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Energy Saving Units

Energy Saving Fan Filter Units

SAM MS 3S Fan Filter Units provide quiet performance and economy while delivering 90 FPM airflow velocities, perfect for most cleanroom applications. Base design includes a 99.99% efficient HEPA filter, a prefilter and a 3-speed switch with an off position which disables the unit while servicing.

Housings are fabricated from steel with a white powdercoat finish and include seismic clip suspension points.

The 1/5 HP motor blower is a forward curved direct drive motor/blower assembly with isolation mounts. Units are available in 115 Volt (60 Hz) and 277 Volt (60 Hz).

Final filters are protected with a white epoxy diamond pattern grille and are tested according to accepted procedures as described by the Institute of Environmental Sciences (IEST) and/or ISO standards. The standard HEPA filter is 99.99% eff. and an ULPA grade 99.9995% eff. filter is available as an option.

SAM® MicroSound 3S NCR Style
SAM® MicroSound 3S GS Style Filter

Data: The HEPA Filters are designed for 90 FPM average face velocity @ initial 0.47 w.g. and have a rated efficiency of 99.99% @ 0.3 micron or larger. An anodized aluminum frame holds the 53mm media which is protected by a diamond pattern white epoxy coated steel grille.

Final filters can be replaced by removing unit from ceiling, placing on a bench, removing and replacing the filter and re-installing unit in ceiling.

Low Profile:
All SAM MicroSound NCR Style Models are 12-5/8″ high.

Air Flow:
Airflow ranges from 500 to 750 CFM for a 2 x 4 unit and 250 to 400 CFM for a 2 x 2 unit. At 90 FPM, CFM is nominal 632 on a 2 x 4 and 300 on a 2 x 2 unit respectively.

General Information:

Standard Ceiling Size:
All 2’ x 4’ models are designed to fit a nominal 2’ x 4’ ceiling grid with a 22.5″ x 46.5″ standard opening.

Sound Level:
At average face velocity of 90 FPM measured 30″ from face of filter, sound level is approximately 50-52 dba with less than 45 dba ambient sound level. Field conditions, voltage and method of testing could produce different results.

Specifications:


Motor Data
Motor Voltage Hz Amps Start-Up Amps (1.2)
Low Med High Low Med High
1/5 HP 115 60 1.45 1.95 2.85 1.70 2.60 5.0
1/5 HP 277 60 .52 .71 1.1 .60 .85 1.5
(1) Line voltage can affect actual start-up amperage
(2) Use standard NEC tables for sizing circuits
Replacement Filters
Mfg Code Description
302070 2 x 2 NCR Style HEPA Filter, 99.99% eff. @ 0.3 micron
302071 2 x 2 NCR Style ULPA Filter, 99.9995% eff. @ 0.12 micron
302013 2 x 3 NCR Style HEPA Filter, 99.99% eff. @ 0.3 micron
302015 2 x 3 NCR Style ULPA Filter, 99.9995% eff. @ 0.12 micron
302090 2 x 4 NCR Style HEPA Filter, 99.99% eff. @ 0.3 micron
302100 2 x 4 NCR Style ULPA Filter, 99.9995% eff. @ 0.12 micron
302190 Prefillter 20” x 20” x 1”, 30% ASHRAE eff., pleated type
Base Model (Ordering Information)
Mfg.
Code
Model Style Size Voltage Motor HEPA Filter
12339 SAM 22 MS 3S NCR* NCR 2 x 2 115 1/5 HP 302070
12340 SAM 22 MS 3S NCR* NCR 2 x 2 277 1/5 HP 302070
12343 SAM 23 MS 3S NCR* NCR 2 x 3 115 1/5 HP 302013
12344 SAM 23 MS 3S NCR* NCR 2 x 3 277 1/5 HP 302013
12347 SAM 24 MS 3S NCR* NCR 2 x 4 115 1/5 HP 302090
123478 SAM 24 MS 3S NCR* NCR 2 x 4 277 1/5 HP 302090
*UL Listed
3 Speed Switch Standard on all Models

Data: The HEPA Filter is designed for 90 FPM average face velocity @ initial 0.47 w.g. and has a rated efficiency of 99.99% @ 0.3 micron or larger.

An anodized aluminum frame holds the 53mm media which is protected by a diamond pattern white epoxy coated steel grille. Final filters are replaceable from roomside.

Access Port:
This port is located in the center of the filter element face and is used for introducing an upstream challenge or measuring static pressure.

Air Flow:
Airflow ranges from 340 to 640 CFM for a 2 x 4 unit and 220 to 340 CFM for a 2 x 2 unit. At 90 FPM, CFM is nominal 510 on a 2 x 4 and 220 on a 2 x 2 unit respectively.

General Information

Standard Ceiling Size:
All 2’ x 4’ models are designed to fit a nominal 2’ x 4’ ceiling grid with a 22.5″ x 46.5″ standard opening.

Sound Level:
At average face velocity of 90 FPM measured 30″ from face of filter, sound level is approximately 50-52 dba with less than 45 dba ambient sound level. Field conditions, voltage and method of testing could produce different results.

Specifications:


Motor Data
Motor Voltage Hz Amps Start-Up Amps (1.2)
Low Med High Low Med High
1/5 HP 115 60 1.45 1.95 2.85 1.70 2.60 5.0
1/5 HP 277 60 .52 .71 1.1 .60 .85 1.5
(1) Line voltage can affect actual start-up amperage
(2) Use standard NEC tables for sizing circuits
Replacement Filters
Mfg Code Description
302201 2 x 2 GS Style HEPA Filter, 99.99% eff. @ 0.3 micron
302204 2 x 2 GS Style ULPA Filter, 99.9995% eff. @ 0.12 micron
302214 2 x 3 GS Style HEPA Filter, 99.99% eff. @ 0.3 micron
302215 2 x 3 GS Style ULPA Filter, 99.9995% eff. @ 0.12 micron
302200 2 x 4 GS Style HEPA Filter, 99.99% eff. @ 0.3 micron
302203 2 x 4 GS Style ULPA Filter, 99.9995% eff. @ 0.12 micron
302190 Prefillter 20” x 20” x 1”, 30% ASHRAE eff., pleated type
Base Model (Ordering Information)
Mfg.
Code
Model Style Size Voltage Motor HEPA Filter Weight
12341 SAM 22 MS 3S GS* GS 2 x 2 115 1/5 HP 302201 72 lbs.
12342 SAM 22 MS 3S GS* GS 2 x 2 277 1/5 HP 302201 72 lbs.
12345 SAM 23 MS 3S GS* GS 2 x 3 115 1/5 HP 302214 83 lbs.
12346 SAM 23 MS 3S GS* GS 2 x 3 277 1/5 HP 302214 83 lbs.
12349 SAM 24 MS 3S GS* GS 2 x 4 115 1/5 HP 302200 91 lbs.
123478 SAM 24 MS 3S GS* GS 2 x 4 277 1/5 HP 302200 91 lbs.
*UL Listed
3 Speed Switch Standard on all Models