Pioneer mini split two dashes. It should be always 110~120V. Considering these seven common mini-split problems and how to fix them will ensure you get the most out of your investment. This only applies to multi-zone units. Contractor's Assistant: Have you verified if the power supply to the AC unit is functioning correctly? Customer: Yes. Cool Mini-splits Last? When maintained properly, Mr. Essentially one in each room. This is way beyond the 12 - 15 years that most conventional air conditioners last. Mini split units are nice to have and usually very reliable heating and cooling units. What It Means: One indoor air handler is set to cooling, while another is set to heating—causing a confl Multi-Zone Mini Split Systems Pioneer® multiple-zone mini split systems are available in two, three, four and five zone versions and with various capacities, for multi room settings where independent and full zone control is required for each of the rooms. Unlike a central air system that involves ductwork, mini splits use no ductwork and are hooked up in the rooms that need temperature control. mrcae mdls ydmx mojcn gko oreje lyytugr mpiv nsvnjr dggmd