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5

VI. Specific Model Data

Mounting

Kooltronic Heat Exchangers have been engineered to be installed easily. To avoid damaging your
Heat Exchanger, please read the following information before installation:

1.

Remove tape that holds M/TAB to the unit. Remove the M/TAB.

2.

See DRAWING & DIMENSIONS for proper orientation. Place the M/TAB flush against the 
outside of the cabinet to locate cutouts and mounting holes.

3.

Make sure the cutouts don't interfere with components inside your cabinet.

4.

Mount the M/TAB to the outside of the cabinet using all the mounting hardware supplied by
Kooltronic (

1/4

-20 screws/nuts/washers). Preferred positions: one in each corner and two near

center on each side. NOTE: Make sure the screws are inserted with heads toward you. Tighten
nuts securely.

5.

Route the power cord through the bottom cut out in your cabinet. Mount the unit to the M/TAB.
Tighten the unit to the enclosure using supplied hardware (10-32 screws/nuts/washers). 

6.

Attach overflow drain hose supplied to the drain exit at the bottom of the unit. This hose 

must not

be elevated above the exit port. Improper mounting may impede the flow of condensate and may
cause internal malfunctions.

7.  Attach supply line to 3/8" O.D. copper tubing Inlet on the side of unit.
8.  Attach discharge line to 3/8" O.D. copper tubing Outlet on the side of unit.

Mounting Plan

UNIT

M/TAB

 

11.63

[295.4]

0.81

[20.6]

3.31

[84.1]

28.75

[730.3]

0.38
[9.7]

10.88

[276.4]

0.63

[16.0]

3.88

[98.6]

TYP.

UNIT
OUTLINE

M/TAB
OUTLINE

(20) .250
[6.4] DIA.
HOLES

0.38
[9.7]

7.13

[181.1]

8.00

[203.2]

2.25

[57.2]

1.81

[46.0]

10.00

[254.0]

15.44

[392.2]

7.50

[190.5]

TYP.

2.25 

[57.2]

3.31

[84.1]

6.44

[163.6]

4.13

[104.9]

5.06

[128.5]

(8) .281 [7.0]
DIA. HOLES

1

1

2

2

DRAIN*

POWER
CORD

1

2

3

WATER
INLET

WATER
OUTLET

3

10.13

[257.3]

28.00

[711.2]

11.63

[295.4]

11.63

[295.4]

1

WARM AIR RETURN FROM ENCLOSURE

2

COOL AIR OUTLET TO ENCLOSURE ( Enclosure opening should be located 
as high as possible within this area and equal or exceed the size of the cool air outlet).

3

3/8 " COPPER TUBING HOOKUPS

DRAWING & DIMENSIONS

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

Summary of Contents for KNHE28 Series

Page 1: ...AT EXCHANGER IT IS IMPORTANT THAT THIS MANUAL BE READ AND UNDERSTOOD THOROUGHLY KOOLTRONIC INC 30 Pennington Hopewell Road Pennington NJ 08534 609 466 3400 FAX 609 466 1114 www kooltronic com 900 046 15 7 20 CDR 20272 Find additional information on this model at kooltronic com or use the Technical Documents QR code below Technical Documents ...

Page 2: ... Introduction Kooltronic Heat Exchangers are designed to provide a cool environment for your electronic or electrical components There are models to fit virtually all sizes and shapes of electrical or electronic enclosures Our closed loop design also ensures that your components will not be exposed to hot dirty operating conditions This Manual provides you with the necessary general information fo...

Page 3: ...er until you read and thoroughly understand this Manual Before operating this unit all electrical wiring must be checked to assure the proper connections IV Product Identification and Nameplate Each Kooltronic Heat Exchanger includes an identification nameplate This nameplate provides CAUTION Operate this unit only on the proper voltages and frequencies as noted on the nameplate Model Number Seria...

Page 4: ...anger with options Automatic Water Flow Control and Heater is shown on Figure 2 Heated Air Blower Water with Heat Load Cold Water Heat Exchanger Cabinet Cooled Air WATER TO AIR A Water to Air Heat Exchanger works by transferring heat of internal air to circulating water resulting in chilled air which is recirculated throughout the electronics or electrical cabinet The Adjustable Water Control Ther...

Page 5: ...crews nuts washers 6 Attach overflow drain hose supplied to the drain exit at the bottom of the unit This hose must not be elevated above the exit port Improper mounting may impede the flow of condensate and may cause internal malfunctions 7 Attach supply line to 3 8 O D copper tubing Inlet on the side of unit 8 Attach discharge line to 3 8 O D copper tubing Outlet on the side of unit Mounting Pla...

Page 6: ...AT AIR FLOW SWITCH BLOCK TERM TSTAT CONT OPTIONS Wiring Diagram WD 394 NOTE Part Numbers shown are for 60Hz 1Ø For 50Hz consult Kooltronic Technical Data 60 Hz operation For 50 Hz operation consult Kooltronic Model Volts Power Amps Watts Maximum Inlet Water Temp ºF ºC Performance Watts ºF Watts ºC 1 GPM 2 GPM BTU H Watts 95ºF 35ºC Enclosure Air Temp 50ºF 10ºC Inlet Water Temp 1 GPM 2 GPM Approx We...

Page 7: ...ing of Major Component Replacements earlier in this manual VIII Packing Procedure Keep Heat Exchanger in proper upright position Pack Heat Exchanger in an appropriate carton preferably original carton if possible with adequate internal protective packaging making sure carton is marked properly For local controlled transportation strap carton where possible to a secure part of truck to prevent fall...

Page 8: ...s received by customer Number of parts to be returned Product description model and serial number Reason for return Action requested Contact name telephone FAX numbers and e mail address Pack unit in a suitable container for shipment preferably the original packaging if available All Heat Exchangers must be returned in an upright position properly secured to a pallet Improper packaging may void wa...

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