Norcold 442 Repair Manual page 9

B101
Burner
Applies the correct amount of
heat to the cooling unit, when it is
supplied the correct amount of air
and LP Gas.
AC Heating Element
Applies the correct amount of
heat to the cooling unit, when it is
supplied with the correct AC volt-
age. All current 120 Volt AC heater
will have black lead wires.
DC Heating Element
Applies the correct amount of
heat to the cooling unit, when it
is supplied with the correct DC
voltage. All current DC heaters
will have yellow lead wires indi-
cating 12 Volts DC.
AC-DC Switch 3-Way
Models Only
Selects the Electric
(AC or DC operation). Also has
an ELECTRIC-STANDBY posi-
tion to temporarily shut off AC
or DC operation.
Figure 3.12B
Figure 3.13
Figure 3.14
3 Position Switch
mode
Figure 3.15
Burner
AC Heater
DC Heater
AC - DC Switch
3-9