01/10 Copyright 2008 Mestek, Inc.
XLF-I0M-2
82-0317
Boiler manual
Installation and operation
instructions
Also read and follow:
XLF HeatNet Control manual
Th is manual is intended only for use by a qualifi ed heating installer/technician. Read and follow this manual, all supplements and related
instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these
instructions. Failure to do so can result in severe personal injury, death or substantial property damage.
Do not use the boiler during construction.
Construction dust and particulate, particularly drywall dust, will cause contamination of
the burner, resulting in possible severe personal injury, death or substantial property damage. Th e boiler can only be operated with a dust-
free air supply. Follow the instruction manual procedures to duct air to the boiler air intake. If the boiler has been contaminated by operation
with contaminated air, follow the instruction manual guidelines to clean, repair or replace the boiler if necessary.
Affi x these instructions near to the boiler. Instruct the building owner to retain the instructions for future use by a qualifi ed service technician,
and to follow all guidelines in the User’s Information Manual.
Finned copper tube
Gas boilers (MB) &
Water heaters (MW)
