Honeywell 11255 Pureflo-FPM, Fan-PoweredTerminal Filter Modules, General, Options, Performance

Pureflo-FPM

Fan-Powered Terminal Filter Modules

Standard: PF-FPM*-xxxx-STD Room Side: PF-FPM*-xxxx-RSR (Where * is efficiency designator of 493 for 99.99% efficient on .3 micron particles and 591 is 99.9995% efficient on .12 micron particl s.)

General

Pureflo-FPM Fan-Powered Terminal HEPA/ULPA Filter Modules are lightweight unitized low profile units consisting of a fan/motor assembly and a minipleat HEPA/ULPA filter pack, designed to pro- vide unidirectional vertical airflow from tee-bar ceil- ings. The modules are available in two sizes: nom- inal 24” x 24” and 24” x 48”; and in two types: a standard replaceable unit and a room side replace- able (RSR) unit. Module efficiencies are 99.99% on

0.3micron particles or 99.9995% on 0.12 micron particles.

Options

•Nominal 10” or 12” duct collars for conditioned air

•UL Class 1 dimple pleat HEPA filter

•25-30% efficient pleated prefilter

•Power cord for 115V modules

•220V 50/60 Hz fan motor

•277V 60 Hz fan motor

•Integral dual polarity DC air ionizing bar

•Neoprene Gasketed RSR filter pack

•Power indicator light

Application and Installation Consideratio s

Pureflo-FPM modules are recommended for use in clean- room applications for fabrication of micro- electronics, semiconductors, and medic l devices.

The filters in standard modules are table-top replaceable with the entire unit emoved from the ceiling. The filters in room side eplaceable (RSR) modules have an integral xtrud d channel filled with cleanroom quality s aling g l. The filters are clamped into the fan plenum against a continuous knife edge that is embedded into the gel for a

leakproof seal. Removal of the filter d es not dis- turb the enclosure. Neoprene gasketed filters are available as an option. Modules include threaded inserts with 1/4” eyebolts at each op corner for the attachment of seismic re traint wires. Polyfoam gasket material should be applied to the tee-bar surfaces on which the modules rest.

Performance

Pureflo-FPM modules produce HEPA or ULPA fil- tered air at a velocity of 90 fpm + 15 fpm six inches below the filter f ce. When using the solid state speed control, the sound level 30 inch from the fil- ter face is approximately 53 dbA (nc45) at a 90 fpm average face elocity and an ambient sound level of 25 dbA.

Construction

HEPA filter: Separatorless minipleat with water- resistant microfine fiberglass media 2.1” (53 mm) on STD models, and 2.76” (70 mm) on RSR models.

Fan Housing: Mil finish .063” aluminum

Protective Grille: Expanded 20 ga. steel, white pow- der-coated

Prefilter: Washable 20 ppi foam (pleated prefilter optional)

Integral Fan/Motor Assembly: Backward-curved fan with sealed bearings, direct-driven by a 115 volt single phase 1/3 HP PSC continuous duty ther- mally protected motor.

Speed Control: A solid state speed control is also standard on all voltages

Important Features

•Extremely quiet an/motor assembly

•HEPA/ULPA filters are replaceable

•Filt rs are scan-tested after assembly to meet or

xc d IEST RP-1 requirements for Type C and F fil- ters

• Minipleat separatorless filter pack for a lightweight

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and low profile design

• UL listed as a complete unit

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