Introduction - Proheat M80 Service Manual

This manual is provided to assist in troubleshooting
and maintaining the PROHEAT M-Series heater. They
are designed for use on any diesel-equipped vehicle
including trucks, buses (school, transit and coach),
construction equipment, off road equipment,
military equipment and cargo.
PROHEAT heaters are used for the following applications:
(1) Engine Block Heat – A PROHEAT will preheat an
engine block to ensure reliable starting in cold
weather. Its' use throughout the year will reduce
engine wear caused by cold starts.
(2) Supplemental Heat (engine running) – The PROHEAT
can be used while the vehicle is operating to
provide supplemental heat for the engine and/or
passenger compartment.
(3) Cargo Heat – The PROHEAT can supply heat to
individual compartments as a stand-alone heating
system, or it can provide supplemental heat to an
existing heating system.
PROHEAT M-SERIES SERVICE MANUAL
B.

INTRODUCTION

MODEL: M50/M80/M105
(4) Marine – Marine applications typically involve the
engineering and installation of a complete
hot-water heating system of which PROHEAT is only
one component. Teleflex recommends that only an
expert in marine hot-water heating systems install
a PROHEAT for marine applications.
NOTE: It is the installer's responsibility to ensure that
an installation complies with all applicable codes and
regulations.
B-1