6
Starting up the heating system
Logano GB125 BE US/CA - Subject to technical modifications.
33
6.5
Starting up the control panel and the burner
For further start-up steps, follow the burner start-up
sequence. Refer to the burner documentation for details.
Turn the control panel power switch to the "ON" position
[2]. The burner starts up if the system is calling for heat or
if you set the control panel to manual mode (
Æ
Control
panel servicing instructions).
B
Select "Manual" mode
.
B
Set the boiler-water temperature control [1] to the
desired temperature.
Fig. 34 Switching on the control panel
1
Boiler aquastat
2
On-off switch
6.6
Taking measurements
Allow burner to operate for 15 to 20 minutes before
performing a combustion test. Earlier combustion tests
can lead to incorrect readings as a result of burning off the
sealant rope. We recommend rechecking the burner after
a few weeks of operation.
Required instruments:
• CO
2
measuring equipment
• Meter to measure draught
• Oil pressure gauge 0-350 psi (25 bar)
• Flue gas temperature sensor
• Smoke tester
B
Check the combustion chamber pressure at the
pressure test port [1].
B
Check draught via the test port on the combustion air
intake/flue gas connections (
Æ
Fig. 13, page 18).
B
Make all additional measurements according to the
burner documentation.
Fig. 35 Pressure test port on burner door
1
Pressure test port
The manual reset high limit (STB) comes
tripped and must be reset prior to start-up.
To reset, unscrew cap on the side of the
housing and depress green button. Replace
cap.
AU
T
190 160
140
120
AU
T
190 160
140
120
1
2
6720641158.1TL
Incorrect burner adjustment can cause
contamination of the boiler (e.g. soot). Faults
may occur more often than normal.
B
Always check combustion with the
following instruments.
B
Never adjust burner visually.
1
7 747 019 141-29.1RS
