1-9. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - continued.
c. Heater Interior - continued. (Refer to Figure 1-4)
(6) Transformer. The transformer (6) provides the voltage necessary through the ignition leads to the burner
electrodes to ignite the fuel.
(7) Heat Exchanger. The heat exchanger (7) consists of the primary and secondary exchangers and the burner
assembly and provides the means for heating the supply air.
(8) Combustor Fan Assembly. The combustor fan assembly (8) provides air to the burner assembly.
Figure 1-4. Heater Interior (Sheet 2 of 3)