Posted: Thu Sep 8, 2016 9:36am
John, it is highly likely that if water is coming out of the unit it will be condensation created across the cooling coils. A few simple tasks can cure this, check the air filters on front facia, if they have not been cleaned for a long time they will clog up and restrict air-flow across the coil. Is your unit at high level on a wall - if so then the condensate drain will probably be routed through the wall and into your drains outside. Finally, if the water is dripping from the unit, have a look at the collective tray under the front facia - this is used to collect the dripping condensate water from the coil and direct it into the drain pipe - there should be a hole at one end of the tray, where the water will run out into the drainpipe- check this hole isn't plugged with any dirt etc because if it is blocked then the water will collect in the tray and eventually spill over?
If your unit has a lift pump inside to pump the drain away, and the pump isn't working, then this will be the cause of the water leaking - however it will probably only have this if the drain needs to be pumped up to a level higher than the condensate tray, rather than being gravity fed
I've never worked on a HYASU unit, but the principles are broadly the same for all types of wall units. Well worth having a look yourself rather than call in a company from the coast (if you can get hold of one) and a lot cheaper too! The tasks that I have mentioned above are what a service engineer would/should do on a maintenance check and, if they are not done, then problems like yours will eventually happen
Steve
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