Product Overview

12
103859-12 - 8/19
MPO-IQ
Installation & Service Manual
Figure 4A: Partial Front View - Burner Swing Door Mounted to Boiler - Fully Closed and Secured
Step 4. Disconnect burner power cord from
receptacle located in lower right corner of jacket
front panel.
Step 5. Door can be swung to the fully open position,
approximately 90° to 120°, with the burner
mounted providing that there is 19" of clearance
to the adjacent wall, see Figures 1 and 4B.
NOTE: If reduced clearance prevents the door
from opening fully, one of the following can
provide full access:
a. Burner can be removed to allow full rotation
of door.
b. Door with burner mounted can be lifted
off mounting bracket and set aside during
servicing.
c. The door mounting hardware is reversible
from left side hinge (as shipped) to right
side hinge.
To reverse hinge arrangement (see Figure
4A):
• Lift door off mounting bracket and set
aside.
• Remove mounting bracket and
hardware from left side.
• Remove upper jacket front panel
retaining screw (5/16" x 1/2" lg. Phillip
Pan head machine screw) from right
side of door and re-install in vacated
upper mounting bracket tapping. Do
not tighten.
• Move lower jacket panel retaining screw
from right side to left tapping. Do not
tighten.
• Rotate door mounting bracket 180°.
Insert 5/16" cap screw through top hole
in bracket and install in upper vacated
jacket hole on right side of door.
• Install second 5/16" cap through bracket
hole into lower vacated tapping on right
side.
• Tighten both sets of hardware to secure
jacket and mounting bracket.
• Lift door and place integral cast hinge
pins on door into slotted mounting bracket
holes.
2. Perform routine inspection, service or cleaning as
necessary.
3. To close Burner Swing Door (see Figures 4A and
4B):
Step 1. From the fully open position, rotate Burner
Swing Door to the closed position.
2 Packaged Boiler Assembly - Trim & Controls (continued)