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Kooltronic DP Series Operator's Manual

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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
900-039-50 (1/19)
(CDR: 20131)
Keep This Manual
With Air Conditioner
AIR CONDITIONER
DP SERIES
KA4C3DP21L
with Serial Numbers up to and including K18A3565
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 DP Series

  • Page 1 DP SERIES KA4C3DP21L with Serial Numbers up to and including K18A3565 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.

  • 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

    V. Principles of Operation 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. These CONDENSER Air Conditioners utilize a "Closed-Loop Cooling System"...

  • Page 6: Specific Model Data

    VII. Specific Model Data Mounting The Kooltronic Special Purpose Air Conditioners KA4C3DP21L have been engineered to be installed easily. The air conditioner is designed for two mounting options - external and internal. Prior to mounting, refer to page 8 for the general arrangement drawings showing dimensions and locations of mounting holes and cutouts.
  • Page 7 9. Insert screws through the holes in the mounting plate bottom flange and the enclosure panel. Install sealing washers and nuts on each screw from inside the enclosure and tighten (see External Mounting Drawing). EXTERNAL MOUNTING DRAWING MOUNTING PLATE DETAIL ENCLOSURE WALL MOUNTING PLATE WITH STUDS...

  • Page 8: Drawings And Dimensions

    Drawings and Dimensions MOUNTING PLANS 1.39 [35.3] 1.21 [30.6] (6) .312 [7.9] 5.40 5.40 (6) .312 [7.9] DIA. HOLES [137.2] 5.59 5.59 [137.2] DIA. HOLES [141.9] [141.9] 1.72 9.70 [43.7] [246.4] 6.54 21.27 [166.1] [540.2] 17.54 12.55 20.09 [445.5] [318.9] [510.4] 7.60 [193.0]...
  • Page 9 Drawings and Dimensions...

  • 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.) KA4C3DP21L 3000 2100 131/-20 115/100 60/50 Note: Maximum ambient temperature for 100V/50 Hz is 125 °F. Major Component Replacements KA4C3DP21L Part Part Number Compressor 0665-123 Compressor and Condenser Impeller Dual Capacitor...

  • 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

    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 13 Problem Cause Solution Unit not cooling. (Temperature Low Line Voltage. Check Nameplate Voltage against supply Voltage. difference between return and supply air is less than 10°F). Failed Compressor. Check Compressor wire connections. Evaporator Fan and Condenser Check Compressor overload. Blower are running. Compressor Check Compressor Capacitor.
  • 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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