Dometic EA 3080 Service Manual page 19

- Unscrew securing screw of boiler-insulation. (Figure 68)
- Turn metal casing of boiler-insulation so that the joint rim becomes visible.
- While slightly pressing the metal casing of the boiler-insulation, detach the
rims. (Figure 69)
- Turn out insulation – metal casing and rock wool together – from under the
boiler. (Figure 70)
Figure 68
- Loosen screw securing the element, pull out heating element upwards. If
the heating element is jammed in the heating tube, then push it out from
below with a screwdriver.
Figure 71
- Installing the new heating element is done in reverse order. The
heating element must be securely fixed.
- Attention ! The capacity of a heating element with "fuzzy logic" control is
different from those with electromechanical control!
- The boiler-insulation can be reinserted by turning it in. The rims must be
snapped together by slightly pressing the metal casing.
- Turn in boiler-insulation so that the securing bore is in the correct position.
- Attach boiler-insulation to back panel with securing screw.
- Adjust wires.
- Connect electrical connections at the appropriate points.
- Snap it back into printed circuit board. When replacing, make sure that the
driving shaft jointing fits in the potentiometer's bore.
- Secure wire clamp.
- Reinsert electrical cover, secure with screws.
- Place refrigerator in upright position. Check that that thermostat switch
turns freely in the entire control range.
- Check electrical insulation resistance (with 1000-V electrical insulation
resistance metering device.)
The insulation resistance R
Other composition: see section 3
Figure 69
(Figure 71,72,73)
Figure 72
> 2Mohm
INS
19
Figure 70
Figure 73