7
Commissioning the heating system
Logano plus GB402 - Subject to technical modifications!
36
7.14
Function checks
During commissioning and the annual inspection, check
all regulating, control and safety equipment for correct
function and, where applicable, for the correct settings.
7.14.1 Checking the ionisation current
(flame current)
Accessing the service level on the RC35
B
Open flap on RC35.
B
Press
+
+
simultaneously to open the
SERVICE MENU
menu.
B
Turn rotary selector
anticlockwise until
diagnosis
is selected (marked with
).
B
Press
to open the
SERVICE/DIAGNOSIS
menu.
B
Turn rotary selector
anticlockwise until
diagnosis
is selected (marked with
).
B
Press
to open the
SERVICE/DIAGNOSIS
menu.
B
Hold down
and turn rotary selector
simultaneously to change the setting, e.g. flame
current.
The change takes effect when you release the key.
B
Check the ionisation current and enter the value into
the commissioning report (
Æ
Chapter 7.18).
To ensure fault-free operation, the ionisation current at
partial and full load (and with burning flame) should be
at least 15 μA.
B
Return to operating mode on the RC35.
B
Close the flap on the RC35.
7.15
Checking for leaks during operation
B
With the burner operational, use a foaming agent to
test all sealed points in the entire burner gas train, such
as:
• Test nipple
• Threaded plug for gas supply pressure
• Fittings (also at the gas connection) etc.
The agent must be approved for gas tightness testing.
The menu items shown will vary depending
on the heating system.
SERVICE MENU
quick operation
settings
diagnosis
servicing
B
CAUTION:
Risk of system damage due to
short circuit.
B
Cover the areas at risk before performing a
tightness test, e.g. the internal water
pressure sensor and the return sensor on
the boiler return.
B
Never spray leak detection agent onto
cable entries, plugs or electrical cables.
Do not allow it to drip onto them either.
B
To prevent corrosion, carefully wipe off the
leak detection agent afterwards.
