507148-01
Page 1 of 14
Issue 1406
INSTALLATION INSTRUCTIONS
L85UF, L85BF, L85BR
Variable Speed Oil-Fired Furnaces
Save these instructions for future reference
TABLE OF CONTENTS
START-UP CHECKLIST ........................................2
INSTALLATION .....................................................3
Location ....................................................3
Clearances ...............................................3
Venting ......................................................4
Filters ........................................................7
Variable Speed Features ..........................8
START-UP ...........................................................10
OPERATION ........................................................11
MAINTENANCE AND SERVICE .........................13
WIRING DIAGRAM .............................................14
Manufactured By
Allied Air Enterprises LLC
A Lennox International Inc. Company
215 Metropolitan Drive
West Columbia, SC 29170
Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage.
Refer to this manual. For assistance or additional information, consult a qualified installer or service agency.
WARNING
Do not store combustible materials, including gasoline
and other flammable vapors and liquids, near the furnace,
vent pipe, or warm air ducts. The homeowner should be
cautioned that the furnace area must not be used as a
broom closet or for any other storage purposes. Such uses
may result in actions that could cause property damage,
personal injury, or death.
WARNING
Never burn garbage or paper in the heating system
and never leave rags, paper, or any flammable items
around the unit.
CAUTION
This furnace is not approved for installation in a mobile
home. Do not install this furnace in a mobile home.
Installation in a mobile home could result in actions that
could cause property damage, personal injury, or death.
WARNING
The installation of the furnace, wiring, warm air ducts, venting, etc. must conform to the requirements of the National Fire
Protection Association Standard for the Installation of Oil Burning Equipment, NFPA No. 31; the National Electrical Code,
ANSI/NFPA No. 70 (in the USA); the Installation Code for Oil Burning Equipment, CSA Standard CAN/CSA B139 (in
Canada); the Canadian Electrical Code Part 1, CSA 22.1; the Recommendations of the National Environmental Systems
Contractors Association; and any state or provincial laws or local ordinances. Local authorities having jurisdiction should
be consulted before installation is made. Such applicable regulations or requirements take precedence over the general
instructions in this manual.
CAUTION
(P) 507148-01
*p507148-01*
