Black Max BM907500, Operator'S Manual

Page: 13 / 48

Page 9 — English
GENERATOR CAPACITY
Make sure the generator can supply enough continuous
(running) and surge (starting) watts for the items you will power
at the same time. Follow these simple steps.
1. Select the items you will power at the same time.
2. Total the continuous (running) watts of these items. This
is the amount of power the generator must produce to
keep the items running. See the wattage reference chart
at right.
3. Estimate how many surge (starting) watts you will need.
Surge wattage is the short burst of power needed to start
electric motor-driven tools or appliances such as a circular
saw or refrigerator. Because not all motors start at the
same time, total surge watts can be estimated by adding
only the item(s) with the highest additional surge watts to
the total rated watts from step 2.
Example:
Tool or Appliance
Running
Watts*
Starting
Watts*
Window AC,
10,000 BTU
1200 1800
Refrigerator 700 2200
1/3 HP Well Pump 800 2000
27 in. Television 500 0
Light (75 Watts) 75 0
3275 Total
Running Watts
2200 Highest
Starting Watts
Total Running Watts 3275
Highest Starting Watts + 2200
Total Starting Watts Needed 5475
POWER MANAGEMENT
To prolong the life of the generator and attached devices,
it is important to take care when adding electrical loads to
the generator. There should be nothing connected to the
generator outlets before starting its engine. The correct and
safe way to manage generator power is to sequentially add
loads as follows:
1. With nothing connected to the generator, start the engine
as described later in this manual.
2. Plug in and turn on the first load, preferably the largest
load you have.
ELECTRICAL
3. Permit the generator output to stabilize (engine runs
smoothly and attached device operates properly).
4. Plug in and turn on the next load.
5. Again, permit the generator to stabilize.
6. Repeat steps 4 and 5 for each additional load.
Never add more loads than the generator capacity. Take
special care to consider surge loads in generator capacity
as previously described.
NOTICE
:
Do not overload the generator’s capacity. Exceeding the
generator’s wattage/amperage capacity may damage the
generator and/or electrical devices connected to it.
Application/Equipment
Estimated
Running
Watts*
Estimated
Starting
Watts*
Emergency / Home Standby
Clock Radio 50 0
Lights (qty. 4 x 75 W) 300 0
Refrigerator 700 2200
Furnace Fan 800 2350
Water Well Pump 1000 2200
Microwave 1000 0
Sump Pump 1050 2200
Electric Range (per element) 2100 0
Job Site
Electric Drill − 1/2 HP 600 900
Airless Sprayer − 1/3 HP 600 1200
Quartz Halogen Work Light 1000 0
Reciprocating Saw 960 960
Air Compressor − 1 HP 1600 4500
Circular Saw − 7-1/4 in. 1400 2300
Planer/Jointer − 6 in 1800 1800
Miter Saw − 10 in. 1800 1800
Table Saw/Radial Arm Saw − 10 in. 2000 2000
*Wattages listed are approximate. Check tool or appliance for actual wattage.