EN
26
Without buf
fer tank, the minimum water
content must be pr
ovided by the system.
(See section 1 of this manual)
OUTDOOR UNIT iSERIES
(model XX)
ANY OTHER
DIRECT
EXP
ANSION
UNITS
BUFFER T
ANK
HYDRAULIC BREAKER
DHW
DCW
DCW
DHW Kit
DHW storage
for heat pump
DIRECT EXP
ANSION UNIT
WITH IR CONTROL
THERMOST
A
T /
CHRONOTHERMOST
A
T
COPLANAR
COLLECTOR
HIGH EFFICIENCY
RADIA
TORS
Single thermal zone
(temperatur
e and r
elative humidity)
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
thr
ee way valve
temperatur
e sensor
water softener
Thermal zone 3
(only temperatur
e)
HYDRONIC HEA
TING WITH AQUA UNIT AND COOLING WITH DIRECT EXP
ANSION UNIT
, SINGLE THERMAL ZONE.
DHW PRODUCTION WITH “KIT ACS” AND T
ANK.