prox switch controls?
- plumberman
- Member
- Posts: 264
- Joined: Sun. Apr. 14, 2013 2:45 am
- Location: andes ny
- Stoker Coal Boiler: coal gun 130
- Coal Size/Type: pea
- Other Heating: solar dhw/samsung mini split/oil
Went with photoeye.
Attachments
- plumberman
- Member
- Posts: 264
- Joined: Sun. Apr. 14, 2013 2:45 am
- Location: andes ny
- Stoker Coal Boiler: coal gun 130
- Coal Size/Type: pea
- Other Heating: solar dhw/samsung mini split/oil
allen Bradley grp-9002-5
- lsayre
- Member
- Posts: 21781
- Joined: Wed. Nov. 23, 2005 9:17 pm
- Location: Ohio
- Stoker Coal Boiler: AHS S130 Coal Gun
- Coal Size/Type: Lehigh Anthracite Pea
- Other Heating: Resistance Boiler (13.5 KW), ComfortMax 75
Does it send out a beam of light from the sensor mounted on the wall and see (or not see) coal through the plexiglass (or real glass) window in the hopper?
- plumberman
- Member
- Posts: 264
- Joined: Sun. Apr. 14, 2013 2:45 am
- Location: andes ny
- Stoker Coal Boiler: coal gun 130
- Coal Size/Type: pea
- Other Heating: solar dhw/samsung mini split/oil
sends out infrared beam threw plexi glass window and back to itself. if no return contact close and starts adjustable timer relay. sees coal contact opens an shuts off.
- lsayre
- Member
- Posts: 21781
- Joined: Wed. Nov. 23, 2005 9:17 pm
- Location: Ohio
- Stoker Coal Boiler: AHS S130 Coal Gun
- Coal Size/Type: Lehigh Anthracite Pea
- Other Heating: Resistance Boiler (13.5 KW), ComfortMax 75
Nice! Do you think it will be affected if any coal dust gets on the Plexiglas? Ballpark cost?