Contact Us! 609-466-3400
Toggle navigation
Home
Products
Air Conditioners
Fans and Fan Trays
Custom Cooling Design
Basic Blowers
Packaged Blowers
Heat Exchangers
Enclosure Accessories
Spare/Replacement Parts
Product Documentation
Industries
Sizing
About Us
About Kooltronic
Kooltronic and the Environment
Virtual Tour
Kooltronic Timeline
Quality Standards
Services
Careers with Kooltronic
Contact Us
Sales Team
Contact Us
After Sale
K
are (ASK)
Blog
KNP225FL/RFL Guardian/GuardianX NEMA 4 or 4X Series
Indoor/Outdoor Filter Fans
Download
Product
Information
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.
TECHNICAL DATA
Click to
Request
Quote
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
K7NP225FL
Intake
NEMA 4
24VDC
4.56
109
444
350
69.1
-4
158
23.5
10.7
K7NP225RFL
Exhaust
NEMA 4
24VDC
4.56
109
444
350
69.1
-4
158
23.5
10.7
K8NP225FL
Intake
NEMA 4
48VDC
2.43
116
444
350
69.1
-4
158
23.5
10.7
K8NP225RFL
Exhaust
NEMA 4
48VDC
2.43
116
444
350
69.1
-4
158
23.5
10.5
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
K7NP225FLV
Intake
NEMA 4X
24VDC
4.56
109
444
350
69.1
-4
158
23.5
10.7
K7NP225RFLV
Exhaust
NEMA 4X
24VDC
4.56
109
444
350
69.1
-4
158
23.5
10.7
K8NP225FLV
Intake
NEMA 4X
48VDC
2.43
116
444
350
69.1
-4
158
23.5
10.7
K8NP225RFLV
Exhaust
NEMA 4X
48VDC
2.43
116
444
350
69.1
-4
158
23.5
10.7
*Fan airflow without filter and grille.
**NEMA Rated if installed with provided filter.
Click on image for larger view
NEMA
NEMA 4 or 4X
MAINTAINED
TECHNICAL DATA
Click to
Request
Quote:
Model
Number:
KNP225FL
KNP225RFL
K2NP225FL
K2NP225RFL
K7NP225FL
K7NP225RFL
K8NP225FL
K8NP225RFL
KNP225FLV
KNP225RFLV
K2NP225FLV
K2NP225RFLV
K7NP225FLV
K7NP225RFLV
K8NP225FLV
K8NP225RFLV
Airflow
Direction:
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
Intake
Exhaust
NEMA
Rating:
NEMA 4
NEMA 4
NEMA 4
NEMA 4
NEMA 4
NEMA 4
NEMA 4
NEMA 4
NEMA 4X
NEMA 4X
NEMA 4X
NEMA 4X
NEMA 4X
NEMA 4X
NEMA 4X
NEMA 4X
Voltage:
115
115
230
230
24VDC
24VDC
48VDC
48VDC
115
115
230
230
24VDC
24VDC
48VDC
48VDC
Input Amps:
1.85
1.85
0.93
0.93
4.56
4.56
2.43
2.43
1.85
1.85
0.93
0.93
4.56
4.56
2.43
2.43
Input Watts:
210
210
213
213
109
109
116
116
210
210
213
213
109
109
116
116
Fan Airflow CFM*:
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
444
Unit Airflow CFM**:
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
350
Noise db(A):
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
69.1
Operating Temp. Min. °F:
-40
-40
-40
-40
-4
-4
-4
-4
-40
-40
-40
-40
-4
-4
-4
-4
Operating Temp. Max. °F:
122
122
140
140
158
158
158
158
122
122
140
140
158
158
158
158
Weight Lbs.:
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
23.5
Weight Kg.:
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.5
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
*Fan airflow without filter and grille.
**NEMA Rated if installed with provided filter.
STANDARD FEATURES
Baked Powder Finish
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
ACCESSORIES AND OPTIONS
Filter-Hood Assemblies (Recommended) for KNP180/KNP225
For all NEMA 4 Units order Part Number KNPA225FL* For all NEMA 4X Units order Part Number KNPA225FLV* *KNPA225FL(V) is the Filter-Hood Assembly part number for all K_NP180FL(V) and K_NP225FL(V) Filter Fans.
Other voltages and frequencies
Replacement Filters for all models order Part Number 0429-01-06
T-Temperature Control (90°F) (AC units only)
B-Temperature Alarm (130°F)
PERFORMANCE
GENERAL ARRANGEMENT
Click on image for larger view
Dimensions, inches [mm], are for reference only and subject to change.
GENERAL ARRANGEMENT
Click on image for larger view
Dimensions, inches [mm], are for reference only and subject to change.
DOCUMENTS
Data Sheet
Guardian Series Filter Fan KNP225 Data Sheet [360Kb]
Installation Instructions
Guardian Series Filter Fan KNP180/225 Installation Instructions [92Kb]
Literature
Increasing the Lifespan and Reliability of Electrical Components [212Kb]
Kooltronic Design Guide/Catalog (215 pages) [24440Kb]
Kooltronic Standard Warranty [55Kb]
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]
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]
