Got the fire going. Of course it will take a while to start putting off some heat. Without the doors closed and the blower going, it seems like it’s probably operating like a regular fireplace with most of the heat going ok the chimney.
Sent from my iPhone > On Feb 16, 2021, at 10:07 AM, Curt Raymond <curtlud...@yahoo.com> wrote: > > > Some of those units do pretty amazing things in the cold these days. 10-15 > years ago 20F was the practical minimum but I've read of units that will > still work down to 0F and there are some that probably go colder. I suspect > efficiency takes a dump at those temps though. > > The guy I'm training to run the groomer is an HVAC installer and the other > night he was telling me that just about nobody is installing ground source > heat pumps any more due to the huge cost and the availability of low temp air > source units combined with the low cost of natural gas. > > I'd considered ground source but the ones I've looked at are $20,000+ while a > new boiler for our house is more like $6,000 and would decrease our oil use > 20-25%. It would take a long long time to pay off that extra cost. There are > incentives but they're decreasing every year. > > -Curt > > On Tuesday, February 16, 2021, 10:46:10 AM EST, Kaleb Striplin via Mercedes > <mercedes@okiebenz.com> wrote: > > > I don’t know if size matters but it’s a 5 ton unit and even when it was in > the single digest I could tell it was putting out heat. I could tell the > difference between when the outside unit was running and when it was shut > down and only using the aux heat. > > Sent from my iPhone > > > On Feb 16, 2021, at 9:44 AM, Floyd Thursby via Mercedes > > <mercedes@okiebenz.com> wrote: > > > > There's no point in it running if it can't extract any heat from the air. > > It's a wonder it was running and putting out much when it got down below > > 20F or so. > > > > --FT > > > >> On 2/16/21 10:36 AM, Kaleb Striplin via Mercedes wrote: > >> Power just came back on a few minutes ago. Outside unit still not > >> running. I did find the installation manual online though. Here is some > >> info about the defrost and lockouts. Sounds like it may simply be locking > >> out because the temp is too low. > >> > >> Heating Mode:The compressor and fan motor will stop when the low pressure > >> control opens and will start again when the low side pressure rises to > >> approximately 40 psig when the low pressure automatically resets�If the > >> low pressure switch trips 3 times within 120 minutes of operation during a > >> particular call for heating operation, the defrost control will lock out > >> compressor and outdoor fan operation�If the lock out due to low pressure > >> occurs at an outdoor ambient temperature below 5°F, the defrost control > >> will automatically exit the lockout mode when the outdoor ambient > >> temperature rises 5°F�This feature is necessary since the low pressure > >> control could possibly have opened due to the outdoor ambient being very > >> low rather than an actual system fault� > >> > >> > >> Of course with the power being out I figure that would have caused the > >> lockout to reset at least for a while. Will see what happens when it gets > >> over 5 this afternoon. > > > > _______________________________________ > > http://www.okiebenz.com > > > > To search list archives http://www.okiebenz.com/archive/ > > > > To Unsubscribe or change delivery options go to: > > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > > > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
