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Grease Viper
7
I n s t a l l a t i o n , O p e r a t i o n , & S e r v i c e M a n u a l
particles are then attracted and adhere to a series
of parallel collecting plates, which form the negative
elements of an electrostatic field.
The ionizer consists of charged stainless steel spiked
blades spaced between grounded electrodes. The
collecting section consists of parallel plates arranged
so that each alternate plate is charged while the
intermediate plates are electrically grounded.
Periodically, depending on the type and concentration
of contamination in the air, the contaminant is washed
from the plates by the integrally constructed water
wash system.
Three major functional components comprise the air
cleaner:
• Ionizing-collecting cells to ionize and collect
airborne particulate matter.
• Power supply(s) to supply high voltage direct
current to the ionizing-collecting cells.
• Control operated wash system to automatically
wash away the collected contaminant.
Normally, systems are designed for collection
efficiencies in the range of 90% DOP (0.3 micron) or
more. Collecting a contaminant at these efficiencies,
especially when there are high concentrations, can
result in large accumulations in a relatively short
period. Therefore, maintenance must encompass
two areas: the operation of the equipment for efficient
collection, and the systematic removal of the collected
contaminant.
2. General Description
The inlet plenum contains grease baffle impinger
prefilters to reduce airborne grease and mist
concentrations and provide resistance for uniform air
distribution.
The ionizing-collecting cells (contaminant collecting
elements) are housed in the ESP section(s) and can
be removed from the cabinet as required, through the
side access door, by sliding them out like drawers.
On multi-cell units, all of the electrical connections
between cells in a given tier are automatically made
through spring plunger connectors. Install cells into
the cabinet in accordance with the directional arrows
on the cell end plates. The side of the cell containing
the spiked ionizer blades must always be located on
the air entering side. The spring plunger connectors,
located on one end of each cell, will always face
toward the access side of the Grease Viper cabinet.
The power supply(s) convert the 24 volt, 60 Hz, single
phase AC supply to the high voltage DC required to
power the ionizing-collecting cells. Potential of 11.5
KVDC is required for the ionizer sections and 5.7
KVDC for the collector sections of the cells.
Metal mesh after filters, located downstream of
the cells in the last ESP section, prevent re-
entrainment of contaminants and wetting of the odor
control panels during the wash cycle.
The integral wash system consists of a series of spray
nozzles soldered into fixed water wash manifolds.
The manifolds are located in the front and top of each
cell tier. A detergent system is also incorporated into
the wash system. The amount of detergent used for
washing is readily adjustable, and that amount is
dependent upon the type and amount of collected
contaminant.
The washing operation is cycled periodically - the
frequency is dependent on the type and amount of
contaminant collected. The sequential events in a
wash cycle are:
• Power Supply(s) and System Fan “OFF”
• Wash Water and Detergent “ON”
• Wash Water and Detergent “OFF”
• Pause for Detergent to react
• Wash Water “ON” (without Detergent for rinse)
• Wash Water “OFF”
• Pause for Drip Dry
• Exhaust Fan “ON” for forced air dry
• System Standby (Exhaust Fan and Power
Supplies “OFF”)
The time span for all of the events is factory set when
the equipment is initially ordered – see “Sequence of
Operation” in submittals.
3. Initial Start-up
1. Inspect the inside of the adjoining ductwork and
TRION
®
cabinet to be sure it is clean and free of
