TECHNICAL GUIDE
AFFINITY
MODELS: PS9
GAS-FIRED
CONDENSING / HIGH EFFICIENCY
UPFLOW SINGLE STAGE FURNACES
92% AFUE
NATURAL GAS
40 - 135 MBH INPUT
EFFICIENCY
RATING
CERTIFIED
Due to continuous product improvement, specifications
are subject to change without notice.
Visit us on the web at www.york.com for the most
up-to-date technical information.
Additional rating information can be found at
www.gamanet.org.
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
DESCRIPTION
These Category IV, highly efficient, compact, condensing
type furnaces are designed for residential and commercial
installations in a basement, closet, alcove, recreation room
or garage where the ambient temperature is above 32°F, or
higher. They may be either side wall or thru-roof vented
using approved plastic type combustion air and vent piping.
All units are factory assembled, wired and tested to assure
dependable and economical installation and operation.
WARRANTY
Lifetime limited warranty on both heat exchangers to the
original purchaser; a 20-year limited warranty from original
installation date to subsequent purchaser.
10-year warranty on the heat exchanger in commercial appli-
cations.
5-year limited parts warranty.
FEATURES
• Compact, easy to install, ideal height 40" cabinet
• Blower-off delay for cooling SEER improvement.
• Easy to connect power/control wiring.
• Built-in, high level self diagnostics with fault code display.
• Low unit amp requirement for easy replacement applica-
• Integrated control module for reliable, economical opera-
• High velocity filter and side -return filter rack provided for
• May be installed as either two-pipe (sealed combustion)
• Top intake & vent connection allows installation in narrow
• Electronic Hot Surface Ignition saves fuel cost with
• Induced combustion system with inshot main burners for
• No special vent termination kit required.
• 100% shut off main gas valve for extra safety.
• PSC -four speed, direct drive motor with large, quiet
• 24V, 40 VA control transformer and blower relay supplied
• Hi-tech tubular aluminized steel primary heat exchanger.
• Secondary (condensing) heat exchanger of 29-4C high-
• Timed on, adjustable off blower capability for maximum
• Solid removable bottom panel allows easy application.
ISO 9001
• Easy access from front of unit for cleaning, maintenance
Certified Quality
Management System
• Protection from intake, exhaust or condensate blockage.
• Insulated blower compartment for quiet operation.
• Independent door removal for greater durability and ease
tion.
tion.
easy field installation.
or single pipe vent (using indoor combustion air)
locations.
increased dependability and reliability.
quiet, efficient operation.
blower.
for add-on cooling.
grade stainless steel.
comfort.
or service.
of access.
036-21578-002 Rev. B (0205)