...
Parameter
...
Range
...
Ambient operating temperature
...
0 to 40°C, max 70% rH
...
Flow pipe temperature
...
75°C max
...
Transportation & storage temperature range
...
-20 to +65°C, max 70% rH
...
Dimensions (LWH)
...
83 x 60 x 64 mm (63 x 60 x 64 without valve connector)
...
Weight
...
280 g (not including packing)
...
Operation at high altitude
...
Max 2000 m / 6500 ft above sea level
...
Max pin stroke (calibration range)
...
> 5.5 mm
...
Operating pin stroke (0-100%)
...
2.56 mm typical
...
Pin Stroke Resolution
...
Steps of 1%
...
Adjustment speed
...
0.727 mm/s typical
...
Stall force
...
100N
...
Noise level
...
< 35 dB(A) @ 70 N load
...
Radio Communication Interval (default)
...
10 minutes
...
Radio Communication Interval during Installation Cycle
...
10 seconds for 5 minutes
...
Radio Communication attempt Interval (after join fail or 6 consecutive communication fails)
...
3 * 10 seconds
Then 2 minutes
Then 60 minutes
...
Valve protection and Auto-off when active but not installed on valve body
...
Every 6 weeks: Execute run-in sequence.
On pass return to previous position.
On fail enter mounting position, communicate OFF and shut down.
...
Antifreeze
...
Valve side sensor <= 6°C
...
Safe position default
...
Depending on Safety Mode:
Either default temperature setpoint
Or default valve position
Default: Setpoint Ambient 20°C
...
Operating Modes
...
Valve Position [%]
Target Ambient Temperature (°C)
Default: Valve Position
...
Accuracy of internal valve side temperature sensor
...
±0.5°C
...
Accuracy of internal ambient temperature sensor
...
±0.5ºC
...
Default offset of internal valve-side temperature sensor
...
+5K
(Added to the raw sensor value FSRV)
...
Energy storage
...
LTO (Nominal 500mAh)
...
Energy generation minimum requirement
...
90 days / year @ 45ºC flow pipe temperature
...
Battery voltage flag (ES)
...
Battery-low flag will be set
when battery voltage drops below 2.3V
Conformity
...
UKCA:
EN 300 220-2 V3.1.1
EN 301 489-1 V1.9.2
EN 55014-1:2017
EN 55014-2:1997/A1:2001/A2:2008/AC:1992
EN 62479:2010
EN 60335-1:2012/AC:2014/A11:2014
EN IEC 63000:2018
...
Radio specification
868.0 - 868.6 MHz, 14 dBm
...
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