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TP-5695 12/936-2 Installation
Capabilities will vary according to Kilowatt Derating
following.
Motor
Requirements
(HP)
Starting
(In-Rush)
Watts
Running
Watts
1/4 750 330
1/3 1000 400
1/2 1500 600
3/4 2000 750
1 3300 1100
2 4000 2000
3 5000 3000
Figure 6-1. Motor Requirements
Model Wattage
Will Operate Air
Conditioner of
Size Indicated
“Power to
Spare” for
Lighting
Appliances,
Tools
4CZ 4000 One 13,500 Btu 2100
6.5 CZ 6500 One 13,500 Btu 4600
Two 13,500 Btu 2700
Figure 6-2. Air Conditioner Requirements
(50 Hz units will have slightly lower “power
to spare” figures than those indicated)
Appliance Loads
Marine generator sets are often used to furnish AC for
appliances such as TV, stereo, electric water heaters,
etc. With the exception of the resistance-type loads
such as the water heater, requirements for appliances
are usually low. Such loads must not, however, be
overlooked when figuring total requirements. Reserve
capacity should be available for anticipated appliance
loads to avoid overloading of a set. The average power
requirements of some common electrical appliances
are given in Figure 6-3.
Kilowatt Derating
Units are rated as listed below at 1.0 power factor.
Derate the listed rating by approximately 3.5% per 1000
ft. (300 m) when the unit is operated at altitudes of 500 ft.
(150 m) or more above sea level.
3.5CFZ, 50 Hz: 3.5 kW at 77_F (25_C) and 3.5 kW at
122_F (50_C).
4CZ, 60 Hz: 4 kW at 77_F (25_C) and 3.5 kW at 122_F
(50_C).
5CFZ, 50 Hz: 5 kW at 77_F (25_C) and 4.85 kW at
122_F (50_C).
6.5CZ, 60 Hz: 6.5 kW at 77_F (25_C) and 6 kW at 122_F
(50_C).
Electrical
Appliance
Motor
Starting
Watts
Running
Watts
Automatic Pilot -- 150--250
Blanket, Electric -- 50--250
Blender 800 600
Broiler -- 1350
Depthometer -- 25--1000
Drill, 3/8” 600 350
Dryer, Hair -- 850--1200
Fan, Air
Circulating
50--200 25--100
Food, Mixer 400 235
Heater, Space -- 750--1500
Heater, Water -- 1500
Iron -- 900--1200
Light Bulbs -- (as indicated)
Pan, Frying -- 1200
Percolator,
Coffee
-- 650
Radar -- 750--1500
Radio -- 50--100
Radiophone -- 100--200
Range, Electric
(per element)
-- 1000--1500
Soldering Gun -- 250
Television -- 300--750
Toaster -- 750--1200
Water System 500--1500 300--1250
Figure 6-3. Appliance Average Wattage Ratings
(60 Hz)