Macurco CM-6 Manuel page 15

Macurco CM-6/CM-12 Manual (Rev-1.1) Eng
Figure 3-14 12-Series DVP-120 Control Panel Diagram
Figure 3-15 12-Series Alternate Alarm Panel
In this application (above) the Fan or primary relay is used as a low-level alarm relay. The Alarm or secondary relay is used as a
supervisory relay when utilized in the normally closed configuration. The CM-12 monitors all critical functions of the unit
through software diagnostics that continually test and verify its operations. If a problem is found, the unit will switch to a fail-
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REV – 1.1 [34-2900-0511-6] P a g e