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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
900-039-22 (12/21)
(CDR: 20369)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
TRIMLINE NP28 SERIES
KA4C4NP28L
with Serial Numbers up to and including L16A3713
K2A4C4NP28L
with Serial Numbers up to and including E16A1554
30 Pennington-Hopewell Road
Find additional information on this
model at kooltronic.com, or use the
Technical
Documents
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 Trimline NP28 Series
- Page 1 TRIMLINE NP28 SERIES KA4C4NP28L with Serial Numbers up to and including L16A3713 K2A4C4NP28L with Serial Numbers up to and including E16A1554 Find additional information on this model at kooltronic.com, or use the Technical Documents code Keep This Manual below. Technical...
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Page 2: Table Of Contents
10 - 11 Trouble Shooting 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 electronic 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
EVAPORATOR HEAT EXCHANGER Kooltronic Air Conditioners are required when the equipment operating temperature must be kept near or lower than the ambient room temperature, and/or the cabinet must be sealed from dust, fumes, oil, corrosives and other contaminants. This Air Conditioner utilizes a "Closed-Loop Cooling System" to ensure optimum performance of the installed components. -
Page 6: Pre-Installation Testing
14. If any cover plug is removed to adjust the unit, make certain to put back in place to maintain the integrity of the closed-loop airflow system. NOTE: Before shipment all Kooltronic, Inc. Air Conditioners are subjected to a performance test. -
Page 7: Specific Model Data
The actual weight of the unit can be found in the performance specifications. Kooltronic Air Conditioners have been engineered to be installed easily. To avoid damaging your Air Conditioner, please read the following information before installation: 1. -
Page 8: Drawings And Dimensions
(Ambient Air In) (NP28 only) ➁ ➃ CONDENSER OUTLET COOL AIR OUTLET (Warm Ambient Air Out) TO ENCLOSURE (NP28 only) * Other drain outlets are available - contact KOOLTRONIC Dimensions (inches) are for reference only and are subject to change. -
Page 9: Technical Data
Evaporator Blower Motor Capacitor 0452-03 Evaporator Blower Assembly 609028-00-15 Filter 8751F NOTE: Part Numbers shown are for 115V, 60 Hz/1Ø. For 230V and all 50 Hz consult Kooltronic. Accessories and Options Standard Features Compressor Short Cycle Protector Built-in Condensate Evaporator Enclosure Heater... -
Page 10: Maintenance
3) The filters may be sprayed with Kooltronic A-16 Filter Recoating Adhesive to trap fine airborne contaminants, or they may simply be dried and reinstalled as strainer type filters. - Page 11 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 Air Conditioner has to be moved to another location by truck, the following precautions should be taken: De-mount Air Conditioner from equipment, controller or enclosure.
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Page 12: Trouble Shooting
IX. Trouble-Shooting Each Kooltronic Air Conditioner is engineered for performance and built for reliability. They are designed to require no routine maintenance other than the cleaning of ambient air filters. If your air conditioner should require service, we have compiled a trouble-shooting chart to assist your service personnel. -
Page 13: 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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