Product Overview

18
103859-12 - 8/19
MPO-IQ
Installation & Service Manual
Figure 8: Baffle Orientation in Flueways
Step a. Install stainless steel baffles provided in
miscellaneous parts carton as follows, refer to
Table 3 and Figure 8:
• Model MPO-IQ84B - To install flueway baffle
in 2
nd
pass on left side of boiler, hold baffle
with word "Left" readable at the top. Slide
baffle in flueway until position tab touches
fins on left side of 2
nd
pass flueway. To install
flueway baffle in 2
nd
pass flueway on right
side of boiler, hold baffle with word "Right"
readable at the top. Slide baffle in flueway
until position tab touches fins on right side
of 2
nd
pass flueway.
• Model MPO-IQ115B - To install flueway baffle
in 3
rd
pass on left side of boiler, hold baffle
with word “Left” readable at the top. Slide
baffle in flueway until position tab touches
fins on left side of 3
rd
pass flueway. To install
flueway baffle in 3
rd
pass flueway on right
side of boiler, hold baffle with word “Right”
readable at the top. Slide baffle in flueway
until position tab touches fins on right side
of 3
rd
pass flueway. To install flueway baffle
in 2
nd
pass on left side of boiler, hold baffle
with word “Left” readable at the top. Slide
baffle in flueway until position tab touches
fins on left side of 3
rd
pass flueway. To install
flueway baffle in 2
nd
pass flueway on right
side of boiler, hold baffle with word “Right”
readable at the top. Slide baffle in flueway
until position tab touches fins on right side
of 3
rd
pass flueway.
To install combustion chamber ring, set ring in
the front section of the combustion chamber.
• Models MPO-IQ147B thru MPO-IQ231B - To
install flueway baffle in 2
nd
pass flueway on
left side of boiler, hold baffle with word "Left"
readable at the top. Slide baffle in flueway
until position tab touches fins on right side
of 2
nd
pass flueway. To install flueway baffle
in 2
nd
pass flueway on right side of boiler,
hold baffle with word "Right" readable at the
top. Slide baffle in flueway until position tab
touches fins on left side of 2
nd
pass flueway.
NOTE: 2
nd
and 3
rd
pass flueway baffle are not
interchangeable.
6. Close the burner swing door and securely seal the
door to the boiler front section by reinstalling the
hardware and securing the door using procedure
previously outlined in Paragraph D of this section.
NOTICE When securing burner swing door make
sure door is drawn-in equally on both sides.
2 Packaged Boiler Assembly - Trim & Controls (continued)