Balboa ML550 User Manual

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ML550, 551, 554 Panel Operation
Cool/Warm
ML500, 551, 554
Press the “Cool” or “Warm” button once to display the set
temperature. Each time either button is pressed again, the
set temperature will increase or decrease depending on
which button is pressed. After three seconds, the LCD will
automatically display the last measured spa temperature.
Mode
ML500, 551, 554
This button is used to switch between Standard,
Economy, and Sleep modes. Press “Mode” to enter mode
programming, press “Cool” to cycle through to desired
mode (LCD flashes until confirmed), then press “Mode” to
confirm selection.
Sleep mode heats the spa to within 11°C (20°F) of the set
temperature only during filter cycles. “
” will appear on
the display until mode is changed.
Standby Mode
Pressing “Cool” or “Warm” followed by “Blower” or “Jets 2”
or “Aux” will turn off all spa functions temporarily. This is
helpful when changing a filter. Pressing any button exits
Standby mode. On some systems the “Jets 1” button will
control the pump in Standby Mode (“Drain Mode”). In this
case, press any other button to exit. System will revert to
previous mode after 1 hour.
Jets 1
Press the “Jets 1” button once to turn pump 1 on or off, and
to shift between low and high speeds if equipped. If left
running, the pump will turn off after a time-out period. The
pump 1 low speed time-out on some systems may be as
long as 4 hours.
On non-circ systems, the low speed of pump 1 runs when
the blower or any other pump is on. It may also activate
for at least 1 minute every 30 minutes to detect the spa
temperature (polling) and then to heat to the set temperature
if needed, depending upon mode. When the low speed turns
on automatically, it cannot be deactivated from the panel;
however, the high speed may be started.
Jets 2
(optional on some systems)
Press the “Jets 2” button once to turn pump 2 on or off, and
to shift between low and high speeds if it is a two-speed
pump. If left running, the pump will turn off after a
time-out period.
Please refer to the following User Guides for more detailed information:
ML551/ML554 User Guide: P/N 40632-99
ML 550 User Guide: P/N 40569-99
ML551 ML554
HeatHeat
Warm
Light
Warm
Jets 1
Jets 2
Light
Mode
Cool
Blower
ML550
HeatHeat
Warm
Light
Warm
Jets 1
Jets 2
Light
Mode
Cool
Blower
Heat
Cool Warm Jets 1 Jets 2 Blower Light Mode

Balboa ML550 Specifications

General

Brand	Balboa
Model	ML550
Category	Control Panel
Language	English

Summary

ML550, 551, 554 Panel Operation

Cool/Warm Temperature Adjustment

Adjusts set temperature by pressing 'Cool' or 'Warm' buttons.

Mode Selection

Switches between Standard, Economy, and Sleep modes.

Standby Mode Operation

Temporarily turns off spa functions for filter changes or maintenance.

Jets 1 Pump Control

Controls Pump 1, shifting between low and high speeds if equipped.

Jets 2 Pump Control

Controls Pump 2 on/off and shifts speeds if equipped.

Blower and Light Operations

Blower Speed Control

Controls blower speed and auto-shutoff features.

Spa Light Functionality

Controls spa light and fiber optic light functions.

Freeze Protection System

Activates pumps and blower to prevent freezing.

Panel Locking Features

Panel locking features and their availability.

Optional System Cycles and User Preferences

Clean-up Cycle Functionality

Initiates a clean-up cycle after pump or blower use.

Circulation Pump Modes

Details different operational modes for the circulation pump.

Ozone Generator Operation

Ozone generator operation during filter and clean-up cycles.

Accessing Spa Information

Accesses system information like SSID and software version.

User Preferences Customization

Customizes spa operation through a submenu.

Dolphin Integration and Preference Editing

Dolphin II Address Setting

Sets the address for Dolphin II integration.

Editing User Preferences

Guides on viewing and editing user preference settings.

ML200-400 Series Panel Operation

ML400 Panel Introduction

Overview of the ML400 panel and its functions.

ML400 Initial Start-up

Details the spa's initial startup sequence and priming mode.

ML400 Temperature Control

Adjusts the spa's set temperature.

ML400 Mode Management

Explains Standard, Economy, and Sleep modes for ML400.

ML400 Specific Functions

ML400 Standby Mode

Turns off spa functions temporarily on the ML400 panel.

ML400 Jets 1 Operation

Controls Pump 1 on ML400, shifting speeds and timeout.

ML400 Jets 2/Auxiliary Control

Controls Pump 2 on ML400 via the 'Aux' button.

ML400 Blower Control

Controls blower speed on ML400 via the 'Aux' button.

ML400 Circ Pump Modes

Describes circ pump operation modes for ML400.

ML400 Light Operation

Controls spa and fiber optic lights on ML400.

ML400 Optional Features and Controls

ML400 Ozone Functionality

Ozone generator operation on ML400 systems.

ML400 Clean-up Cycle

Clean-up cycle behavior on ML400 systems.

ML400 Freeze Protection

ML400 freeze protection mechanism.

ML400 Locking Features

ML400 panel locking features.

ML400 Filter Cycle Programming

Configuration of preset filter cycles on ML400.

ML400 Information Display

Accessing system information on ML400.

ML400 User Preferences Management

ML400 User Preferences Menu

Customizing spa operations via user preferences on ML400.

ML400 Editing Preferences

Steps to view and edit user preferences on ML400.

GL Series Persistent Memory and Power Up

Persistent Memory Functionality

Explains Persistent Memory function and importance.

Resetting Persistent Memory

Procedure to reset Persistent Memory.

Memory and Time Retention

Details Persistent Memory and Time of Day retention.

Power Up Display Sequence

Describes the power-up display sequence and software ID.

VL Series Panel Overview

VL Panel Line-up

Overview of the VL Series panel models.

GS Panel 500 Series Operation

GS 500 Initial Start-up

Details the initial startup and priming mode for GS 500 Series.

GS 500 Temperature Control

Explains temperature display and setting for GS 500 Series.

GS 500 Series Controls and Modes

GS 500 Jets and Light Operation

Operation of Jets 1, Jets 2/3, and Blower for GS 500 Series.

GS 500 Time Setting

Procedure to set the time of day on GS 500 Series.

GS 500 Mode and Programming

Explains mode selection and programming for GS 500 Series panels.

GS 500 Series Cycles and Security

GS 500 Filter Cycle Programming

Details preset and optional filter cycle programming.

GS 500DZ Panel Locking

Procedure to lock and unlock the 500DZ panel.

GS 500DZ Temperature Locking

Procedure to lock and unlock temperature settings on 500DZ.

GS 500 Ozone Function

Ozone generator operation during filtration for GS 500 Series.

GS Persistent Memory with VL Panels

Resetting GS Persistent Memory

Steps to reset Persistent Memory on GS Series with VL Panels.

GS Memory and Time Retention

Explains memory and time retention for GS Series.

GS Power Up Display

Describes the power-up display sequence for GS Series.

System Circuit Board Replacement

Removing System Circuit Board

Step-by-step guide to removing the system circuit board.

Replacing System Circuit Board

Instructions for installing a new system circuit board.

Testing the Sensor Set

Sensor Troubleshooting and Replacement

Guides for testing sensor wires, connections, and replacement.

Removing the Heater Assembly

Heater Assembly Removal Procedure

Step-by-step instructions for safely removing the heater assembly.

Panel Message Reference Guide

Message Descriptions and Actions

Explains panel messages and required actions.