Harman's Room Temp and the fan

I have had mine in Room Temp mode for Two Years. Never experienced the continual High and Off your having a problem with. I usually have the Dial set to around 1/3rd to Half around. Feed Rate at 3 1/2 and I adjust the Temp Between 72 and 75. . My prob sensor is halfway round the room. I have had it shut off when that Probe is too close to the stove, heats up quicker and shuts off. Running right now and is keeping a steady blow, not high, and Room temp is now at 78. Stove set for 72.

It may be as simple as a poor connection at your thermostat wire connection to the stove. Try this two dollar fix; cut off the old connectors from your thermostat wire and replace them with new crimp-on connectors with anti oxidant compound and reconnect them to the stove. I pulled my stove to do a tile job and replaced the connectors when I re-installed the stove, the Room Temp controls seemed to be more accurate.

Run stove in "stove temp", switch on auto during shoulder seasons, this will reduce fan cycling, but you might overheat the room...wasting heat... Your stove is cooling off too much for the fan to run as Delta-T explained. ESP probe drives everything, so don't lose sleep over something you can't change... But you can run stove temp to help out until it gets cold enough for your stove to run more consistently on room temp. It's all good.

See my sig for more detailed overview of how Harmans work... Delta-T, please feel free to chim in if you have anything to add to my write up.

I'm with Chuck on this.... I think your ESP is too close to the stove or directly in the path of the dist. air.

My fan runs at a very steady, consistant speed. Yes, it will change but gradually as the heat load changes.

so if i need to move my sensor further away do i just splice it into some phone line to lengthen it or do i need to buy a longer one from harman? its only about four feet long. hardly long enough to get away from the stove.

3650 said:

so if i need to move my sensor further away do i just splice it into some phone line to lengthen it or do i need to buy a longer one from harman? its only about four feet long. hardly long enough to get away from the stove.

Click to expand...

I extended mine. You can use thermostat wire.

would the twin wire you use for a garage door opener work ok it looks like 24/2?

Ed

referee38 said:

would the twin wire you use for a garage door opener work ok it looks like 24/2?

Ed

Click to expand...

It's wire isn't it? If it conducts, it will work.

The only time mine will do this is when it gets to the temp I have on the Thermostat on the wall. Then the fan actually will slow down big time and come on a few minutes later. When that happens I will usually bump the temp on the thermostat up a degree or so because of where I have the temp set on the stove. It is funny, I have 3 digital readouts in the room and they are all off from each other, but the thermostat seems to be off by a further amount then my other ones. I have placed a digital thermometer in different parts of the room to see which is more accurate. Seems the baseboard heat thermometer on the opposite wall is closer then the thermostat I have the XXV attached to.

Jim