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Building Technologies Division Basic documentation LMV36... CC1P7544en
Infrastructure & Citiies Sector 9 Selection of operating mode 25.09.2013
Operating mode
parameter 201 /
301
Fuel train
Fuel-air ratio
control
Fuel actuator
Air actuator
Feedback signal
VSD
Description
26 HO o. Umsp
2-stage
¹)
2-stage
● ●
Heavy oil direct ignition without circulation control, electronic 2-stage
ratio control. Optional with VSD with speed feedback signal
27 HO o. Umsp
3-stage
¹)
3-stage
● ●
Heavy oil direct ignition without circulation control, electronic 3-stage
ratio control. Optional with VSD with speed feedback signal
(Also refer to chapter Fuel trains)
¹) Selected operating mode is not released for the basic unit.
With select: Error code 210 diagnostic code 0
The VSD can be used with any of the operating modes (refer to chapter VSD).
No. Parameter
542
Activation of VSD / PWM fan
0 = inactive
1 = active
Note
For configuration of the analog output when the VSD is activated, refer to
chapter Load output X74 pin 3!
9.1 Deleting curves
To delete curves, the operating mode must be set to undefined «--». In that case, only
the fuel curves are deleted, the direction of rotation or the reference position of the
actuators is not changed.