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Building Technologies Division
Basic Documentation LME7...
CC1P7105en
Infrastructure & Cities Sector
16 PME73.820...
29.11.2011
16.2.3 Gas direct ignition 1 (G), 1-stage, with valve proving
SV
V1
Program
G
Gas direct 1-stage, with valve proving
X7-04
LME73.000...
V2
X7-02
Figure 49: Connection diagram fuel train gas direct ignition 1 (G), 1-stage, with valve proving
16.2.4 Gas direct ignition (G), 2-stage, with valve proving
SV
V1
Program
G
Gas direct 2-stage, with valve proving
X7-01
LME73.000...
V2a
V2
X7-02
X7-04
Figure 50: Connection diagram fuel train gas direct ignition (G), 2-stage, with valve proving
Note:
When valve proving is activated (e.g. on shutdown), the load on the valve’s
terminals (according to chapter
Technical data/Terminal rating Outputs
) is
restricted.
Fuel valve 1 X7-04 pin 4/fuel valve 2 X7-02 pin 3/auxiliary output AUX
Rated voltage
AC 120 V
AC 230 V
50/60 Hz
50/60 Hz
Rated current
1 A
1 A
Power
factor
cos
>0.4
cos
>0.4
If the terminal load (according to chapter
Technical data/Terminal rating
Outputs
) is not reduced (max. rated current 2 A, cos
>0.4), the design
lifetime will be reached after about 100,000 burner startup cycles!