103
3.5
SYSTEM
AVAILABLE HEAD
The residual head for the heating plant is
represented, in function of the thermal
flow, by the graph in fig. 12.
3.6
ELECTRICAL
CONNECTION
ZONE PLANTS
Use a separate electric line to link up the
room tats and relative valves or zone pumps.
The connection of the micros or the relay
contacts is carried out on the connector of
electronic panel (J2) after having removed
the existing bridge (fig. 13).
3.6.1
Zone plants kit
The
“LOGO”
may be inserted in
traditional plants and in those with more
than one zone.
To realise this type of installation an
optional kit for the hydraulic connection
complete with all the accessories, cod.
8098200, and an electronic exchange kit
for the management of the zones, cod.
8098300, are available.
Detailed instructions on the assembly are
given on the package.
600
1500
1000
500
PORTATA (l/h)
PREV
ALENZA RESIDU
A (mbar)
500
400
0
200
300
2000
700
32/50
32/80
22
32
Logo
Fig. 12
RESIDU
AL
HEAD
(mbar)
FLOW RATE (l/h)
RL
CR1
CR
TA
(5)
SONDA
SANITARIO
CAVO POMPA IMPIANTO
CONNETTORE J2
COPERTURA
TA
(6)
SB
(11)
SB
(12)
CIRCUITO CON VALVOLE DI ZONA
NOTA: I relé vengono impiegati solo nel caso
le valvole di zona siano prive di micro.
L
N
TA
TA1
VZ
R
VZ1
R1
NOTA PER VERSIONI SOLO RISCALDAMENTO:
Sostituire la pompa impianto della caldaia
con il tronchetto optional cod. 8094000
e riutilizzare la pompa per una zona.
Collegare il cavo della pompa impianto ad
un relè di potenza (RL)
NOTA PER VERSIONI COMBINATE:
Sostituire la pompa impianto della caldaia
con il tronchetto optional cod. 8094001.
Collegare il cavo della pompa impianto ad
un relè di potenza (RL).
CIRCUITO CON POMPE DI ZONA
L
N
TA1
CRL
R1
P
TA
R
P1
CR
CR1
Fig. 13
KEY
TA - TA1
Zone room stat
VZ - VZ1
Zone valve
R - R1
Zone relay
CR - CR1
Relay contact or zone micro valve
P-P1
Zone pump
RL
Power relay
CRL
Power relay contact
COVER
CONNECTOR J2
PUMP CABLE
CIRCUIT WITH ZONE VALVES
CIRCUIT WITH ZONE PUMPS
NOTE: Relays are used only if the zone valves
have no microswitches.
NOTE FOR HEATING ONLY MODELS:
Replace the C.H. pump with optional stub pipe code
8094000 and reuse it for one area.
Connect the pump cable to a power relay (RL).
NOTE FOR COMBINED MODELS:
Replace the C.H. pump with the optional stub pipe,
code 8094001.
Connect the pump cable to a power relay (RL).
D.H.W.
SENSOR
