Beacon morris bru 45 garage heater

[adtinner12]

I have an older unit I was given in exchange for some work it’s currently running off of LP. Everything works great but for the some reason the fan is always blowing, even after hitting the desired temp everything else will turn off but the fan will continue to run. I’ve had it on for several hours and it will cycle to maintain temp but as long as the unit has power that fan is always on. Any ideas on a solution???

 

[jlv03]

Is there a "G" terminal on the control board? If so, did someone put a jumper on it?

 

[adtinner12]

Is there a "G" terminal on the control board? If so, did someone put a jumper on it?

There is a “G” terminal with a wire running from it directly to the thermostat

 

[fitter30]

Found this manual dates back to 2016. Page 30 explains fan control. 30 second delay at call for heat, 30 seconds on for thermostat satisfied

https://www.literature.mestek.com/dms/BeaconMorris/Gas-Fired/GG-IOM-18R.pdf

 

[adtinner12]

Thanks! Troubleshooting says it must be a wiring issue on the control board so I’m going to try that route.

 

[adtinner12]

Found this manual dates back to 2016. Page 30 explains fan control. 30 second delay at call for heat, 30 seconds on for thermostat satisfied

https://www.literature.mestek.com/dms/BeaconMorris/Gas-Fired/GG-IOM-18R.pdf

Thanks! Troubleshooting says it must be a wiring issue on the control board so I’m going to try that route.

 

[fitter30]

Thanks! Troubleshooting says it must be a wiring issue on the control board so I’m going to try that route.

If the thermostat has a G wire disconnect at board. Turn thermostat up for a call for heat.

 

[adtinner12]

Found the issue the one wire off of m2 blower was not connected to acc1 on control board works perfectly now the board is wired properly