Mitsubishi Electric Heat Pump User Manual

Do you know the difference between running an air conditioner on HEAT mode compared to AUTO mode? This simple guide will explain the difference.

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The unit purely operates in heating mode.

Technical and Service Manuals. Please login to access BDT online customer service system for resellers of Mitsubishi Electric product in New Zealand. For all other products or any other service or support enquiry you can contact us, or if you would prefer to speak directly to us please call 0800 784 382 during normal office hours. Heat pump technology has been used around the world for decades and Mitsubishi Electric have developed this technology to produce Ecodan - one of the most advanced, efficient renewable heating systems available today.

Electric Heat Pump Furnace

The indoor unit will blow warm air into the room until the set temperature is reached. Once the temperature is reached, the inverter compressor in the outdoor unit will slow down and eventually stop.

The indoor fan will effectively stop when the indoor unit cools down to avoid a draught. When the temperature in the room falls heating will resume.

When summer comes you will need to manually change the mode to COOL or AUTO (recommended).

(Auto changeover mode)

Mitsubishi Electric Split System Heat Pump User Manual

In this mode, the unit will run on HEAT or COOL depending on the room and set temperatures. Simply set the desired temperature and the inverter compressor will speed up and slow down to maintain temperature. Once the temperature is reached, the outdoor unit will slow down and eventually stop.

The indoor fan will effectively stop when the indoor unit cools down to avoid a draught. When the temperature in the room falls during winter, heating will resume.

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If the room temperature is 2ºC above the set temperature in winter, the unit will automatically switch to COOL to maintain temperature.

Mitsubishi Electric Heat Pump User Manual 2017

During summer, the unit running on AUTO mode will automatically switch to cooling to maintain temperature.

Mitsubishi Electric Heat Pump Service Manual

For convenience, AUTO mode is recommended. Just set and forget.