![background image](http://html1.mh-extra.com/html/carrier/naturaline-69nt40-601/naturaline-69nt40-601_manual_2563852023.webp)
17
62-12119
g. Carry out a Megohm test from the power plug ground pin to
the ground plate in the control box. The Megohm reading of
this test should be zero.
h. Carry out a Megohm test from each power plug pin to ground.
The Megohm reading for the power plug ground pin should be
zero and infinity for the other power plug pins.
26.
Electrical Control Box
.
a. Interior should be dry and free from signs of damage, over
-
heating, and corrosion. Repair any damage to the control box
door gasket if needed.
b. Secure all loose wires with wire ties.
c. Examine contacts for severe pitting, and replace the contactor
if necessary.
d. Check to make sure wiring diagrams and schematics are
present and legible. Replace if missing or damaged.
e. Inspect for damage and check tightness on all wire harnesses
and connections using a Pozi drive (star) screwdriver.
f. All instructional labels and placards should be in place and
.
Figure 21 Instructional Labels and Placards