R
UNIT MUST BE 12" [300mm]
MINIMUM ABOVE FLOOR
FOR FILTER ACCESS
NEMA
TYPE 4/4X
MAINTAINED
STANDARD FEATURES
Closed-Loop Near-Ambient Cooling
Epoxy-coated aluminum element
Filter
Gasketed Flanges
NEMA 4/4X Rating Maintained (UL50)
Stainless Steel Shell
UL Listed
ACCESSORIES
AND OPTIONS
Filter Recoating Adhesive
Lifting Eyes
Low Airflow Detector
Other voltages and frequencies
Replacement Filters
Special materials or finishes
Special motors, line cords, or
connectors
Temperature Alarm
TECHNICAL DATA*
Maximum Performance Approx.
Normally Power Temperature ºF Watts/ºF Weight
Model in Stock Volts Amps Watts Enclosure Ambient (Air In) (lbs.)
KNHX32 Yes 115 1.50 160 160 -20 to 131 21 70
K2NHX32 230 1.10 260 160 -20 to 131 21 70
50 60
40
70 80 90 100 110 120 130
750
1000
1250
1500
1750
2000
500
250
0
Ambient Temperature (ºF)
Cooling Capacity (Watts)
Maximum enclosure
air temperature ºF
130
100
110
120
KNHX32
MOUNTING PLAN
UNIT
MOUNTING PLAN
M/TAB & CUTOUTS
KNHX32 AIR-TO-AIR
PANEL-MOUNTED HEAT EXCHANGERS
Dimensions, inches [mm], are for reference only and subject to change.
* 60 Hz. operation. For 50 Hz. operation, consult Kooltronic.
knhx32.qxd 12/21/15
PERFORMANCE*
Find additional information on this
model at kooltronic.com, or use the
Technical Documents QR code
below.
Technical
Documents
13.13
[333.5]
32.25
[819.2]
3
4
14.50
[368.3]
M/TAB
2
1
13.00
[330.2]
1.25
[31.8]
31.50
[800.1]
14.50
[368.3]
[101.6]
POWE
CORD
FILTER
4.00
TYP.
FILTERED CONDENSER
1
AIR INLET (Ambient Air In)
CONDENSER OUTLET
2
(Warm Ambient Air Out)
WARM AIR RETURN FROM
3
ENCLOSURE
COOL AIR OUTLET
4
TO ENCLOSURE
(24) .250 [6.4]
DIA. HOLES
2.00
[50.8]
10.50
[266.7]
TYP.
(6) .312 [7.9]
DIA. HOLES
31.50
[800.1]
13.13
[333.5]
32.25
[819.2]
13.00
[330.2]
2
3
4
14.50
[368.3]
1
POWER
CORD
1.38
[35.1]
4.00
[101.6]
UNIT
OUTLINE
4.25
[108.0]
TYP.
0.38
[9.7]
3
4
13.75
[349.3]
31.50
[800.1]
0.38
[9.7]
32.25
[819.2]
13.00
[330.2]
TYP.
5.13
4.06
[103.1]
3.50
[88.9]
1.50
[38.1]
[130.3]
11.50
[292.1]
TYP.
3
4
8.00
[203.2]
2.19 [55.6]
3.13 [79.5]
2.69 [68.3]
8.00
[203.2]
3.81
[96.8]
M/TAB
OUTLINE
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