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6

Model SH-PP Owner’s Manual

Detergents are available through United Air Specialists
for specific applications and contaminants.

Detergent Strength. Detergent concentration, or
“strength,” in a mixture with water varies with the
application from 1:1 to 5:1 to even 20:1 parts water to
parts detergent, refer to detergent manufacturer’s
directions. More or less detergent may eventually be
required for effective cleaning at reasonable detergent
cost. Typically, 20:1 is recommended as a starting point.
Experimentation is almost always necessary.

Water Temperature. Detergents can be up to twice as
effective in hot water, and hot water alone is very
effective in softening built-up residue. Water temperature
should be 140

°

F to 180

°

F, not to exceed 190

°

F.

Agitation/Impingement. These methods are virtually
the same, with impingement being the most extreme
form of agitation. Any liquid movement over built-up
residue will dissolve some of the contaminant, allowing
detergent to work on the next layer. A reduction in
cleaning time duration usually results.

Cleaning Cycle Duration. In most cleaning methods,
adequate time must be allowed for the detergent to
dissolve the contaminant thoroughly. Reaction time will
vary depending on detergent strength, temperature and
agitation. Guidelines for mixing, heating and expected
results are included on specification sheets for most
detergents.

Rinse Procedure. Cleaned components must be rinsed
off quickly and thoroughly to remove any remaining
contaminants. Even if the components appear to be
clean, some detergent residue may remain. This should
be removed because the residue may contribute to
voltage bleed-down when the components are placed in
service. Also, even though the detergent is “buffered”
(i.e., treated to prevent deterioration of the aluminum),
prolonged contact with the components could cause
minor corrosion. As with cleaning, hot water should be
used for rinsing.

Dry-Out Time. Collection components should be dry
before the system is placed back into operation. Start-
up of a wet system causes dead shorts and/or arcing
conditions. Wet ionizers, collector cells and mesh filters
should be placed in a warm room until they are dry.
Techniques such as hand wiping insulators and blowing
dry with compressed air will greatly shorten drying time.

Cleaned components may also be dried out by placing
them in the system and placing the system on-line, with
all power pack enclosure toggle switches in the off
position for approximately 30 minutes.

6.3

Manual Cleaning Methods

The manual cleaning method selected for a given
system will depend on the type of contaminant, rate of
deposit, facility limitations such as cleaning time
windows (process down time) and available utilities. Any
one of the following three acceptable cleaning methods
may be included in such a plan.

Hot Detergent Soak Tank. This method involves placing
components in an agitated solution of hot water and
detergent, and is the most effective method. With proper
detergent selection, this procedure will quickly remove
most contaminants collected in a precipitator.

Components should not be placed in highly
concentrated detergent solutions or allowed to soak for
extended periods (e.g., overnight), especially at
elevated temperatures. Extended soaking (e.g., days) in
solvent or detergent solution will degrade components
over time and should be avoided.

Automatic Parts Washers. Certain commercially-
available units combine and automate the features
necessary for effective cleaning, including water
heating, detergent injection, agitation, rinsing and
drying.

Portable Pressure Washer. A self-contained pressure
washer with a spray wand can be an effective cleaning
method, providing it is used with caution. Care must be
taken not to expose collection cell plates to close-up
and prolonged blasts of high temperature or high
pressure water. Cell plates deform under continuous
exposure to such conditions.

OTHER CLEANING CONSIDERATIONS

The previous methods address the cleaning of SMOG-
HOG

®

 components only. The cabinetry should also be

periodically cleaned (e.g., during normal planned
maintenance downtimes) to be certain that the
contaminants do not buildup in the unit sumps, thereby
obstructing drains. Each time manual maintenance is
performed, the door feed-through insulators should be
thoroughly cleaned. Voltage output of the power packs
should also be checked when maintenance is
performed.

UAS and/or your local representative can provide
assistance in choosing the best method for cleaning
SMOG-HOG

®

 components in your application.

!

