4 to 40 Ton Portable Chillers

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NQ Series portable chillers use components such as R410A refrigerant, scroll compressors, micro-channel condensers, low noise fans, stainless steel brazed plate evaporators, and sophisticated controls provide the best available technologies for the ultimate performance and reliability in a chiller package.

Optional Variable Speed Compressors Available on 10 and 20 ton NQ Series

Now available - the Accuchiller NQV Series with variable speed scroll compressors. Available in 10 and 20 ton sizes for even more efficiency.

Accuchiller NQ Series Features

  • Air cooled 4 to 30 tons
    Water cooled 5 to 40 tons
    Remote condenser to 40 tons
  • Microprocessor controller provides diagnostics and precise temperature control
  • Environmentally friendly and energy efficient R410A refrigerant
  • Compact micro-channel all aluminum air-cooled condensers for increased durability
  • High efficiency, low noise fans (air-cooled units only) with integral condensers for reduced operating noise and increased efficiency feature totally enclosed air over (TEAO) motors for long life.
  • Stainless steel brazed plate evaporators with flow and temperature safeties to guard against freezing
  • Reliable and energy efficient scroll compressors
  • Compressor staging for reduced energy use on 20 ton and larger units
  • Compressor, pump, and condenser fan starters (air-cooled units only) mounted in control panel and wired to motors
  • Low voltage 24 VDC control keeps the control circuit signals free from AC interference
  • C-UL 508A industrial control panel with single point electrical connection
  • Rotary non-fused disconnect for quick and safe main power disconnect
  • Remote 4-20 mA set point temperature input capability for increased application flexibility
  • Internal insulated polyethylene reservoir
  • Removable inlet air filter (air-cooled units only) is easily cleaned and protects condenser coils to assure maximum efficiency
  • Solid state safety switches with electronic sensing devices
  • Hot gas bypass provides accurate capacity control and extends compressor life
  • Water regulating valve (water cooled units only) keeps refrigerant pressure constant

High efficiency, low noise fans (air-cooled units only) with integral condensers for reduced operating noise and increased efficiency feature totally enclosed air over (TEAO) motors for long life.

Specification Tables

AIR COOLED PORTABLE CHILLERSLearn More

ModelNQA04NQA05NQA08NQA10NQA13NQA15NQA20NQA25NQA30
Cooling Capacity(tons)¹ 4.4 5.1 7.8 11.0 12.5 14.9 20.9 25.6 30.6
Set Point Range (°F) 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80
Refrigerant R410A R410A R410A R410A R410A R410A R410A R410A R410A
Condenser Air Flow (cfm) 4,000 4,000 8,000 8,000 8,000 10,450 18,000 20,000 24,000
Sound Pressure @ 1 meter (dBA)² 73.8 74.0 75.8 76.2 76.2 82.2 84.4 84.4 85.9
Minimum Unloaded Capacity (tons) 1.0 1.2 1.8 2.7 3.1 3.6 4.8 6.0 7.2
Pump Motor Size (hp) 1.5 1.5 1.5 1.5 1.5 3 3 5 5
Pump Flow (gpm) 11 12 19 27 30 36 48 60 72
Net Available Pump Pressure (psi)³ 35 36 35 30 28 48 39 58 55
Unit MCA @ 460/3/60 (amps)⁴ 15.6 18.1 26.1 30.9 36.5 44.3 55.5 70.0 83.1
Length (inches) 48 48 75 75 75 87 87 105 105
Width (inches) 35 35 35 35 35 41 41 41 41
Height w/ Standard Fans (inches) 61 61 61 61 61 94 94 94 94
Reservoir Holding Capacity (gal) 11 11 22 22 22 50 50 67 67
Process Connections (inches) 1.5 1.5 1.5 1.5 1.5 2.0 2.0 2.0 2.0
Shipping Weight (lbs) 720 720 1,195 1,195 1,215 3,200 3,300 3,800 4,150

