chuckbowers Posted February 9, 2014 Report Share Posted February 9, 2014 I bought a Mr. Slim 2-3 years ago, and found the system to be totally unsatisfactory. I am a graduate physicist, but, for the life of me, I cant operate the darned thing. I can request (i.e., set) a mode (say cool) and the unit haughtily pumps out heat. Any coordination with the settings and indications on the remote , compared to results by the unit, seems to be purely coincidental. I have contacted headquarters in Japan, and have had three different "qualified" technicians trying to make sense of the complex controller. I have concluded that their qualifications are minimal or nonexistent. They dont know any more that I do about it. I have advertised on Craig's list for a genuinely-qualified tech, with zero results. Thank goodness I have a gas fireplace to keep warm. Any suggestions? Is there a simple thermostat available? Quote Link to comment Share on other sites More sharing options...
Marc Posted February 9, 2014 Report Share Posted February 9, 2014 What's the model #? Marc Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted February 9, 2014 Report Share Posted February 9, 2014 I just finished a project with 155 Mr. Slims and each one is working perfectly. I suspect that the installer and the techs in your area simply don't know what the heck they're doing. Oftentimes, there's a regional manufacturer's rep. My best advice is to find such a rep and ask him for help. Quote Link to comment Share on other sites More sharing options...
Bill Kibbel Posted February 9, 2014 Report Share Posted February 9, 2014 Mitsubishi HQ in Japan has nothing to do with your heat pump. Contact Mitsubishi Electric and ask for customer service. I think they're based in California I've contacted them a couple times with technical questions. I've checked hundreds of residential and commercial Mitsubishi heat pumps and never found anything close to the problem you describe. It's likely a combination of installation errors. Quote Link to comment Share on other sites More sharing options...
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