Balboa 500SZ-Series Operation Guide
Initial Start-up
Your spa will enter Priming Mode (
) when it is energized.
During Priming Mode, press “Jets” button(s) repeatedly and be sure all pumps are free of air. Priming Mode lasts for less than 5 minutes. Press “Warm” or “Cool” to exit. After Priming Mode, the spa will run in Standard Mode (see Mode section).
The pump responsible for heating and filtration (pump 1 low-speed on non-circ system, or the circ pump on circ systems) will be referred to simply as the pump.
In multi-button sequences, if the buttons are pressed too quickly in sequence, they may not register.
Warm |
Cool |
Mode |
Jets |
Blower |
Light |
Button shapes and labels may vary.
Temp Control (80°F - 104°F / 26.0°C - 40.0°C)
The last measured water temperature is constantly displayed.
The water temperature displayed is current only when the pump has been running for at least 2 minutes.
To display the set temperature, press “Warm” or “Cool” once. To change the set temperature, press a temperature button again before the display stops flashing. After three seconds, the display will stop flashing and begin to display the current spa temperature.
Jets 1
Press “Jets 1” to turn pump 1 on or off, and to shift between low and high speeds (if equipped). The low-speed will turn off after 4 hours. High-speed will turn off after 15 minutes. Low-speed may run automatically at times, during which it cannot be deactivated from the panel, but high-speed may be operated.
Jets 2/Jets 3/Blower (If equipped)
Press the corresponding button once to turn the device on or off. The device will turn off after 15 minutes. Pump 2 may be two-speed on some systems.
Light
Press “Light” to operate the spa light. Turns off after 4 hours.
Automatic polling (in Standard Mode only)
The pump will activate for 1 to 2 minutes to check the temperature:
-every 30 minutes
-whenever any other pump or blower is turned on
-whenever the set temperature is raised
Mode
Mode is changed by pressing “Warm” or “Cool,” then pressing “Mode.”
Standard Mode maintains set temperature. 
will be displayed momentarily when you switch into Standard Mode.
Economy Mode heats the spa to the set temperature only during filter cycles. 
will display when water temp is not current, and will alternate with water temp when the pump is running.
Sleep Mode heats the spa to within 20°F/10°C of the set temperature only during filter cycles. 
will display when water temp is not current, and will alternate with water temp when the pump is running.
Preset Filter Cycles
The first preset filter cycle begins 6 minutes after the spa is energized. The second preset filter cycle begins 12 hours later. Filter duration is programmable for 2, 4, 6, or 8 hours or for continuous filtration (indicated by 
). The default filter time is 2 hours for non-circ systems and 4 hours for circ systems.
To program, press “Warm” or “Cool,” then “Jets 1.” Press “Warm” or “Cool” to adjust. Press “Jets 1” to exit programming.
For non-circ systems, low-speed pump 1 and the ozone generator
(if installed) run during filtration.
For 24 hour circulation systems, the circ pump and the ozone generator (if installed) run 24 hours. In hot environments, the circ pump may turn off for 30 minute periods, except during filter cycles.
For non-24 hour circulation systems, the circ pump and ozone generator (if installed) run during filtration (and may also run automatically at other times).
At the beginning of each filter cycle all other equipment will run briefly to purge the plumbing.
This document covers VS and GS systems 500SZ through 520SZ with Balboa Panels VL600S, VL700S, VL701S, or VL702S. www.balboawatergroup.com
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