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Guardian DP24 12, 3R & 4
Air-Cooled Panel-Mounted Air Conditioners

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Product
Information
TECHNICAL DATA

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Quote
ModelNEMA
Rating
BTU/H
Capacity
95/95
Rating
BTU/H
Ambient Temp.VoltsHzRunning
Amps
Starting
Amps
(LRA)
Airflow
@60 Hz.
Evap./Cond.
Fuse
Size
(Amps)
dBA
@ 5 ft.
Approx.
Weight
Spare and
Replacement
Parts
°F°C
Max./Min.Max./Min.lbskg
Request RFQ linkK2NA4C3DP24L430002500125/-2052/-28208/230603.04171/1731569.26128Order Parts
Request RFQ linkK2NA4C3DP24L430002500120/-2049/-28200503.04171/1731569.26128Order Parts
Request RFQ linkK3NA4C3DP24L430002500125/-2052/-28480/1601.44171/1731569.26128Order Parts
Rating shown is for operation at maximum ambient temperature.

Click on image for larger view
Guardian DP24 Air Conditioner photo
NEMA
TYPE 12, 3R & 4
MAINTAINED

TECHNICAL DATA

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Request
Quote:
Request RFQ linkRequest RFQ linkRequest RFQ link
Model
Number:
K2NA4C3DP24LK2NA4C3DP24LK3NA4C3DP24L
NEMA
Rating:
444
BTU/H
Capacity:
300030003000
95/95 Rating
BTU/H:
250025002500
Ambient
Temp °.F
Max./Min.:
125/-20120/-20125/-20
Ambient
Temp °.C
Max./Min.:
52/-2849/-2852/-28
Volts:208/230200480/1
Hz:605060
Running
Amps:
3.03.01.4
Starting
Amps (LRA):
444
Airflow @60 Hz.
Evap./Cond.:
171/173171/173171/173
Fuse Size
(Amps):
151515
dBA
@ 5 ft.:
69.269.269.2
Approx.
Weight lbs.:
616161
Approx.
Weight kg.:
282828
Spare and Replacement PartsOrder PartsOrder PartsOrder Parts
Rating shown is for operation at maximum ambient temperature.

This model is also available with a NEMA 4X rating as the Guardian-X DP24LV which includes 
Internal Corrosion Protection and Stainless Steel Shell as standard features.
STANDARD FEATURES

  • 208/230/200 & 480 Volt Models
  • Baked Powder Finish
  • Built-in Condensate Evaporator
    • Built-in Condensate Evaporator eliminates need for draining condensate under normal operating conditions. May not be adequate in extremely high humidity with open or leaky enclosure. Overflow condensate drain fitting and hose are included.
  • CFC-Free Refrigerant
    • CFC-free R134a Refrigerant is used
  • Click for more info.Closed-Loop Cooling
    • The enclosure interior airflow system is isolated from the ambient airflow or waterflow system. No ambient air can invade the cool, dehumidified sensitive component compartment.
  • Compressor Short Cycle Protector
    • Protects the compressor from possible damage due to harmful short cycling, (frequent starting) where temperature controls enable the compressor to restart frequently or after a power interruption. These conditions could be due to low or fluctuating heat loads within the electrical enclosure or a power failure. The Compressor Short Cycle Protector will prevent the compressor from starting when it has been shut off for less than several minutes or the power was interrupted. By limiting the number of compressor starts per hour, the life of the compressor is prolonged. It is recommended where installations are subject to solar gain and or changes in the enclosure internal load due to the degree of usage of the equipment being cooled. It is also recommended where higher capacity units are specified in anticipation of the future addition of heat producing equipment being added to the enclosure.
  • Condenser Blower Controller
  • Epoxy-Coated Condenser and Evaporator Coils
    • Condenser and Evaporator Coils are Epoxy-Coated. This coating will withstand 1000 hours of salt spray per the ASTM B 117 test method. Also see Stainless Steel Cabinet or Integrity NEMA 4/4X Air Conditioners. NOTE: Severe operational environments such as waste water treatment and salt spray are likely to cause corrosion failure over a period of time regardless of coating. Warranty: Corrosive conditions may affect the warranty coverage. Consult factory for warranty limitations in corrosive environments. NOTE: For additional corrosion protection options, contact factory.
  • Filter
    • All Kooltronic filters consist of a multi-layer grid of sturdy corrugated aluminum, securely held in a one-piece aluminum frame. Filters are required wherever air is drawn into an electronics enclosure or related cooling equipment to keep internal parts as clean as possible. A non-drying adhesive coating traps a high percentage of particulate matter. These filters are reusable, they may be washed and recoated with the appropriate filter recoating adhesive. Replacement filters are available and can be ordered online at kooltronic.com/spareparts.
  • Heavy-Duty Steel Shell
  • NEMA 12, 3R & 4 Ratings Maintained (UL50)
    • All units Maintain NEMA 12 & 3R Ratings. All units are fully gasketed for tight, leakproof installation, in compliance with the NEMA Type 4 Enclosure Ratings.
  • Programmable Temperature Alarm
    • All models feature a programmable temperature alarm to alert if early action is required.
  • Programmable Thermostat
    • All models feature a programmable thermostat, allowing more accurate and versatile performance features.
  • Six-Foot [1.8m] (minimum) 3-Wire Power Cord
  • UL/CUL Listed

