20
Fill it up!
Preparation and Filling
Fill the spa to its correct operating level. Be sure to open all valves and jets in the plumbing system before
filling to allow as much air as possible to escape from the plumbing and the control system during the filling
process.
After turning the power on at the main power panel, the top-side panel will display a splash screen or start-
up screen.
Priming Mode
– M019*
After the initial start-up sequence, the control will enter Priming Mode and display a Priming Mode screen.
Only pump icons appear on the priming mode screen. During the priming mode, the heater is disabled to
allow the priming process to be completed without the possibility of energizing the heater under low-flow
or no-flow conditions. Nothing comes on automatically, but the pump(s) can be energized by selecting the
“Jet” buttons. If the spa has a Circ Pump, it can be turned on and off by pressing the “Circ Pump” button
during Priming Mode.
Priming the Pumps
As soon as the Priming Mode screen appears on the panel,
select the “Jets 1” button once to start Pump 1 in low-speed
and then again to switch to high-speed. Also, select the other
pumps, to turn them on. The pumps should be running in high-
speed to facilitate priming. If the pumps have not primed after
2 minutes, and water is not flowing from the jets in the spa, do
not allow the pumps to continue to run. Turn off the pumps
and repeat the process. Note: Turning the power off and back
on again will initiate a new pump priming session. Sometimes
momentarily turning the pump off and on will help it to prime.
Do not do this more than 5 times. If the pump(s) will not prime, shut off the power to the spa and call for
service.
Important: A pump should not be allowed to run without priming for more than 2 minutes. Under NO
circumstances should a pump be allowed to run without priming beyond the end of the 4-5 minute priming
mode. Doing so may cause damage to the pump and cause the system to energize the heater and go into
an overheat condition.
Exiting Priming Mode
The system will automatically enter the normal heating and filtering at the end of the priming mode, which
lasts 4-5 minutes.
You can manually exit Priming Mode by pressing the “Exit” button on the Priming Mode Screen. Note that
if you do not manually exit the priming mode as described above, the priming mode will be automatically
terminated after 4-5 minutes. Be sure that the pump(s) have been primed by this time.
Once the system has exited Priming Mode, the top-side panel will display the Main Screen, but the display
will not show the temperature yet, as shown below. This is because the system requires approximately 1
minute of water flowing through the heater to determine the water temperature and display it.
– – –°F
– – –°C
