192
8 Options
8.2.3.2 Terminal Assignment
Acknowledgement curve set 1 /Acknowledgement curve set 2 (Terminals 36; 34)
To provide that signal ’fuel selection’ is clearly identified by BT340/341, you must connect ter-
minals as described below:
The inputs load+ and load- are reserved on BT300 by fuel selection. The signals load+ and
load- will be taken over by DFM300 and transmitted to BT300 by LSB.
Fuel selection
For fuel selection via input of terminal 13 of the DFM following requirements must be fulfilled:
– P 0812 = 1
– P 0801 = 3 or 4 (dual fuel applications)
– all parameters and curve for curve set 1 and curve set 2 must be set.
Terminal 13 circuit:
Circuit diagram for modulating 2/3 stage oil and gas
NOTICE
The gas ignition valve is optional. You can replace oil ignition valve for 3
rd
stage from two-
stage oil operation with an optional ignition valve.
From terminal
DFM300
to the plug
X09 BT300
Signal
34 Pin 1 (Load-) curve set 2
36 Pin 2 (Load+) curve set 1
Fig. 8-29 Feedback connection oil/gas
Voltage Curve set
0 V Curve set 1 (Oil/Gas1)
230 V Curve set 2 (Gas/Gas2)
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