DeWalt DG3000 Spezifikationen PDF herunterladen (Seite 34)

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What is the difference between

portable generators and automatic

home standby generators?

The differences have to do with the steps needed

to have emergency power owing into your house

in the event of a power outage. Portable systems

are wheeled units that require you to roll the

generator outside, start it up, and hook it up to a

power inlet box. From there you must go to the

transfer switch panel installed near your circuit

breakers and switch the power coming into your

house from the main line to the generator running

outside. After the power from your local utility is

restored, you are required to reverse the setup

process.

One of the clear advantages with an automatic

home generator system is that the unit turns itself

on and off automatically without you ever having to

leave the safety of your home. Our automatic home

generator systems also exercise themselves once a

week. You can even set the time when the unit will

perform this diagnostics check. The generator will

then be ready to run whenever needed.

Also, most portable generators have a high total

harmonic distortion (voltage uctutation) which is

not recommended for sensitive electronics. Our

home standby generators run at 5% THD or less,

assuring clean power.

How does the home generator

system work?

At the point of loss of utility power, the system

will wait approximately 6 seconds to start (this is

to verify that the power is going to stay out). After

it has started it will go through a warm up period

of 20 seconds. After this time the transfer switch

will change over to generator power. The house

will remain under generator power for a minimum

of ve minutes, even if the utility power comes

back on. After utility has come back on, and the

generator has powered up the house for at least

ve minutes, the transfer switch will go back to

utility power after 10 seconds. The generator will

then run one minute to cool down before turning

itself off.

What size standby generator do I

need to run the electric items in my

house during a power outage?

Most average homes of 1,200 to 3,000 sq. ft. can

run critical items in the home by using a 5,000-

7,000 watt generator. The most common items that

need emergency power during a blackout would

be the furnace blower motor, refrigerator, freezer,

lights, TV, sump pump, and water pumps. Larger

home generator systems in the 10-15KW range

will quietly supply as much as 18,000 watts of

starting power to your home automatically, giving

your family the power, freedom and comfort of their

usual lifestyle uninterrupted by power failure. The

12-20kW generators allow you to supply power

to both essential items and up to six high wattage

appliances including two central air units for the

ultimate in comfort and control.

Can I run a computer or other

sensitive electronic equipment

off the generator during a power

outage?

Yes. The power coming from your generator is

just as safe as what you normally have coming

out of the wall socket. The spikes or surges that

accompany power generation (also known as

“harmonic distortion”) are just a normal aspect of

electricity. However, when considering sensitive or

expensive electronic equipment running off a wall

outlet, you should use a good surge protector to

guard against small inuxes of power.

Does motor starting require a

different wattage?

Yes. Induction motors require larger amounts of

amperage for initial start-up than when they are

running. Some appliances and tools, such as your

refrigerator/freezer, furnace fan, air conditioner,

electric chain saw, weed trimmer, etc. will require

more watts than normal running wattage for motor

starting. This must be considered when sizing a

generator to meet your needs.

What does a home generator

system typically cost?

When you choose the safety, reliability and

automatic operation of a home generator system,

there are several items that contribute to the total

cost: the cost of the system itself, a transfer switch,

and installation charges. Optional maintenance

contracts can also add to the cost if you choose

one. Costs may vary depending on the size of the

unit, transfer switch used, location of installation,

and permits required for installation. Check with

your local sales representative.

Can I run my central air conditioner

on the home generator system?

Yes. We have designed a transfer switch that will

monitor loads on the generator, under emergency

power, allowing you to run a central air unit at

a 4-ton rating or less on our 12kW and 15kW

generator systems. They are available in 100 or

200 amp sizes. We also offer a load control center

to aid in running air conditioning systems.

What is a transfer switch?

A transfer switch is a device that is fed by both

utility and generator power. It isolates the two types

of power from each other so a back feed does not

occur. National Electrical Code requires a device

like this if two types of power are going to feed the

house.

How do I know what size transfer

switch I need?

There are many factors that will determine the

size transfer switch needed (size of utility service,

appliances needed to run, size of generator, etc).

The transfer switches available vary from 100 and

200 amps. Call 877-483-5314 or inquire with your

local sales representative for assistance. The 100

and 200 amp transfer switches are for whole house

power and feed the entire distribution panel.

What is the Load Control Center and

how can it benet me?

With our power management transfer switch, there

must be room on the generator for a central air unit

to run. The LCC isolates six circuits from your main

distribution panel to allow the air conditioner to

start when it wants. Basically, the LCC makes room

on the generator. These would be circuits that you

would not mind being turned off for a short period

of time while the A/C runs. You can hook these

circuits up in priority, 1 is the highest priority and

6 is the lowest. Discuss with a contractor how you

want each item hooked up.

How do I purchase a generator?

Who do I contact?

If you are interested in learning more about our

products or are looking for information on how to

purchase, please call 877-483-5314.

Can I install the unit myself or does

someone else need to?

It is recommended that you have your home

generator system (generator and transfer switch)

installed by a licensed contractor. Failure to do so

could be dangerous for both family members as

well as outside repair workers trying to x downed

power lines. In addition, professional installation is

required to maintain the warranty. They would also

make sure that all the necessary permits are pulled

to verify it will pass code and safety inspection.

Most Milbank Home Generator Systems dealers

are capable of not only performing the necessary

installation, but can also offer maintenance

agreements that ensure the generator is being

serviced on a regular basis. Check with your local

sales representative for more information.

HOME STANDBY GENERATOR SYSTEM

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