TM 10-7310-241-12&P
2-8.2 Change 1
2-7.1 ASSEMBLY AND PREPARATION FOR USE FOR MODEL 471012 (Continued)
CAUTION
If the HWR does not receive power of the correct polarity, it will
malfunction in a hazardous manner, with power being supplied to the
heating element even with the switch in the OFF (0) position.
(2) Ensure that the power cable connector mates correctly with the HWR receptacle (6), and that the
following polarity is observed:
Pin A: Positive (+)
(Violet wire)
Pin B: Negative (-)
(Orange wire)
Pin C: No Connection
(Yellow wire)