7
Commissioning the heating system
Logano plus GB402 - Subject to technical modifications!
33
7.8.3
Accessing the service level on the RC35 and
displaying monitoring data
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
monitor
value
is selected (marked with
).
B
Press
to open the
DIAGNOSIS/MON. VALUE
menu.
B
Turn rotary selector
anticlockwise until
boiler /
burner
is selected (marked with
).
B
Press to
open
BOILER / BURNER
menu.
The values monitored are displayed as a list; in other
words, more values might appear if the rotary selector
is turned.
The current burner output (set/actual) and the flame
current can be checked in these menus.
7.9
Testing the gas supply pressure
B
Undo the threaded plug on the test nipple for gas
supply pressure and venting by two turns.
B
Push the test hose of the pressure gauge onto
pressure test nipple [1].
B
With the burner operational (high load), check the gas
supply pressure and record the value in the
commissioning report (
Æ
Chapter 7.18).
B
If the gas supply pressure falls outside the values in
Tab. 10, shut down the boiler and notify the gas supply
utility.
B
Remove the test hose.
B
Carefully tighten the threaded plug on the test nipple
for gas supply pressure.
Fig. 31 Testing the gas supply pressure
1
Pressure test nipple for testing the gas supply pressure
and for venting
SERVICE MENU
quick operation
settings
diagnosis
servicing
B
SERVICE/DIAGNOSIS
function test
B
monitor value
diagnosis
servicing
DIAGNOSIS/MON. VALUE
boiler / burner
B
domestic hot water
heating circuit 1
bus users
If the burner is switched off from a high load
and a gas supply pressure of > 50 mbar
results, shut down the boiler and notify the
gas supply utility (do not proceed with
commissioning).
Country
Gas type
Supply pressure at
high loads
1)
[mbar]
1) The gas supplier must guarantee the minimum and maximum
pressures (acc. to national regulations for public gas supply).
Min
Rated
Max
AT, BE, BA, BG,
BY, CH, CN, CZ,
DE, DK, EE, ES,
FR, GB, GR, HR,
IE, IT, LU, NO,
PL, PT, RO, RU,
SE, SI, SK, UA
Natural gas H or
natural gas L
(G25)
Natural gas L
W
(formerly
GZ41.5, except
320 kW)
17
PL:16
20
25
NL
Natural gas L
(G25)
20
25
30
HU
Natural gas H
(G20) natural
gas L (G25.1,
except 320 kW)
20
25
33
Tab. 10 Gas types and supply pressures
For higher supply pressures than shown in
Tab. 10, Buderus offers additional gas
pressure regulators as accessories.