ACCESSORIES AND OPTIONS

  • Adapter
    • A plate or plenum needed to replace older Kooltronic or competitor units.
  • Enclosure Heater
    • Eliminates damaging condensation, increasing reliability of electrical enclosure components.
  • Filter Recoating Adhesive
    • This compound is a superior product for recoating filters after washing. The adhesives penetrate dirt layers to keep the filter surface tacky for longer effective performance between washings.
  • Internal Corrosion Protection
    • This protection increases reliability in hostile environments. This protection for the refrigeration system consists of an air cured coating applied to the brazed joints on the condenser side, providing a degree of protection from corrosive environments. This coating will withstand 1000 hours of salt spray per the ASTM B 117 test method. Also see Stainless Steel Cabinet or GuardianX Air Conditioners. NOTE: Severe operational environments such as waste water treatment and salt spray are likely to cause corrosion failure over a period of time regardless of coating. Warranty: Corrosive conditions may affect the warranty coverage. Consult factory for warranty limitations in corrosive environments. NOTE: For additional corrosion protection options, contact factory.
  • Remote Monitoring
    • An optional feature for models with Programmable Thermostat, Remote Monitoring provides temperature data for warning of early action required.,Accomplished through a Hot Key connection from the Programmable Thermostat to a monitoring system (not supplied) that is ModBus-RTU compatible (i.e. XWEB500/3000/300) via an external 2-position terminal block.
  • Remote Thermostat Relay
    • Used only with a user-installed remote thermostat or the Kooltronic KLLC100 Lead Lag Controller, this 24VAC relay can be used for the sequential operation of two units or with a single unit. An external terminal strip is provided for field interconnection. NOTE: User-installed thermostat must have a set point of 75°F with a differential of 11°F. NOTE: A factory installed thermostat is not provided with this option.
  • Replacement Filters
    • All KOOLTRONIC filters consist of a multi-layer grid of sturdy corrugated aluminum, securely held in a one-piece aluminum frame. Filters are required wherever air is drawn into an electronics enclosure or related cooling equipment to keep internal parts as clean as possible.,A non-drying adhesive coating traps a high percentage of particulate matter. These filters are reuseable, they may be washed and recoated with the appropriate filter recoating adhesive. Replacements are available for those which become damaged or otherwise non-serviceable.
  • Special materials or finishes
  • Special motors, line cords or connectors
  • Stainless Steel Shell

For Guardian/GuardianX 230 Volt and 480 Volt DP24L models the filter part number is 8388F.

AIRFLOW
Click on image for larger view

Guardian DP24 Air Conditioner isometric illustration

PERFORMANCE

Guardian DP24 Air Conditioner performance chart

Guardian DP24 Air Conditioner performance chart #2

GENERAL ARRANGEMENT
Click on image for larger view

Guardian DP24 Air Conditioner general arrangement drawing
Dimensions, inches [mm], are for reference only and subject to change.
GENERAL ARRANGEMENT
Click on image for larger view

Guardian DP24 Air Conditioner general arrangement drawing
Dimensions, inches [mm], are for reference only and subject to change.

Many popular units are available as 3D solid models for customer system integration. Contact Kooltronic for details.

