21
timer -pr ogr ammer, code 8092205
(mechanical) or code 8092206 (digital),
which can be supplied upon request. To fit
the timer, remove the housing blanking
piece from the control panel and, with the
panel open, fit the timer to the panel using
the screws supplied therein (fig. 23/a).
SIME SUPPORT THE
BENCHMARK INITIATIVE
All relevant sections of the logbook must be
filled in at the time of installation and there-
after service information on the back page
of the logbook.
Commissioning of the boiler is not com-
plete until the logbook is filled in.
CR1
CR
TA
TA
Connettore J2
CIRCUITO CON POMPE DI ZONA
NOTA: Sostituire la pompa impianto della
caldaia con il tronchetto optional cod. 8094001.
Collegare il cavo della pompa impianto ad un
relè di potenza (RL).
L
N
TA1
CRL
R1
P
TA
R
P1
CR
CR1
RL
Cavo
pompa
impianto
CIRCUITO CON VALVOLE DI ZONA
L
N
TA
TA
1
VZ
R
VZ
1
R
1
NOTA: I relé vengono impiegati solo
nel caso le valvole di zona siano
prive di micro.
Fig. 23
CIRCUIT WITH ZONE VALVES
CIRCUIT WITH ZONE PUMPS
Pump cable
J2 connector
NOTE: Relays are used only if the
zone valves have no microswitches.
NOTE: Replace the C.H. pump with the optional
connecting pipe, code 8094001. Connect the
pump cable to a power relay (RL).
KEY
TA - TA1
Zone room stat
VZ - VZ1 Zone valve
R - R1
Zone relay
CR - CR1 Relay contact or zone
micro valve
RL
Power relay
CRL
Power relay contact
P-P1
Zone pump
Fig. 23/a