2.13.2 Chrono-Thermostat Or Air Thermostat; Example Of Use Of The Command/Control Device On Some Types Of Heating Systems - Sime BRAVA SLIM HE 25/55 Manual De Instalación Y Mantenimiento

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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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