Below is a list of common questions about the E-Maax Pro Smart Exterior Regulator. If your questions is not answered below feel free to contact us directly with your questions and we’ll respond to you promptly.
If you’re ready to buy: You can view the independent features of the E-MAAX Basic, Advanced and Advanced Pro smart regulators before you buy below :
How is the E-MAAX different than other external voltage regulators?
It might be faster and easier to answer how they’re the same…
The new E-MAAX voltage regulator is the result of a “ground up” development process that represents a complete “new generation” answer to smart voltage regulation. Unlike other multi-stage marine voltage regulators which rely on hardware and software that dates back to the late 1990’s, the E-MAAX relies on up-to-date components and completely new software to address many of the issues that have plagued older regulator technologies.
In previous products, the boater has had to choose between regulators that were unable to integrate with other system functions, or spend excessive amounts of money to purchase bus-based systems that allowed the regulator to communicate with other charging system components. The E-MAAX solves the communication problem with its own intelligent remote panel display.
Any boater who has had to lay upside-down in the engine compartment while trying to program their regulator with a tiny screwdriver will appreciate the E-MAAX regulator’s convenient remote panel display. Installed in the comfort of the cabin, the remote panel provides convenient push-button access to all of the regulator’s programming functions without requiring the user to snake their way into the bowels of the vessel.
In addition, the remote panel provides a quick and very-intuitive source of information about charging progress. A graphic “charge status” display offers, with a quick look, immediate info regarding the condition of your batteries. A backlit 32-digit display offers data, in real language, so you won’t have to grab your manual to translate.
The E-MAAX is equipped with faster, higher capacity processing capability, so it can deliver unsurpassed responsiveness to changes in battery condition. With the addition of greater computing power, the E-MAAX offers the ability to utilize more data input from more sources than any other regulator on the market.
To do this, the E-MAAX introduces a collection of remote sensing and activation modules which can do anything from, monitoring engine temperature to sending the regulator a warning if there is a short or blown fuse in the system. With a customizable temperature bug, you can even display the temperature of your cold plate, or even the ocean temperature on your system’s remote display.
Because of its unique ability to communicate with a multitude of E-MAAX components, the system can address difficult applications with much more intelligence than other products on the market. In the case of dual engine systems, like those found on multihull sailboats, the E-MAAX can enable port and starboard regulators to recognize each other and work together to share loads and support a large single house battery bank — where other regulators would fight each other and perform inefficiently.
By communicating back and forth, the two regulators are able to share loads between alternators, and quickly respond to changing battery conditions.
E-MAAX voltage regulators are available in configurations to support 12-volt or 24-volt systems, as well as P-type or N-type alternator field circuits.
What types of batteries are supported by the E-MAAX regulator?
The E-MAAX offers selectable preset programs for most battery types, including: standard flooded, deep-cycle flooded, gel, AGM, Spiral Wound and TPPL battery types, and technology lithium ion batteries. In addition, the E-MAAX offers the ability to modify a wealth of time and voltage values to customize charging for special circumstances.
The E-MAAX system includes the ability to sense battery temperature. As battery temperatures change, the E-MAAX can modify charging voltages to ensure safe and optimal charging.
Does the regulator have to be mounted close to the engine?
No. Unlike other multi-stage regulators which are limited to a short wiring harness, the E-MAAX can be located in a position that’s better protected and more convenient for the user. The CPU module (the heart of the regulator) can be mounted up to 10 feet from the alternator, and the remote panel can be mounted up to 15 feet from the CPU. In essence, you can control charging from up to 25 feet from the engine.
Can I use the E-MAAX with my existing alternator?
If your 12 or 24-volt alternator is already being regulated by an external voltage regulator, there’s an E-MAAX regulator that’s going to be compatible. If your alternator has a built-in voltage regulator, the may be some modification required for the alternator (basically, disabling the internal regulator and a diode trio, if equipped).
Can the E-MAAX be upgraded as new features are introduced?
