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 T ErP Manual De Instalación Y Mantenimiento

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
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 Air thermostat for boiler activation
TZ1÷TZ3 Air thermostat for the zone
VZ1-VZ3 Zone valves
RL1-RL3 Zone relays
P1-P3 Zone pump
TSB Low temperature safety thermostat
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 remote
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
Professionally Qualified Personnel during the boiler
commissioning phase.
80
R
SB
Fig. 24
ONE DIRECT ZONE system , external sensor and air thermostat.
SE
M R
CR TA
MULTI ZONE system - with pump, air thermostat and external
sensor.
TZ1
TA
RL1
SE M R
P1
SP
MULTI ZONE system - with zone valve, air thermostat and
external sensor.
TA
TZ1
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. 25
TZ2 TZ3
RL2 RL3
P2 P3
Fig. 26
TZ2 TZ3
VZ2 VZ3
Fig. 27