Idiomas disponibles
Idiomas disponibles
3.6.2
SYSTEM I6 - cascade operation of 2/3 boilers with external hot water tank and zone pumps
Hydraulic circuit
LPB BUS
SE
SC
RVA
43.222
MASTER
P1
LEGEND
SM
Cascade delivery probe (QAD21)
SE
Outdoor temperature probe (QAC31)
SB
Hot water tank probe (QAZ21)
SI
Hydraulic separator
SR
Cascade return probe (QAD21)
Wiring diagram
NO
C
2
L
C
NC
1
TMIN
PZ1
N
CRL1
CRLn
SC
MASTER
RLPB
PB
N
L
Per le pompe vedere i morsetti di appoggio in caldaia
For pumps, refer to supporting terminals on the boiler
92
SC
RVA
RVA
43.222
43.222
SLAVE 1
SLAVE 2
P2
PI
1-2-3
SC
PZ
1-n
TA
1-n
RLPB Hot water tank pump relay
Wiring must be performed inside the boi-
Il collegamento elettrico va eseguito
all'interno del pannello comandi
ler's control panel. For details please refer
della caldaia.
TA1
TAn
to the boiler's wiring diagram.
Per i dettagli consultare lo schema
elettrico della caldaia
PZn
RLn
RL1
LPB BUS
SE
SB
SM
–
+
ALBATROS RVA43.222
P1
Verso comandi accensione
Toward burner stage 1 and 2 ignition
I° e II° stadio bruciatore
commands Refer to boiler wiring
vedere schema elettrico caldaia
diagram.
SM
PB
SC
SI
TMIN
P3
SR
Boiler pumps
Boiler delivery probe (QAZ21)
Zone pumps
Zone room thermostats
SR
SC
–
ALBATROS RVA43.222
SLAVE 1
P2
N
L
Verso comandi accensione
Toward burner stage 1 and 2 ignition
I° e II° stadio bruciatore
commands Refer to boiler wiring
vedere schema elettrico caldaia
diagram.
RLn
RL1
TA1
TAn
PZ1
PZn
RLPB
SB
hot water tank
BOLLITORE
(separate)
(separato)
RL
Dual contact zone relays
1-n
TMIN Minimum cascade
return thermostat
LEGEND
SM
Cascade delivery probe (QAD21)
SE
Outdoor temperature probe (QAC31)
SB
Hot water tank probe (QAZ21)
PB
Hot water tank pump
SR
Cascade return probe (QAD21)
P
Boiler pumps
1-2-3
SC
Boiler delivery probe (QAZ21)
PZ
Zone pumps
1-n
TA
Zone room thermostats
1-n
RLPB Hot water tank pump relay
RL
Dual contact zone relays
1-n
TMIN Minimum cascade return thermostat
CRL
Clean zone contacts
1-n
Do not invert connection polarity
Non invertire la polarità della connessione
SC
+
ALBATROS RVA43.222
SLAVE 2
P3
N
L
Verso comandi accensione
Toward burner stage 1 and 2 ignition
I° e II° stadio bruciatore
commands Refer to boiler wiring
vedere schema elettrico caldaia
diagram.
–
+
