Siemens LMV3 series - Page 75

LMV Series
Technical Instructions
LV3-1000
PS
PS
PS
PS
Actuators
Lockout Phase
Safety Phase
Home Run Position
Burner Standby
Comb. Fan, SV = ON
Drive to Prepurge Pos.
Prepurge
VSD Drive to Ignition Pos.
Drive to Ignition Pos.
Preignition (Spark) = ON
Pilot Valve = ON
Ignition (Spark)= OFF
Interval 1
(Pilot Stabilization)
Safety Time 2
Interval 2
(Main Stabilization)
Operation 1
(Normal Operation)
Operation 2
(Driving to Low Fire)
Drive to Ignition Pos.
Interval 2
Ignition + PV = ON
Main Valve = OFF
Pilot Waiting Time
Pilot Waiting Time - Startup
Afterburn Time
Driving to Postpurge Pos.
Mandatory Postpurge 1
Optional Postpurge 3
Evacuate
Atmospheric Test
Fill
Pressure Test
Gas Shortage
Phase
00 02 10 12 22 24 30 35 36 38 40 42 44 50 52 60 62 64 65 66 67 68 69 70 72 74 78 80 81 82 83 90
Actuator Description Notes
Expected Position Note 8
T
PrP
M
S
T
H
Position Required to Proceed Note 9
Dynamic Position Checking Note 9
Run-Time Position Checking Note 9
Expected Position Note 8
T
M
S
T
H
Position Required to Proceed Note 9
Dynamic Position Checking Note 9
Run-Time Position Checking Note 9
Legend :
Position checked by stated method
PrP
Prepurge position
Position not checked
I
Ignition position
U
Undefined position
M
Actuators modulating
H
Home position
S
Actuators stopped
T
Actuators transitioning
PsP
Postpurge position
Gas, Oil
U I Ps
P See Note 8H
Air, VSD
OPER-
ATION
SHUTDOWN
GAS VALVE
PROVING
See Note 8I PsP
POST-
PURGE
T
Parameter 208 (Program Stop)
R
EVERT TO PILOT
IT
T
I
HU
START-UP
SAFETY
TIME 1
SCC Inc. Page 27 Section 3