Uni FHU
(3)
Sensor unit
(4)
Cover
(5)
Indicator mark
(6)
Graduation figure
(7)
Handwheel
(8)
Capillary
(9)
Control piston
3.2
Functional description
The thermostatic sensor detects the room temperature. The room temper-
ature is transferred to the control piston via the capillary. The control piston
opens or closes the valve according to requirements.
3.3
Operating elements and displays
Set the desired room temperature at the handwheel (see Illustr. 1 on page
16) .
The symbols on the handwheel correspond to the following temperatures.
0
Fully closed
about 7°C (frost protection position)
1
about 12°C
2
about 16°C
3
about 20°C
4
about 24°C
5
about 28°C
3.4
Technical data
Control range
Graduation
Sensor element
Sensor temper-
ature
101259580-V01.01.2020
+7°C - +28°C
0 1 - 5
Liquid sensor
max. +50°C
Technical description
17