LRI4E / HRI4E Direct Vent Gas Insert | 17
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17
installation
Air Shutters are required to increase or decrease the amount of air that is
mixed with the fuel before combustion. This will have an aect on how well
the fuel combusts and how the ame appears physically.
Low primary air will leave a taller, yellower ame while higher primary air will
leave a lower, bluer ame.
This setting is largely for appearance, however, not enough primary air may
lead to carboning, sooting or a ame that reaches the top of the rebox.
Situations that may require more primary air are; units that are burning
propane, units installed at higher elevations or units that are run on high
most of the time.
The LRI4E / HRI4E is equipped with an air shutter that is accessible from
outside the rebox and can be adjusted during operation.
Aeration adjustments should only be made after the unit has been on for 30
minutes to 1 hour.
Slide the Air Shutter Lever towards you to increase the primary air setting.
Slide the Air Shutter away from you to decrease the primary air setting.
Below you will see a chart showing the minimum primary air settings.
These are set from the factory, but due to fuel conversions or installation
conditions, the air setting may need to be adjusted.
Unit Fuel Type Min. Air Setting
LRI4E NG 3/16" (5mm)
LRI4E LP 1/4" (6mm)
HRI4E NG 3/16" (5mm)
HRI4E LP 1/4" (6mm)
HRI4E w/optional
driftwood logs
NG Fully Open
AIR SHUTTER ADJUSTMENT
1) Slide the Air Shutter Lever towards you to increase the primary air set-
ting.
2) Slide the Air Shutter away from you to decrease the primary air setting.
Below you will see a chart showing the minimum primary air settings.
CAUTION: Carbon will be produced if air shutter is closed too much.
Note: any damage due to carboning resulting from improperly setting
the aeration controls is NOT covered under warranty.
Note: Aeration Adjustment should only be performed by an authorized
Regency Installer at the time of installation or service.
Note: The HRI4E with optional driftwood logs is only approved for sue
with NG. This is not approved when using propane.
Push to close - Pull to open
Unit Front
Unit Back
First Fire & Aeration
Air Shutter
Burner Mounting
Bracket
Gas Orifice
Air Shutter Lever
Firebox cut-away
to show location
of the Air Shutter
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