Publicidad
Idiomas disponibles
Idiomas disponibles
3.5. 1
SYSTEM I3 - 2/3 boilers in cascade with heating only 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)
PI
System pump
SI
Hydraulic separator
Wiring diagram
L
TA1
TAn
VZ1
VZn
RL1
N
CRL1
CRLn
SC
MASTER
P1
N
L
Toward burner stage 1 and 2 ignition
Verso comandi accensione
commands Refer to boiler wiring
vedere schema elettrico caldaia
For pumps, refer to supporting terminals on the boiler
Per le pompe vedere i morsetti di appoggio in caldaia
88
SC
RVA
RVA
43.222
43.222
SLAVE 1
SLAVE 2
P2
SR
Cascade return probe (QAD21)
PI
Boiler pumps
1-2-3
SC
Boiler delivery probe (QAZ21)
VZ1-N Zone valves
Wiring must be performed inside the boi-
TMIN
2
Il collegamento elettrico va eseguito
ler's control panel. For details please refer
C
all'interno del pannello comandi della caldaia.
to the boiler's wiring diagram.
1
Per i dettagli consultare lo schema elettrico
della caldaia
RLn
PI
LPB BUS
SM
SE
–
+
ALBATROS RVA43.222
SLAVE 1
N
L
I° e II° stadio bruciatore
diagram.
PI
SM
SC
SI
TMIN
P3
SR
SR
SC
–
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
TA1-N Room thermostats
RL1-N Dual contact zone relays
TMIN Minimum cascade return thermostat
BP
Bypass
LEGEND
SM
Cascade delivery probe (QAD21)
SE
Outdoor temperature probe (QAC31)
PI
System pump
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
RL
Dual contact zone relays
1-n
CRL
Clean zone contacts
1-n
TMIN Minimum cascade return thermostat
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
BP
–
+
diagram.
Publicidad
