4000-7000 BTU/H Outdoor Air Conditioner DTS Series

Type 3R, 4, 4X, Side Mounting


  • Designed for side mounting on any enclosure surface where high capacity system cooling is required.
  • Closed loop cooling ensures clean enclosure air is recirculated without ever mixing with contaminated ambient air.
  • Optimum air circulation with maximum clearance distance between warm inlet and cold outlet for reduced hot spot locations.


  • UL, cUL, CE
  • Complies with
    • IP56
    • NEMA 3R, 4, 4X


  • R134a refrigerant.
  • Thermostat control accessible from inside enclosure.
  • Expansion valve prevents evaporator freeze up while minimizing heavy inrush currents on large BTU/H units.
  • Built in condensate evaporator.
  • Continuous air circulation from high capacity fans.
  • EMI/RFI suppression meets CE.
  • Self-diagnostics on startup.
  • Fault indication via LED light.
  • Provision for door contact allowing power down when enclosure door is opened.
  • Gasket, mounting kit and template for enclosure cutout and drilling are included.
  • Condensate drain hose and clamp provided.
  • Nema 4/4x exterior 304 stainless steel.


Electrical Data DTS3181A115N4SS DTS3181A230N4SS DTS3181A460N4SS DTS3281A115N4SS DTS3281A230N4SS DTS3281A460N4SS
Rated Voltage 115 V 60 Hz 230 V 50/60 Hz 460 V 50/60 Hz 115 V 60 Hz 230 V 50/60 Hz 460 V 50/60 Hz
Range of Operation 103-127 V 198-252 V 380 - 506 V 103-127 V 198-252 V 380 - 506 V
Power Consumption 845 W 795 W 1200 W 1680 W 1425 W 1400 W
Running Amps 7 A 4 A 2 A 15.9 A 6.2 A 2 A
Starting Current 15 A 10 A 15 A 53 A 21.8 A 15 A
Line Cord Terminal Block Terminal Block Terminal Block Terminal Block Terminal Block Terminal Block

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DTS3181A115N4SS DTS3281A115N4SS
DTS3181A230N4SS DTS3281A230N4SS
Refrigeration Data DTS3181A460N4SS DTS3281A460N4SS
Cooling Capacity BTU/h ( Watts) +95/+95F +35/+35 C 4100 BTU/h (1200 Watts) 6825 BTU/h (2000 Watts)
Type of Refrigerant R134a R134a
Regrigerant Charge 400 g 700 g
Adjustable Control Range +77F..+113F +25C..+45C Factory setting +95F/+35C +77F..+113F +25C..+45C Factory setting +95F/+35C
Max. Ambient Air Temp. +131°F (+55°C) +131°F (+55°C)
Min. Ambient Air Temp. +32°F (+0°C) +32°F (+0°C)
Air Capacity (unrestricted) Internal Circulation 177 CFM Internal Circulation 450 CFM
External Circulation 100 CFM External Circulation 450 CFM
Condensation Discharge Condensate Evaporator Condensate Evaporator
Filter Mat 150 g/m² 150 g/m²
Db Noise Level <70 dB(A) <73 dB(A)
Unit Weight 84 lbs (36 kg) 123 lbs (46 kg)
Exterior Case Galvanized Steel Galvanized Steel
Finish SS 304 Stainless Steel # 4 brush 304 Stainless Steel # 4 Brush
NEMA Rating Enclosures IP 56/NEMA 3R/4 Enclosures IP 56/NEMA 3R/4

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Data subject to change without notice.