PLANAR
Edition 1
March 2016
Page. 3 of 29
This Repair Manual is intended for service personnel performing maintenance and
repairs of PLANAR air heaters (hereinafter - "the heater") and their modifications. It
describes methods of determining possible faults, how to determine the working condition
of components and parts, and how to identify the need to replace them.
The Manual provides basic technical data, descriptions of components, their
functions as parts of the heater, recommendations for their maintenance and repair, main
distinctions of different models.
Principles of operation, main parts and components of the standard air heater are
described in CPAU (the catalog of parts and assembly units).
Electrical diagram of the air heater is provided in the Operation
Manual.
When repairing the heater, its Operation Manual and the catalog of parts and
assembly units should be referred.
Repair Manual may not reflect minor design changes made by the manufacturer.
Abbreviations used in this Manual:
CU –Control Unit;
CC –Combustion Chamber;
AB –Air Blower;
CNTRL –Controller;
FP–Fuel Pump;
VEH –Vehicle.
