAC operation only)
Pins 1-2: Jumper OFF Enables 40A logic; allows the heater to operate when
pump is on high speed (4-wire 120/240 VAC operation
only)
Pins 3-4: Jumper ON Not Used
Pins 3-4: Jumper OFF Enables 1 Pump Operation
Pins 7-8: Jumper ON Enables Celsius (°C) temperature display
Pins 7-8: Jumper OFF Enables Fahrenheit (°F) temperature display
RED
J6
BLK
J5
J1
J2
J3
J4
F1
JP1
4
2
3
1
6 5
8 7
7 6 2 4
J20
K1
K2
K3
K4
K5
K6 K7 K8
J21
J11
J12
J13
J14
J15
J16
J17
J18
J19
J7 J8
J9
J10
JP1
4
2
3
1
6 5
8 7
WHT
J2
J3
J4
J20
J21
J12
J14
J16
J11
J15
J13
J17 J7 J8 J9 J10
J5
J6
Heater IN Heater OUT
F1*
K1
K2
K3
K4
K5 K7 K8
J1
W
BK Y
Y
JP1
4
2
3
1
6 5
8 7
JP1
4
2
3
1
6 5
8 7
RED
J6
BLK
J5
J1
J2
J3
J4
F1
JP1
4
2
3
1
6 5
8 7
7 6 2 4
J20
K1
K2
K3
K4
K5
K6 K7 K8
J21
J11
J12
J13
J14
J15
J16
J17
J18
J19
J7 J8
J9
J10
JP1
4
2
3
1
6 5
8 7
WHT
J2
J3
J4
J21
J12
J14
J16
J11
J15
J13
J17 J7 J8 J9 J10
J5
J6
Heater IN Heater OUT
F1*
K1
K2
K3
K4
K5 K7 K8
J1
W
BK Y
Y
JP1
4
2
3
1
6 5
8 7
JP1
4
2
3
1
6 5
8 7