Reznor, PVE, Installation Manual EN 2019-11, D301113 iss D Page 27
Figure 13 : Control panel assembly located on
a removable bracket
Heat exchanger
maintenance
Remove any external dirt or dust accumulation.
Visually check the heat exchanger for cracks
and holes. If a crack or hole is observed,
replace the heat exchanger.
Burner maintenance
The heater has a unique one-piece T-CORE2®
burner assembly that has been designed to
provide controlled flame stability without
lifting or flashback. The burner can be
removed as a unit for inspection or service :
see removal instructions.
Inspect the burner/control
compartment annually to
determine if cleaning is
necessary. If there is an accumulation of
dirt, dust, and/or lint, clean the
compartment and follow the instructions
below to remove and clean the burner
Instructions for burner removal
• Outside the cabinet, shut the gas supply
off at the manual valve ahead of the union
• Turn off the electric supply.
• Disconnect the gas supply at the union
outside of the cabinet.
• Open the access door.
• Remove the Manifold
• Undo the gas pipe connection.
• Remove the manifold fixing screws.
• Remove the manifold and injector assembly
from the right hand side of the heater.
• Check that the manifold is straight, the
injectors are correctly aligned, and that
they are clean, and that there are no
contaminates restricting the orifices, if
necessary clean carefully with compressed
air and or lint free cloth and acetone.
The injector orifice is precision
machined to fine tolerances, do
not clean with hard sharp or
abrasive instruments. If the injectors have
been removed from the manifold, when
they are replaced, and care should be
taken not to over tighten. Ensure all joints
are gas tight.
• At the gas valve, mark and disconnect the
connector. Carefully remove the burner
orifice and orifice adapter locking nut. Slide
the orifice adapter out through the bracket
on the burner. Remove burner
• Locate the burner body front support.
Remove the screws that attach it to the
secondary air shield.
• Holding the venturi tube, slide the entire
burner slightly to the right to disengage
the burner from the supports on the left.
Then rotate the open end of the venturi
• Tube outward away from the heater.
• Carefully pull the burner assembly out of
the cabinet.
Inspect and clean the burner
With the burner assembly removed, shine
a flashlight on the burner ribbons. Look for
carbon build-up, scale, dust, lint, and/or
anything that might restrict flow through the
spaces between the burner ribbons.
Holding the burner assembly so that any
