Two mixed heating circuits and one direct heating circuit
Check/Change parameter P02 of the "Transparent Parameters Menu" to 1.
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
138
66
FZ4
I
D
fig. 23
cod. 3540H322 - 09/2008 (Rev. 01)
Reply 51 - 71 - 101
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Zona 1
Zona 2
TS
TS
PZ
PZ
SM
SM
M
M
298
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Zona 3
PR
E
EN