19
2.13.2 Chrono-thermostat or air Thermostat
the electrical connection of the chrono-thermostat or air
thermostat has already been described. When fitting the com-
ponent in the room where the readings are to be taken, follow
the instructions provided on the packaging of the product it-
self.
2.13.3 EXaMpLE of use of the command/control
device on some types of heating systems
KeY
m
system delivery
R
system return
mb
Hot water tank delivery
Rb
Hot water tank return
CR
Remote control
eXP
expansion card
se
external sensor
sB
Hot water tank sensor
ta÷ta3 air thermostat for the zone
VZ1-VZ3 Zone valves
Rl1-Rl3 Zone relays
P1-P3 Zone pump
sI
Hydraulic separator
ONE DiRECT zONE system and REMOTE HOT waTER TaNK,
external sensor and air thermostat or, alternatively, remote
control.
R
M
Mb Rb
SE
TA
CR
SB
Fig. 23
m
CaUTiON
the boiler is pre-arranged for connection to a re-
mote hot water tank. to use the boiler for HeatInG
onlY:
– disconnect the hot water tank sensor (sB)
– set "PaR 02 = HYdRaulIC ConFIGuRatIon" to 1.
this operation must only be carried out by Profes-
sionally Qualified Personnel during the boiler com-
missioning phase.
ONE DiRECT zONE system , external sensor and air thermo-
stat or, alternatively, remote control.
R
M
SE
TA
CR
Fig. 24
MULTi zONE system -with pump, air thermostat and exter-
nal sensor.
TA
SE
TA2
TA3
TA1
P3
RL1
SI
RL2
RL3
P2
P1
R
M
Fig. 25
MULTi zONE system -with zone valve, air thermostat and ex-
ternal sensor.
TA
TA1
VZ1
VZ2
VZ3
TA2
TA3
SE
R
M
Fig. 26
m
CaUTiON
set the parameter "ts 17 = delaY sYstem PumP
aCtIVatIon to allow the opening of zone valve Vz.
