Archgard 3600-dvtr24n, User'S Installation, Operation And Maintenance Manual, Page: 27 / 42

Optima/ag
3600
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