Direct Heavy Oil Start (Ho-Start) X6-01; Fan Contactor Contact (Fcc) Or Fgr-Ps X4-01 - Siemens LMV5 Series Basic Documentation

Direct heavy oil start
(HO-START)
X6–01
Fan contactor contact
(FCC) or FGR-PS
X4–01
38/278
Siemens Building Technologies
HVAC Products
The input is used for connecting a heavy oil direct start signal with which circulation
Phase 38 with HO or Phase 44 with HOgp can be shortened.
In the circulation phase, the waiting time for the signal is a maximum of 45 seconds. If
the signal is not delivered, home run will take place, followed by → repetition. The input
is only active when firing on heavy oil (HO or HOgp).
The input can be deactivated.
Parameter:
HeavyOilDirStart (activated / deactivated)
2)
(activated / deactivated)
The input is used for connecting a fan contactor contact (FCC) or a flue gas
recirculation pressure switch (FGR-PS).
a) Parameter:
Config_FGR-PS/FCC (FCC)
The input is active when firing on oil and gas. It serves for checking the position of the
fan contactor.
A signal is anticipated at this input after the fan has received a control command.
b) Parameter:
Config_FGR-PS/FCC (FGR-PS)
The input has been designed for the connection of an air pressure switch for flue gas
recirculation (only from LMV52...).
c) Parameter:
Config_FGR-PS/FCC (deactivated)
The function of the input can be deactivated.
Basic Documentation LMV51...
4 Burner control
Active inputs are checked for signal inputs.
CC1P7550en
01.10.2003