Search: Posts Made By: matthew_ptbo
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Replies: 3
Views: 951
Posted By matthew_ptbo

Thanks Ed - are your units relatively newer ? ...

Thanks Ed - are your units relatively newer ? most info on the internet states that the efficiency diminshes at 30 oF and/or that the back-up heat just kicks-in anyway (either in conjunction with,...
Replies: 3
Views: 951
Posted By matthew_ptbo

Heat Pump Outside Operating Temp

I have a 17-year old air-to-air Heat Pump (Lennox EC-10 / 30 KW). The previous owner had it completely rebuilt 2 years ago (which I wouldn't have done - but he did, and its still working well).
...
Replies: 7
Views: 2,400
Posted By matthew_ptbo

Many Thanks Guys: See if this makes sense to...

Many Thanks Guys:

See if this makes sense to you:

I'm told that "R" is the Reversing Valve and connects to O/B on the new T-Stat

Was also told that "Y" is Aux-Heat on the old and should be...
Replies: 7
Views: 2,400
Posted By matthew_ptbo

Unhappy Thank you Ed, The Heat Pump is either a HP10...

Thank you Ed,

The Heat Pump is either a HP10 or HP11 (5-Ton) on an EC-10 forced-air electric furnace... the T-Stat is a T874 (Honeywell).

The new Honeywell instructions indicate terminal...
Replies: 7
Views: 2,400
Posted By matthew_ptbo

How Wire Heat Pump to H/Well Thermostat ?

I'm considering wiring a Honeywell programmable thermostat to my ~18 year old Lennox Air-to-Air Heatpump (it has auxilary electric-furnace heat).

The Wiring on the old Thermo doesn't match the...
Replies: 9
Views: 4,034
Posted By matthew_ptbo

EAC's vs Media Filters vs Tox Box

I have an old Honeywell (F50) Electronic Air Cleaner with two cells (@20 years old). Even though its been regularly cleaned, I'm assuming its shot and not doing the job it used to.

Is it worth...
Showing results 1 to 6 of 6


 
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