COSMOGAS MYDENS, Installation, Use And Maintenance Manual

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59 MYDENS
COSMOGAS
8.8 - Removing the air vent valve
Refer to Figure 8.8 and proceed as follows:
1.- empty the central heating circuit, following the procedure
in chapter 8.16;
2.- access the internal components of the appliance
following chapter 8.2;
3.- remove the pipe “A” from the air vent valve “B”;
4.- slide the drive bar “C” towards the front;
5.- slide the air vent valve “B” upwards and extract it
8.9 - Replacing the pump motor
If the circulation pump must be replaced, operate as follows
(refer to figure 8.9)
1.- empty the central heating circuit, following the procedure
in chapter 8.16;
2.- access the internal components of the appliance
following chapter 8.2;
3.- disconnect the electric wires from the pump body.
4.- remove the screws “B”;
5.- extract the pump “C” outwards;
8.10 - Removing the central
heating circuit pressure sensor
Proceed as follows, making reference to figure 8.10:
1.- empty the central heating circuit, following the procedure
in chapter 8.16;
2.- access the internal components of the appliance
following chapter 8.2;
3.- extract the drive bar “A” towards the front;
4.- slide the pressure sensor “B” upwards and extract it.
Figure 8.9 - Replacing the pump motor
C
A
B
020002.01.026
8 - MAINTENANCE
A B
C
020002.01.035
Figure 8.8 - Removing the air vent valve
Figure 8.10 - Removing the central heating circuit
pressure sensor
A
B
020002.01.036