LIMBACH L 2000 Series Installation Manual page 30

Flugmotoren
from the sen sors to the ECU are on an in de pend ent cir cuit. The bat tery acts as a ca pac i tor which
damp ens the fre quency res o nance.
Note The chas sis neg a tive-wiring sys tem is not per mit ted with this de sign. The air frame man u fac turer
is rec om mended to re fer to the doc u ment "Elec tri cal Sys tem De sign L 2400 EF". This gives all of
the char ac ter is tics of the op er a tional be hav ior of the com po nents in cluded in this sys tem. For ex -
am ple, the func tion of the switch S3 and the dif fer ences of the pe cu liar i ties as so ci ated with a
mag neto sys tem.
Pi lots and tech ni cians with ex pe ri ence of mag neto ig ni tion en gines and who are now in volved
with this type of en gine, are ad vised to be come fa mil iar with par tic u lar de tails of this sys tem.
With the mag neto ig ni tion sys tem, it is in stinc tive to open the main switch to run the en gine. This
sys tem is de signed so that when the main switch is in the OPEN po si tion, the elec tri cal power is
OFF. The main switch is in the cock pit.
The main bat tery (+) should be switch able over a main re lay (main switch), e.g. Kissling
12V/50A or der num ber 26.70.24.
Re ver sal of the (+) ca bles on the re lay box can lead to a fail ure of the emer gency sys tem.
Warn ing: A miss ing ground con nec tion starter to bat tery (-) can lead to a ca ble fire be cause the volt -
age in the ground side can flow thru the elec tro mag netic shield ing (EMS) for the en gine
electrics.
Prepared by: J. B. Meyer
Checked by:
Installation Manual
L 1700, L2000 and L 2400 Series
Replaces edition from: 10.03.86
Edition: 01.03.1999
Page: 5-13
Reg. Number:
5