Regency Liberty L676 - Manual (Page 19)

Regency ® L676 Direct Vent Gas Fireplace 19
INST
ALLA
TION
VENTING ARRANGEMENTS
ALLOWABLE HORIZONTAL TERMINATIONS
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90 o two 45 o elbows equal one 90 o elbow).
Note: Must use optional rigid pipe adapter (Part# 770-994) when using Rigid Pipe Venting Systems.
• Maintain clearances to combustibles as listed in "Clearances" section
• Horizontal vent must be supported every 3 feet.
• Firestops are required at each fl oor level and whenever passing through a wall.
•
A wall thimble is mandatory for all horizontal terminations due to high temperatures.
VENT RESTRICTOR SETTING:
NG Units; Vent restrictor at Set 0 - factory set, no adjustment required unless otherwise indicated.
LP Units; Vent restrictor at Set 1 - factory set, no adjustment required unless otherwise indicated.
Refer to the "Vent Restrictor Position" section for details on how to change the vent restrictor to Set 1, Set 2 or Set 3 if required.
A vent guard maybe required as per local codes, refer to "Exterior Vent Termination Requirements" section for details.
Note: Regency ® Direct Vent System (Flex) is only approved for horizontal terminations.
INSTALLATION