Pentair Raychem T-M-20-S Mode D'emploi page 6

Figure 1
L
N
PE
Max
C10 A
30 mA
If the thermostat is used as a surface thermostat, a safe contact
between the sensor and the surface is necessary. Take care that
the sensors are positioned correctly. Control sensor for control
function (labeled with "C") and limiter sensor to detect the upper
temperature limit (labeled with "L").
Bulb positioning:
Controller
Limiter
6
Controller
1
4 2
1 2 3 4 5
Heating cable
A
90°
10 mm insulation
material for
artificial hot spot
at limiter bulb
Limiter
1
2 4
6 7 8
B C
Bulb
Heating element
Insulation material