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MyKooltronic
Hazardous Location Series HL28LV
Class 1 Division 1 and 2 Air Conditioners
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NEMA
NEMA 12, 3R & 4/4X
MAINTAINED
U.S. Patent No.
9,157,670 B2
Select Model Type
Electrical (Volts/Hz):
208/60
230/60
Model
NEMA
Rating
UL/CUL
Listed or
Recognized
BTU/H
Capacity
95/95
Rating
BTU/H
Ambient Temp.
Volts
Hz
Running
Amps
Approx.
Weight
°F
°C
Max./Min.
Max./Min.
lbs
kg
K2A4C3HL28LV
4/4X
Listed
3000
3158
141/-20
61/-28
208/230
60
5.1
90
41
3000
3158
141/-20
61/-28
208/230
50
4.8
90
41
Rating shown is for operation at maximum ambient temperature.
Pressurized Compartment Volume is 2.4 cu. ft., Air Leakage @ 0.25 i.w.g Pressure is 0.1 CFM
TECHNICAL DATA
Model
NEMA
Rating
BTU/H
Capacity
Volts/Hz
K2A4C3HL28LV
4/4X
3000
208/60V, 60Hz
UL/CUL Listed or Recognized: Listed
95/95 BTU Rating: 3158
Ambient Max./Min. °F: 141/-20
Ambient Max./Min. °C: 61/-29
Running Amps: 5.1
Approx. weight: 90 lbs. (41 kg)
K2A4C3HL28LV
4/4X
3000
208/60V, 50Hz
UL/CUL Listed or Recognized: Listed
95/95 BTU Rating: 3158
Ambient Max./Min. °F: 141/-20
Ambient Max./Min. °C: 61/-29
Running Amps: 4.8
Approx. weight: 90 lbs. (41 kg)
Rating shown is for operation at maximum ambient temperature.
Pressurized Compartment Volume is 2.4 cu. ft., Air Leakage @ 0.25 i.w.g Pressure is 0.1 CFM
Standard Features
Accessories & Options
Airflow Diagram
Performance
Arrangement
Similar Models
Documents
•
All models UL Listed and Recognized
All models UL Listed per 484, Special Purpose Air Conditioners. All models UL Recognized per NFPA 496: 2013, Purged and Pressurized Enclosures for Electrical Equipment. Meets NEC Class I Division 1, Groups A, B, C and D Hazardous Locations, when used with an approved Type X Purge System on the electrical enclosure. Meets NEC Class I Division 2, Groups A, B, C and D, Hazardous Locations when used with an approved Type Z Purge System on the electrical enclosures. Temperature Classification is T-4, 275°F/135°C.
•
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.
•
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.
•
Interior and Exterior Purge Connections
•
Maintains NEMA 12, 3R & 4/4X Ratings (UL50)
Maintains NEMA Type 12, 3R & 4/4X Enclosure Ratings.
•
Painted Condenser and Evaporator Coils
•
Pressure Compensation Terminal Block
Allows user to attach auxiliary pressure supply.
•
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.
•
Shock and Vibration Resistance
Hazardous Location Series models are designed to withstand shock and vibration in two different planes for a minimum of 4 hours per plane at 1G acceleration.
•
Stainless Steel Shell
For applications in corrosive or other hostile environments such as those requiring Internal Corrosion Resistant Coatings, especially where chemical/moisture combinations are present.
•
Zero ODP Refrigerant (R134a)
R134a, an HFC having zero ozone depleting potential.
•
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.
•
Remote Monitoring
An optional feature for models with a Programmable Thermostat, Remote Monitoring provides temperature data for warning of early action required. This is 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.
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Dimensions, inches [mm], are for reference only and subject to change.
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Dimensions, inches [mm], are for reference only and subject to change.
Dimensions, inches [mm], are for reference only and subject to change.
Similar Models for this product family are not currently available. Please contact Customer Service for more information.
Brochure
Hazardous Location Series Brochure [425Kb]
Data Sheet
Hazardous Location Series K_A4C3HL28LV Data Sheet [482Kb]
GA Drawing
Hazardous Location Series K_A4C3HL28LV General Arrangement Drawing [122Kb]
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 (Discontinued) [38Kb]
KLLC480 Lead-Lag Controller [79Kb]
Hazardous Location Series K_A4C3HL28LV Operator's Manual [881Kb]
Wiring Diagram
Hazardous Location Series HL28LV Wiring Diagram (Ladder) [47Kb]
Hazardous Location Series HL28LV Wiring Diagram (Point-to-Point) [72Kb]
Hazardous Location Series HL28LV Wiring Diagram (Point-to-Point) [78Kb]
Hazardous Location Series HL28LV Wiring Diagram (Point-to-Point) [68Kb]