10Recording Actual Values - Buderus Logano GE434 Maintenance Instructions Manual

Heating system start-up
6.1.10 Recording actual values
Install a test port in the flue pipe (Fig. 10, Item 1) to carry
out the following tests. The distance from the draught
hood must be equal to twice the flue pipe diameter (AA).
If the flue pipe immediately downstream of the boiler is
connected with a bend, install the test port upstream of
the bend.
! Install the flue pipe test port (Fig. 10, Item 1) on the
side towards the boiler. For this purpose, drill a 8 mm
hole into the flue pipe.
! Carry out the following tests at the flue pipe test port:
– Draught
– Flue gas loss
– Carbon monoxide content
PLEASE NOTE
The following tools are required to carry
out these tests:
– flue gas thermometer
– U-tube
– fine draught pressure gauge (chimney
draught)
! Insert the test probe into the core of the flue gas flow.
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
ø AA
Fig. 10 Recording actual values
Item 1: Flue pipe test port
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
6
27