Description
LED for operating state OpenTherm
LED for pump 1
LED for pump 2
LED for burner (or error)
LED for mixer open
LED for mixer closed
LED for domestic hot water (DHW) feed
LED for domestic hot water (DHW) circulation
Button for switching outputs
(for test function without RAMSES 850 top2 OT)
Button and LED for chimney sweep function
USB connection
6
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2