Installation, Appliance loads, Kilowatt derating – Kohler 3.5CFZ User Manual

Page 64

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TP-5695 12/93

6-2 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)

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