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.
SE
M
CR
TA
Mb Rb
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.
74
R
SB
Fig. 23
ONE DIRECT ZONE system , external sensor and air thermo-
stat or, alternatively, remote control.
SE
M
R
CR
TA
MULTI ZONE system -with pump, air thermostat and exter-
nal sensor.
TA1
TA
RL1
SE
M
R
P1
SI
MULTI ZONE system -with zone valve, air thermostat and ex-
ternal sensor.
TA
TA1
SE
M
R
VZ1
m
CAUTION
Set the parameter "tS 17 = DELAY SYSTEM PUMP
ACTIVATION to allow the opening of zone valve Vz.
EN
Fig. 24
TA3
TA2
RL2
RL3
P2
P3
Fig. 25
TA2
TA3
VZ2
VZ3
Fig. 26