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CAUTION
•
Before use of the pump and heater, test the GFCI for proper operation.
•
The pump and/or heater should turn off when the GFCI "Test" button is pressed.
Figure 1
Figure 3
Once the heater is installed, operation is totally automatic. The heater will help maintain the temperature of the water
in the bathtub, or increase the temperature of the water in the bathtub at about two to four degrees Fahrenheit per
hour. The heater includes the following components.
THERMOSTAT: The "Smart Thermostat" requires no adjustment and will automatically maintain the temperature
at 102º-104º Fahrenheit. If the bathtub is too warm, simply adjust by adding cold water. See Important Safety
Instructions.
HIGH LIMIT: The heater includes an exclusive "Intelligent High-Limit". This safety circuit will not "false trip" from hot
tap water. It will only turn the heater off if the thermostat fails. To reset, simply press the red button. If the high-limit
trips frequently, call a service technician.
INDICATOR LIGHT: The light turns on when the heater is operating.
PRESSURE/VACUUM SWITCH: The heater is equipped with a preset pressure or vacuum switch. The pump must
be running with water flowing in the whirlpool to allow the heater to turn on. NOTE: Smaller fractional horsepower
pumps may not activate the heater. Contact your dealer for troubleshooting procedures.
30A 115V
OR
20A 230V
BRANCH
CIRCUIT
GFCI
BLACK (HOT)
WHITE (COM)
GREEN (GRND)
3 COND
3 COND
PRESSURE INSTALLATION
15A 115V
15A 115V
OR
OR
10A 230V
10A 230V
BRANCH
BRANCH
CIRCUIT
CIRCUIT
GFCI
GFCI
3 COND
3 COND
Figure 2
Figure 4
Figure 5
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