Specifications
EMPYRE PRO SERIES INSTALLATION AND OPERATION MANUAL 23
REFERENCE
How to Correct a Sticking Flapper
How to Check if the Flapper is Sticking
1. Ifthereburnswellwhenloadingdoorisopenbut
dies out when door is closed.
2. If little or no exhaust is present at the chimney when
blower is running. (Open rear door to ensure blower
is running.)
How to Correct a Sticking Flapper
1. Check information to determine if the furnace is
being operated properly.
2. Shut off furnace.
3. Insert wire or hex saw blade through the blower
impellor towards blower exit. Insert wire through pin
hole on top surface of the blower, next to blower exit
mount.
Note:Theapopeningandclosingshouldbeheard
when activated.
4. Turn furnace back on.
5. With blower on, carefully spray lubricant into the
blower for 5 seconds.
Should the Flapper Sticking Problem Persist:
1. Check if furnace is being operated properly.
2. Removeapperunit,checktoensuretheapseals
in the closed position, clean and oil.
How to Remove and Reinstall
1. Disconnect power.
2. Remove blower bolt (use 5/16” socket with long
extension). Pull back on motor to remove.
3. Removeapper(2bolts-use5/16”socket).
4. Inspect apper. Upper tabs on ap must seat in
notches. When laying at with ap closed, tabs
must not be higher than ush with framesurface.
Check with a straight edge; also check if ap in
closed position makes an air tight seal. Also check
apopeningsetting,gapshouldbe7/8”to1”(22
mm to 25 mm) for the Pro Series 200 and 1/2” to
9/16”(13 mm to 14 mm) on the Pro Series 200.
5. Generously apply oil to the ap on the sealing
surfaces.
6. Toinstallmakesureapwill notfalloutofapper
unit. If this is a problem simply apply tape at ap
tabs before installing.
7. Bolttheapperunitintoplace,thenbolttheblower
into place.
Flap tab and notch
Pro Series 200 - Gap to be - 7/8” to 1” (22 mm to 25 mm)
Pro Series 400 - Gap to be - 1/2” to 9/16” (13 mm to 14 mm)










