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3
DESCRIPTION
3.1
Characteristics
The SIME SRS room sensor is a functional and elegant system
accessory that is user-friendly, thanks to its broad LCD and 4
touch keys for navigating through the contents.
The sensor must be used in combination with a Sime remote con-
trol equipped with RF communication (e.g. SIME SMART HYBRID).
The main characteristics of the
room sensor include:
SIME SRS
– Radio frequency connection to the domestic network for
managing the system
– Operating mode selection (Infinite Manual/Automatic/Tem-
porary Manual/Off)
– Room set-point adjustment
– Visualisation of the system's operating mode (Heating/DHW/
Combined/Cooling)
– Continuous adjustment of the boiler's delivery temperature
with room compensation
– Calibration of the internal temperature sensor for correcting
any reading errors
– Visualisation of the current date and time
– Continuous visualisation of the room temperature
– Visualisation of anomalies sent to the management system
– Dry contact relay for activating the zone valve (if present)
– "Stand-by Mode" function for saving battery power.
NOTES:
In case of a power shortage, all the settings made will be stored
except for the date and time, which will be memorised for about
24 hours.
3.2
Specifications
Description
Power supply
Operating temperature
Relative humidity
Protection rating
Relay maximum load
(Single max load)
Room sensor
RF module
SIME SRS
2 x AA alkaline batteries
0°C / +50°C
0 – 60% at 40°C non-condensing
IP20
Normally open relay, 250 VAC 3A
cosФ = 1.
NTC 47kΩ@25°C Beta = 3960, ±1%
in the range [25°C – 85°C]
868 MHz
25
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