Main Control Board Terminal Connections; Carel Control Board Terminal Connections - LG ARND203DCR4 Installation Manual

Main Control Board Terminal Connections

Identifying Input and Output Terminals
The following terminal markings are on the control boards and indicate:
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DI: Digital Inputs (DC: Normal Close / DO: Normal Open)
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DO: Digital Outputs (DC: Normal Close / DO: Normal Open)
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AI : Analog Inputs
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AO: Analog Outputs
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UI : Universal Inputs
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UO : Universal Outputs
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RI : Resistance Input

CAREL Control Board Terminal Connections

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See image below for general board layout.
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See the tables on the following pages for standard terminal connection points.
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See the wiring schematics shipped with the unit for factory-configured terminal connection points for all units.
Figure39: CAREL Control Board Layout
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