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Building Technologies Division
Basic Documentation LME7...
CC1P7105en
Infrastructure & Cities Sector
17 PME73.830...
29.11.2011
17.1.3 Gas pilot ignition 1 (Gp1/2), 1-stage, with valve proving
SV
V1
Program
Gp1/2
Gas pilot 1, 1-stage
PV
X7-01
X7-04
V2
X7-02
LME73.000...
Figure 58: Connection diagram fuel train gas pilot ignition 1 (Gp1/2), 1-stage, with valve proving
17.1.4 Gas direct ignition 1 (Gp1/2), 1-stage, with valve proving
SV
V1
Program
Gp1/2
Gas direct 1, 1-stage
V2
X7-02
LME73.000...
X7-04
X7-01
Figure 59: Connection diagram fuel train gas direct ignition 1 (Gp1/2), 1-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!