FMI MF42ONE - Manual (Page 7)

www.fmiproducts.com 125636-01A 7
INSTALLATION
Continued
INSTALLING APPLIANCE BASE ASSEMBLy
Area of Various Standard Round Flues
Diameter Area
5" 20 sq. inches
6" 29 sq. inches
7" 39 sq. inches
8" 51 sq. inches
Chimney Height Minimum Permanent Flue Opening
6' to 15' 39 sq. inches
15' to 30' 29 sq. inches
Figure 8 - Attaching Damper Clamp
Damper
Damper
Clamp
Damper
Damper
Clamp
Damper
Manufactured Fireplace Masonry Fireplace
INSTALLING APPLIANCE BASE ASSEMBLY
WARNING: You must secure this appliance
to fireplace floor. If not, appliance will move
when you adjust controls. Moving appliance
may cause a gas leak.
WARNING: If installing in a sunken fireplace,
special care is needed. You must raise the fire-
place floor to allow access to appliance control
panel. This will insure adequate air flow and
guard against sooting and controls being dam-
aged. Raise fireplace floor with noncombustible
material. Make sure material is secure.
Figure 9 - Connecting Incoming Gas Line to Flex Gas Line
Note:
1) Wire connections not
shown for clarity
2) * 1/8" NPT Plugged
Tapping
MAIN
IN
OUT
PILOT ADJ PILOT
Pilot Adjustment Inlet Pressure Tap
Outlet Pressure Tap
Gas Shutoff
Valve
Flexible
Gas Line
Do NOT
Kink
1/2" NPT
Incoming
Gas Line
Set Screw
Installation Items Needed
• hardware package (provided with appliance)
• approved flexible gas hose and fittings provided (if allowed
by local codes)
• sealant (resistant to propane/LP gas, not provided)
• electric drill with 3/16” masonry drill bit
1. Apply pipe joint sealant lightly to male threads of the 1/2
NPT side of gas fitting elbow (provided) and connect to inlet
side of gas control. Remove gas fitting from flexible gas
hose (provided) before connecting to elbow (see Figure
9).
2. Position appliance base assembly in fireplace.
3. Mark screw locations through holes in front panel of base
(see Figure 10, page 8). If installing in a brick-bottom fire-
place, mark screw locations in mortar joint of bricks.
4. Remove appliance base from fireplace.
5. Drill holes at marked locations using 3/16" drill bit.
6. Attach base, through holes in back side panels of base, to
fireplace floor using masonry screws provided in hardware
package (see Figure 10, page 8).
7. Connect to gas supply. See Connecting To Gas Supply,
page 8.