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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.
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NEMA
NEMA 4 or 4X
MAINTAINED
Select Model Type
Electrical (Volts/Hz):
115
230
NEMA Rating:
NEMA 4
NEMA 4X
Air Flow:
Intake
Exhaust
Model
Airflow
Direction
NEMA
Rating
Voltage
Input
Amps
Input
Watts
Max.
Airflow
CFM*
Unit
Airflow
CFM**
Noise
db(A)
Operating
Temp. °F
Approx. Weight
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)
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Dimensions, inches [mm], are for reference only and subject to change.
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.
Data Sheet
Guardian Series Filter Fan KNP225 Data Sheet [360Kb]
GA Drawing
KNP225FL/RFL Guardian/GuardianX NEMA 4 or 4X Series Indoor/Outdoor Filter Fans Drawing [72Kb]
Installation Instructions
Guardian Series Filter Fan KNP180/225 Installation Instructions [92Kb]
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Operator's Manual
Guardian Series Filter Fan KNP180/225 Operator's Manual [391Kb]
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Guardian Series Filter Fan KNP180/225 Wiring Diagram [40Kb]
Guardian Series Filter Fan KNP180/225 Wiring Diagram [40Kb]
