KNP225FL/RFL Guardian/GuardianX NEMA 4 or 4X Series
Indoor/Outdoor Filter Fans

For general ventilating use only. Do not use these fans to exhaust hazardous or explosive material and vapors.
NOT ALL SYSTEMS ARE SUITABLE FOR UTILIZING OUTSIDE AIR. To protect sensitive components against condensation an enclosure heater or closed-loop cooling is recommended. To protect sensitive components against corrosive elements closed-loop cooling is recommended.

NEMA NEMA 4 or 4X
MAINTAINED

Select Model Type

Electrical (Volts/Hz):
NEMA Rating:

Air Flow:

Model	Airflow Direction	NEMA Rating	Voltage	Input Amps	Input Watts	Max. Airflow CFM*	Unit Airflow CFM**	Noise db(A)	Operating Temp. °F		Approx. Weight
Model	Airflow Direction	NEMA Rating	Voltage	Input Amps	Input Watts	Max. Airflow CFM*	Unit Airflow CFM**	Noise db(A)	Min.	Max.	Lbs.	Kg.
KNP225FL	Intake	NEMA 4	115	1.85	210	444	350	69.1	-40	122	23.5	10.7
KNP225RFL	Exhaust	NEMA 4	115	1.85	210	444	350	69.1	-40	122	23.5	10.7
K2NP225FL	Intake	NEMA 4	230	0.93	213	444	350	69.1	-40	140	23.5	10.7
K2NP225RFL	Exhaust	NEMA 4	230	0.93	213	444	350	69.1	-40	140	23.5	10.7
KNP225FLV	Intake	NEMA 4X	115	1.85	210	444	350	69.1	-40	122	23.5	10.7
KNP225RFLV	Exhaust	NEMA 4X	115	1.85	210	444	350	69.1	-40	122	23.5	10.7
K2NP225FLV	Intake	NEMA 4X	230	0.93	213	444	350	69.1	-40	140	23.5	10.7
K2NP225RFLV	Exhaust	NEMA 4X	230	0.93	213	444	350	69.1	-40	140	23.5	10.7

*Fan airflow without filter and grille.
**NEMA Rated if installed with provided filter.

TECHNICAL DATA

Model Number:	Airflow Direction:	NEMA Rating:	Voltage:	Fan Airflow CFM*:	Unit Airflow CFM**:
KNP225FL	Intake	NEMA 4	115	444	350
Input Amps: 1.85 Input Watts: 210 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 122 Approx. weight: 23.5 lbs. (11 kg)
KNP225RFL	Exhaust	NEMA 4	115	444	350
Input Amps: 1.85 Input Watts: 210 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 122 Approx. weight: 23.5 lbs. (11 kg)
K2NP225FL	Intake	NEMA 4	230	444	350
Input Amps: 0.93 Input Watts: 213 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 140 Approx. weight: 23.5 lbs. (11 kg)
K2NP225RFL	Exhaust	NEMA 4	230	444	350
Input Amps: 0.93 Input Watts: 213 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 140 Approx. weight: 23.5 lbs. (11 kg)
KNP225FLV	Intake	NEMA 4X	115	444	350
Input Amps: 1.85 Input Watts: 210 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 122 Approx. weight: 23.5 lbs. (11 kg)
KNP225RFLV	Exhaust	NEMA 4X	115	444	350
Input Amps: 1.85 Input Watts: 210 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 122 Approx. weight: 23.5 lbs. (11 kg)
K2NP225FLV	Intake	NEMA 4X	230	444	350
Input Amps: 0.93 Input Watts: 213 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 140 Approx. weight: 23.5 lbs. (11 kg)
K2NP225RFLV	Exhaust	NEMA 4X	230	444	350
Input Amps: 0.93 Input Watts: 213 Noise db(A): 69.1 Min. Operating Temp. °F: -40 Max. Operating Temp. °F: 140 Approx. weight: 23.5 lbs. (11 kg)

*Fan airflow without filter and grille.
**NEMA Rated if installed with provided filter.

Standard Features
Accessories & Options
Performance
Arrangement
Similar Models
Documents

• Baked Powder Finish

Heavy-duty steel shell with powder-baked finish (ANSI 61 gray). Custom color options are available.

• Integrated Fan Guards
• Integrated Sealing Gasket
• IP55 Filter Protection
• NEMA 4 or 4X Rating Maintained (if used with provided filter)
• Secure Mounting
• Six-Foot [1.8m] (minimum) 3-Wire Power Cord
• Stainless Steel Shell (NEMA 4X models)

For applications in corrosive or other hostile environments such as those requiring Internal Corrosion Resistant Coatings, especially where chemical/moisture combinations are present.

• UL shielded ball bearing motors
• Washable, Reuseable Filter
• UL/CUL Listed

• KNPA225FL Filter-Hood Assemblies (Recommended)
• Other voltages and frequencies
• Replacement Filters for all models order Part Number 0429-01-06
• Reversed Airflow Direction

To order reversed airflow, add "R" after series number. Example: KNP180RFL

• T-Temperature Control (90°F) (AC units only)
• B-Temperature Alarm (130°F)

Click on image for larger view
General Arrangement Thumbnail

KNP225FL Filter Fans general arrangement drawing

Dimensions, inches [mm], are for reference only and subject to change.

Similar Models for this product family are not currently available. Please contact Customer Service for more information.

Literature

	Increasing the Lifespan and Reliability of Electrical Components [212Kb]
	Kooltronic Custom Capabilities Flyer [2194Kb]
	Kooltronic Custom Cooling Medical Flyer [211Kb]
	Kooltronic Design Guide/Catalog (220 pages) [229400Kb]
	Kooltronic Refrigeration System Manufacturing [55Kb]
	Kooltronic Standard Warranty [55Kb]
	Kooltronic Unit Longevity Press Release [167Kb]
	NEMA Enclosure Ratings [91Kb]
	Short-Form Catalog (16 pages) [897Kb]
	Fans & Fantrays Quick-Sheet [87Kb]
	Airflow Switch Data Sheet [159Kb]
	Advantage Series Filter Fan Brochure [376Kb]
	Filter Fan Flyer [136Kb]
	Guardian Series NEMA 4 or 4X Filter Fan Flyer [1047Kb]
	Laboratory Environmental Testing Services [157Kb]
	Powder Paint Application Facilities Flyer [165Kb]

Operator's Manual

Guardian Series Filter Fan KNP180/225 Operator's Manual [391Kb]

Wiring Diagram (Point-to-Point)

	Guardian Series Filter Fan KNP180/225 230 Volt Wiring Diagram [38Kb]
	Guardian Series Filter Fan KNP180/225 Wiring Diagram [39Kb]
	Guardian Series Filter Fan KNP180/225 Wiring Diagram [40Kb]
	Guardian Series Filter Fan KNP180/225 Wiring Diagram [40Kb]

Contact Info:
	Kooltronic, Inc. 30 Pennington-Hopewell Road Pennington, NJ 08534 USA
	609-466-3400 800-321-KOOL
	609-466-1114 (fax)
	Contact Us

KNP225FL/RFL Guardian/GuardianX NEMA 4 or 4X Series Indoor/Outdoor Filter Fans

KNP225FL/RFL Guardian/GuardianX NEMA 4 or 4X Series
Indoor/Outdoor Filter Fans