SECTION 3
16
SAPPHIRE SCIENTIFIC MODEL 370 SS
®
PART#
49-038 REV F
VACUUM SYSTEM
The engine turning an air pump (vacuum pump)
generates vacuum. The air is channeled in one
side of the vacuum pump, compressed and
discharged on the opposite side, creating
airflow. This airflow is used to do the work
necessary for the extraction process. A vacuum
nozzle applied to the carpet surface removes
moisture, dirt and spent chemicals. These
elements are conveyed back to a separating tank
utilizing hoses and the force of air. Particles of
moisture and dirt are separated in the vacuum
tank using a series of changes in direction and
velocity. The air is then filtered and rushes into
the vacuum pump.
The vacuum pump also heats incoming air as it
is compressed. The hot discharged air is forced
downstream into a silencer for noise abatement.
Exiting the silencer, this hot air is directed
through the heat exchanger
The vacuum pump speed is factory set to
maximize vacuum pressure and provide
sustained system life. Do not alter the vacuum
speed outside the recommended range shown in
the Technical Specifications section.
A level shut off sensor is located near the top of
the waste tank and will shut down the unit
before the tank is at full capacity. This protects
the vacuum pump from water damage.
Note:
Waste tank level shut off will not shut the unit
off due to high levels of foam. The use of a
quality de-foamer is recommended.
Open – No Heat
Filter Basket
Vacuum Inlet
Silencer
Vacuum Pump
Vacuum Brake
Filter
Water Box/Heat
Exchanger
Level Shut-Off Sensor
Содержание 370 SS
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Страница 70: ...SECTION 5 65 SAPPHIRE SCIENTIFIC MODEL 370 SS PART 49 038 REV F ELECTRICAL DIAGRAM WATER PUMP ...
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