Optima/ag3600
27
TOP VENT VERTICAL VENTING
Restrictor #1
VENT RESTRICTORS FOR TOP VENT INSTALLATIONS
All top vent installations require the use of Restrictor #1 (40%).
The restrictor is installed in the exhaust of the appliance.
The rear vent configurations do not require a vent restrictor.
Example 1
V Value = 3A (12') + 1C (3') = 15'
H Value = 2B (4') =4'
V Value = Total length of all vertical sections in feet.
H Value = Total length of all horizontal sections in feet.
Note:
❖ For H & V values for 45º venting see Chart IV
❖ Elbows are not counted in H or V values
❖ Vent chart starts from the top of the unit
CHART IV
INSTALLATION INSTRUCTIONS
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