Vam Teplo PION 04 User Manual page 10

Scheme №2
Thermoregulator RTR connection for the general pressure up to 3,5 kWt.
zero N
phase
earth connection L1
Automatic power
N
zero
L1
phase
earth connection
Heater "ПИОН"
earth connection
zero N phase L1
Heater "ПИОН"
2 1
N N
earth connection
Thermoregulator
zero N phase L1
RTR-E 6121
RTR-E 6163
Heater "ПИОН"
8