Reply 51 - 71 - 101
Two mixed heating circuits, one direct heating circuit and one DHW circuit with pump
Check/Change parameter P02 of the "Transparent Parameters Menu" to 2.
Change parameter P.02 of the "System Type Menu" to 1.
Change parameter P.09 of the "System Type Menu" to 1.
For the electrical connection and the zone system settings, refer to the "FZ4 zone regulator" handbook
FZ4
72/139
72/139
72/139
138
Zona 1
Zona 2
Zona 3
42
TS
TS
I
PR
130
PZ
PZ
SM
SM
M
M
298
D
F
fig. 24
EN
67
cod. 3540H322 - 09/2008 (Rev. 01)