AAF International OptiFlo Cartridge Collector User Manual

Better Air is Our Business

®

Table of Contents

1.0 General Information

1.1 Filter Elements

1.2 Normal Operation

1.3 Sizes

1.4 Factory Assembly

2.0 General Information

2.1 Inspection

2.2 Installation

3.0 Foundations and Anchoring

4.0 Ductwork and Accessories

5.0 Electrical Controls and Wiring

6.0 Compressed Air Connection

7.0 Gauge Installation

8.0 Filter Installation

9.0 On-line Cleaning

10.0 Initial Start-Up Instructions

10.1 Maintenance

11.0 Troubleshooting

11.1 High Pressure Drop Reading

11.2 Visible Discharge

11.3 Insufficient Hood Control

The OptiFlo

®

pulse-jet cylindrical cartridge collector is a factory
assembled, automatic self-cleaning dust collector. It uses a
modular building block concept to meet any airflow capacities
and design requirements. This bulletin contains the information
necessary for installation, operation, and maintenance of the
OptiFlo dust collector. Read the entire manual and check each
carton and crate against the shipping sheet (Form 1281) before
beginning installation.

1.0 General Information

WARNING: In the event this unit is not placed in service within 60
days after receipt, the filter cartridges must be removed and stored
in a clean, dry place to prevent possible moisture accumulation in
the media.

1.1 Filter Elements

The basic filter element used in the OptiFlo dust collector is the
OptiFlo cartridge filter. The OptiFlo filter consists of pleated media in a
cylindrical configuration. This design allows for installation and change­out with a minimum of time and effort. Each OptiFlo filter is supplied
with its own gasket to ensure a positive, airtight seal each time the
filter is changed.

The filters are installed horizontally. Filters are cleaned automatically in
sequence, so that only a small portion of the filters are off-line at any
given time.

OptiFlo®Pulse-Jet
Cylindrical Cartridge
Dust Collector

Installation, Operation, and
Maintenance Instructions

2

1.3 Sizes

The OptiFlo pulse-jet cartridge collector is available in these basic
configurations: 2RC, 3RC, 4RC, and 5RC series. All modules are two
filter elements wide. Sizes 2RC4 and 3RC6 are one filter deep—all
other sizes are two filters deep.

The 2RC modules have filters arranged two-high, 3RC modules have
filters arranged three-high, 4RC modules are four filters high, and
5RC modules are five filters high. Each series offers standard factory
assembled collectors with model designations such as: 2RC8;
2RC16; 2RC24; 2RC32; 3RC12; 3RC24; 3RC36; 3RC48; 4RC16;
4RC32; 4RC48; 4RC64; 5RC20; 5RC40; and 5RC60. The second
number in the model designation indicates the total number of
cartridges per collector.

1.4 Factory Assembly

All OptiFlo dust collectors are shipped in sub-assemblies
requiring only:

• Field bolting of the hoppers, legs, and braces

• Connection of ductwork and/or the fan

• Mounting and wiring of the control box

• Connection of compressed air supply

• Differential and air pressure gauge connections

The collectors are shipped with filter elements installed. Units shipped
as 4 or greater assembled modules are not skidded. Instructions for
field assembly are given in subsequent sections.

The main housing is constructed of 7 gauge carbon steel. Each
module is complete with pulse-jet piping, 1-inch diaphragm pulse
valves, pilot solenoid valve control boxes, and 6-inch diameter
externally mounted compressed air reservoir. The compressed air
reservoir is provided with (2) 1

1

⁄ 2 inch NPT pipe couplings for

compressed air attachment and drain.

2.0 Installation Instructions

2.1 Inspection

The OptiFlo dust collector is normally shipped by truck and should be
checked for any damage that may have occurred en route. Any
damage should be noted and the carrier notified within 24 hours.

2.2 Installation

(See Figure 2 for Typical Installation, and Figures 6 and 7, back page
for parts.)

A crane is recommended for unloading, assembly and
installation of the OptiFlo dust collector. Stand hopper(s) on their

discharge side (hopper outlet) and apply caulk to hopper flanges in a
figure-eight pattern around bolt holes. Lift cabinet from the truck,
position over hopper(s) and bolt cabinet and hopper(s) together with

3

⁄ 8 " x 11⁄ 4 " thread cutting bolts, flatwashers, lock-washers, and nuts

as shown on Bolting Detail - Hopper to Cabinet, back page.

1.2 Normal Operation

During normal operation (See Figure 1), air enters the OptiFlo dust
collector through the inlet and passes through the filter elements. Dust
is collected on the outside surfaces of the elements and clean air
flows through the center of the elements into the clean air plenum, in
true “downflow” fashion, where it exits through the clean air outlet.

During filter element cleaning, a solid-state control timer automatically
selects the element or pair of elements to be cleaned, activating
solenoid valves which open air diaphragm valves. High pressure air
pulses directly into the center of the selected element, or pair of
elements, for 100 milliseconds, blowing collected dust off the filter
element(s). The dust is swept downward into the hopper by the
prevailing airflow and by gravity.

NOTE: For multiple module units, an inlet in each module is
mandatory to optimize performance.

Figure 1

3

WARNING:

• Connect lifting sling to at least four cabinet lifting lugs ­distribute load equally.

• Connect lifting sling to double-thickness cabinet lifting lugs
provided on collectors 3 and 4 modules wide. Always use
spreader bars on collectors field assembled wider than
4 modules.

• Use clevices, not hooks, on lifting sling.

• Use of spreader bars is recommended on all lifting slings.

Attach legs — All legs are the same, however, they must be located in
the proper position as shown in Figure 3. Also, leg crossbracing must
be located as shown in Figure 3. Lift the entire cabinet/hopper
assembly and attach legs with bolts (included), flatwashers,
lockwashers, and nuts — do not tighten bolts

. See Bolting Detail —

Legs to Cabinet, back page.

WARNING: Do not disconnect crane or attempt to support
cabinet on hoppers.

Attach leg crossbraces at rear of dust collector with included

5

⁄ 8 "

bolts, flatwashers, lockwashers, and nuts. See Figure 3 and Bolting
Detail — Leg Crossbracing, back page – do not tighten bolts. Lift
the assembled unit onto foundation anchor bolts.

Tighten all leg and crossbracing bolts. Fasten unit down to
anchor bolts with flatwashers, lockwashers and nuts before
removing crane.

Figure 2. OptiFlo Cartridge Collector Typical Installation

Figure 3 - As viewed from the cartridge access side

1 MOD 2 MOD 3 MOD

4 MOD

Typical
Side View

Diaphragm
Valve

Solenoid
Enclosure

Air Header
Blow-Down Valve*

Air Line to
Manifolds*

Solenoid
Electrical
Connection*

Air Regulator*

Air Filter
(Bleed Type)*

Air Valve*

Air Supply Line*

Automatic
Condensate Valve*

Solid-State
Control Timer

Low Voltage (120 V AC) Magnetic
Starter (Blower Motor)*

Lifting Lug

Air Manifold

Collector Fan Outlet*

Fan (Optional)

Magnehelic Gauge

Power Supply Disconnect Switch*

NOTE: These (*) items are not included with Dust Collector.