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J-300
240V/40A* 240V/50A** 240V/60A***
Circuit Breaker (2-Pole): 40A 50A 60A
Number of Wires: 3 3 3
Frequency: 60 Hz 60 Hz 60 Hz
Current Draw: 26A 36A 45A
*
In 40A conguration, the heater will not operate while either jets
pump is running in high speed. Note: pump 2 runs only in high
speed.
**
In 50A conguration, the heater will not operate while both jets
pumps are running in high speed. This is the factory setting.
Note: pump 2 runs only in high speed.
***
In 60A conguration the heater will operate while both jets pumps
are running in high speed.
120V/15A† 240V/30A† 240V/40A
‡
Circuit Breaker: 15A, 1-Pole 30A, 2-Pole 40A
2-Pole
Number of Wires: 3 (15A GFCI
Cord US
Only*)
4 (Hard Wire
Only)
4 (Hard Wire
Only)
Frequency: 60 Hz 60 Hz 60 Hz
Current Draw: 12A 21A 30A
(page 8).
†
In 15A/30A conguration, the heater will not operate while the jets
pump is running in high speed. The factory setting is 120V/15A.
‡
In 40A conguration, remove jumper JP1-2 on the board, to allow the
heater to operate while the jets pump is running in high speed.
‡
Caution (For 4-wire 240 VAC Heater Operation): Move the red
wire on the main terminal strip (TB1) from position #1 to position #3.
Make certain wires are connected exactly as shown in Figure D (Page
17) before applying power. Failure to do so will result in damage to the
circuit board and/or related components and void the manufactures
warranty.