RTK5 Rooftop Air Conditioner Unit

RTK5 Rooftop Air Conditioner Unit

The RTK5 Rooftop Air Conditioner is designed for all types of mobile equipment. With tough external and internal construction, slimline design and providing up to 18,000 Btu cooling capacity, the RTK5 is the solution and latest technology in DC rooftop air conditioning systems!

The RTK5 Rooftop Air Conditioner has one of the lowest profiles at 6.4 inches. This low profile reduces drag while driving and also provides good clearance required for small and large machinery.

The inside plenum incorporates easily removable return air filters allowing to facilitate quick servicing. The unit is low maintenance with self cleaning condenser coils, making it ideal for heavy machinery applications as well as truck, earthmoving, mining Equipment, motor homes, small people movers and more.

With its high cooling capacity of 18,000 btus and slim design it makes the perfect choice in rooftop systems for mobile vehicles.


RTK5 Rooftop Air Conditioner Unit Features & Specifications

  • 18,000 BTUs of cooling power
  • 12 & 24 volts
  • strong steel construction
  • copper evaporator & condenser coils
  • high capacity fans
  • low profile design
  • easy installation!
  • low maintenance
  • ideal for trucks, machines & motorhomes

The unit main frame is constructed from 2mm steel and copper Tube & fin evaporator and condenser coils.

The RTK5 Rooftop Air Conditioner has a strong impact cover designed to with stand all road and off road conditions. With its compact design it allows the unit to be fitted to the most difficult installations. The unit only requires two small cut-outs to avoid risking roof damage. The unit also has a high & low pressure cut-out and twin thermostats to prevent ice ups after a long duration. The inside plenum is also slimline providing good headroom for the operator in small applications.

  • Evaporator airflow: 380cfm (650 m3/h)
  • Condenser airflow: 1060cfm (1800 m3/h)
  • Cooling capacity: 18000BTU (5.25KW)
  • Weight: 62lbs (28kg)

Dimensions

  • Width: 754mm (29.69")
  • Height: 162mm (6.38")
  • Length: 760mm (29.92")

Either an engine compressor or the RDK4 drive unit can be used with the RTK5 rooftop unit.

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SPK4 Split Unit Air Conditioner

SPK4 Split Unit Air Conditioner

The SPK4 Split Unit Air Conditioner is perfect for over the road trucks. High Performance brushless fans keep the current draw to a minimum. The unit’s main frame is constructed of 2mm steel and both the evaporator,condenser coils and fins are made of copper. With its compact design it allows the unit to be fitted to the most difficult installations. Contact QDS today for options and pricing!


  • Fully Self contained 12/24V Battery operated air conditioner
  • Does not require belts or hoses from the motor
  • 10,000 BTU Cooling capacity
  • Adjustable temperature control
  • Low Servicing and Quiet operation
  • Low battery sensor cut out
  • Easy installation and uses 134a
  • High Performance, low current fans
  • Strong steel construction built for US roads

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RDK4 Air Conditioner Compressor Drive Unit

RDK4 Air Conditioner Compressor Drive Unit

The RDK4 is designed and manufactured to replace an engine or hydraulic driven A/C compressor. This self contained, full function air-conditioning drive unit available in 12, 24 or 48 volt configurations.

The unit has been configured to provide the required capacity for up to a 4kw air conditioning system. This can be in the form of an all in one evaporator/condenser system or a split evaporator/condenser system.

Applications can range from truck sleeper cabs, mobile cranes, mining & earthmoving plant, motorhomes & caravans.

Every component has been designed and manufactured for this application. No major components are off the shelf and they are entirely manufactured for the RDK4 drive unit system.


RDK4 Air Conditioner Compressor Drive Unit Features & Specifications

  • 11,900 Btu’s of cooling power!
  • 12, 24 & 48 volts
  • Strong steel construction
  • Powder coated & all stainless bolts
  • Electric motor over heat protection
  • Compressor over heat protection
  • Easy Installation
  • Direct drive shaft configuration
  • No servicing (minimal maintenance)
  • Ideal for trucks, machines & motor homes

The unit comprises a high efficiency DC electric motor connected via a direct drive coupling to an optimized rotary vane compressor.

The RDK4 has an IP66 rated die cast aluminum electrical enclosure mounted on one end of the unit. The unit also has a thermal overload sensor for the DC motor and a compressor superheat switch. Activation of either will automatically halt the unit. When either or both of the overheat switches return to their operating range, they will automatically reset and do not require reset by the user. The RDK4 requires minimal basic maintenance and enclosure is constructed from 1.9mm zinc plated steel, uses all stainless bolts and is powder coated.

  • Power Consumption @ 12Volt: No load 15A and a max under load 50A
  • Power Consumption @ 24Volt: No load less than 10A and under load 30A
  • Weight: 32 kg (70.5 lbs)
  • Dimensions: 245mm(w) x 264mm (h) x 597mm (l)
    (9.65" (w) x 10.39" x 23.5" (l))

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RCK4 Condenser Coil

RCK4 Air Conditioner Condenser

The RCK4 is designed to work with most systems producing 4kw of cooling power. Uses all stainless steel fasteners, is powder coated. Coil is heavy-duty copper tube & fin.

All (3) fans are brushless 300 cfm each and is a great match up with the RDK4 drive unit for low voltage applications.

(Available in 12, 24 & 48 Volt)

The RCK4 is also available in a smaller configuration of 10000 Btus.

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ECK4 DC Powered Air Conditioners for Electrical and Telecommunication Shelters

ECK4 DC Powered Air Conditioners for Electrical and Telecommunication Shelters

The ECK4 is used to cool electronic and telecommunication equipment shelters throughout the world!


  • Complete self-contained cooling system
  • External vertical flange mounting
  • 1.5mm zinc coated heavy duty construction
  • RAL906 powder coating with textured finish
  • 304 stainless steel fasteners and structural rivets
  • Vermin proof enclosure
  • Direct drive DC motor and compressor system
  • High efficiency DC motor
  • Optimized rotary vane compressor
  • Low voltage cutout
  • ATS and AMI fuse protection of devices
  • Simple 3 cable electrical connection
  • 42Vdc to 54Vdc operational range
  • 6 DC brushless fans
  • Low and high evaporator fan speed selection
  • HBNR o’ring seal on all refrigerant connections
  • Copper tube & fin evaporator and condenser coils
  • Block style TX Valve
  • Removable and washable Dacron® filter element
  • Low noise
  • Environmentally safe R134a refrigerant
  • Technical support available

Specifications for DC Powered Telecommunication Air Conditioning Unit

  • Dimension: 1415mm(H) x 750mm(W) x 220mm(D)
    (55.7"(H) x 29.52"(W) x 8.66"(D))
  • Weight: 115kg (253lbs)
  • Cooling Capacity: 13,340BTU/hr @ 35°C Ambient
  • COP: Approx 4.5

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About QDS Inc.

QDS Inc. is a global distributor of DC powered cooling solutions. We offer a product line supporting numerous industries and applications.

Our most popular product lines include DC air conditioning units for:

  • Fleet Trucking - Cab Air Conditioning
  • Off Road Equipment - Cab Air Conditioning
  • Shelter Applications including Telecommunication Shelters

Call or click today for information on our complete product line!
Call Now at 703-631-2997 and ask about our web specials!
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