EN
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
component in the room where the readings are to be taken,
follow the instructions provided on the packaging of the product
itself.
2.13.3 EXAMPLE of use of the command/control device
on some types of heating systems
KEY
M
System delivery
R
System return
U
Domestic hot water output
E
Domestic hot water inlet
CR
Remote control
EXP
Expansion card
SE
External sensor
TA
Air thermostat for boiler activation
TZ1÷TZ3 Air thermostat for the zone
VZ1-VZ3 Zone valves
RL1-RL3 Zone relays
P1-P3
Zone pump
SP
Hydraulic separator
ONE DIRECT ZONE system , external sensor and air thermostat.
SE
R
M
CR
TA
MULTI ZONE system - with pump, air thermostat and external
sensor.
TZ1
TA
RL1
SE
R
M
E
U
P1
SP
E
U
Fig. 23
TZ3
TZ2
RL2
RL3
P2
P3
Fig. 24
MULTI ZONE system - with zone valve, air thermostat and
external sensor.
TA
SE R
M
TZ1
E
U
VZ1
m
CAUTION
Set the parameter "tS 17 = DELAY SYSTEM PUMP
ACTIVATION to allow the opening of zone valve Vz.
TZ2
TZ3
VZ2
VZ3
Fig. 25
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