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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
900-039-85 (12/21)
(CDR: 20369)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
GUARDIAN SERIES
K2NA4C3DP24L
Find additional information on
this model at kooltronic.com or
use the Technical Documents
QR code below.
Technical
Documents
KOOLTRONIC, INC.
30 Pennington-Hopewell Road
Pennington, NJ 08534
609 • 466-3400
FAX: 609 • 466-1114
www.kooltronic.com
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Summary of Contents for Kooltronic Guardian K2NA4C3DP24L
- Page 1 GUARDIAN SERIES K2NA4C3DP24L Find additional information on Keep This Manual this model at kooltronic.com or use the Technical Documents With Air Conditioner QR code below. Technical Documents AIR CONDITIONER OPERATOR'S MANUAL CAUTION KOOLTRONIC, INC. 30 Pennington-Hopewell Road BEFORE INSTALLING AND...
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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...
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Page 8: Pre-Installation Testing
7. Reset the thermostat to the factory setting. WARNING: Operating the unit below 75°F may result in freezing of the evaporator coil. 8. 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. -
Page 9: Specific Model Data
VII. Specific Model Data Mounting Kooltronic Air Conditioners have been engineered to be installed easily. To avoid damaging your Air Conditioner, please read the following information before installation. • Refer to page 10 for the location of all mounting holes and cutouts. -
Page 10: Drawings And Dimensions
Drawings and Dimensions MOUNTING PLAN 2.60 [66.0] [11.7] [21.8] 10.39 [263.9] 1.24 10.06 [31.5] [255.5] 9.65 10.52 [245.1] [267.2] 1.00 [25.4] 6.90 WARM AIR RETURN FROM 4.28 [175.2] 8.42 ENCLOSURE [108.7] [213.8] 2.14 COOL AIR OUTLET [54.4] TO ENCLOSURE 6.50 5.03 [165.1] [127.7]... - Page 11 Drawings and Dimensions (con’t)
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Page 12: Technical Data
Technical Data Ambient Approx. Airflow UL/CUL Temperture Starting Fuse Weight 95/95 @ 60 Hz. NEMA Listed or BTU/H °F °C Running Amps Size Rating Model Rating Recognized Rating Max./Min. Max./Min. Volts Amps (LRA) Evap/Cond (Amps) @ 5 ft. lbs. kg. K2NA4C3DP24L Listed 3000... -
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 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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