Table of Contents
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1 GENERAL INFORMATION
1.1
Use of this manual
This installation manual must be read in combination with the standard user manual that is supplied with each unit.
CAUTION!
Read chapter SAFETY GUIDELINES AND WARNINGS of the user manual
that comes with the unit.
Every person who works with the Mass Sine Ultra should be familiar with the contents of this manual and must carefully follow
the instructions contained herein.
1.2
Validity of this manual
This installation manual serves as a guideline for the safe and effective installation and commissioning of the Mass Sine Ultra
(MSU) in a multiple unit configuration. This can be a parallel configuration, a three-phase configuration, or a combined three-
phase and parallel configuration.
1.3
Purpose of a multiple configuration
There are several reasons for a multiple unit configuration:
•
If more output power is needed than one unit can supply, two up to ten MSU units can be installed in parallel.
•
If redundancy is required, units can be installed in parallel to maintain reliable power supply. If one of the units should fail,
the remaining units continue.
•
Three MSU units can be installed in a 3-phase configuration to supply three-phase AC power for high-power loads like air-
conditioning. By connecting more units in parallel as well, virtually unlimited three-phase power can be made available.
1.4
General installation guidelines
When using units in a multiple unit configuration, the following requirements are applicable in addition to the requirements
mentioned in the user manual:
•
Maximum number of units in parallel: 10.
•
Maximum number of units in a three-phase parallel configuration: 3 x 3.
•
Installation and commissioning of multiple units requires configuration of MasterBus settings in MasterAdjust from a
Windows PC connected to a unit via a MasterBus USB Interface. MasterAdjust software is available as free to download
software on the Mastervolt website: www.mastervolt.com. The installer must be familiar with the configuration tool.
•
Allow sufficient ventilation to prevent build-up of hot air. When installing multiple units either side by side or vertically above
each other, at least 10 cm free space must be kept between the units. If necessary, adequate measures must be taken to
avoid one unit heating up the other.
•
Keep DC cables to the units all the same length and size. Keep the cable lengths as short as possible!
WARNING!
High currents will pass through the wiring! The wire sizes stated in this manual are only
guidelines. Fusing is based on the size and length of the cable, which in turn depend on the load
connected to the unit. Always comply with all local rules and regulations.
1.5
Overview Mass Sine Ultra
1. Display with front
switch
2. Battery negative
3. Battery positive
4. AC output
5. DIP switch unit (1x8)
6. Fan (3x)
7. Ground stud
8. Sync connector (2x)
9. MasterBus connector
(2x)
Mass Sine Ultra – Installation Manual Multiple Units
Remove the cover
by loosening these
two screws:
3
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