Checking the nozzle pressure
A Test connector
B Cap
C Screw
D Phillips screw
1. Close the gas shut-off valve.
2. Release the screw inside test
connector A, but do not remove,
then connect the pressure gauge.
3. Open the gas shut-off valve. Start
the boiler.
4. Select the upper rated output.
Constant temperature control
unit:
K + d press simultaneously:
"1" is shown.
a press:
"2" is shown.
Weather-compensated control
unit:
K + d press simultaneously:
"Relay test" and then
"Base load" is shown.
a "Full load" is shown.
5. Remove cap B from the gas
train.
6. Test the nozzle pressure at the
upper rated output. In case of
deviations from the value
shown in the following table,
adjust the nozzle pressure for the
upper rated output at screw C
(SW 10).
7. Press d.
Operation with the upper output is
terminated.
8. Select the lower rated output.
Constant temperature control
unit:
K + d press simultaneously:
"1" is shown.
Weather-compensated control
unit:
K + d press simultaneously:
"Relay test" and then
"Base load" is shown.
To Next Page
Loading...
