VMAC - Vehicle Mounted Air Compressors
VMAC Technical Support: 888-241-2289
VMAC Knowledge Base: kb.vmacair.com
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When selecting a top mount location, ensure the fuel shut off valve
is easily accessible. The fuel valve must be shut off when the unit is
not in use, including during transport.
Ensure the engine exhaust and hot air generated by the gas engine
and WHASP Tank cooler are routed in such a way as to prevent
recirculation back into the unit.
Note that the fan on the WHASP Tank is a “puller” fan.
Minimum considerations for mounting in an enclosure
Supply cool fresh air to:
Exhaust and heat:
•
Engine air intake.
•
Compressor air intake.
•
WHASP Tank.
•
Duct the engine exhaust outside of the
vehicle / enclosure.
•
Install an exhaust fan to remove hot air
from the enclosure.
Mounting Locations
VMAC does not recommend mounting the unit at the back of the
vehicle as the drag created when the vehicle is moving causes debris
to be deposited (and accumulated) inside the unit.
Top Mounting
Top mounted is the preferred mounting location. Placing the unit on top of the
service body provides the best access to cool fresh air. Maintain a minimum of 6 in
between the sides of the G300004 and 1 ft in front of the WHASP cooling fan and
all other solid objects (Figure 2).
Mounting the G300004 in an enclosure will limit access to cool fresh air, restrict
the escape of hot air from around the unit and have an adverse effect on cooling,
engine performance and reduce the unit’s duty cycle. Ensure adequate ventilation
is provided for cooling and to evacuate the exhaust. If mounting in an enclosure,
VMAC strongly recommends mounting the unit on a pullout drawer and extending
the drawer any time the unit is run.
While it is not possible to make absolute recommendations regarding ventilation
due to the widely differing circumstances that are possible, duty cycle, ambient
temperature and enclosure shape are some of the important variables that must
be considered.
Enclosed Mounting
Enclosed mounting must incorporate one of the following to ensure an
adequate supply of cool fresh air to the engine, and to remove all of
the engine exhaust and heat generated from the system:
•
The unit must be mounted on a pull out tray that is extended
anytime the unit is run. In general, this is the simplest method.
•
The cabinet must be designed with features such as ducting and
intake/exhaust fans.
