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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
900-034-13 (12/21)
(CDR: 20369)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
NPT SERIES
K_A6C4NPT33L
Find additional information on this
model at kooltronic.com, or use the
Technical
Documents
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 NPT33 Series
- Page 1 NPT SERIES K_A6C4NPT33L Find additional information on this Keep This Manual model at kooltronic.com, or use the Technical Documents code With Air Conditioner below. Technical Documents AIR CONDITIONER OPERATOR'S MANUAL CAUTION KOOLTRONIC, INC. 30 Pennington-Hopewell Road BEFORE INSTALLING AND Pennington, NJ 08534 USING THIS AIR CONDITIONER, 609 •...
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Page 2: Table Of Contents
Trouble Shooting 12 - 13 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
In applications having frequent voluntary heat load fluctuations, an optional Compressor Short Cycle Protector is recommended. When the Kooltronic Air Conditioner is properly sized it should operate constantly and maintain 75 F to... - Page 6 The air conditioner must be standing in its proper mounting position for a minimum of five (5) minutes prior to testing. Failure to follow this procedure will cause permanent damage to the compressor. To avoid compressor damage do not tip the unit more than 45 from its proper mounting position.
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Page 7: Specific Model Data
VII. Specific Model Data Mounting The Kooltronic Special Purpose Air Conditioners K_A6C4NPT33L have been engineered to be installed easily. Prior to mounting, refer to the mounting plan on page 8 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 8: Drawings And Dimensions
Drawings and Dimensions MOUNTING PLAN 1.08 [27.4] (8) .312 [7.9] 10.11 DIA. HOLES [256.7] 8.00 Π9.00 [203.2] [228.6] TYP. 8.00 [203.2] TYP. WARM AIR RETURN FROM ENCLOSURE 19.09 8.00 [484.8] [203.2] COOL AIR OUTLET 10.90 TYP. TO ENCLOSURE [276.8] [17.2] TYP. - Page 9 Drawings and Dimensions...
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Page 10: 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.) KA6C4NPT33L 4000 3200 131/-20 K2A6C4NPT33L 4000 3200 125/-20 K2A6C4NPT33L 4000 3200 123/-20 Major Component Replacements KA6C4NPT33L K2A6C4NPT33L Part Part Number Part Number Compressor 0665-411/0665-414 0665-419... -
Page 11: 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 12: Trouble Shooting
All Kooltronic compressors are approved by UL and CSA, and require no maintenance. They are hermetically sealed and charged at the factory, and equipped with automatic-reset thermal overload protectors. If the compressor fails, it is strongly recommended that the air conditioner be returned to Kooltronic for service. D. Refrigerant Loss Kooltronic Air Conditioners are subjected to a series of tests to detect refrigerant leaks, during and after manufacture. - Page 13 Problem Cause Solution Unit not cooling. (Temperature Failed Thermostat Check Thermostat and Relay wire connections. difference between return and or Relay. Replace Thermostat or Relay. supply air is less than 10°F). Evaporator Blower is running. Low Line Voltage. Check Nameplate Voltage against supply Voltage. Compressor and Condenser Blower do not run.
- Page 14 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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