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Building Technologies   Basic documentation LMV37.4...  CC1P7546en 
  8 Selection of operating mode  17.12.2018 
 
Operating mode 
parameter 201 
Fuel train 
Fuel-air ratio 
control 
Fuel actuator 
Air actuator 
Feedback signal 
VSD 
Description 
1  G mod 
Modulating 
electronic 
●  ●  ● 
Gas direct ignition, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
2  Gp1 mod 
Modulating 
electronic 
●  ●  ● 
Gas pilot ignition 1, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
3  Gp2 mod 
Modulating 
electronic 
●  ●  ● 
Gas pilot ignition 2, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
4  Lo mod 
Modulating 
electronic 
●  ●  ● 
Oil direct ignition, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
5  Lo 2-stage  2-stage    ●  ● 
Oil direct ignition, electronic 2-stage ratio control. 
Optional with VSD with speed feedback signal 
6  Lo 3-stage  3-stage    ●  ● 
Oil direct ignition, electronic 3-stage ratio control. 
Optional with VSD with speed feedback signal 
7  G mod pneu 
Modulating 
pneumatic 
  ●   
Gas direct ignition, pneumatic modulating ratio control. 
Optional with VSD. 
8 
Gp1 mod 
pneu 
Modulating 
pneumatic 
  ●   
Gas pilot ignition 1, pneumatic modulating ratio control. 
Optional with VSD. 
9 
Gp2 mod 
pneu 
Modulating 
pneumatic 
  ●   
Gas pilot ignition 2, pneumatic modulating ratio control. 
Optional with VSD. 
10  LoGp mod 
Modulating 
electronic 
●  ●  ● 
Oil pilot ignition, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
11  LoGp 2-stage  2-stage    ●  ● 
Oil pilot ignition, electronic 2-stage ratio control. 
Optional with VSD with speed feedback signal 
12 
Lo mod 2 fuel 
valves 
Modulating 
electronic 
●  ●  ● 
Oil direct ignition, 2 fuel valves, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
13 
LoGp mod 2 
fuel valves 
Modulating 
electronic 
●  ●  ● 
Oil pilot ignition, 2 fuel valves, electronic modulating ratio control. 
Optional with VSD with speed feedback signal 
14 
G mod pneu 
without 
actuator 
Modulating 
pneumatic 
     
Gas direct ignition, without actuator, pneumatic modulating ratio 
control. Optional with VSD. 
15 
Gp1 mod 
pneu without 
actuator 
Modulating 
pneumatic 
     
Gas pilot ignition 1, without actuator, pneumatic modulating ratio 
control. Optional with VSD. 
16 
Gp2 mod 
pneu without 
actuator 
Modulating 
pneumatic 
     
Gas pilot ignition 2, without actuator, pneumatic modulating ratio 
control. Optional with VSD. 
17 
Lo 2-stage 
without 
actuator 
2-stage      ● 
Oil direct ignition, without actuator, electronic 2-stage ratio control. 
Optional with VSD with speed feedback signal 
18 
Lo 3-stage 
without 
actuator 
3-stage      ● 
Oil direct ignition, without actuator, electronic 3-stage ratio control. 
Optional with VSD with speed feedback signal 
19 
G mod only 
gas actuator 
Modulating 
electronic 
●    ● 
Gas direct ignition, only gas actuator. modulating ratio control. 
Optional with VSD with speed feedback signal 
20 
Gp1 mod only 
gas actuator 
Modulating 
electronic 
●    ● 
Gas pilot ignition 1, only gas actuator. modulating ratio control. 
Optional with VSD with speed feedback signal 
21 
Gp2 mod only 
gas actuator 
Modulating 
electronic 
●    ● 
Gas pilot ignition 2, only gas actuator. modulating ratio control. 
Optional with VSD with speed feedback signal 
22 
Lo mod only 
oil actuator 
Modulating 
electronic 
●    ● 
Oil direct ignition, only oil actuator. modulating ratio control. 
Optional with VSD with speed feedback signal