Instruction manual

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P/N HN-IOM-1 82-0331 Copyright 2009 Mestek, Inc.
Finned copper tube gas boilers & water heaters – Control manual
Wiring (continued)
Field wiring connections for 4-20mA remote operationFigure 7
6
If using a 0–10VDC signal, multiply any references
to current in the manual by 0.5. For example: 5ma x
0.5 = 2.5 VDC.