Electrical Systems
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5 • 1 5 5
EXECUTIVE
If the load is then reduced or removed, the pump will catch up and return to it’s
rated 12 PSI pressure. If the pump has an infinite source of water, such as a lake
or the water utility (this is like the grid, no battery), the pump will never run out
of pressure. If the pump never runs out of pressure, and is operated at or below
it’s 15 GPM level, it will hold 12 PSI. However, a pump that is connected to a
water tank with a finite capacity will start to lose the ability to hold pressure as
the level of water in the tank drops. Think of siphoning water from a bucket. As
the level of the water drops, the volume of water exiting the siphon slows down.
When the tank is full it is capable of feeding more “pressure” to the pump
inlet due to gravity, and the pump always has enough water available to
maintain its rated pressure and volume. However, if the water tank gets low,
the pump will not have enough water volume coming in to maintain 12 PSI at
15 GPM. If the loads are taken away from the pump by closing the valve on the
outflow, even with low pressure in the tank the pump will eventually pump up
to 12 PSI. It will just take it longer to get there. When the valve is opened the
pump will sustain 12 PSI for a brief period, but since the tank is no longer
feeding the pump as fast as needed the pressure will eventually drop. This
analogy can be restated by replacing the pump with a battery, pressure with
voltage, volume with amps, outflow valve with a switch, water with electricity
and the water tank with the battery electrolyte.
The level of the tank, could be thought of as the rate of the reaction taking
place in the electrolyte. When the battery is fully charged the electrolyte has an
excess of reactions taking place to feed the battery terminals. This tapers off
with time as the electrolyte is spent, so maintaining voltage becomes possible.
With no loads, the spent electrolyte will be capable of producing close to the
rated voltage, but only after a period of time has elapsed for enough reactions to
take place to bring the voltage back up. Hopefully this scenario will help make
clear why a battery measured at rest can show close to its rated voltage but will
not run a load.
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The electrical panel has been separated in two separate panels.
The low current plate located on the left rear has:
1. The starter solenoid.
2. The LP and CO fuses-water tight fuse holders.
3. The auto re-set circuits breakers.
4. The various relays.
ENGINE COMPARTMENT
12 VOLT ELECTRICAL PANELS
Low Current.
Содержание Executive 2001
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Страница 6: ...E X E C U T I V E SECTION 1 WARRANTY INFORMATION...
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Страница 22: ...E X E C U T I V E SECTION 2 OPERATING SAFETY...
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Страница 46: ...E X E C U T I V E SECTION 3 APPLIANCES EQUIPMENT...
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Страница 106: ...E X E C U T I V E CHAPTER 4 WATER LP GAS SYSTEMS...
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Страница 129: ...Water LP Gas Systems EXECUTIVE 4 1 2 9 NOTES...
Страница 130: ...E X E C U T I V E SECTION 5 ELECTRICAL SYSTEMS...
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Страница 177: ...Electrical Systems 5 1 7 7 EXECUTIVE N NO OT TE ES S...
Страница 178: ...E X E C U T I V E SECTION 6 UNIT CARE MAINTENANCE...
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Страница 203: ...Unit Care Maintenance EXECUTIVE 6 2 0 3 NOTES...
Страница 204: ...E X E C U T I V E SECTION 7 CHASSIS INFORMATION...
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Страница 264: ...Chassis Information EXECUTIVE 7 2 6 4 NOTES...
Страница 269: ...Chassis Information EXECUTIVE 7 2 6 9 NOTES...