Connection diagram for the base control unit (part 2)
IT
56
MEGAPREX N 720N ÷ 1060N
cod. 3541O220 - Rev. 00 - 03/2018
1
SAFETY-LOOP
Jumper if there's no other enabling safety
signal for the system
2 - (4B1)
Boiler water feed temperature sensor
Use 10K NTC probe
3 - (4N1)
Operator unit panel
AVS 37.294