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Major Component Replacements

KNHE28

K2NHE28

Blower/Motor Assembly

KBB36

K2BB36

Capacitor

0452-03

Blower Motor

0261-120

0261-121

Coil

0666-35

Accessories

■

Automatic Water Flow Control

■

High Water Level Detector

■

Internal corrosion resistant coatings

■

Low Airflow Detector

■

Other voltages and frequencies

■

Special materials or finishes

■

Special motors, line cords or
connectors

■

Temperature Alarm

6 2
8 4

7 3

1 0

BLOWER

MTR

LEVEL SWITCH

SOLENOID

RELAY

STD. PLUG
WITH GND.

N.O.

CAPACITOR

N.O.

N.C.

ALARM

TSTAT

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.

Weight

lbs. (kg.)

KNHE28

115

1.2

140

85 (29)

42 (76)

50 (38.7)

6,449 (1,890)

7,677 (2,250)

44 (20)

K2NHE28

230

0.6

140

85 (29)

42 (76)

50 (38.7)

6,449 (1,890)

7,677 (2,250)

44 (20)

Note: The rating Watts/°F is the heat dissipation divided by temperature difference between maximum air temperature in

enclosure and water temperature entering the heat exchanger.

Содержание KNHE28 Series

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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