IT
ES
2.8. 1
Electrical sequence/cascade and safety kit connection (fig. 7/b)
GB
SECTION
CALDAIA 1
BOILER 1
SECTION
BOILER 1
KEY
L
Line
N
Neutral
TS Safety thermostat 100°C
PA Water pressure switch
C
RVA 47 regulator
R1 536 Ohm resistance (1)
68
DEWY EQUIPE 120/P200/P160
CALDAIA 2
BOILER 2
R4
R3
BOILER 2
R2 562 Ohm resistance (1)
R3 604 Ohm resistance (1)
R4 649 Ohm resistance (1)
(1) Resistances are supplied in RVA 47
"DEWY EQUIPE P200 - 300 - 400 BOX"
DEWY EQUIPE 180/P300/P260
CALDAIA 3
BOILER 3
"DEWY EQUIPE P500 - 600 BOX"
DEWY EQUIPE 300/P500/P460
R2
BOILER 3
BOILER 1
sequence/cascade
kit
8096301/08.
DEWY EQUIPE 240/P400/P360
CALDAIA 4
BOILER 4
DEWY EQUIPE 360/P600/P560
R4
R3
BOILER 2
NOTE: To connect other accessories to the
RVA 47 regulator (system pump, outdoor
temperature probe, cascade supply probe,
etc.) see the manual supplied with specific
kit code 8096301/08.
code
R2
BOILER 3
Fig. 7/b