Block Diagram (Cont'd) - Siemens LMV5 Series Basic Documentation

Block diagram (cont'd)

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Siemens Building Technologies
HVAC Products
LMV5...
X9-02.1
Power signal for air
X3-02.2
pressure switch (APS)
Power signal
X5-03.4
for controller
Power signal for
X6-01.2
start release oil
Power signal for
X6-01.4
heavy oil direct start
Power signal for
X5-01.3
pressure switch-min-oil
Power signal for
X5-02.3
pressure switch-max-oil
LMV52...
Power signal for X7-03.3
start release gas
LMV5...
Power signal for
X9-03.1
pressure switch
T1
AGG5.2...
X10-01.4
Neutral conductor
PRI
Power signal LINE
X10-01.3
transformer
AC power signal G0 X10-01.2
AC power signal G X10-01.1 X10-01.1
Basic Documentation LMV51...
2 General
P
INT
GAS
OIL
L1'
ON/OFF
3
2
START
HO-START
P
min
max
P
START
P
min
max
P
LT
P
(CPI)
black
QRI
brown
blue
QRB
ION
1
2
1
SEK I
12VAC
2
X9-01.4 Fuel valve V1 (GAS)
X9-01.3 Fuel valve V2 (GAS)
X9-01.2 Fuel valve PV (GAS)
X9-01.1 Fuel valve SV (GAS)
X3-02.1 Air Pressure switch (APS)
X4-01.1 Fuel selection GAS
X4-01.2 Fuel selection OIL
X4-01.3 Fan contactor (FCC) or FGR-PS
X4-01.4 Reset / manual lockout
X5-03.1 Controller (ON / OFF)
X5-03.2 Controller closes / stage 3
X5-03.3 Controller opens / stage 2
X6-01.1 Start release oil
X6-01.3
Heavy oil direct start
X5-01.2
Pressure switch-min-oil
X5-02.2 Pressure switch-max-oil
X7-03.2
Power signal for start release gas (START)
X9-03.4
Pressure switch-min-gas
X9-03.3 Pressure switch-max-gas
Pressure switch VP gas LT or
X9-03.2
closed position indicator (CPI)
X10-02.6 QRI... (IR detector) signal voltage
X10-02.2
QRI... (IR detector) power supply
X10-02.5 Protective earth (PE)
X10-02.4 Neutral conductor (N)
X10-02.3 Power supply (L)
X10-02.1 QRB... signal voltage
X10-03.1 Ionization probe (ION)
LMV5...
GAS
ÖL + GAS
OIL
LMV52...
LMV5...
GAS
FLAME
CC1P7550en
01.10.2003