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Horizontal Super-Mini Series Switchable
Air-Cooled Top-Mounted Air Conditioners

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Product
Information

These products are discontinued and no longer in production.

We recommend the Top Mount Series as a possible alternative.

TECHNICAL DATA

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Request
Quote
ModelNEMA
Rating
UL/CUL
Listed or
Recognized
BTU/H
Capacity
95/95
Rating
BTU/H
Ambient Temp.VoltsHzRunning
Amps
Approx.
Weight
°F°C
Max./Min.Max./Min.lbskg
Request RFQ linkKA4C2.5HSR56Recognized25002200125/5052/1011550/606.75827
Request RFQ linkK2A4C2.5HSR5Recognized25002200125/5052/10230503.55827
Rating shown is for operation at maximum ambient temperature.

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Horiz Super-Mini 50/60Hz Air Conditioner photo
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TECHNICAL DATA

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Request
Quote:
Request RFQ linkRequest RFQ link
Model
Number:
KA4C2.5HSR56K2A4C2.5HSR5
NEMA
Rating:
UL/CUL
Listed or
Recognized:
RecognizedRecognized
BTU/H
Capacity:
25002500
95/95 Rating
BTU/H:
22002200
Ambient
Temp °.F
Max./Min.:
125/50125/50
Ambient
Temp °.C
Max./Min.:
52/1052/10
Volts:115230
Hz:50/6050
Running
Amps:
6.73.5
Approx.
Weight lbs.:
5858
Approx.
Weight kg.:
2727
Rating shown is for operation at maximum ambient temperature.

STANDARD FEATURES

  • 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
  • EMI/RFI Suppressor
    • EMI/RFI Suppressor minimizes transient line spikes during on/off cycling.
  • 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 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.
  • Low Temperature Control Thermostat
    • Electronic Thermostatic Low Temperature Control prevents over-cooling and provides energy-efficient operation.
  • UL/CUL Recognized

ACCESSORIES AND OPTIONS

  • Aluminum Shell
    • Where light weight and/or compatibility with appearance of aluminum enclosures are required. Unpainted Type 5052 is standard. Other types and ultraviolet-resistant baked powder finish are available.
  • Cooling Effect Detector
    • A thermostat is mounted inside the cabinet and attached to a sensor in the warm air return. When the air temperature increases to the set point, a signal is sent to a terminal block. User-installed wiring from the terminal block to local and/or remote warning devices (light, bell, siren, etc.) can be for normally open or closed operation.
  • 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.
  • Click for more info.Lead-Lag Controller
  • Lifting Eyes
    • Heavy-gauge steel lifting eyes, attached to the side panels, assist in positioning units.
  • Low Airflow Detector
    • Similar to the Airflow Switch shown in the Blower Accessories Section, the switch is installed in a suitable location in the air conditioner to detect loss of airflow, and sends a signal to a terminal block, through which user-installed wiring and warning devices are activated.
  • Low Ambient Kit
    • Maintains sufficient operating pressures when ambient temperatures drop below 50°F. Includes a compressor heater and a pressure device that senses the reduced discharge pressure and modulates the condenser blower. Effective to a minimum ambient temperature of 0°F.
  • 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.
  • 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.
  • Side Mounting Rails
  • Special controls or indicators
  • Special motors~ line cords or connectors
  • Special paint finishes
  • Stainless Steel Shell

* UL/CUL Listed models are available at added cost.

 

Enclosure Lights

 

Many popular units are available as 3D solid models for customer system integration. Contact Kooltronic for details.
AIRFLOW
Click on image for larger view

Horiz Super-Mini 50/60Hz Air Conditioner isometric illustration

PERFORMANCE

Horiz Super-Mini 50/60Hz Air Conditioner performance chart

GENERAL ARRANGEMENT
Click on image for larger view

Horiz Super-Mini 50/60Hz Air Conditioner general arrangement drawing
Dimensions, inches [mm], are for reference only and subject to change.
GENERAL ARRANGEMENT
Click on image for larger view

Horiz Super-Mini 50/60Hz Air Conditioner general arrangement drawing
Dimensions, inches [mm], are for reference only and subject to change.

SIMILAR MODELS

ModelGuideline
Dimensions
(H x W x D)*
BTU/H Rating
Top-Mount HT410.25 x 17.00 x 20.004000
*See model specifics for drawings, dimensions, mounting or cutout plans.

DOCUMENTS

  • Data Sheet
    KLLC100-480 Lead-Lag Controller Product Data Sheet [58Kb]
  • GA Drawing
    Horizontal Super-Mini General Arrangement Drawing (OLD) [79Kb]
    Horizontal Super-Mini General Arrangement Drawing W/Programmable T-stat [254Kb]
  • Installation Instructions
    K_A4C2.5HSR Installation Instructions (2 pages) (OLD) [131Kb]
    K_A4C2.5HSR Installation Instructions (2 pages) W/Programmable T-stat [137Kb]
  • 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]
    KLLC100 Lead-Lag Controller (1 page) [58Kb]
    Kooltronic Custom Capabilities Flyer [2194Kb]
    Kooltronic Design Guide/Catalog (215 pages) [24440Kb]
    Kooltronic Refrigeration System Manufacturing [55Kb]
    Kooltronic Standard Warranty [55Kb]
    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]
    Horizontal Super-Mini Operator's Manual (OLD) [242Kb]
    Horizontal Super-Mini Operator's Manual W/ Programmable T-stat [645Kb]
  • Wiring Diagram
    K2A4C2.5HSR Wiring Diagram (Point-to-Point) (W/DIXELL) (NEW) [56Kb]
    KA4C2.5HSM Wiring Diagram (Ladder) (W/DIXELL) (NEW) [45Kb]
    KA4C2.5HSM Wiring Diagram (Point-to-Point) (W/DIXELL) [55Kb]
    KA4C2.5HSM Wiring Diagram (Point-to-Point) (W/DIXELL) (NEW) [56Kb]
    KA4C2.5HSR Wiring Diagram (Point-to-Point) (W/DIXELL) (NEW) [58Kb]
    KAC1.0HS/56 Wiring Diagram [85Kb]
    KAC2.5HS Wiring Diagram [89Kb]
    KAC2.5HS-3 Wiring Diagram [76Kb]
    K_A4C_HS, KA4C_MMT, K_A4C_HTT, KA4C_NP17, KA4C_NM Wiring Diagram (Ladder)for NP17 units w/ s/n's up to A17A0030 & NP17 units w/ s/n's up to M16A4171 [69Kb]
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Monday, January 25, 2021  
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