C A U T I O N

Never mix acid and alkaline detergents for manual
cleaning. Detergent mixing could cause rapid heat
release, gel formation or other undesirable condition.

Содержание SMOG-HOG SH-PP

Страница 1: ...SMOG HOG MODEL SH PP Owner s Manual ...

Страница 2: ...FERENCE ______________________________________________________ UNIT MODEL _________________________________________________________________ UNIT SERIAL NUMBER ________________________________________________________ HIGH VOLTAGE POWER SUPPLY NUMBER _______________________________________ SYSTEM ACCESSORIES ______________________________________________________________________________ _____________...

Страница 3: ... Manual Cleaning Methods 6 6 4 When Are Components Clean 7 7 TROUBLESHOOTING 7 7 1 Tools Required 7 7 2 Checkout Before Testing 8 7 3 Troubleshooting Procedures 8 7 4 Power Pack AC Voltage Checks 8 7 5 DC High Voltage Checks Without Utilizing A High Voltage Probe 8 7 6 Measuring for High Voltage DC Only 9 7 7 Checking Ionizers 9 7 8 Checking Collection Cells 9 7 9 Indicator Lamp 9 8 BENCH TEST PRO...

Страница 4: ......

Страница 5: ...when disposing of pollutants collected on the collection components 2 UNIT NOMENCLATURE SMOG HOG Air Cleaning Systems can include various combinations of plenums and conditioning devices connected in series in the direction of airflow The SMOG HOG unit configuration is clearly defined on documents and nameplates refer to Figure 1 SMOG HOG units consist of modules each module acting as one electric...

Страница 6: ...ies of parallel plates alternately charged and grounded whose plates are in line with the direction of airflow Charged plates are connected electrically and suspended from four 4 triangular shaped insulators on each end plate of the cell 3 4 Filters Prefilters and afterfilters promote even air distribution across the ionizers and the collector cells Prefilters trap large particulate as it enters t...

Страница 7: ... connections prevent air and liquid leakage during operation Systems handling oily emissions should have all welded seams with ductwork pitched to proper collection points usually toward the SMOG HOG itself Duct velocities should generally be within 1500 to 2500 FPM Gaskets and sealant must be compatible with the material collected and the temperature of the airstream 4 4 Installation SMOG HOG Air...

Страница 8: ...wiring diagram 5 OPERATION 5 1 Pre Start up Checks Loose Fittings SMOG HOG systems pass rigid inspection before shipment However vibrations during transit and installation may have loosened certain bolts nuts or other attaching devices Check and tighten as required Installing Components If ionizers and collection cells were removed for shipment or installation refer to Figure 10 for proper install...

Страница 9: ...h ionizers from the module noting the condition of contact springs distorted skewed standoff insulators dirty and ionizer wires broken sagging Wires should be taut and centered between ground plates Remove both collector cells from the module noting the condition of contact springs distorted skewed cell plates dirty bent skewed triangular insulators dirty Ionizer and collector cell cabinet tracks ...

Страница 10: ...air will greatly shorten drying time Cleaned components may also be dried out by placing them in the system and placing the system on line with all power pack enclosure toggle switches in the off position for approximately 30 minutes 6 3 Manual Cleaning Methods The manual cleaning method selected for a given system will depend on the type of contaminant rate of deposit facility limitations such as...

Страница 11: ...ing 5 Walls ceiling and doors are free of heavy buildup 6 Blower has been checked for heavy buildup cleaned if required 7 TROUBLESHOOTING THE FOLLOWING SECTIONS ARE FOR THE USE OF TRAINED PERSONNEL ONLY Before proceeding with troubleshooting check for proper electrical alignment of contact springs and contact screws refer to Figure 10 Improper electrical alignment and deformed contact springs can ...

Страница 12: ... the Troubleshooting Guide Table 1 7 4 Power Pack AC Voltage Checks Refer to Figure 11 and Figure 12 1 Check that the power pack enclosure toggle switch is in the on position 2 Check that the two interlock switches are engaging a Power Pack Enclosure b Component Access Door 3 Visually inspect a High voltage wires from the power pack to the door feed through insulators damaged burnt appearance b Bo...

