View and Download Balboa Instruments ML400 user manual online. EL/GL Series - Mach 3. ML400 control panel pdf manual download. View online (9 pages) or download PDF (683 KB) Balboa Instruments ML400 User Guide • ML400 above ground pool accessories PDF manual download and more Balboa The ML400 panel can be used as a main panel with the EL2000 and EL1000 systems, but only as a remote/additional panel for the EL8000 and EL5000 systems. Home > Balboa ML Series Topside Panel Reference Guide. Balboa Water Group (ML Series) ML400 (EL/GL Series Mach 3) User Guide, ENGLISH · FRENCH · GERMAN The ML400 topside panel (52684, 53291) has 4 buttons and is compatible with the Balboa GL spa control systems : GL2000 M3, GL2001 M3 and GL8000 M3. Please see the M-7 Installation Instruction Manual for complete instructions on Power-up and Pump Priming. The Priming mode will last for up to 4 minutes and. M7 is a patented Balboa technology that uses two sensors inserted at the opposite ends of the heater element to determine flow, dry fire conditions, etc.mode (after displaying some configuration information). complete instructions on Power-up and Pump Priming. The Priming mode will last for up to 4 minutes and ML400. OPERATING INSTRUCTIONS. GL Series Control. (Circulation & Boost Pump). INITIAL START-UP. When your Spa is first powered up, it will go into Priming