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Mac Plus 48V Models – User and Installation Manual TABLE OF CONTENTS Adding the Mac Plus to a MasterBus 1. Safety Instructions ......3 network ..........16 Warnings and symbols ......3 Adding the Mac Plus to a CZone General ........... 3 network ..........16 Explosive gases ........
Do not install the Mac Plus in a poorly ventilated room, this may result in overheating. Use of an attachment or spare part, not recommended or sold by Mastervolt, may result in a risk of fire, electric shock, or injury to persons.
Mac Plus 48V Models – User and Installation Manual Except for the connection compartment, the Mac Plus may not be opened or disassembled. There are no serviceable parts inside the cabinet. Take it to a qualified, authorized and trained service technician when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire.
Warning regarding life support applications Do not use the Mac Plus for applications in any medical equipment intended for use as a component of a life support system. For this type of use a specific written agreement between the customer and Mastervolt is required.
Use that is inconsistent with the purpose of the product. Warranty The Mastervolt product warranty covers the Mac Plus for the first two years after the purchase date, on the condition that the product is installed and used according to the instructions in this manual.
Mac Plus 48V Models – User and Installation Manual Identification label Important technical information required for service, maintenance & secondary delivery of parts can be derived from the identification label. The following picture is only an example! (Serial number R221A1000 with device hardware version A) CAUTION! Never remove the identification label.
Mac Plus 48V Models – User and Installation Manual 3. Product Description The Mac Plus charger converts a DC (battery) voltage to a regulated DC voltage. The left side is the high side (36/48V) and the right side is the low side (12/24V). The Mac Plus can use each side as input or output.
Mac Plus 48V Models – User and Installation Manual Front panel Front panel Status LED (2x) + Low side (12/24V) Ground + High side (36/48V) MasterBus/CZone connection (2x) DIP switches Accessories connector Pin 1: + battery voltage sense input Pin 2: - battery voltage sense input Pin 3: change the charge direction trigger Pin 4: remote switch input Pin 5-6: battery temperature sensor input...
Mac Plus 48V Models – User and Installation Manual 4. Installation Instructions In addition to the Mac Plus the delivery includes: • Battery temperature sensor; • Mastervolt-CZone drop cable (1m) ; • MasterBus Terminator; • User and installation manual. Installation steps: Place and mount the Mac Plus, see chapter 5;...
Mac Plus 48V Models – User and Installation Manual 5. Placement and Mounting Mount the Mac Plus with four M5 screws to a solid flat surface. CAUTION! As the Mac Plus may become warm, ensure that the Mac Plus is at least 10 cm (4”) away from any other objects.
Mac Plus 48V Models – User and Installation Manual 6. Connection Be aware that to keep the drawings clear and easy to read, cables have been drawn directly to the batteries. However, we advise to use busbars to distribute power. Busbars are not only safer, but they also make installation and maintenance easier.
(see chapter 9) or by CZone (see chapter 10). Battery temperature sensor (pins 5 & 6) By installing the Mastervolt battery temperature sensor (included), the charge voltages are automatically adapted for deviating temperatures. When the battery temperature is low, the charge voltage increases.
Mac Plus 48V Models – User and Installation Manual In our example, battery 2 is the service battery. Note that temperature compensation is only supported in the default direction of the current flow. Battery 2 Battery 1 Voltage drop compensation (pins 1 & 2) The Mac Plus can compensate cable losses.
Disconnect the backbone at the closest backbone connection and add in a tee connector. Reconnect the backbone connection(s) with the new tee connector in place. Connect the RJ45 Mastervolt-CZone drop cable to the black coupler on the tee and then connect to the Mac Plus.
Mac Plus 48V Models – User and Installation Manual 7. Configuration – DIP Switches The Mac Plus settings can be adjusted in two ways: • By means of DIP switches; • From a monitoring panel, for example the EasyView 5 (MasterBus) or the Touch 10 (CZone), or from a computer with MasterAdjust or the CZone Configuration Tool.
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Mac Plus 48V Models – User and Installation Manual DIP switch 2 MasterBus communication Smart on; no MasterBus communication in sleep mode (no load <2Ma) MasterBus communication always on, provided there is enough input power. In Sleep mode, no communication <1mA In Standy, but still communicating <10mA DIP switch Battery type...
Mac Plus 48V Models – User and Installation Manual 8. Operation The Mac Plus has no on/off switch. If required, a remote switch may be used. See page 14. LED indicators The Mac Plus features two LED indicators. Either the left arrow LED or the right arrow LED indicates the status of the Mac Plus.
Mac Plus 48V Models – User and Installation Manual Operating modes Note: To keep the drawings in this section easy to read, only the positive (+) cables have been drawn. The alternator could also be a charger. • Charger mode: When incoming DC power is available, both batteries will be charged. SERVICE BATTERY STARTER...
