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Idiomas disponibles
Idiomas disponibles
3.6. 1
SYSTEM I5 - cascade operation of 2/3 boilers with external hot water tank and zone valves
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
Wiring diagram
L
TAn
TA1
VZ1
VZn
RL1
N
SC
CRL1
CRLn
SB
MASTER
RLPB
PB
P1
N
L
Verso comandi accensione
Toward burner stage 1 and 2 ignition
commands Refer to boiler wiring
vedere schema elettrico caldaia
Per le pompe vedere i morsetti di appoggio in caldaia
For pumps, refer to supporting terminals on the boiler
SC
SC
RVA
RVA
43.222
43.222
SLAVE 1
SLAVE 2
P2
P3
SR
Cascade return probe (QAD21)
PI
Boiler pumps
1-2-3
SC
Boiler delivery probe (QAZ21)
VZ
Zone valves
1-n
TA
Room thermostats
1-n
NO
TMIN
C
2
Wiring must be performed inside the boi-
Il collegamento elettrico va eseguito
C
NC
ler's control panel. For details please refer
all'interno del pannello comandi
1
della caldaia.
to the boiler's wiring diagram.
Per i dettagli consultare lo schema
elettrico della caldaia
RLn
PI
LPB BUS
SE
SM
SC
–
+
ALBATROS RVA43.222
SLAVE 1
N
L
I° e II° stadio bruciatore
diagram.
RLPB
PB
SM
SB
SI
TMIN
hot water tank
BOLLITORE
(separato)
(separate)
SR
SR
–
+
ALBATROS RVA43.222
P2
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.
RL1
RLn
TA1
TAn
VZ1
VZn
PI
RLPB Hot water tank pump relay
RL
Dual contact zone relays
1-n
TMIN Minimum cascade return thermostat
BP
Bypass
PI
System pump
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)
VZ
Zone valves
1-n
TA
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
PI
System pump
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.
BP
–
+
91
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