Electrical; Generator Capacity; Power Management - Black Max BM10722 Series Operator's Manual

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 pro-
duce to keep the items running. See the wattage refer-
ence 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 m
otor-driven tools or appliances such as a cir-
cular 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:
Continuous
Tool or Appliance
(Running) Watts
Window AC,
10,000 BTU
Refrigerator
1/3 HP Well Pump
27 in. Television
Light (75 Watts)
3475 Total
Running Watts
Total Continuous (Running) Watts
Plus Highest Additional Surge Watts
Equals Total Generator Output Required

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.
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.

ELECTRICAL

Surge
(Starting) Watts
1200 1800
700 2200
1000 2000
500 0
75 0
2200 Highest
Surge Watts
3475
+ 2200
5675
CAUTION:
Do not overload the generator's capacity. Exceeding the
generator's wattage/amperage capacity can damage the
generator and/or electrical devices connected to it.
Tool or Appliance
Essentials
Light Bulb − 75 Watt
Refrigerator/Freezer
Sump Pump − 1/2 HP
Water Well Pump − 1/3 HP
Electric Water Heater
Heating/Cooling
Furnace Fan − 1/2 HP
Window AC − 10,000 BTU
Space Heater
Kitchen
Microwave Oven − 1000 Watt
Coffee Maker
Electric Stove − Single Element
Toaster Oven
Family Room
VCR
CD/DVD Player
Stereo Receiver
Color Television − 27 in.
Other
Security System
Curling Iron
Garage Door Opener − 1/2 HP
Hair Dryer − 1/2 HP
DIy/Job Site
Quartz Halogen Work Light
Airless Sprayer − 1/3 HP
Reciprocating Saw
Electric Drill − 1/2 HP
Circular Saw − 7-1/4 in.
Miter Saw − 10 in.
Planer/Jointer − 6 in.
Table Saw/Radial Arm Saw − 10
in.
Air Compressor − 1 HP
*Wattages listed are approximate. Check tool or appliance for actual watt-
age.
5
Typical Typical
Continuous* Surge*
(Running) (Starting)
watts watts
75 75
700 2200
1050 2200
1000 1500
4000 0
800 2350
1200 1800
1800 0
1000 0
1000 0
2100 0
1200 0
100 0
100 0
450 0
500 0
500 0
1500 0
875 2350
1250 0
1000 0
600 1200
960 0
600 900
1400 2300
1800 1800
1800 1800
2000 2000
1600 4500