TM 5-4520-241-14
Figure 4-2. Modification required for various mounting positions.
(3) Provide a 3-wire, 12-gage cable from the four-pin power plug to the 120 volt, 50/60 Hz power source.
Connect wires as follows:
(a)
Pin A to line L1
(b)
Pin C to line L2
(c)
Pin D to ground
(d)
Pin B is not used
(4) Attach the other end of the cable to a power source, making sure the ground lead is attached to the power
source ground. With the HEATER-OFF-FAN switch in the OFF position, insert the power plug into the POWER
4-3
