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Building Technologies Division  Basic Documentation LME7...   CC1P7105en 
Infrastructure & Cities Sector  19 PME73.840...  29.11.2011 
 
19.3 Connection diagram for LME73.000... with 
actuator SQM4... (example 1)  
 
Note: 
The connection diagram shown is merely an example which must be verified in the individual case 
depending on the application! 
PME73.840... 1-stage modulating 
 With/without pilot ignition 
 With/without valve proving 
X3X2X1
123
IV
III
5
M
III
I
213412345
6
I
VI
V
IV
III
II
7105d45e/1009
X2-09
SA-Z
SA-KL
SA-NL
SA-R
PE
Input Dbr3 for PV
Output PV
 
Figure 81: Connection diagram for LME73.000... with actuator SQM4... (example 1)