SPB − 3 to 5 Ton R−410A Heat Pump Outdoor Units / Page 2
FEATURES
CONTENTS
ARI Ratings Pages 10−12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Commercial Control Systems Pages NO TAG−5. . . . . . . .
Dimensions Page 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Data Page 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features Pages 2−4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Guide Specifications Pages . . . . . . . . . . . . . . . . . . . . . . . . .
Indoor Coil/Air Handler Substitution Page 9. . . . . . . . . . . .
Installation Clearances Page 7. . . . . . . . . . . . . . . . . . . . . . .
Model Number Identification Page 1. . . . . . . . . . . . . . . . . .
Optional Accessories Page 6. . . . . . . . . . . . . . . . . . . . . . . .
Sound Data Page 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications Page 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Warranty
Compressor − limited warranty for five years in
non-residential installations.
All other covered components − one year in
non-residential installations.
Refer to Lennox Equipment Limited Warranty certificate
included with unit for specific details.
Approvals
Certified in accordance with USE certification program
which is based on ARI Standard 210/240−2005.
Sound rated in Lennox reverberant sound test room in
accordance with test conditions included in ARI Standard
270−95.
Tested in the Lennox Research Laboratory environmental
test room.
Rated according to U.S. Department of Energy (DOE) test
procedures.
Heat pumps and components within bonded for
grounding to meet safety standards for servicing required
by UL and CEC.
Units are UL and ULC listed.
ISO 9001 Registered Manufacturing Quality System.
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NERGY STAR® certified units are designed to use less
energy, help save money on utility bills, and help protect
the environment.
ApplicationS
SEER up to 16.0.
Heating COP up to 3.52.
HSPF (region IV) up to 8.70.
3 through 5 ton.
Three−phase power supply.
Sound levels as low as 76 dB.
Vertical air discharge allows concealment behind shrubs
at grade level or out of sight on a roof.
Designed for applications with remotely located indoor air
handlers or add−on indoor coils with FM21
®
dual fuel
furnace control. See FM21
®
bulletin, Controls section.
Also see Indoor Coils and Air Handlers sections for indoor
unit data.
Units shipped completely factory assembled, piped, and
wired. Each unit is test operated at the factory insuring
proper operation.
Installer must set heat pump, connect refrigerant lines,
and make electrical connections to complete job.
For expanded ratings, see www.lennoxcommercial.com.
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REFRIGERATION SYSTEM
Refrigerant
Non−chlorine, ozone friendly, R−410A.
Unit pre−charged with refrigerant.
See Specification table.
Outdoor Coil Fan
Direct drive fan moves large air volumes uniformly
through entire condenser coil for high refrigerant cooling
capacity.
Vertical air discharge minimizes operating sounds and
eliminates damage to lawn and shrubs.
Fan motor has sleeve bearings and is inherently
protected.
Motor totally enclosed for maximum protection from
weather, dust and corrosion
Fan guard constructed of corrosion−resistant PVC
(polyvinyl chloride) coated steel.
Fan service access accomplished by removal of fan
guard.
Copper Tube/Enhanced Fin Coil
Lennox designed and fabricated coil.
Ripple−edged aluminum fins.
Copper tube construction.
Lanced fins provide maximum exposure of fin surface to
air stream resulting in excellent heat transfer.
Fin collars grip tubing for maximum contact area.
Inverted coil circuiting prevents ice buildup at coil base in
low ambients. Discharge gas enters bottom of coil during
defrost and heat of refrigerant flows counter to water
drainage resulting in extremely clean and unobstructed
fins and tubes.
Fin spacing allows rapid and complete water drainage.
Flared shoulder tubing connections/silver soldering
construction.
Coil is factory tested under high pressure to insure
leakproof construction.
Entire coil is accessible for cleaning.
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