Sime C Serie Manual De Instrucciones página 89

3.5.2 SYSTEM I4 - 2/3 boiler cascade for heating only with zone pumps
Hydraulic circuit
LPB BUS
SE
SC
RVA
43.222
MASTER
P1
LEGEND
SM Cascade delivery probe (QAD21)
SE Outdoor temperature probe (QAC31)
SI Hydraulic separator
Wiring diagram
2
L C
1 TA1
TMIN
PZ1
RL1
N
CRL1 CRLn
SC
MASTER
P1
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
Per le pompe vedere i morsetti di appoggio in caldaia
For pumps, refer to supporting terminals on the boiler
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)
VZ Zone pumps
1-n
Wiring must be performed inside the boi-
Il collegamento elettrico va eseguito
ler's control panel. For details please refer
all'interno del pannello comandi della caldaia.
to the boiler's wiring diagram.
Per i dettagli consultare lo schema elettrico
della caldaia
TAn
PZn
RLn
LPB BUS
SM SE
SC
– +
ALBATROS RVA43.222
SLAVE 1
N
L
diagram.
SM
SC
SI
TMIN
P3
SR
LEGEND
SM
SE
SR
PI
SC
PZ
TA
RL
CRL
TMIN Minimum cascade return thermostat
SR
– +
ALBATROS RVA43.222
P3
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
TAn
TA1
PZn
PZ1
TA Room thermostats
1-n
RL Dual contact zone relays
1-n
TMIN Minimum cascade
return thermostat
Cascade delivery probe (QAD21)
Outdoor temperature probe (QAC31)
Cascade return probe (QAD21)
Boiler pumps
1-2-3
Boiler delivery probe (QAZ21)
Zone pumps
1-n
Room thermostats
1-n
Dual contact zone relays
1-n
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.
– +
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