Marstair MCU+ Air Cooled Condensing Unit

Marstair MCU+ outdoor units are designed to complement the Marstair range of split-system air handling units but are equally suited for use in a wide variety of ventilation and air conditioning applications.

This product is not yet available to buy online, to place an order please call 01823 665 660.

Marstair MCU+ Air Cooled Condensing Units

Suitable for wall mounting or free standing, these stylish and efficient outdoor units incorporate the latest technology to deliver low sound levels.

  • Easy access for installation and service
  • Suction and liquid service valves
  • Fan speed head pressure control
  • Expansion device (orifice)
  • Low ambient start timer
  • 3-minute delay timer / random start timer
  • Crankcase Heater (reciprocating only)
  • Contactor
  • LP switch (auto)
  • HP switch (auto)
  • Factory charged with R407C refrigerant
  • Up to 80m pipe runs (equivalent length including 20m lift available)
    (Models 15 & 20 suitable for up to 50m)
  • MCU+ 15-40 (Reciprocation compressors)
  • MCU+ 50-200 (Scroll compressors)


  • CSR 1 Phase
  • Overload on 1 Phase (Standard on 3ph)
  • Wall mounting kit
  • Volt free relay / HP switch (with alarm output)
  • Isolator
  • Compressor jacket
  • Noise attenuation kit

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