CleaverBrooks ProFire Q Series, Installation Operation & Maintenance

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750-437
Q Series Full Modulation
2-7
Installation
2.9 — Optional Ducted Combustion Air
An optional adapter port and slotted side panel allow combustion air to be ducted into the burner. The Q6
arrangement is a 4" OD inlet while the Q8 is a 6" OD inlet setup.
To equip the burner for ducted combustion air (item numbers refer to Figure 2-7):
•
Change the side cover
1.
Remove the cover lock-down thumb screw (Item 3).
2.
Open the control cover (keep cover supported to prevent damage to it).
3.
Remove the control panel side cover but retain the fasteners as they will be reused.
4.
Install the slotted side cover (Item 2).
5.
Replace the thumb screw (Item 3) to the position shown in Figure 2-7.
•
Install the air inlet adapter
NOTE: If orifice plate required (Section 2.10) install between the blower and air inlet adapter.
1.
Remove the (6) bolts from the fan-assembly inlet collar and air-pressure sensing line
2.
Align the adapter (Item 1) and air-pressure sensing line bracket then replace and secure the 6 bolts. Use a
medium thread locker such as Loctite Blue to assure secure retention.
FIGURE 2-7.
Ducted Combustion Air
880-06262-000
2
1
3