York TM9T Technical Manual

TECHNICAL GUIDE
96% AFUE TWO STAGE
RESIDENTIAL GAS FURNACES
MULTI-POSITION
MODELS: TM9T
NATURAL GAS
60 - 120 MBH INPUT
Due to continuous product improvement, specifications
are subject to change without notice.
Visit us on the web at www.york.com
Additional rating information can be found at
www.ahridirectory.org
WARRANTY SUMMARY
A 20-year limited warranty on heat exchangers in residential
applications.
A 10-year warranty on the heat exchanger in commercial
applications.
Standard 5-year limited Parts warranty.
Extended lifetime heat exchanger and 10-year limited
parts warranty when product is registered online within
90 days of purchase for replacement or closing for new
home construction.
See Limited Warranty certificate in Users Information Manual for details.
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
DESCRIPTION
These compact units employ induced combustion, reliable hot
surface ignition and high heat transfer aluminized tubular heat
exchangers. The units are factory shipped for installation in
upflow or horizontal applications and may be converted for
downflow applications.
These furnaces are designed for residential installation in a
basement, closet, alcove, attic, recreation room or garage and
are also ideal for commercial applications. All units are factory
assembled, wired and tested to assure safe dependable and
economical installation and operation.
These units are Category IV, National Fuel Gas Code and may be
vented either through side wall or roof applications using approved
plastic combustion air and vent piping. Approved plastic combustion air
and vent piping include Polyflue (a polypropylene venting systems)
FEATURES
• Two stage heating operation includes two stage gas valve,
two stage inducer operation and 4 speed, direct drive PSC
motor blower operation. Adjustable delay timer allows two
stage operation with a single stage thermostat.
• Easily applied in upflow, horizontal left or right, or downflow
installation with minimal conversion necessary.
• Compact, easy to install, ideal height 33" tall cabinet.
• Blower-off delay for cooling SEER improvement.
• Easy access to controls to connect power/control wiring.
• Built-in, high level self diagnostics with fault code display.
• Low unit amp requirement for easy replacement applica-
tion.
• All models are convertable to use propane (LP) gas.
• Electronic Hot Surface Ignition saves fuel cost with
increased dependability and reliability.
• 100% shut off main gas valve for extra safety.
• 24V, 40 VA control transformer and blower relay supplied
for add-on cooling.
• Hi-tech tubular aluminized steel primary heat exchanger
with stainless steel tube/aluminum fin secondary heat
exchanger for outstanding efficiency.
• Solid removable bottom panel allows easy conversion.
• Airflow leakage less than 1% of nominal airflow at duct-
blaster conditions.
• No knockouts to deal with, making installation easier.
• Movable duct connector flanges for application flexibility.
• Quiet inducer operation.
• Inducer rotates for easy conversion of venting options.
• Fully supported blower assembly for easy access and
removal of blower.
• External air filters used for maximum flexibility in meeting
customers IAQ needs.
• Insulated blower compartment for thermal and acoustic
performance.
• 1/4 turn knobs provided for easy independent door
removal.
• Internal condensate trap design (patent pending) provides
condensate management options and is self priming to
prevent nuisance problems.
• Protection included from air intake, exhaust vent or con-
densate blockage.
• Venting applications maybe installed as either 2 pipe
sealed combustion or single pipe vent using indoor com-
bustion air.
444559-YTG-F-0615