Air Shutter Setting - Heatilator CRAVE4836 Installation Manual

F. Air Shutter Setting
Air shutter settings may be adjusted by a qualifi ed install-
er at the time of installation. The air shutter is set at the
factory for minimum vertical vent run. Adjust air shutter for
longer vertical runs. See Figure 9.6.
• Refer to Gas Service Access instructions in Section 9.C
to access the air shutter.
• Loosen the 1/4 in. screw.
DETAIL
Figure 9.6 Air Shutter Location
Heatilator • CRAVE4836/ST, CRAVE6048/ST, CRAVE7260/ST, CRAVE8472/ST Installation Manual • 2301-970 Rev. Q • 9/15
• Twist shutter to adjust.
• Shutter may be open for longer horizontal vent runs.
• Do not close the air shutter more than 1/16 in. for NG or
1/4 in. for propane.
• Tighten the screw.
NOTICE: If sooting occurs, provide more air by opening
the air shutter.
Air Shutter Settings
CRAVE4836
CRAVE4836ST
CRAVE6048
CRAVE6048ST
GLASS REFRACTORY
KIT
LOG KIT
CRAVE7260
CRAVE7260ST
GLASS REFRACTORY
KIT
LOG KIT
CRAVE8472
CRAVE8472ST
GLASS REFRACTORY
KIT
LOG KIT
NG Propane
Standard Standard
Opening= Opening=
3/16 in. Full Open
1/4 in. Full Open
NG Propane
Standard Standard
Opening= Opening=
3/8 in. Full Open
3/8 in. Full Open
NG Propane
Standard Standard
Opening= Opening=
1/2 in. Full Open
1/2 in. Full Open
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