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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
900-039-81 (1/19)
(CDR: 20131)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
SLIMKOOL SERIES
K3NA4C4SP28L
480 VOLT 3-PHASE
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 Slimkool K3NA4C4SP28L
- Page 1 SLIMKOOL SERIES K3NA4C4SP28L 480 VOLT 3-PHASE 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. BEFORE INSTALLING AND...
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Page 2: Table Of Contents
Trouble Shooting 13 - 14 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 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: 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
VII. Specific Model Data Mounting The Kooltronic Special Purpose Air Conditioners K3NA4C4SP28L have been engineered to be installed easily. Prior to mounting, refer to page 9 and 10 for the mounting plan and the general arrangement drawings showing dimensions and locations of mounting holes and cutouts. Prior to cutting or drilling, make sure that cutouts and mounting holes do not interfere with components inside the cabinet. -
Page 9: Drawings And Dimensions
Mounting (con’t) 1. These externally mounted air conditioners have pre-installed gaskets to ensure a proper seal. This seal is necessary to maintain the integrity of the closed-loop system and the enclosure NEMA 4 or NEMA 4X Rating. 2. Attach mounting hooks to unit using the supplied (4) #10 -32 x screws, two per hook. - Page 10 Drawings and Dimensions (con’t)
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Page 11: Technical Data
Technical Data Ambient Running Approximate BTU/H BTU/H Temp. °F Amps Weight Model Capacity 95°F/95°F Max./Min. Volts 131°F/131°F lbs. K3NA4C4SP28L 4000 3500 131/-20 K3NA4C4SP28LV 4000 3500 131/-20 Major Component Replacements K3NA4C4SP28L-LV Part Part Number Compressor 0665-126 Compressor Contactor 0694-93 Filter Drier 0668-05 Condenser Impeller 0194-109... -
Page 12: 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 13: 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 14 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 15 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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