Siemens LMV5 Series Manual page 16

Block diagram inputs / outputs (cont'd)
Power signal for
air pressure switch (LP)
Power signal for
controller contro
Power signal for
start release oil
Power signal for
heavy oi - direct start
Power signal for
oil pressure switch-min
Power signal for
oil pressure switch-max
Power signal for
start release gas
Power signal for
pressure switch
Neutral conductor
Power signal
transformer
AC power signal G0
AC power signal G
16/29
Building Technologies Division
L1'
T1
AGG5.2
1
PRI
LINE
QRA
Fuel valve V1 (GAS)
Fuel valve V2 (GAS)
Fuel valve PV (GAS)
Fuel valve SV (GAS)
P
Air pressure switch (LP)
INT
Fuel selection GAS
OIL
Fuel selection OIL
Fan condactor contact (GSK) or ARF-DW
Lockout / manual locking
ON/OFF
Controller (ON/OFF)
Controller closed / stage 3
Controller open / stage 2
START
Start release oil (START)
HO-START
Heavy oil - direct start
P
Oil pressure switch-min
max
P
Oil pressure switch-max
Start release for gas (START) or
START
CPI (oil and/or gas)
P
Gas pressure switch-min
max
P
Gas pressure switch-max
LT
P
Gas pressure switch - valve proving /
valve proving or valve closure contact (CPI)
black
QRI (IR detector) signal voltage
QRI ( IR detector) supply voltage
brown
Protective earth (PE)
blue
QRB
Neutral conductor (N)
Power signal (L)
QRB signal voltage
Ionization probe (ION)
Power signal (L)
Neutral conductor (N)
Fan
Ionization
QRA7 signal voltage
QRA7 supply voltage
PE
Protective earth (PE)
Neutral conductor (N)
Power signal (L)
OIL+GAS
OIL
Flame alternative 1
Flame alternative 2
Flame alternative 3
7550a26e/0216
CC1N7550en
22.05.2017