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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
900-039-106 (12/21)
(CDR: 20369)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
INTREPID
EP56 SERIES
K2A6C30EP56TR/BR
K2A6C30EP56TR
with Serial Numbers J21A2011 and above
K2A6C30EP56BR
with Serial Numbers H21A1808 and above
30 Pennington-Hopewell Road
Find additional information on this
model at kooltronic.com, or use the
Technical
Documents
QR
below.
Technical
Documents
KOOLTRONIC, INC.
Pennington, NJ 08534
609 • 466-3400
FAX: 609 • 466-1114
www.kooltronic.com
code

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Summary of Contents for Kooltronic J21A2011

  • Page 1 INTREPID EP56 SERIES K2A6C30EP56TR/BR K2A6C30EP56TR with Serial Numbers J21A2011 and above K2A6C30EP56BR with Serial Numbers H21A1808 and above Keep This Manual With Air Conditioner Find additional information on this model at kooltronic.com, or use the Technical Documents code below. Technical...
  • Page 2: Table Of Contents

    Trouble Shooting 14 - 15 Warranty NOTE: Wiring Schematics are available on the specific model page of the Kooltronic website. I. Introduction Kooltronic Air Conditioners are designed to provide a cool, dehumidified environment for your electronic components. There are models to fit virtually all sizes and shapes of electronics enclosures, in capacities ranging from 1,000 to 30,000 BTU/H.
  • Page 3: Incoming Inspection

    Manual. See section VI PRE-INSTALLATION TESTING. 2) Before operating the Kooltronic 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 Electrical power characteristics Maximum and minimum ambient operating temperatures Cooling capacity Type and amount of refrigerant required for recharging Design Pressure...
  • Page 5: Principles Of Operation

    When the Kooltronic Air Conditioner is properly sized it should operate constantly and maintain 75°F to 115°F enclosure temperature, depending on the ambient temperatures.
  • Page 6 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 7 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 8: Pre-Installation Testing

    10. If a cover plug was removed to adjust the unit, be sure to replace it in order to maintain the integrity of the closed-loop airflow system. NOTE: Before shipment all Kooltronic Air Conditioners are subjected to a performance test. VII. Specific Model Data...
  • Page 9 2. Attach two hooks to your enclosure with supplied hardware. 3. Route the power cord through the bottom cutout in your enclosure. It is recommend that a lift truck be used to mount the air conditioner. Hang the air conditioner on the hooks. Before the lift truck lowers the air conditioner make sure that the hooks are located inside of the small cutouts on the front panel.
  • Page 10: Drawings And Dimensions

    Drawings and Dimensions MOUNTING PLAN (6) .375 [9.5] 3.05 17.18 DIA. HOLES [77.4] [436.4] 0.62 [15.9] TYP. 0.50 [12.7] TYP. EP56B 7.37 [187.2] EP56T 11.38 6.44 [289.1] (3) .375 [9.5] [163.7] DIA.OPTIONAL MOUNTING HOLES 18.57 [471.7] 10.41 10.29 1.78 53.75 [264.5] [261.3] [45.3]...
  • Page 11 Drawings and Dimensions...
  • Page 12: Technical Data

    0261-275 Evaporator Coil 0667-51 Condenser Coil 0666-59-01 Thermostat 0750-137 NOTE: Part Numbers shown are for 60Hz/1Ø. For 50Hz consult Kooltronic. Standard Features Available in either top or bottom evaporator air discharge models Accessories and Options Baked Powder Finish Enclosure Heater...
  • Page 13: Maintenance

    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 14: Trouble Shooting

    D. Refrigerant Loss Kooltronic Air Conditioners are subjected to a series of tests to detect refrigerant leaks, during and after manufacture. It is possible that shipping or other damage, or microscopic leaks over a long period, may result in the need for replenishment of refrigerant charge. When it has been verified by a Certified EPA Technician that a refrigerant shortage does exist, the leak must be repaired.
  • Page 15 Problem Cause Solution Unit not cooling. (Temperature Failed Evaporator Blower. Check Blower wire connections. difference between return and Check Blower Capacitor. supply air is less than 10°F). Replace Evaporator Blower. Compressor and Condenser Blower are running. Evaporator Blower does not run. Unit not cooling.
  • Page 16: Warranty

    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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