Installation, Installing the outside air kit – Regency Excalibur EX90 Large Wood Fireplace (US Edition) User Manual
Page 15

FPI FP90 Wood Fireplace
15
INST
ALLA
TION
installation
installinG tHe
outside air Kit
Combustion air is fed to the firebox through a
connection on the rear lower left side of the unit.
A free flowing supply of air must be available to
this opening at all times. Combustion air may be
taken from inside the building if the local building
code allows, but performance may suffer. Also,
it must go through the 6" (152mm) duct to the
connection on the left hand side.
Air drawn from the interior of the building will
affect the performance of gas or oil furnaces,
and exhaust fans and fan driven appliances.
Outside Air Inlet must be 6 ft. (152mm) below
the chimney termination point
Insulated Metal
6” Duct
Exterior
Wall
Outside
Metal
Vent
Side Connection
Unit
This may cause a negative pressure in the
house allowing smoke to back into the home.
The preferred source of combustion air is from
outside the building. If possible, install the kit
on the wind loading side of the building not the
leeward or (negative pressure) side.
note: do not obtain combustion air from
attic, garage or other enclosed
space.
1) Put the supplied insulated air duct to a nearby
exterior wall. Maximum length of duct is 20ft
(6.1m). Duct length should be kept to a
minimum and as straight as possible.
note:
4 ft. only is supplied with unit. Termination
should be in an area with good air flow.
2) Ensure that your air source is not close to
automobile exhaust, gas meters or other
vents.
3) Cut a 7" (178mm) hole through the wall and
mount the outside air kit.
4) Attach the two ends of the duct (making
sure not to damage the insulating cover)
after installing the flange on the fireplace
taBle 1
required firestop,
radiation shield, or
attic insulation shield
MODEL
1st FLOOR
2nd FLOOR INTO ATTIC
Superior TF8
Joist Shield Firestop
Attic Shield Firestop
Majestic SK8
Joist Shield Firestop
Attic Shield Firestop
Security FTF8
Joist Shield Firestop
Attic Shield Firestop
Simpson DuraVent
Dura-Plus
Intermediate Joist/
Radiation Shield
Attic Radiation Shield
taBle 2
Minimum recommended flue Height in feet
(Measured from the top of the solid fuel appliance)
eleVation (ft)
aBoVe sea leVel
# of elBoWs
0
2 x 15
o
4 x 15
o
2 x 30
o
4 x 30
o
0-1000
12.00
13.00
14.00
15.0
18.00
1000-2000
12.48
13.52
14.56
15.6
18.72
2000-3000
12.96
14.04
15.12
16.2
19.44
3000-4000
13.44
14.56
15.68
16.8
20.16
4000-5000
13.92
15.08
16.24
17.4
20.88
5000-6000
14.40
15.60
16.80
18.0
21.60
6000-7000
14.88
16.12
17.36
18.6
22.32
7000-8000
15.36
16.64
17.92
19.2
23.04
8000-9000
15.84
17.16
18.48
19.8
23.76
9000-10000
16.32
17.68
19.04
20.4
24.48