SLP98UHV / Page 8
FEATURES
FILTER (NOT FURNISHED)
Filter and provisions for external mounting must be eld
provided.
OPTIONS
Air Filter and Rack Kit for Horizontal Return Air
(End) Applications
Washable or vacuum cleanable polyurethane frame
type lter and external end return air rack available for
eld installation.
Rack has lter door for easy lter servicing.
Flanges on rack allow easy duct connection.
See dimension drawing.
Air Filter and Rack Kit for Upow Side Return Air
Applications - Not for use with Return Air Base
Washable or vacuum cleanable polyurethane frame
type lter and external side return air rack available for
eld installation.
Available in single and ten pack kits.
Rack has lter door for easy lter servicing.
Flanges on rack allow easy duct connection.
Field installs on either side of unit cabinet. See
dimension drawing.
INDOOR AIR QUALITY
See Indoor Air Quality section and Lennox Price Book
for a complete list of indoor air quality products (air
purication systems, high efciency air lters and lter
cabinets, UV lights, humidiers, fresh air ventilation
system and heat/energy recovery systems).
INSTALLATION CLEARANCES
Sides
1
0 inches (0 mm)
Rear 0 inches (0 mm)
Top/Plenum 1 inch (25 mm)
Front 0 inches (0 mm)
Front (service/alcove) 24 inches (610 mm)
Floor
2
Combustible
NOTE - Air for combustion must conform to the methods outlined in the National Fuel Gas Code (NFPA 54/ANSI-
Z223.1) or the National Standard of Canada CAN/CSA-B149.1 “Natural Gas and Propane Installation
Code”.
NOTE - In the U.S. ue sizing must conform to the methods outlined in the current National Fuel Gas Code (NFPA
54/ANSI-Z223.1) or applicable provisions of local building codes. In Canada ue sizing must conform to
the methods outlined in National Standard of Canada CAN/CSA-B149.1.
1
Allow proper clearances to accommodate condensate trap and vent pipe installation.
2
Do not install the furnace directly on carpeting, tile, or other combustible materials other than wood ooring.
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