To Next PageTo Next Page
Need help?Do you have a question about the Mastervolt Alpha 12/90 and is the answer not in the manual?
General| Brand | Mastervolt |
|---|---|
| Model | Alpha 12/90 |
| Category | Portable Generator |
| Language | English |
Guide for safe and effective operation, maintenance, and minor malfunction correction of Alpha alternator and Pro regulator.
Mastervolt guarantees unit built to applicable standards. Work not in accordance invalidates guarantee.
Units are tested and inspected prior to delivery. Standard guarantee period is two years.
Manual applies to standard versions of Alpha alternator/Pro regulator delivered by Mastervolt.
Mastervolt accepts no liability for consequential damage or manual errors.
Changes require written permission from Mastervolt.
Safety instructions and warnings marked by pictograms for attention, caution, and danger.
Use alternator/regulator for charging lead-acid batteries and powering loads in permanent systems.
User must have access to manual and be familiar with its contents.
Secure equipment before maintenance. Use only original spare parts.
Read all instructions, follow safety guidelines, use certified technicians for wiring.
Mastervolt products not sold for life support systems unless agreed in writing.
Avoid excessive discharge, high voltages, and short-circuiting batteries.
Provides high power at low RPM, resistant to engine room temperatures.
Controls alternator voltage for optimal charging of wet, gel, and AGM batteries in three stages.
Check contents for damage. Verify nominal DC voltage compatibility for all components.
Mastervolt alternators offer higher output, requiring double V-belts and proper engine power.
Keep alternator away from excessive heat, dirt, dust, and vibration.
Consult engine supplier for brackets. Use two A-type V-belts. Ensure proper mounting location and alignment.
Wiring by licensed electrician. Ensure correct polarity, use correct cable sizes, and secure connections.
Pre-start checks including wiring, indicator lights, and alternator magnetism.
Adjustments for voltage settings, absorption voltage, float voltage, and absorption time.
Check wiring for defects like loose or corroded connections every six months.
Clean alternator surfaces to prevent buildup of dirt, grease, or dust. Ensure air passages are clear.
Check mounting after initial hours and periodically to ensure secure mounting and prevent vibration.
Inspect V-belts for wear and check tension regularly. Replace worn belts.
Technical specifications for 12V and 24V Alpha alternator models including part numbers, voltage, and current.
Technical specifications for Alpha Pro regulators including model, part numbers, voltage, and charge settings.
