Rotex A1 BG - Temperature Sensor; Tightening Torque

58
FA ROTEX A1 BGe - 02/2014
12 x Technical data
12.6 Temperature sensor
12.7 Tightening torque
R
S
Sensor resistance
t Temperature
NTC resistance
t
V
Flow temperature
t
R
Return flow temperature
t
AU
External temperature
t
DHW
Storage tank temperature
t
MI
Mixer circuit flow temperature
Pt 1000 resistance
t
AG
Flue gas temperature
Fig. 12-7 Resistance characteristics of the temperature sensor
Temperature sensor Measured temperature in °C
Type Specification *
-20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120
Sensor resistance in Ohm according to standard or manufacturer's indications
NTC t
V
, t
R
, t
AU
, t
DHW
, t
Mi
98660 56250 33210 20240 12710 8195 5416 3663 2530 1782 1278 932 690 519 395
PT-1000 t
AG
922 961 1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385 1423 1461
Tab. 12-5 Resistance values of the temperature sensor
* Key see fig. 12-7
Component Comment Tightening torque
in Nm
Fixing screw (burner flange / boiler body) 6
Fixing screw (venturi nozzle / burner blower) 3
Fixing screw (ignition electrodes / ionisation electrode) 3
Fixing screw (venturi nozzle / safety gas regulation block) 3
Fixing screw (safety gas regulation block / gas connection line) 2
Temperature probe and sensors all Max. 10
Hydraulic line connections (Water) Thread 1" 25 - 30
Tab. 12-6 Tightening torque