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Outdoor Reset Curve and Thermostat Settings
smithfan
Member Posts: 91
in Gas Heating
I've finally have got my Outdoor Curve dialed in my mod/con boiler for this upcoming winter. The boiler heats two upstairs fin/tube zones and 1 basement in-floor heat slab. The slab heat zone is preceeded by a mixing valve in the plumbing to keep things under 120F there.
Before the upgrade to my boiler, I had installed Honeywell programmable thermostats for the 2 upstairs zones. The basement is a honey digital NON-programmable stat. The last thing I want to make sure is correct is the correct CPH or Cycles Per Hour setting for each thermostat. I won't be using much setback now that I have the ODR installed, however I want to make sure the CPH for each stat is correct. Currently the 2 upstairs are set to 3 CPH and the downstairs is set to 1CPH. Any insight into this would be appreciated!!
Before the upgrade to my boiler, I had installed Honeywell programmable thermostats for the 2 upstairs zones. The basement is a honey digital NON-programmable stat. The last thing I want to make sure is correct is the correct CPH or Cycles Per Hour setting for each thermostat. I won't be using much setback now that I have the ODR installed, however I want to make sure the CPH for each stat is correct. Currently the 2 upstairs are set to 3 CPH and the downstairs is set to 1CPH. Any insight into this would be appreciated!!
0
Comments
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I'd set the two upstairs to 1 or 2 CPH and get a Tekmar 518 for the slab. The 518 is designed for radiant floors, the Honeywell is not. I would also get a smart valve with ODR controlling the water temp to the slab as it's bound to overheat with a fixed temp (dumb) mixing valve.Bob Boan
You can choose to do what you want, but you cannot choose the consequences.3 -
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