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Consider total wattage requirements (lights, motors,
appliances) in selecting a generator set, or sizing
wattage requirements when available space and
construction may limit the size of the generator set.
Refer
to
the
following
requirements.
Installation Factors
Each generator set is shipped as a unit except for the
optional exhaust system components which are
shipped loose for assembly after the set is installed in
the vehicle.
When preplanning the installation, consider the
following factors.
1. Electrical Load:
adequate capacity to handle the load?
2. Compartment Size: Will there be sufficient room
around the set to maintain minimum clearances?
3. Air Requirements: Are the compartment air inlets
and outlets sized to allow adequate circulation of
air for cooling and combustion?
4. Compartment Floor: Is the compartment floor
strong enough to support the
generator set?
5. Cooling System: Is the cooling system large
enough to adequately cool the generator set?
6. Fuel System: Is the system properly designed to
prevent fuel starvation of either the main engine or
generator set engine?
7. Exhaust System: Will the system meet all safety
requirements after installation?
8. Electrical Connections: Will all systems (battery,
load, and remote switch) be compatible with
vehicle systems?
Each of these installation considerations is covered in
detail on the following pages.
6-2 Installation
Generator Selection And
Wattage Requirements
when
figuring
wattage
Does the set selected have
weight of the
Electrical Load
While the electrical load of the vehicle should have been
calculated prior to purchase of the generator set,
recheck the load before installing the set to make sure
that the capacity is ample to meet demands without
possible overloading.
Lighting Load
The lighting load is usually easiest to calculate. In most
cases, simply add the wattage of each lamp to be
operated off the generator set.
applications, not all of the lights or lamps are in the
generator set AC circuit— some are DC powered by the
12-volt battery in the vehicle.
wattage includes only lights actually on the generator
set AC circuit.
The lighting load is usually not too heavy in mobile
installations; however, it must be accurately calculated
to prevent overloading which could occur, for example, if
all lights happened to be on when the air conditioner or
other motor loads startup.
Note that in many
Make sure the total
TP-5605 4/97
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