28
INSTALLATION
Block diagram 2: Circuit with thermal modules with their own circulator, connected in cascade. Using the secondary sensor.
EAF
EAF
PB
PI
P2
V2
S2
SC
PR
P3
V3
M
S3
UAC
SB
M
ZM
SS
P
SE
PC
Depending
PC
Thermal module circulator
PB
Storage cylinder circulator
PR
DHW circulation pump
PI
System circulator (high temperature zone)
P2
Zone 2 circulator (low temperature)
P3
Zone 3 circulator (low temperature)
S2
Zone 2 sensor
S3
Zone 3 sensor
SB
Boiler sensor
SE
Outdoor sensor
SS
Primary sensor
SC
Secondary sensor
V2
Mixer valve zone 2
V3
Mixer valve zone 3
ZM
Electronic device for zone management (accessory)
EAF
Domestic cold water inlet
UAC
Domestic hot water outlet