7.3
Standard inspection and maintenance operations
CAUTION
4
During inspection and maintenance operations,
always replace all gaskets on the parts removed.
4
If the device is subjected to intensive use at high
temperatures (flow temperature > 80℃), the level of
stress placed on several parts will be higher than
during normal use. You should therefore carefully
check parts such as the non-return valve, flue gas
pipe, air inlet pipe and siphon. Replace parts if
required.
7.3.1.
Checking the hydraulic pressure
The hydraulic pressure must reach a minimum of 0.8 bar. For open
vented systems, the water pressure must be at least 0.3 bar (Q30/
Q45/Q65/Q90) or 0.5 bar (Q115) bar. If the water pressure is too low,
the symbol
e
will appear.
If necessary, top up the water level in the heating system
(recommended hydraulic pressure between 1.5 and 2 bar).
7.3.2.
Checking the ionization current
Check the ionization current at full load and low load. The value is
stable after 1 minute. If the value is less than 4 µA, clean or replace
the ignition electrode.
¼
See chapter: "Reading the various current values", page 52.
7.3.3.
Checking the tightness of the flue gas
evacuation and air inlet connections
4
Check the tightness of the flue gases evacuation and air inlet
connections.
T001580-A
Quinta Pro 30 - 45 - 65 - 90 - 115
7. Checking and maintenance
250413 - 123157-03
65
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