¹Cooling tons based on 12,000 BTU/Hr/ton with 50°F leaving coolant and 95°F ambient air. 
² Sound power shown is for standard high-efficiency constant-speed AC motor fans. A high-pressure variable-speed EC motor fan option is available for NQA08 and larger units which changes the sound pressure at 1 meter (dBA) to: 75 for NQA08-10, 82 for NQA15, 84 for NQA20, 85 for NQA25, and 82 for NQA30. 
³ Net available pressure at outlet of chiller is pump discharge pressure less internal coolant circuit pressure loss. 
⁴MCA is minimum circuit amps(for wire sizing), complies with NEC, Section 430-24. 
⁵Sound Pressure at 3 meters.

WATER COOLED PORTABLE CHILLERSLearn More

ModelNQW05NQW08NQW10NQW15NQW20NQW25NQW30NQW35NQW40
Cooling Capacity(tons)¹ 5.5 8.1 12.0 16.5 22.6 28.1 33.3 38.9 43.4
Set Point Range (°F) 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80
Refrigerant R410A R410A R410A R410A R410A R410A R410A R410A R410A
Condenser Water Flow (gpm) 17 24 36 48 65 82 96 111 124
Sound Pressure @ 1 meter (dBA)² 69.8 70.3 71.3 73.3 73.7 73.7 74.7 76.6 78.1
Minimum Unloaded Capacity (tons) 1.3 1.9 2.9 3.9 5.2 6.6 7.8 8.9 9.9
Pump Motor Size (hp) 1.50 1.50 1.50 3 3 5 5 5 5
Pump Flow (gpm) 13 20 29 39 54 67 79 92 102
Net Available Pump Pressure (psi)³ 35 34 28 45 32 54 51 48 44
Unit MCA @ 460/3/60 (amps)⁴ 16.4 22.6 27.4 39.7 46.3 60.8 69.3 73.7 77.2
Length (inches) 48 75 75 75 87 87 105 105 105
Width (inches) 35 35 35 35 41 41 41 41 41
Height(inches) 54 54 54 54 47 47 47 47 47
Reservoir Holding Capacity (gal) 11 22 22 22 50 50 67 67 67
Process Connections (inches) 1.5 1.5 1.5 1.5 2.0 2.0 2.0 2.5 2.5
Shipping Weight (lbs) 720 1,195 1,195 1,315 1,900 2,100 2,250 3,400 3,900

¹Cooling tons based on 12,000 BTU/Hr/ton with 50°F leaving coolant and 95°F ambient air. 
² Sound power shown is for standard high-efficiency constant-speed AC motor fans. A high-pressure variable-speed EC motor fan option is available for NQA08 and larger units which changes the sound pressure at 1 meter (dBA) to: 75 for NQA08-10, 82 for NQA15, 84 for NQA20, 85 for NQA25, and 82 for NQA30. 
³ Net available pressure at outlet of chiller is pump discharge pressure less internal coolant circuit pressure loss. 
⁴MCA is minimum circuit amps(for wire sizing), complies with NEC, Section 430-24. 
⁵Sound Pressure at 3 meters.

AIR COOLED CONDENSER CHILLERSLearn More

ModelNQR05NQR08NQR10NQR15NQR20NQR25NQR30NQR35NQR40
Cooling Capacity(tons)¹ 5.3 7.6 11.0 15.3 20.8 25.8 30.7 35.5 39.9
Set Point Range (°F) 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80 20 to 80
Refrigerant R410A R410A R410A R410A R410A R410A R410A R410A R410A
Sound Pressure @ 1 meter (dBA)² 69.8 70.3 71.3 73.3 73.7 73.7 74.7 76.6 78.1
Minimum Unloaded Capacity (tons) 1.2 1.8 2.7 3.6 4.8 6.0 7.2 8.4 9.6
Pump Motor Size (hp) 1.5 1.5 1.5 3 3 5 5 5 5
Pump Flow (gpm) 13 18 27 36 48 61 73 83 92
Net Available Pump Pressure (psi)³ 35 36 30 48 39 57 54 53 50
Unit MCA @ 460/3/60 (amps)⁴ 16.4 22.6 27.4 39.7 46.3 60.8 69.3 73.7 77.2
Length (inches) 48 75 75 75 87 87 105 105 105
Width (inches) 35 35 35 35 41 41 41 41 41
Height(inches) 54 54 54 54 47 47 47 47 47
Reservoir Holding Capacity (gal) 11 22 22 22 50 50 67 67 67
Process Connections (inches) 1.5 1.5 1.5 1.5 2.0 2.0 2.0 2.5 2.5
Refrigerant Liquid Line (inches) .625 .625 .875 .875 .875 1.125 1.125 1.375 1.375
Refrigerant Discharge Line (inches) .625 .625 .875 .875 .875 1.125 1.125 1.375 1.375
Shipping Weight (lbs) 720 1,195 1,195 1,315 1,900 2,100 2,250 3,400 3,900

