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6

Major Component Replacements

KNHE30

K2NHE30

Part Number            

Part Number

Blower

0194-14

0194-15

Capacitor

0452-06

0452-73

Coil

0666-32

0666-32

Options

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

WE, RED - WATER LEVEL ALARM
WE, BK    - HIGH TEMPERATURE ALARM

TO CUSTOMER
ALARM SYSTEM

TERM. BLOCK
HEAT AND
WATER ALARM

BK

RD

WE

A

(BLACK)
      H

THERMOSTAT

N.C.

N.O.

COM

N.C.

N.O.

COM

1

2

3

4

5

6

7

8

N.O.

BK

LEVEL SWITCH

CIRCUIT SHOWN WITH 
LINE POWER OFF

NO

NC

BK

RD

WE

TO CUSTOMER'S
LOW AIR FLOW ALARM SYSTEM

THERMOSTAT

SOLENOID

CAPACITOR

BLOWER
MOTOR

BRN

BK

WE

(WHITE)
      N

RELAY

OPTION "M"

AIR FLOW 
SWITCH

N.C

.

COM

TERMINAL
BLOCK 3

TO CUSTOMER
ALARM SYSTEM

Wiring Diagram

WD-644

Summary of Contents for KNHE30 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 20 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: ...ntroduction 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 for ...

Page 3: ...ger 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 Air Conditioner includes an identification nameplate This nameplate provides CAUTION Operate this unit only on the proper voltages and frequencies as noted on the nameplate MODEL NO SERIAL ...

Page 4: ...ipated conditions In some cases if sufficiently cold water is available below ambient temperature cooling can be achieved The Heat Exchanger with options Automatic Water Flow Control 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 resul...

Page 5: ...he bottom of the unit This hose must not be elevated above the exit port Improper mounting will impede the flow of condensate and may cause internal malfunctions 7 Attach supply line to 1 2 O D copper tubing Inlet on bottom of unit 8 Attach discharge line to 1 2 O D copper tubing Outlet on bottom of unit 5 Dimensions inches metric are for reference only and are subject to change MOUNTING PLAN FIGU...

Page 6: ...nishes Special motors line cords or connectors Temperature Alarm WE RED WATER LEVEL ALARM WE BK HIGH TEMPERATURE ALARM TO CUSTOMER ALARM SYSTEM TERM BLOCK HEAT AND WATER ALARM BK RD WE A BLACK H THERMOSTAT N C N O COM N C N O COM 1 2 3 4 5 6 7 8 N O BK LEVEL SWITCH CIRCUIT SHOWN WITH LINE POWER OFF NO NC BK RD WE TO CUSTOMER S LOW AIR FLOW ALARM SYSTEM THERMOSTAT SOLENOID CAPACITOR BLOWER MOTOR BR...

Page 7: ...e listing 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 preven...

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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