EN
21
6 - SYSTEM LAYOUT
OUTDOOR UNIT iSERIES
(model XX)
OUTDOOR
SENSOR
(optional)
SOLAR
REGULA
TOR
BUFFER T
ANK
Single thermal zone
(only temperatur
e)
ROOM THERMOST
A
T
Without buf
fer tank, the minimum water
content must be pr
ovided by the system.
(See section 1 of this manual)
DHW
DCW
DCW
on/of
f valve
nonr
etur
n valve
safety valve
mesh filter
thermostatic mixer
flow switch
safety thermostat
dial thermometer
pr
essur
e r
educing valve
dial manometer
water softener
ONL
Y HYDRONIC HEA
TING WITH AQUA UNIT
, SINGLE THERMAL ZONE.
DHW PRODUCTION WITH EMIX T
ANK AND BACKUP HEA
TING WITH THERMAL SOLAR.