Yes. The E-MAAX software and hardware architecture was designed to be upgradeable as software and new modules are made available. Unlike other regulators that are potted in epoxy resin, E-MAAX boards are coated in a thin, protective barrier which can still be accessed with updated code.
Can the E-MAAX measure current as well as voltage?
First generation E-MAAX regulators are engineered to use voltage exclusively as a measure for regulation, but modules are in development to enable the E-MAAX to use alternator output current and battery load current as factors for regulation. In addition, the ability for the system to measure charging and load currents will enable the E-MAAX remote panel to act as a convenient tool for battery monitoring as well as regulation.
The E-MAAX can monitor engine temperature as well as alternator and battery temperature?
Yes. By measuring the temperature of the engine block, the E-MAAX can determine when the engine is sufficiently warmed up to handle the additional horsepower load of a high-output alternator. This is automatically calculated in the regulator’s start delay/soft ramp mode when the engine temperature sensor is detected. If the sensor is not installed, the regulator uses a timer to initiate charging.
How do all of the E-MAAX’s “Sensors” communicate?
The E-MAAX engineering team has developed a unique one-wire data transmit protocol that allows the CPU to communicate with the remote panel and all of the bugs installed in the system.
Each component of the system has a specific address which identifies its purpose and behaviors – ranging from temperature sensing to circuit monitoring to stator output compensation. During start-up, the CPU polls all of the available bugs and begins communication throughout the system. Pertinent data from the bugs is relayed to the remote panel for display.
Can the E-MAAX regulator be used to control two alternators at once?
That depends on how the alternators are set up and the type of alternators being used. If two alternators are installed on the same engine, and are supplying power to the same battery bank, the field output from the E-MAAX is usually sufficient to drive two alternators.
On the other hand, the E-MAAX has been engineered to provide optimal charging when two regulators can work together to support two alternators that are charging the same battery bank. Not only does this provide redundancy in the system, it also ensures that both alternators are working at a comparable rate.
In applications where two alternators are installed on two separate engines (like a multihull or a twin engine sport fisher) two regulators are always recommended, as there may be times when only one engine is running. Two regulators should always be used if each alternator is charging a separate, isolated battery bank.
Do I need a separate component, like the Center-fielder, to control E-MAAX regulators in a twin engine system?
The “Center-fielder” is (for lack of a better explanation) a “smart” switch that monitors field and ignition voltage at port and starboard regulators. When it sees voltage at both regulators, it creates a pathway for one of the two regulators to provide field current to both alternators. That works, but if the regulators are any distance apart, the chances of inefficiency grows with the length of wire required to deliver current from the dominant regulator to the furthest alternator.
In addition, the dominant regulator is required to support both alternators’ field current needs, requiring it to deal with more heat and component wear. By allowing the port and starboard E-MAAX CPU’s to communicate and load share, much less stress is placed on any part of the system.
Can I use more than one remote panel on my boat?
Absolutely. The remote panel is like any other bug, in the fact that it is issued an address at start up. It would be perfectly acceptable to install a remote panel near the vessel’s distribution panel, and another at the flybridge.
Can I control the E-MAAX from my iPhone?
Not yet. At this point, the remote panel is the primary tool for programming and monitoring regulator activity. On the other hand, because of the ability to easily upgrade software and hardware, the first generation E-MAAX will be adaptable as new options become available.
How do I connect the E-MAAX components together?
The E-MAAX system uses a high-quality twist-lock connector system to ensure that connections are kept clean and secure. Connectors are male and female, so there’s little chance of hooking up the system incorrectly and the pin locations are always correct because the male and female connectors will only mesh if the pins are in the right position.
Unlike the spade terminals used on many regulators, E-MAAX twist-lock connectors are not prone to breakage and corrosion.
What is the E-MAAX warranty period?
Electromaax offers a one-year warranty period on the E-MAAX regulator system which is consistent with the period offered by most respected European marine electrical manufacturers.