Sime FORMAT DEWY.zip 25 BF - Mains Electricity Connection

IT
ES
PT
GB
82
RUS
shown as a function of the flow in graph in
fig. 18. To obtain the maximum head availa-
ble to the system, turn off the by-pass by
turning the union to the vertical position (fig.
18/a).
3.6 MAINS ELECTRICITY
CONNECTION
Use a separate electricity supply to con-
nect the room stats and relative zone val-
ves.
The micro or relay contact is connected to
the terminals (1-2) after having removed
the jumper (fig. 19).
L
N
TA
TA
1
VZ
R
VZ1
R1
NOTA: I relé vengono impiegati solo nel caso
le valvole di zona siano prive di micro.
CR1
CR
12
Fig. 19
KEY
TA-TA1 Zone room stat
VZ-VZ1 Zone gas valve
R-R1 Zone relay
CR-CR1 Zone microvalve or relay contact
NOTE: Relays are used only if the area valves have
no microswitches.
By-pass inserito
By-pass escluso
Fig. 18/a
BY-PASS ON
BY-PASS OFF