10
Initial start−up, inspection and maintenance
Further details regarding the individual steps
(cont.)
Checking venturi vacuum pressure
1.
Release the screw inside test
nipple
A
, but do not fully remove.
2.
Connect the U−shaped pressure
gauge to test nipple
A
(vacuum).
3.
Open the gas shut−off valve.
4.
Start up the burner (see page5).
5.
Simultaneously press
keysS
D
and
C
.
Please note:
Display
B
shows:
H
Status: d (=regular stop) and
H
Service: Level of modulation in
% (00.=100
%=full load,
00=0
%=partial load)
6.
Press key+
E
, until 00. shows in
the display.
Burner is now at max. output.
7.
Check the venturi vacuum
pressure.
Please note:
At full load, the vacuum pressure
should be
H
5.9mbar for natural gasE,
H
6.7mbar for natural gasLL.
During the adjustment, also
check the gas throughput by
means of a volumetric test.
8.
Record the actual values in the
service report (from page42).
9.
Press keysS
D
and
C
simultaneously.
Burner is now in operating mode.
10.
Close the gas shut−off valve.
11.
Remove the U−shaped pressure
gauge and close test nipple
A
.
¨
Safety instructions
Check the test nipple and fittings for
gas leaks.
5692541 GB
A
B
C
D
E
Summary of Contents for MatriX radiant burner
Page 35: ...35 Component summary Component summary 5692 541 GB B P N E O H K L M E F G A B C D...
Page 39: ...39 Parts list Parts list cont 5692 541 GB 006 007 003 002 036 036 035 036 009 001 5o 008 009...
Page 41: ...41 Appendix 5692 541 GB...
Page 43: ...43 Appendix Maint service Maint service Maint service Maint service 5692 541 GB...
Page 45: ...45 Appendix Maint service Maint service Maint service Maint service 5692 541 GB...
Page 47: ...47 Appendix Maint service Maint service Maint service Maint service 5692 541 GB...
