Lamtec VMS 5 User Manual

System Operation 4 Curve sets FMS
(option)
Interconnection with The FMS offers the optional facility for using 4 curve sets.
4 curve sets option In this case 2 curve sets are firmly assigned to oil operation and 2 curve sets
to gas operation. The curve sets are then selected via terminal 75 (fuel
selection) and additionally via the fuel safety interlock circuits.
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Fuel Oil safety Gas safety Curve set
selection interlock circ. Interlock circ.
terminal 75 terminal 69 terminal 5
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0 1 0 Curve set 1 (oil op.)
0 0 1 Curve set 2 (gas op.)
1 1 0 Curve set 3 (oil op.)
1 0 1 Curve set 4 (gas op.)
X 0 0 FMS does not start or
fault during operation
X 1 1 FMS does not start or
fault during operation
Since the fuel safety interlock circuits now serve here for selection of the curve
set, they are, contrary to the standard flowchart, monitored immediately after
starting (or more precisely after the end of t1, see flow charts) and must
remain on until burner-shut-off
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Lamtec VMS 5 Specifications

General

Brand	Lamtec
Model	VMS 5
Category	Control Systems
Language	English