Frico Thermoplus EC450 Instructions page 4

Thermoplus
Internal wiring diagram EC Internal wiring diagram ECVT
400V2~
230V~
L L L
L L L N N
°C °C
1 2 3
1 2 3
EC 230V~
EC 400V2~
Output control
ERP ERP
K 1 2 U 3 4 U K G G K 1 2 U 3 4 U K G G
? ?
400V2~
230V~
EC EC
EC EC EC EC
L L L N L L L N L L L L L L L L
L N N N L L L N
°C °C °C °C
°C °C
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
Control by thermostat
4