Repair manual

5
1 / Introduction
Important information prior to commencing
work
Applications in which the HYDRONIC may be used
The engine-independent “HYDRONIC 16 / 24 / 30 / 35” water
heaters are intended for installation in the following vehicles
(in each case, the heater output should be appropriate to the
application):
• motor vehicles, especially buses
• building machinery
• trailers
• ships and yachts
Important!
• The heater may only be used and operated for the
applications specified by the manufacturer and in
compliance with the enclosed “Operating Instructions”
for the heater concerned.
• Installation of the HYDRONIC in vehicles that are used to
transport dangerous goods within the provisions of GGVS /
TRS 003, ADR / ADR99 is not permitted.
Intended use of the HYDRONIC
• preheating, de-icing of windows
• heating and maintaining the heated temperature of:
- drivers‘ cabs and work cubicles
- cargo areas
- ships‘ cabins
- travel compartments for passengers and crew
- vehicle engines and assemblies
On the basis of its functional specifications, the HYDRONIC is
not approved for use in the following applications:
• long-term sustained operations, e.g. to pre-heat and heat
- living rooms
- garages
- work enclosures, weekend homes and hunting lodges
- houseboats and similar.
Initial operation of the HYDRONIC and functional testing
following a repair
• Following installation or repair of the HYDRONIC, it is
necessary to carefully bleed the coolant circuit and the entire
fuel supply system. When doing so, the instructions issued
by the vehicle manufacturer must be observed.
• Prior to test running, open all heating circuits (set the
temperature controller to “HOT”).
• During test running of the HYDRONIC, check all water
and fuel connections to ensure that they are leakproof and
securely in position.
• If during operation the HYDRONIC should develop a fault,
then identify the cause of the fault using a diagnostic facility
and rectify.
Content and purpose of this documentation
The Technical Description, Troubleshooting and Repair Manual
is valid for the heaters listed on the front page and contains all
the necessary technical information.
• The Technical Description is contained on pages 4 to 23.
The Technical Description describes the correct installation
of the HYDRONIC in compliance with the relevant
regulations.
• The Troubleshooting and Repair Manual is contained on
pages 24 to 47.
The Troubleshooting and Repair Manual describes the
troubleshooting procedures and the repair work that is
permitted on the HYDRONIC.
Additional documentation on the HYDRONIC
Operating Instructions
The Operating Instructions provide customers with the
information that is necessary for safe handling and use of the
HYDRONIC.
Spare Parts List
The Spare Parts List provides Eberspächer service partners
with the information they need to order spare parts for repair
purposes.