FAQ - Frequently Asked Questions

What is an split air conditioning unit used for?

Air conditioning can help to regulate the temperature of your living space. Creating the perfect balance of heating or cooling for any room in your home. Split air conditioning units are typically made up for two parts, an indoor unit and an outdoor unit. The indoor unit provides hot or cold air, which can be delivered by a wall mount, floor mount, ducted or cassette unit.

What is a multi-split air conditioner?

A Multi-split air conditioner is very similar to a split air conditioning unit. The Multi-split allows multiple indoor units to be supplied by a single outdoor unit. Perfect for a home with more than one room that requires heating or cooling.

Does air conditioning only provide cooling?

Air conditioning units are air-to-air heat pumps, which means the refrigerant cycle in the indoor and outdoor unit can be reversed to provide heating or cooling.

Is air conditioning costly to run?

Our Premium range achieve energy efficiency ratings of A+++.
While high in performance, Mitsubishi Electric air conditioning units are low in power consumption, due to leading edge inverter technology. As well as controlling temperatures, they help to control costs as more people spend time working and relaxing at home.

Does my system require maintenance even with manufacturer’s warranty?

Approved Mitsubishi Electric, Diamond Quality Partners can provide warranty for up to 10 years. To ensure this warranty is upheld, a minimum of 1x servicing visit per year after the first 12 months of installation. Service and maintenance visits must be undertaken by a Mitsubishi Electric Diamond Quality Partner.

Where should my outdoor unit be located?

Outdoor units must be located on an outside wall of a house. This can be floor mounted at low level, or wall mounted at high level.

Does my indoor unit require a condensate drain?

All indoor units require condensation to be removed from the indoor unit and discharged to an outside drain. This can be done by a gravity feed drain off pipe or if the pipework rises vertically, a condensate pump will be required the move the condensate up and through the drain pipework.

What will be visible outside my house?

The outdoor unit will be visible on the chosen outside wall of your property, other visible items will be the rotary isolator, insulated pipework or pipework trunking.

What power supply does my system need?

Electrical work should be performed by a qualified, experienced electrician, according to the installation manual. Be sure to use an exclusive circuit. Do not connect other electrical appliances to the circuit. If the capacity of the power circuit is insufficient or there is incomplete electrical work, it could result in a fire or an electric shock.Electrical work should be performed by a qualified, experienced electrician, according to the installation manual. Be sure to use an exclusive circuit. Do not connect other electrical appliances to the circuit. If the capacity of the power circuit is insufficient or there is incomplete electrical work, it could result in a fire or an electric shock.

Mandatory power supply requirements:

  • Earth Leakage breaker
  • Consumer unit (commonly known as fuse board or electrical fuse box) with available capacity.
  • Outdoor IP65/66 rated 4-pole Rotary Isolator (Amperage requirement differs per outdoor model). 
  • Proof of Electrical installation certification will be required before attendance to site. 

Does air conditioning re-circulate germs from within the room?

Air pollution in the home can be 2-5 times higher than outdoors. Our innovative Plasma Quad Technology is built into the Premium models, provides highly effective filtration performance against common pollutants, neutralising airborne bacteria/virus/allergens/ mould/dust/PM2.5.

The Plasma Quad technology inhibits SARS-CoV-2 by 99.8%*

* Derived from and subject to test results, for and on behalf of Mitsubishi Electric, conducted at the Microbial Testing Laboratory, Japan Textile Quality, and Technology Center, Kobe, Japan.