Страница 13: ... read 10 0 to 11 1 KVDC with the indicator lamp illuminated 5 If the ionizer voltage is low open component access door and check for a voltage at the contact washer to the ionizer door feed through insulator of 10 0 to 11 1 KVDC If voltage is still low refer to Power Pack AC Voltage Check If not the problem is within the ionizer components broken wire bridged or cracked standoff insulators refer t...

Страница 14: ...ately 30 minutes Indicator lamp fails to illuminate 1 Refer to blinking indicator lamp Statements 1 Refer to blinking indicator lamp Statements 1 through 8 1 through 8 2 No 120 VAC to the power pack 2 Check engagement of power pack and component access door interlock switches Check for loose wire terminations broken wires 3 Power pack failure 3 Refer to Section 7 4 4 Indicator lamp failure 4 Refer...

Страница 15: ...manual cleaning bent parts broken ionizer wires cracked or carbon track standoff insulators deformed contact spring grounding to an adjacent ionizer wet ionizer from washing TESTING A COLLECTOR CELL The cell can be tested in the same manner as an ionizer with the following exceptions Step 1 Select one collector cell to be tested Step 2 Connect high voltage wire to power pack connector identified a...

Страница 16: ...taining nut 5 Open component access door and remove defective insulator 6 Remove long screw from insulator 7 Clean RTV sealant from door surface 8 Install replacement insulator reversing the above procedure making sure to apply a thin coat of sealant RTV to base insulator C AU T I O N When the system is operating 115 VAC is present in this enclosure even with the toggle switch in the off position ...

Страница 17: ... Afterfilters Aluminum 18 x 18 3 8 x 7 8 21 1248 Power Pack 03 1497 High Voltage Wire Kit for Ionizer and Collector Cell 37 0026 Door Feed Through Insulator 02 0749 Door Feed Through Insulator Assembly includes 37 0026 Insulator 20 2748 LED Green Indicator Lamp 02 0331 Indicator Lamp Assembly 6V Incandescent Red Lens 20 0258 Lamp Socket for 02 0331 20 0260 Lens Red for 02 0331 20 0467 Bulb Incande...

Страница 18: ...eek Road Cincinnati Ohio 45242 Tel 1 800 252 4647 For prompt service please specify 1 Unit Model Number nameplate 2 Part Number or Part Description refer to Section 9 4 10 2 Returning Parts When returning parts directly to UAS for any reason call UAS for a return material authorization number RMA Mark this number prominently on the returned package to assure prompt handling and service 10 3 Freigh...

Страница 19: ...r 4 Units in Series Number of Ties High 1 through 6 Number of Ionizer s and Collector Cells Per Tier 1 through 8 SMOG HOG Packaged Precipitator Figure 2 Grounding the Collection Cell Figure 3 Grounding the Ionizer Figure 4 Typical Drain Trap Configuration Figure 5 Unloading A Single Unit Figure 6 Typical Spreader Bar ...

Страница 20: ...16 Model SH PP Owner s Manual Figure 7 Lifting SMOG HOG Modular Unit Figure 8 Lifting Loose Pieces Figure 9 Suggested Corner Gasket ...

Страница 21: ...Model SH PP Owner s Manual 17 Figure 10 Installation of Ionizer Collector Cell Components ...

Страница 22: ...anual Figure 11 Label Wiring Diagram SH PP Figure 12 H V Power Supply Input Output Connections Figure 13 Ionizer and Cell Voltage Measurement with Access Door Closed Figure 14 Ionizer Wire Replacement Figure 15 Wiring Diagram ...

Страница 23: ......

Страница 24: ...ETHER WRITTEN ORAL OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANT ABILITY FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT As Purchasers exclusive remedy for any defects in the equipment UAS will exchange or repair any defective parts during the warranty period provided such parts are returned prepaid to UAS factory The obligation of UAS is limited to furnishing replacement parts F O B U...

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