Checking The Nozzle Pressure - Buderus Logano GE434 Maintenance Instructions Manual

Heating system inspection and maintenance
8.7

Checking the nozzle pressure

! Release the plug of the test port on the burner
manifold (Fig. 24, Item 1) by two full turns.
! Push the test hose of the U-tube pressure gauge
onto the test port (Fig. 24, Item 1).
! Read off the nozzle pressure at the U-tube pressure
gauge, and compare the actual value with those in
Table 14 to Table 16, page 44.
Inform the customer service department, if the actual
value deviates by more than + 1 mbar from the set
value.
We reserve the right to make any changes due to technical modifications.
Commissioning and maintenance instructions Logano GE434 Gas-fired special boiler • Issue 02/2003
1
Fig. 24 Checking the nozzle pressure
Item 1: Test point on the burner manifold
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
8
43