57
MYDENS 60
COSMOGAS
8.9 - Removing the air vent valve
Refer to Figure 8.9 and proceed as follows:
1.- close the plant load cock envisioned by the installer;
2. - take plant pressure to zero;
3.- access the internal components of the appliance
following chapter 8.2;
4.- unscrew and slide the air vent valve “A” upwards and
replace;
Figure 8.10 - Replacing the pump motor
8 - MAINTENANCE
Figure 8.9 - Removing the air vent valve
Figure 8.11 - Removing the central heating circuit
pressure sensor
8.11 - Removing the central
heating circuit pressure sensor
Proceed as follows, making reference to figure 8.11:
1.- empty the central heating circuit, following the procedure
in chapter 8.12;
2.- access the internal components of the appliance
following chapter 8.2;
3.- disconnect the connection cable from sensor “A”;
4.- extract the drive bar “B” as indicated in the figure;
5.- slide out and extract the pressure sensor “A” from the
fitting “C”, as indicated in the figure.
6.- replace the sensor, restoring the connections as
previously.
8.10 - Replacing the pump motor
If the circulation pump must be replaced, operate as follows
(refer to figure 8.10)
1.- empty the central heating circuit, following the procedure
in chapter 8.12;
2.- access the internal components of the appliance
following chapter 8.2;
3.- disconnect the pump electric power supply cable;
4.- loosen the screws “B”;
5.- extract the pump “A” outwards;
6.- replace it, paying attention to the correct positioning
of the internal gasket and re-connect the power supply
cable.
A
020005.01.011
C A
B
020005.01.012
C
B
A
020005.01.013
Содержание MYDENS 60
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