CarAlarms.com P90-NG1 - Manual (Page 19)

Excalibur ® P90 Zero Clearance Direct Vent Gas Fireplace 19
INSTALLATION
RIGID PIPE VENTING ARRANGEMENTS - HORIZONTAL TERMINATIONS
FPI DIRECT VENT SYSTEM (FLEX)
(Propane & Natural Gas)
The diagram shows all allowable combinations of vertical runs with horizontal terminations, using one 90 o elbow (two 45 o elbows equal one 90 o
elbow).
All Rigid Pipe Systems
4" inner diameter
6-5/8" outer diameter
FPI Flex Vent
4" inner diameter
6-7/8" outer diameter
Note: Must use optional rigid pipe adaptor (Part # 510-
994) when using Rigid Pipe.
• Maintain clearances to combustibles as listed in the "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 vent guard (Part# 946-506/P) should be used
whenever the termination is lower than the
specifi ed minimum or as per local codes.
Note: FPI Direct Vent System (Flex) is only approved
for horizontal terminations.
All Rigid Pipe Systems
5" inner diameter
8" outer diameter
Note: Must use FPI increaser starter collar
(Part # 946-605) at beginning of vent run.
5" x 8" venting starts at unit.
Please note that all vertical
measurements are taken from
the base of the unit excluding
risers or bottom stand-offs.