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Mac Plus 48V Models – User and Installation Manual • CV (Constant Voltage) Power control mode: When incoming DC power is limited, the Mac Plus can reduce its battery charger output. This prevents the starter battery from being drained. The power sharing level is adjustable through the “Input setpoint” setting. Let’s assume a system with a Mac Plus To prevent this, select the CV Power Control 48/12-50 and a 70A alternator.
Mac Plus 48V Models – User and Installation Manual Bi-directional operation Reversing the charge direction can for example be used for temporarily boosting the starter battery. Selecting the direction of the current flow can be done manually or automatically. The default direction of a Mac Plus is the direction indicated by the product name.
For central monitoring and control of the connected devices Mastervolt offers a wide range of panels which show full status information of your electrical system at a glance and a push of a button. See www.mastervolt.com for all available options.
Mac Plus 48V Models – User and Installation Manual Monitoring Value Meaning Status Device state Shows the actual operation mode: Standby / Charging / Alarm Charge state State of charge algorithm: Off / Bulk / Absorption / Float / Constant voltage / Stopped On/Standby Button to toggle the device state.
Mac Plus 48V Models – User and Installation Manual Alarm Value Meaning General Dev. temp. high Internal temperature is too high Dev. temp. low Internal temperature is too low Bat. temp. high Battery temperature is too high (> 55 ºC [131 ºF]) Bat.
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Mac Plus 48V Models – User and Installation Manual Setting Meaning Factory setting Adjustable range Events locked Option to lock the events On, Off (requires installer rights) Device Version Firmware main version (read only) Revision Product version (read only) Bootloader ver. Firmware bootloader version (read only) Direction config (you need to login as installer to see the following parameters)
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Mac Plus 48V Models – User and Installation Manual Setting Meaning Factory setting Adjustable range Select how long the Mac Plus will 5 sec. 1, 2, 5, 10, 20 seconds Sleep duration be inactive. A higher duration results in lower consumption. Charger Method Charge method...
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Mac Plus 48V Models – User and Installation Manual Setting Meaning Factory setting Adjustable range Absorption Abs. voltage Absorption voltage 14.25 V* 8-15 V* Max absorp. Maximum absorption time 240 min 0-1440 min time Min absorp. time Minimum absorption time 15 min 0-240 min Return amps (A)
Mac Plus 48V Models – User and Installation Manual Events A MasterBus device can be programmed to initiate an action at another connected device. This is very helpful in automation of your system but is not required. In MasterBus this is done by means of Mac Plus event-based commands.
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Mac Plus 48V Models – User and Installation Manual Mac Plus can be configured as an event source. An event source can be used to initiate an event command and an event action by another device. Event source Meaning Standby Device state is Standby Bulk State of charge is Bulk...
Mac Plus 48V Models – User and Installation Manual 10. CZone What is CZone The CZone® network is an NMEA 2000-compliant CAN-based system. Either do the configuration while connected to the network or use a prepared configuration file (.zcf). Ensure that a DIP Switch is assigned.
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Mac Plus 48V Models – User and Installation Manual Note that only when the Bi-Directional option is selected, there will be two tabs. One for the high side (36/48V) and one for the low side (12/24V). Each with the same settings. For battery types other than "User defined": - Select the Charge Method (3-Step+, or Constant voltage).
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Mac Plus 48V Models – User and Installation Manual 11. Select the required Alarm Severities and levels. 12. Press OK. 13. Option: Press the Circuits tab to Add a new circuit (bottom left). For example, a stop charge switch that switches off the Mac Plus when a battery charger comes on. By default, two circuits will be created.
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Mac Plus 48V Models – User and Installation Manual • Input/Throws (switch configuration) can be Standby, Bulk, Absorption, Float or Alarm. • State (circuit load configuration) can be On, Off, Bulk, Absorption or Float. 14. Click OK to close the Circuit Load Configuration window 15.
Mac Plus 48V Models – User and Installation Manual 11. Trouble Shooting Malfunction Possible cause What to do No output voltage No input voltage Check wiring and/or current Input voltage too low Check input voltage, check configuration No enable signal on the Check remote switch input remote switch input The primary (input) battery...
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Mac Plus 48V Models – User and Installation Manual Malfunction Possible cause What to do Slow or no Error in the MasterBus Check the MasterBus cables. MasterBus wiring. communication. No terminating device MasterBus needs a terminating device on both placed at the ends of the ends of the network.
Battery Status Battery settings Note: the following charge specifications are based on Mastervolt batteries. Specifications for a given chemistry of a different manufacturer may vary. If connecting batteries of a different manufacturer, make sure the manufacturer's recommendations are met. Select User defined to be able to adjust the battery settings in either MasterAdjust or in the CZone Configuration Tool.
Mac Plus 48V Models – User and Installation Manual Characteristics Figure 2. Typical charge characteristic (at 25°C / 77°F). For a 24 V battery charger, multiply the voltages by two. For a 36 V charger, multiply by three. For a 48 V charger, multiply by four.
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