Schematic Diagram; Electrical Connections - Gruppo Ferroli FZ4B Instrucciones De Uso E Instalación

CONTROLLO ZONE FZ4B
One direct zone

Schematic diagram

Electrical connections

After installation, carry out the necessary electrical connections as shown in the wiring diagram.
Then confi gure the controller as described in the specifi c section.
RY1 RY2
7 (L) 8 (N) 9 (L) 10 (N)
318a 318a
318a 318a
Key
72a 1st zone (direct) room thermostat
138 External probe
139a 1st zone (direct) Remote Timer Control
318a 1st zone (direct) circulating pump
To manage the sliding temperature it is necessary to purchase the external probe accessory code 013018X0
68
318a
a
72a/139a
RY3 RY4 RY5
11 (L) 12 (L) 13 (L) 14 (N)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
318a
a 1st zone (direct)
____ Necessary wiring
- - - - Optional wiring
CALDAIA
fi g. 6
RY6 RY7 RT1
15 (L) 16 (L) 19 - 20 21 - 22
72a/139a
72a/139a
FZ4B
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
72a
fi g. 7
RT2 RT3 T1 T2
23 - 24 25 - 26 27 - 28
139a
138
IMPIANTO
EN
T3 T4
29 - 30 30 - 31
138