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750 Watt DC to AC Power Inverter
C onver ts 12V D C Ba tte r y P o w e r
in t o 1 1 0 -120 V AC H o m e P o w e r
O W NE R' S M A NU A L
se Schumacher inverters to convert low-voltage, direct-current
U
(DC) to 110-volt alternating household current (AC). Two sources
of power are:
Standard 12-volt automobile and marine batteries
Portable high-power, 12-volt sources like those found
in jump starter and DC power sources.
MoDel PI-750
– SAVE THESE INSTRUCTIONS –
00-99-000348/0308
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Summary of Contents for Schumacher Electric PI-750
- Page 1 Schumacher inverters to convert low-voltage, direct-current (DC) to 110-volt alternating household current (AC). Two sources of power are: Standard 12-volt automobile and marine batteries Portable high-power, 12-volt sources like those found in jump starter and DC power sources. MoDel PI-750 00-99-000348/0308...
- Page 3 The advanced surge capacity of the PI-750 power invert- er gives it the means to start most electrical appliances including: Color televisions, TV/VCR combinations, microwaves, refrigeration units, small air conditioners. In addition, the PI-750 power inverter consumes less bat- tery power, therefore runs for a longer time because it is a state-of-the-art inverter.
- Page 4 (I), oFF (0), and oN (I) again in quick succession. If this procedure is not successful, it is likely that the PI-750 inverter does not have the required capacity to operate the appliance in question.
- Page 5 D. 12-Volt Power Cord e. High-Speed Cooling Fan F. 2 50-Amp Fuses How To Connect your PI-750 Inverter Make sure the oN/oFF rocker switch is in the oFF (0) position. Push the 12-volt power plug firmly into the outlet. Switch the inverter rocker switch to the oN (I) position.
- Page 6 generated by the inverter. For best operating results, the extension cord should be no longer than 50 feet. The LED Indicator briefly flashing when you first turn the inverter oN, is a sign if that there is a short circuit within the power supply.
- Page 7 Attention: Do not install a fuse higher than 50-AMPs, as this may damage the inverter. Make sure to correct the cause of the blown fuse before using the PI-750 again. NOTe: If necessary, two, 40-amp spade type fuses can be installed if 50-amp fuses are not available.
- Page 8 Power Source Your average automobile or marine battery will provide an ample power supply to the inverter for 30 to 45 minutes even when the engine is off. The actual length of time the inverter will function depends on: 1. Age and condition of the battery. 2.
- Page 9 750 watts. 4. The case temperature exceeds 145 ºF. Attention: The PI-750 is fitted with a cooling fan that runs as needed while the inverter is operating. If the cool- ing fan is unable to maintain a cool enough temperature for safe operation, the inverter will automatically shut down.
- Page 10 There are two stages involved in transforming 12-volt DC (or battery) power into 110V AC (household voltage): STAGe 1: The PI-750 power inverter uses a DC to DC transformer to increase the 12-volt DC input voltage from the power source to 145-volts DC.
- Page 11 Make sure the inverter is not close to any potential source of inflammable fumes or gases before connecting the inverter to the power source. Make sure the power consumption of the appliance or equipment you want to operate is compatible with the capacity of the inverter, i.e.
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Page 12: Troubleshooting
Troubleshooting PROBLeM: Low or No Output Voltage Reason/Solution 1. Poor contact at terminals. Unhook and rehook the 12-volt connections. 2. Using incorrect type of voltmeter to test output voltage. Use a true RMS reading meter. PROBLeM: Red LeD On Reason/Solution 1. - Page 13 PROBLeM: Low Battery Alarm On All The Time Reason/Solution 1. Input voltage below 11 volts. Recharge or replace battery to maintain adequate power input. 2. Poor or weak battery condition. Recharge or replace battery. 3. Inadequate power being delivered to the inverter or excessive voltage drop.
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Page 14: Limited Warranty
Dimensions ........8.5” l x 4" W x 2.2" H Weight ............approx. 3.5 lbs. Limited Warranty Schumacher electric Corporation warrants your inverter to be free from defects in material and workmanship, excepting abuse or misuse, for a period of two years from the date of sale to the original user or consumer purchaser. - Page 15 In no event shall Schumacher Electric Corporation be liable for consequential damages. Some states do not allow limita- tions on the length of the implied warranty or the exclusion or limitations of incidental or consequential damages, so the above limitations or exclusions may not apply to you.