AR-050 Evaporator/fan coil unitExplosion-safe

AR-050 Verdampers voor zone 1The AR-050 is an explosion-safe evaporator/fan coil unit designed for temperature control in Zone 1 hazardous areas that must be explosion proof. It is commonly used in rooms where chemicals or flammable substances are stored, or in battery rooms where lead batteries are charged, such as forklift charging stations or UPS backup systems.

Its compact design ensures optimal use of storage space while providing safe and efficient operation in environments with an increased explosion risk.

The unit is certified under ATEX Directive 2014/34/EU (ATEX114), product category II 2G, gas group IIB + H2, temperature class T4, and is CE marked.

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Common use cases

The AR-050 is commonly used in chemical storage areas, battery charging rooms, enclosures containing flammable materials, and other industrial safety-critical spaces that must be explosion proof, where reliable temperature control is essential. Discover more about the AR-050:

Marc Moolenaar - Artidor Explosion Safety

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Features
  • Capacities up to 14 kW
  • Suitable for hazardous environments in which gas, vapor or mist is present, classified as Zone 1
  • ATEX EU Type Examination Certificate
  • Robust axial fan with aluminum impeller
  • Intrinsically safe room air thermostat
  • For ambient temperatures up to 55 °C
  • Refrigerant R513A
  • Increased safe junction box for easy installation
  • 230 VAC, 50 / 60 Hz
Technical properties
  • Nominal capacity:
    2 up to 14 kW
  • Explosion safety:
    II 2 G Ex db eb h ia IIC T4 Gb
  • Conformity:
    European directive 2014/34/EU (ATEX 114)
  • Applied standards:
    EN 60079-0:2012 / A11:2013, EN 60079-1:2014, EN 60079-7:2015 / A1:2018, EN 60079-11:2012, EN 80079-36:2016 and EN 80079-37:2016
  • Certificate:
    EU Type Examination Certificate No. KIWA 19ATEX0049X
  • Ambient temperature:
    -20 °C up to +55 °C
  • Fan(s):
    230 VAC, 50 / 60 Hz single phase or 400 VAC, 50 / 60 Hz three phase
Diameter(s): 250, 300, 350, 400, 450 or 500 mm
  • No. of fans:
    Up to 3
  • Fan properties:
    Short cased 4-pole axial fan with aluminum impellor
  • Power supply:
    220 – 240 VAC, 50 Hz (400 VAC, 3 phase, 50 Hz on request)
  • Fin spacing:
    4 or 6 mm
  • Electric heating:
    Not available
  • Refrigerant:
    R513A

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Installation & Configuration

Each unit includes:

  • Flameproof electric motor
  • Explosion-safe fan with aluminum blades
  • Anti-static mounting plate
  • Room thermostat connected through an intrinsically safe circuit
  • Dedicated junction box with power terminals and thermostat connection

Refrigerant & efficiency

The AR-050 is optimized for use with R513A, a non-toxic and non-flammable A1-class refrigerant. Other refrigerants are available on request.

The unit is equipped with coils made from inner-grooved copper tubing combined with aluminum fins, reducing refrigerant volume while improving heat transfer performance.

Optional outdoor condenser unit

A separate outdoor condenser unit is available for full system integration. This includes:

  • A control box with built-in safety features
  • Barriers for the intrinsically safe circuits connected to the AR-050

Explosion-safe condenser units for Zone 2 are also available on request

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