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J-300
10.0 Operating Instructions
The spa control system has automatic functions that operate upon
start-up and normal operation to protect the system. Upon power up, the
readout displays the following information:
1. Control panel displays current software release
(e.g. 3.57), then;
2. Control panel displays “888” and all indicator LEDs
are lit, permitting visual inspection of all display seg-
ments and indicator lights for proper operation.
3. After the initial start-up sequence ends, the actual
water temperature is displayed. If water temperature
at this time is less then the factory default tempera-
ture setting of 100°F (38°C) and the spa is set to either standard
ltration/heating mode (page 28), the heater will turn on and run until
the water temperature rises to the factory setting, then turn off.
Note: It is common for the heater to turn on after the spa is rst lled
because tap water is often very cold.
10.1 Setting Water Temperature
The spa’s thermostat provides optimum control of water
temperature. The temperature set point (set temperature)
can be adjusted from 65-104°F (18-40°C). To raise the set
temperature, press the WARMER ( ) button. To lower the
set temperature, press the COOLER ( ) button. The rst press of either
WARMER ( ) or COOLER ( ) button displays the set temperature.
To access the overtemp feature that allows the spa to reach 106°F (41°C)
follow the steps below (Figure 1).
A. Press and hold the WARMER ( )
button then;
B. Press and hold the JETS 1 ( ) button
at the same time for 2 seconds. You
will see the temperature rise to 106°F
(41°C) on the LED display. To lower the
temperature, press the COOLER ( )
button.
C. When the overtemp has been activated, the white decimal point after
the last digit will ash on and off every second as an indicator for
being in the overtemp mode.
Note: Once the temperature goes below 104°F (40°C) and you would
like to raise the temperature to 106°F (41°C) again, you will have to
repeat the steps above.
10.2 Activate Jet Pumps
The control panel JETS 1 button activates jets pump 1. The
rst press activates low speed, the second press activates
high speed, and the third press shuts jets pump 1 off. The
JETS 2 button activates jets pump 2. The rst press activates high
speed, the second press turns jets pump 2 off. When manually activated,
either pump will automatically turn off after 20 minutes.
1.
2.
3.
A
B
C
Figure 1