Installation
LED indicators
1
2
3
1 Illuminates red in the case of a fault
2 Illuminates yellow during heating operation
3 Flashes green if the PCB is receiving power
40
Activating the safety pressure limiter
1
2
1 1-pole safety pressure limiter MTE 440 / MTE 570
2 2-pole safety pressure limiter MTE 350 / MTE 650