IM-P402-93 AB Issue 7
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3.3 Two or three element modulating control:
-
Modulating valve control using valve motor drive or 4 - 20 mA control signals.
- Two alarm outputs.
- 4 - 20 mA level output.
- Probe mounted in boiler (in protection tube), or in external chamber.
- Feedback from steam meter.
- Feed forward from water meter.
Note: The 4 - 20 mA level output is only available when the LC2610 is configured for valve motor
drive systems.
Fig. 4