Part 12, Maintenance, A. maintenance procedures – HTP 850 LPHL User Manual
Page 59: Part 12 – maintenance

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LP- 205 REV. 3.28.14
Figure 29
PART 12 – MAINTENANCE
In unusually dirty or dusty conditions, care must be taken to keep appliance cabinet door in place at all times. Failure to do so VOIDS
WARRANTY!
Allowing the appliance to operate with a dirty combustion chamber will hurt operation. Failure to clean the heat exchanger as needed by
the installation location could result in appliance failure, property damage, personal injury, or death. Such product failures ARE NOT
covered under warranty.
The appliance requires minimal periodic maintenance under normal conditions. However, in unusually dirty or dusty conditions, periodic
vacuuming of the cover to maintain visibility of the display and indicators is recommended.
A. MAINTENANCE PROCEDURES
Periodic maintenance should be performed once a year by a qualified service technician to assure that all equipment is operating safely
and efficiently. The owner should make necessary arrangements with a qualified heating contractor for periodic maintenance of the
heater. Installer must also inform the owner that the lack of proper care and maintenance of the heater may result in a hazardous
condition.
BEFORE EACH HEATING SEASON a trained and qualified service technician should perform the inspections as per the boiler
inspection and maintenance schedule in the back of this manual. Failure to do so could result in death or serious injury.