Kooltronic HL Series Operator's Manual
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Kooltronic HL Series Operator's Manual

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OPERATOR'S MANUAL
CAUTION
BEFORE INSTALLING AND
USING THIS AIR CONDITIONER,
IT IS IMPORTANT THAT THIS
MANUAL BE READ AND
UNDERSTOOD THOROUGHLY
900-039-79 (1/19)
(CDR: 20131)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
HAZARDOUS LOCATION SERIES
K3A6C24HL60LV
480 VOLT 3-PHASE
U.S. Pat. No. 9,157,670 B2
30 Pennington-Hopewell Road
Find additional information on
this model at kooltronic.com or
use the Technical Documents
QR code below.
Technical
Documents
KOOLTRONIC, INC.
Pennington, NJ 08534
609 • 466-3400
FAX: 609 • 466-1114
www.kooltronic.com

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Summary of Contents for Kooltronic HL Series

  • Page 1 HAZARDOUS LOCATION SERIES K3A6C24HL60LV 480 VOLT 3-PHASE U.S. Pat. No. 9,157,670 B2 Keep This Manual With Air Conditioner Find additional information on this model at kooltronic.com or use the Technical Documents QR code below. Technical Documents AIR CONDITIONER OPERATOR'S MANUAL CAUTION KOOLTRONIC, INC.

  • Page 2: Table Of Contents

    NOTE: Wiring Schematics are available on the specific model page of the Kooltronic website. I. Introduction Kooltronic Hazardous Location Air Conditioners (HL Series) are designed to provide a cool, dehumidified environment for your electronic components. Our "closed-loop" design also ensures that your components will not be exposed to hot, dirty operating conditions.

  • Page 3: Incoming Inspection

    Manual. See section VII PRE-INSTALLATION TESTING. 2) Before operating the Kooltronic Hazardous Location Air Conditioner be certain that it is placed in its correct mounting position. This Air Conditioner is designed to operate in a vertical position only. This placement must be done a minimum of 5 minutes prior to operating in order to allow the compressor oil to drain to the compressor sump area.

  • Page 4: Product Identification And Nameplate

    IV. Product Identification and Nameplate Each Kooltronic Air Conditioner includes an identification nameplate. This nameplate provides: Model Number Serial Number Cooling capacity Heating capacity (Optional) Electrical power characteristics Type and amount of refrigerant required for recharging Design Pressure Maximum and minimum ambient operating temperatures...

  • Page 5: Warnings

    V. Warnings WARNING - PRESSURIZED ENCLOSURE Kooltronic Air Conditioner K3A6C24HL60LV must be properly installed on a pressurized enclosure and connected to the pressurized enclosure Purge/Pressurized Control System before operating. WARNING - PRESSURIZED ENCLOSURE This Air Conditioner must not be opened unless the area atmosphere is known to be below the ignitable concentration of combustible materials or unless all devices within have been de-energized.

  • Page 6: Principles Of Operation

    VI. Principles of Operation Kooltronic HL Series Air Conditioners are designed for Class I, Division 1 and Division 2 and Class I, Zone 1 and Zone 2 applications. They are used only when installed on pressurized customer enclosures and connected to a pressurized enclosure Purge/Pressurized Control System.
  • Page 7 Temperature on the thermostat display is 5°F higher than the return temperature from the enclosure. The low temperature thermostat set point is 75°F. The set point can be adjusted. Consult with Kooltronic if the set point needs to be adjusted below 80°F.
  • Page 8 Principles of Operation (con’t) MAX AND MIN TEMPERATURE MEMORIZATION 2) Select the required parameter. Press the SET HOW TO SEE THE MIN TEMPERATURE: key to display its value. 3) Use up or down arrow keys to change its value. 1) Press and release the down arrow key.
  • Page 9 Principles of Operation (con’t) RESETTING If it becomes necessary to reset the unit, the factory settings are as follows.: RANGE PARAMETER DESCRIPTION VALUE UNIT MINIMUM MAXIMUM Set Point °F Differential °F Fourth probe display Third probe display Evaporator probe display Room probe display Differential for temperature alarm recovery °F...

  • Page 10: Pre-Installation Testing

    9. Reset the thermostat to the factory setting (75°F). 10. Turn off the electrical power and disconnect the air conditioner from the power source. NOTE: Before shipment all Kooltronic Air Conditioners are subjected to a performance test. CAUTION If the air conditioner is mounted to the cabinet door you must be sure that the door hinges will support the additional weight of the air conditioner.
  • Page 11 Any action taken based upon this information is strictly at your own risk. Kooltronic accepts no liability for the content of this information, or for the consequences of any actions taken on the basis of the information provided.

  • Page 12: Specific Model Data

    The Kooltronic HL Series Air Conditioners K3A6C24HL60LV have been engineered to be installed easily. Prior to mounting, refer to page 13 for the mounting plan showing dimensions and locations of mounting holes and cutouts.

  • Page 13: Drawings And Dimensions

    Drawings and Dimensions MOUNTING PLAN K3A6C24HL60LV [10.6] 22.25 [565.1] (28) .312 [7.9] DIA. HOLES 23.00 [584.2] 13.63 [346.2] 1.04 WARM AIR RETURN FROM ENCLOSURE [26.4] 10.00 [254.0] COOL AIR OUTLET TO ENCLOSURE 6.00 [152.4] TYP. 21.00 [533.4] 2.53 12.21 [64.2] [310.1] TYP.
  • Page 14 Drawings and Dimensions (con’t)

  • Page 15: Technical Data

    Technical Data Pressurized Air Leakage Ambient Running Approx. 95/95 Compartment @ 0.5 i.w.g. BTU/H Temp. °F Volts Amps Weight Rating Volume Pressure Model Capacity Max./Min. 125°F/125°F BTU/H cu. ft. K3A6C24HL60LV 24000 21600 125/-20 10.0 18.0 Major Component Replacements K3A6C24HL60LV Part Part Number Compressor 0665-417...

  • Page 16: Maintenance

    Dirty liquid will be removed through the condenser coil drain pan. B. Blowers The design life of the blowers used in all Kooltronic Air Conditioners is substantially in excess of 20,000 hours. All Kooltronic condenser and evaporator blowers are equipped with automatic-reset thermal overload protectors.

  • Page 17: Trouble Shooting

    Refer to the data on the unit nameplate which specifies the type of refrigerant and the amount of charge in ounces. E. Relocation If your Kooltronic HL Series Air Conditioner has to be moved to another location by truck, the following precautions should be taken: ■...
  • Page 18 Trouble-Shooting (con’t) Problem Cause Solution Compressor and Condenser Return temperature is Normal Operation. Blower do not run when initially between Thermostat set energized after 15 minutes. point and differential 75°F to 86°F). Unit not cooling. (Temperature Failed Thermostat Check Thermostat and Relay wire connections. difference between return and or Relay.
  • Page 19 THIS WARRANTY CONSTITUTES THE ENTIRE WARRANTY WITH RESPECT TO THE PRODUCT AND IS IN LIEU OF ALL OTHERS, EXPRESSED OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY AND WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND IN NO EVENT IS KOOLTRONIC RESPONSIBLE FOR ANY CONSEQUENTIAL DAMAGES OF ANY NATURE WHATSOEVER.

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