LMVSeries
TechnicalInstructions
LV5‐1000
Parameter ProgramStop
PS PS PS PS PS PS PS
Gas Train :
Pilot Gp1
Lockout Phase
Safety Phase
Home Run Position
Burner Standby
Safety Relay = ON
Release of Startup,
SV = ON
Combustion Fan = ON
Drive to Prepurge Pos.
Prepurge
Prepurge (Aux 3 Drive to
Pre
ur
e Pos.
Prepurge 2 (Aux 3 FGR)
Drive to Ignition Pos.
Preignition (Spark) = ON
Pilot Valve = ON
Ignition (Spark) = OFF
Interval 1
Pilot Stabilization
Safety Time 2
Interval 2
Main Stabilization
Drive to Low Fire Pos.
Operation 1
Normal O
eration
Operation 2
Drivin
to Low Fire
Afterburn Time
Driving to Postpurge
Position
Optional Postpurge 3
Direct Start
Evacuate
Atmospheric Test
Fill
Pressure Test
Phase 00 01 10 12 20 21 22 24 30 32 34 36 38 40 42 44 50 52 54 60 62 70 72 74 76 78 79 80 81 82 83
Terminal Description Notes
X4-01.1
Fuel Select Gas Note 1
M
X3-04.1
Safety Loop (Limits)
X5-03.1
ON / OFF Switch Note 2
N/
Flame Signal Note 9
MF
X
X3-02.1
Blower Air SW (APS) Note 8
F
M
Blower Aux. Contact (FCC)
M
FGR Press. SW (instead of FCC) Note 15
M
POC SW Gas (CPI)
F
M
POC SW Oil (CPI)
`
POC SW Gas + Oil (CPI)
F
M
Press. SW Valve Proving
FX
X9-03.4
Low Gas Press SW
M
POC SW Gas (CPI)
F
M
POC SW Oil (CPI)
POC SW Gas + Oil (CPI)
F
M
Start Release Gas
M
X9-03.3
High Gas Pressure SW
X6-01.3
External Flame Safeguard Note 9
MF
X
X6-01.1
Ext. Flame SG Red. Contact Note 9
FXX
M
X3-01.1
Fan Note 12
X4-02.3
Ignition
XX
XX
X
Start Signal
XX
3 Way Valve (APS checking) Note 10
XX
XX
X
3 Way Valve (APS checking) INV. Note 10
X3-01.2
Alarm Note 3
X
XX
X
X9-01.1
Gas Valve SV (Usually Outdoor)
XX
X9-01.2
Gas Valve PV (Pilot Valve) Note 4
XX
X
X8-01.1
Main Fuel Indicator (Gas)
XX
X
X9-01.4
Gas Valve V1 (Main, upstream)
XX
X
X9-01.3
Gas Valve V2 (Main, downstream)
XX
XX
X
Legend : Energized
M
Must be Energized by end o
Phase
ee the
irst pages o
ection
-
or notes.
Energized or De-energized
F
Must be De-energized by end o
Phase
X
De-energized
GAS VALVE
PROVING
Mandatory Postpurge 1
SHUTDOWN
Shutdown valve proving, if used. See sequence diagram phases 80 to 83.
START-UP
Start-up valve proving, if used. See sequence diagram phases 80 to 83.
OPER-
ATION
OUTPUTS
PURGE
SAFETY
TIME 1
X4-01.3
X9-03.2
X7-03.2
X4-03.3
See Note 12
INPUTS
SCCInc. Page52 Section3