7. Electrical Installations118
Afterputtingtheelectricsystemintooperation,thefunctionof
theresidualcurrentdevicemustbechecked.Aftervoltagehas
beenappliedtotheswitch
j
anditison(settoI-ON)itmust
setowhenyoupressthetestbutton
k
.
The rockerswitch
k
(p.117)jumpsdown;afterithassuc-
cessfullybeencheckeditmustbeswitchedbackuptothe
"On" setting.
Thischeckshouldbecarriedoutatleastonceamonthtoen-
surethattheresidualcurrentdevicefunctionsperfectlyincase
there should be a fault in the current.
Thetrippingtimefortheresidualcurrentdevice(RCD)
witharesidualcurrentof30mAislessthan0.1seconds.
Whentheresidualcurrentdevicehasbeenseto(even
whentesting)thecustomisedsettingsinallmains-operated
devices are lost and the default settings made by the ma-
nufacturerwillapplyagain.
ftheautomaticcircuitbreakerhasgoneo(otherthanifyou
haveswitchedit)youmustwaitashortwhilebeforeswitching
it on again.
-Iftheautomaticcircuitbreakerremainsactive,therewasonly
an overload.
Repairsmustnotbecarriedoutontheresidualcurrent
device.
Aresidualcurrentdevicedoesnotguaranteeanyprotec-
tionagainstthedangerfromanelectricshock.Itdoes
notprotectagainstpossibleelectricalaccidents.
1
2
Residual current device
Thestandardversionofyourvehicleisequippedwitharesidual
currentdevicethatwillinterrupttheelectriccircuitincaseof
apossibleresidualcurrent.Shouldtherebeamalfunction,the
passengercircuitbreakeropenstheentire
230Vcircuit.
FI switch and test button