Supplemental Heat Control Application Notes

August 2012 Application Note 1024
©2012 Mitsubishi Electric US, Inc.
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Wiring restrictions for ALL field wiring in all of the above diagrams:
Keep the length of the cable connecting to the circuit board of the indoor unit
shorter than 32 ft. (10 meters).
Wire size should be 22 ~ 16 AWG (0.5 mm2 ~ 1.25 mm2) depending on length
and conditions.
All wiring should conform to all local codes and the National Electric Code where
applicable.