NAS

Classification

Technical Specification

Copper Tube: 1/2″

Geometry: 40 mm x 35 mm

Fin Spacing: 4 mm – 6 mm – 8 mm – 10 mm

Capacities are calculated according to EBM or Ziehl-Abegg
or equivalent brand fans.

STANDARD UNIT COOLERS FEATURES

Coil

COIL

  • Ø3/8”. Ø1/2 and ø5/8” copper tubes
  • “V” type aluminum fins.
  • The finned coils are designed with aluminum fins spaced at 4, 6, 8, 10 or 12 mm, crimped onto copper tubes.
  • Header inlet and outlet tube connections made of copper.
  • Staggered copper tubes.
  • The coil circuits are designed for refrigerants R404A, R507C, R134A, R449A, R407F, R410A.
  • Different fins spacing can be selected as an option for 4mm to 12mm.
  • Refrigerant distributor.

Casing

CASING

  • Electrostatic power coated RAL 9016, 9002, 9003 galvanized steel.
  • Stainless steel and aluminum casing as optional.
  • Side panels are removable.
  • Hinged/ Folding drain tray is standard for all models.
  • Side panels are removable.

Fan

FAN

  • Selection of a unit cooler with various fan number/diameter combinations offering the dimensional and air throw characteristics best adopted to the size of the cold room.
  • Selections should be confirmed by your Arctic Technical Specialist.
  • Different kinds of motor available as optional. (EC or AC)
  • Motor protection IP54 insulation class F of alternate as per requirement.
  • Different kinds of accessories available as optional. (Fans, Ring, Heater, etc.)
  • Working conditions -40 0C / +55 0C.

Defrosting

DEFROSTING

  • B1 type defrost system suitable for 0 0C / + 5 0C cold room applications.
  • Defrost heaters are applied on heat exchange coil.
  • B2 type defrost system suitable for -34 0C / 0 0C frozen room applications.
  • Drain line heaters, fan housing heaters, hot gas defrost system and water defrost system are optional.
  • This facility enables homogenous heat distribution for fast and efficient defrosting.
  • Options of Water Defrost, Light Electric Defrost, Electric Defrost (coil + drain pan), Hot Gas (coil + drain pan) available as per the requirement.

Capacity

CAPACITY

  • The nominal capacities calculated according to Eurovent EN328 standards that refer to SC1-SC2-SC3-SC4 conditions are valid for R404A.

Options

OPTIONS

  • Different casing color.
  • Other tube wall thickness and fin spacing on request.
  • Mono phase 220V 1 ~ 50Hz fan or three phase 400V 3 ~ 50Hz fan.
  • Please keep in touch with our sales department about your specific needs that are not mentioned in the catalogue.
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