Sime RVA 47.320 Manual Del Usuario página 41

3.4.2 Sequence management of up to 6 boilers for heating with D.H.W. tank and zone valves
Hydraulic circuit
PPS BUS
BOILER 1 BOILER 2
CALDAIA 1 CALDAIA 2
KEY
SI Hydraulic separator
SB Feeler of external boiler (QAZ21)
SM Cascade delivery temperature feeler (QAD21)
SR Cascade return temperature feeler (QAD21)
SE External temperature feeler (QAC31)
PI Installation pump with variable head
Wiring diagram
KEY
SB Feeler of external boiler (QAZ21)
SM Cascade delivery temperature feeler (QAD21)
SR Cascade return temperature feeler (QAD21)
SE External temperature feeler (QAC31)
PI Installation pump with variable head
PB Boiler pump
VZ1-n Zone valves
TA1-n Zone Room thermostat
RL1-n Zone relays
CR1-n Clean contacts
R2 562-Ohm-resistor
R3 604-Ohm-resistor
R4 649-Ohm-resistor
R4
Scheda caldaia
Scheda caldaia Main PCB
SB
SB
SE
SE
–
CR
+
CR
ALBATROS
ALBATROS TA
TA
Connettore inserito
Connector inserted
N
T
L
CALDAIA 1
BOILER 1
C (SLAVE)
SE
LPB BUS
RVA
47.320
PPS BUS
BOILER 1 BOILER 2
CALDAIA 3 BOILER 3 CALDAIA 1 CALDAIA 2
PPS BUS
N
L
R3
Main PCB Scheda caldaia
Main PCB
SB
SB
SB
SB
SE
SE
SE
SE
–
CR
CR
+
CR
CR
TA
ALBATROS TA
TA
TA
Connettore inserito Connettore inserito
Connector inserted Connector inserted
BOILER 2 CALDAIA 2 CALDAIA 3
BOILER 3
C (MASTER)
RVA
47.320
SM
SI
BOILER 3
CALDAIA 3
SR
PB Boiler pump
VZ1-n Zone valves
TA1-n Zone Room thermostats
RL1-n Zone relay
BP By-pass
C ALBATROS RVA 47.320 regulator
L
TAn
TA1
RL1
VZ1
VZn
RLn
N
CRn
–
+
RVA 47.320 (SLAVE)
R2 R4
Scheda caldaia
Main PCB
SB
SB
SE
SE
– –
CR
+ +
CR
ALBATROS TA
TA
Connettore inserito
Connector inserted
CALDAIA 1
BOILER 1
RL1
RLn
TA1
VZ1
PI
PB
SB
D.H.W. TANK
BOLLITORE
(separato)
(Separated)
LPB BUS
SR SM SE
CR1 SB
– +
RVA 47.320 (MASTER)
PB
PI
DO NOT REVERSE THE PPS CONNECTION POLARITY
Non invertire la polarità della connessione PPS
R3
Scheda caldaia
Main PCB Scheda caldaia
Main PCB
SB
SB
SE
SE
–
CR
+
CR
ALBATROS TA ALBATROS
TA
Connettore inserito
Connector inserted
CALDAIA 2 BOILER 2 CALDAIA 3
BOILER 3
ES
ENG
FR
TAn
BE
VZn
BP
PPS BUS
R2
SB
SB
SE
SE
–
CR
+
CR
TA
TA
Connettore inserito
Connector inserted
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