Sime RVA 47.320 Manual Del Usuario página 43

3.4.4 Sequence management of up to 6 boilers for heating with external boiler and zone pumps
Hydraulic circuit
PPS BUS
BOILER 3
BOILER 1 BOILER 2 CALDAIA 3
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
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
PB Boiler pump
PZ1-n Zone pumps
TA1-n Zone Room thermostat
RL1-n Zone relays (two exchange contacts)
RPI Installation pump relay
CR1-n Clean contacts
R2 562-Ohm-resistor
R3 604-Ohm-resistor
R4 649-Ohm-resistor
R4
Scheda caldaia
Scheda caldaia Main PCB
Main PCB
SB
SB
SE
SE
–
CR
+
CR
ALBATROS TA ALBATROS
TA
Connettore inserito Connector inserted
N
T
L
CALDAIA 2
CALDAIA 1
BOILER 1 BOILER 2
SE
C1 (SLAVE)
C1 (MASTER)
LPB BUS
RVA
47.320
PPS BUS
BOILER 1
CALDAIA 1 CALDAIA 2 BOILER 2
PPS BUS
N
L
R3
R2
Scheda caldaia
Main PCB
SB SB
SB SB
SE SE
SE SE
–
–
CR CR
+ +
CR CR
TA ALBATROS TA
TA TA
Connettore inserito Connector inserted
Connettore inserito Connector inserted
CALDAIA 3
BOILER 3
RPI
RVA
47.320
SM
SI
CALDAIA 3
BOILER 3
SR
PB Boiler pump
PZ1-n Zone pumps
TA1-n Zone Room thermostats
RL1-n Zone relay (two exchange contacts)
RPI Installation pump relay
BP By-pass
C ALBATROS RVA 47.320 regulator
L
TA1
TAn
RLn
RL1
PZ1 PZn
N
CRn
–
+
RVA 47.320 (SLAVE)
DO NOT REVERSE THE PPS CONNECTION POLARITY
R4
Scheda caldaia
Main PCB
SB
SB
SE
SE
–
CR
+
CR
ALBATROS TA
TA
Connettore inserito
Connector inserted
CALDAIA 1
BOILER 1
RL1
TA1
PZ1
PI
PB
SB
D.H.W. TANK
BOLLITORE
(separato)
(Separated)
LPB BUS
SR SB SM SE
CR1
– +
RVA 47.320 (MASTER)
RPI
PI
PB
Non invertire la polarità della connessione PPS
R3
Scheda caldaia Scheda caldaia
Main PCB
Main PCB
SB
SB
SE
SE
–
CR
+
CR
ALBATROS TA ALBATROS
TA
Connettore inserito
Connector inserted
CALDAIA 2 CALDAIA 3
BOILER 2 BOILER 3
ES
ENG
FR
RLn
BE
TAn
PZn
BP
PPS BUS
R2
SB
SB
SE
SE
–
CR
+
CR
TA
TA
Connettore inserito Connector inserted
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