¹Cooling tons based on 12,000 BTU/Hr/ton with 50°F leaving coolant and 95°F ambient air. 
² Sound power shown is for standard high-efficiency constant-speed AC motor fans. A high-pressure variable-speed EC motor fan option is available for NQA08 and larger units which changes the sound pressure at 1 meter (dBA) to: 75 for NQA08-10, 82 for NQA15, 84 for NQA20, 85 for NQA25, and 82 for NQA30. 
³ Net available pressure at outlet of chiller is pump discharge pressure less internal coolant circuit pressure loss. 
⁴MCA is minimum circuit amps(for wire sizing), complies with NEC, Section 430-24. 
⁵Sound Pressure at 3 meters.

REMOTE AIR COOLED CONDENSERSLearn More

Condensor ModelChiller Used WithDimensions (in)Shipping Weight (lbs)⁶Total Air Flow (cfm)Sound Pressure (dBA)⁵MCA @
460/3/60 (amps)⁴
Refrigerant 
Connections (in)
LWHInletOutlet
KCM009 NQR05 54 46 48 245 6,870 60 1.4 .875 1.125
KCM011 NQR08 54 46 48 265 6,620 60 1.4 .875 1.125
KCM014 NQR10 94 46 48 415 14,400 62 2.6 1.375 1.125
KCL023 NQR15 126 46 54 670 24,000 72 7.0 2.125 1.375
KCL030 NQR20 126 46 54 720 22,600 72 7.0 2.125 1.625
KCL037 NQR15 126 46 54 800 20,600 72 7.0 2.125 1.625
KCL045 NQR30 181 46 54 1,075 33,900 73 10.1 2.625 1.625
KCL054 NQR35 181 46 54 1,175 32,000 73 10.1 2.625 2.125
KCL056 NQR40 181 46 54 1,200 30,900 73 10.1 2.625 2.125

¹Cooling tons based on 12,000 BTU/Hr/ton with 50°F leaving coolant and 95°F ambient air. 
² Sound power shown is for standard high-efficiency constant-speed AC motor fans. A high-pressure variable-speed EC motor fan option is available for NQA08 and larger units which changes the sound pressure at 1 meter (dBA) to: 75 for NQA08-10, 82 for NQA15, 84 for NQA20, 85 for NQA25, and 82 for NQA30. 
³ Net available pressure at outlet of chiller is pump discharge pressure less internal coolant circuit pressure loss. 
⁴MCA is minimum circuit amps(for wire sizing), complies with NEC, Section 430-24. 
⁵Sound Pressure at 3 meters. 
⁶Operating weight varies based on system charge and operating systems.

NQ Series Warranty

Accuchiller NQ Series Portable Industrial Chillers come with a one year labor and 18 month parts warranty. The microprocessor controller has a 5 year warranty with a lifetime exchange price of $175.

Typical NQ Series air-cooled portable chiller with tools-free removable doors for easy access to all components. Features a lightweight aluminum condenser and nonferrous construction.

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Microprocessor
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Accuchiller portable chillers come standard with a microprocessor based control system designed exclusively for Thermal Care .

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