Electrical – Ryobi RYI2200 User Manual
Page 12
8 — English
ELECTRICAL
GENERATOR CAPACITY
Make sure the generator can supply enough continuous (run-
ning) 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*
Additional
Starting Watts*
Refrigerator
700
1350
Portable Fan
40
120
Laptop
250
250
46 in. Flat Panel
Television
190
190
Light (75 Watts)
75
75
1255 Total
Running Watts
1350 Highest
Starting Watts
Total Running Watts
1255
Highest Starting Watts + 1350
Total Starting Watts Needed
2605
ELECTRIC MOTOR LOADS
It is characteristic of common electric motors in normal operation to draw up to six times their running current while starting.
This table may be used to estimate the watts required to start electric motors; however, if an electric motor fails to start or
reach running speed, turn off the appliance or tool immediately to avoid equipment damage. Always check the requirements
of the tool or appliance being used compared to the rated output of the generator.
Motor Size (H.P.)
Running Watts
Watts Required to Start Motor
Universal
Capacitor
Split Phase
1/8
275
N/A
850
1200
1/6
275
600
850
2050
1/4
400
800
1050
2400
1/3
450
950
1350
2700
1/2
600
1000
1800
3600
3/4
850
1200
2600
—
1
1100
N/A
3300
—
NOTICE:
Operating voltage and frequency requirement of all electronic equipment should be checked prior to plugging them
into this generator. Damage may result if the equipment is not designed to operate within a +/- 10% voltage variation,
and +/- 3 hz frequency variation from the generator name plate ratings. To avoid damage, always have an additional
load plugged into the generator if solid state equipment (such as a television set) is used. A power line conditioner is
recommended for some solid state applications.