Installation Instructions

53
10
1
10 30 50 70 90 110
Temperature in °C
0.4
0.6
0.8
2
4
6
8
20
Resistance in kΩ
2. Compare the sensor resistance with
the curve.
3. Replace the sensor in the case of
severe deviation.
Checking the temperature limiter
A
If the burner control unit cannot be reset
after a fault shutdown, although the
boiler water temperature is below
approx. 95 °C, check the temperature
limiter.
1. Pull the leads from temperature lim-
iter
A
.
2. Check the continuity of the tempera-
ture limiter with a multimeter.
3. Remove the faulty temperature lim-
iter.
4. Install a new temperature limiter.
5. Press "Reset" at the control unit (see
page 48).
Troubleshooting
Repairs
(cont.)
5609 059 GB
Service