RLPB
Il collegamento elettrico va eseguito
all'interno del pannello comandi
della caldaia.
Per i dettagli consultare lo schema
elettrico della caldaia
Per le pompe vedere i morsetti di appoggio in caldaia
RLn
TAn
RL1
TA1
N
L
SC
A6
MD
MB
M
DB
B9
B10/70/4
B3
B2
H1
SE
F1
Q1
Q3/y3
L
N
N
L
ALBATROS RVA43.222
P1
E1
K5
F5
K4
F4
Verso comandi accensione
I° e II° stadio bruciatore
vedere schema elettrico caldaia
SM
CRL1
CRLn
SC
A6
MD
MB
M
DB
B9
B10/70/4
B3
B2
H1
F1
Q1
Q3/y3
L
N
N
L
ALBATROS RVA43.222
P2
E1
K5
F5
K4
F4
Verso comandi accensione
I° e II° stadio bruciatore
vedere schema elettrico caldaia
SR
SC
A6
MD
MB
M
DB
B9
B10/70/4
B3
B2
H1
F1
Q1
Q3/y3
L
N
N
L
ALBATROS RVA43.222
P3
E1
K5
F5
K4
F4
Verso comandi accensione
I° e II° stadio bruciatore
vedere schema elettrico caldaia
–+ –+ –+
LPB BUS Non invertire la polarità della connessione
PZ1
PZn
C
2
1
TMIN
PB
NO
NC
C
SB
MASTER
SLAVE 1
SLAVE 2
3.6.2 SYSTEM I6 - cascade operation of 2/3 boilers with external hot water tank and zone pumps
Hydraulic circuit
hot water tank
(separate)
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)
PI
1-2-3 Boiler pumps
SC Boiler delivery probe (QAZ21)
PZ
1-n Zone pumps
TA
1-n Zone room thermostats
RLPB Hot water tank pump relay
RL
1-n Dual contact zone relays
TMIN Minimum cascade
return thermostat
Wiring diagram 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
1-2-3 Boiler pumps
SC Boiler delivery probe (QAZ21)
PZ
1-n Zone pumps
TA
1-n Zone room thermostats
RLPB Hot water tank pump relay
RL
1-n Dual contact zone relays
TMIN Minimum cascade return thermostat
CRL
1-n Clean zone contacts
Wiring must be performed inside the boi-
ler’s control panel. For details please refer
to the boiler’s wiring diagram.
Do not invert connection polarity
Toward burner stage 1 and 2 ignition
commands Refer to boiler wiring
diagram.
Toward burner stage 1 and 2 ignition
commands Refer to boiler wiring
diagram.
Toward burner stage 1 and 2 ignition
commands Refer to boiler wiring
diagram.
For pumps, refer to supporting terminals on the boiler