Sime FORMAT SYSTEM 25 HE Installation And Servicing Instructions page 16

the union to the vertical position (fig. 16/a).
3.6 ELECTRICITY CONNECTION
FOR ZONE SYSTEMS
To realize this kind of system, use a separa-
16
te electricity supply to connect the room
thermostats and relative zone valves.
The micro or relay contact connection has
to be made to 1-2 connectors of the 9-pole
junction box after having removed the jum-
per (fig. 17).
By-pass inserito
By-pass on
2
L
TA
VZ
R
VZ
1
N
NOTE: Relays are used only if the area valves
NOTA: I relé vengono impiegati solo nel caso
have no microswitches.
le valvole di zona siano prive di micro.
By-pass escluso
CR
CR
1
1
TA
1
KEY
TA-TA1
VZ-VZ1
R-R1
R
1
CR-CR1
By-pass off
Zone room stat
Zone valves
Zone relay
Zone microvalve or relay contact
Fig. 16/a
Fig. 17