SIMILAR MODELS

ModelGuideline
Dimensions
(H x W x D)*
BTU/H Rating
Guardian DP38L 48038.99 x 17.29 x 11.225000
Guardian DP5050.05 x 20.14 x 12.0513100-14000
Guardian DP52L 480V52.02 x 17.38 x 9.857000-9000
Guardian DP5352.60 x 22.14 x 13.0214400-18000
Guardian DP6060.20 x 24.14 x 13.0226000
*See model specifics for drawings, dimensions, mounting or cutout plans.

DOCUMENTS

  • 2-D Drawing of the Mounting Plan
    K3NA4C3DP24L and/or LV Drawing of the Mounting Plan [30Kb]
  • 3-D Solid Model
    K3NA4C3DP24L and/or LV Solid Model [3079Kb]
  • Brochure
    Guardian/GuardianX 480 Volt Series Brochure [447Kb]
    Guardian/GuardianX Series Brochure [447Kb]
  • Data Sheet
    Guardian/GuardianX Series DP24L-LV Product Data Sheet [447Kb]
    Guardian/GuardianX Series 480V DP24 Data Sheet [463Kb]
  • GA Drawing
    Guardian/GuardianX Series 480V DP24 General Arrangement Drawing [77Kb]
    Guardian/GuardianX Series 480V DP24 General Arrangement Drawing W/ Programmable T-stat [81Kb]
    Guardian/GuardianX Series DP24-230V General Arrangement Drawing [80Kb]
  • Installation Instructions
    Guardian/GuardianX Series 230V DP24 Installation Instructions (2 pages) [140Kb]
    Guardian/GuardianX Series 480V DP24 Installation Instructions (2 pages) [183Kb]
  • Literature
    Air Conditioner Quick-Sheet [105Kb]
    Condensate Evaporator Kits [241Kb]
    Condensation and Electronics [3983Kb]
    Electronic Enclosure Cooling With Special Purpose Air Conditioners [254Kb]
    Hazardous Location Series White Paper [234Kb]
    Increasing the Lifespan and Reliability of Electrical Components [212Kb]
    Slimkool Series Flyer [584Kb]
    Kooltronic Custom Capabilities Flyer [2194Kb]
    Kooltronic Custom Cooling Medical Flyer [211Kb]
    Kooltronic Design Guide/Catalog (220 pages) [229400Kb]
    Kooltronic Refrigeration System Manufacturing [55Kb]
    Kooltronic Standard Warranty [55Kb]
    Kooltronic Unit Longevity Press Release [167Kb]
    NEMA Enclosure Ratings [91Kb]
    Short-Form Catalog (16 pages) [897Kb]
    Airflow Switch Data Sheet [159Kb]
    Laboratory Environmental Testing Services [157Kb]
    Powder Paint Application Facilities Flyer [165Kb]
  • Operator's Manual
    KLLC100 Lead-Lag Controller [38Kb]
    KLLC480 Lead-Lag Controller [79Kb]
    Guardian/GuardianX Series 480V DP24 Operator's Manual [423Kb]
    Guardian/GuardianX Series DP24-230V Operator's Manual [662Kb]
  • Wiring Diagram
    Guardian/GuardianX Series 480V K3NA4C3DP24L 1-Phase Wiring Diagram (Ladder) [50Kb]
    Guardian/GuardianX Series 480V K3NA4C3DP24L 1-Phase Wiring Diagram (Ladder) [51Kb]
    Guardian/GuardianX Series 480V K3NA4C3DP24L 1-Phase Wiring Diagram (Point-to-Point) [75Kb]
    Guardian/GuardianX Series 480V K3NA4C3DP24L 1-Phase Wiring Diagram (Point-to-Point) [77Kb]
    Guardian/GuardianX Series 480V K3NA4C3DP24L 1-Phase Wiring Diagram (Point-to-Point) [76Kb]
    Guardian/GuardianX Series 480V K3NA4C3DP24L 1-Phase Wiring Diagram (Point-to-Point) [76Kb]
    Guardian/GuardianX Series DP24 230 Volt Wiring Diagram [73Kb]
    Guardian/GuardianX Series DP24 230 Volt Wiring Diagram [74Kb]
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Sunday, March 26, 2023  
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Kooltronic, Inc.
30 Pennington-Hopewell Road
Pennington, NJ 08534 USA
609-466-3400
800-321-KOOL
609-466-1114 (fax)
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