York GY8S*UH - Manual
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Table of Contents:
- Page 2 – Unitary Products Group; CABINET AND DUCT DIMENSIONS; Models
- Page 6 – HORIZONTAL SIDEWALL VENTING; The filter pressure drop values in the “Filter Perfor-; RECOMMENDED FILTER SIZES
- Page 7 – Thermostat Chart
- Page 8 – Copyright; Select the filter type.; ACCESSORIES; - A wide selection of compatible
TECHNICAL GUIDE
MODELS: GY8S*UH / LY8S*UH
GAS-FIRED
HIGH EFFICIENCY SINGLE STAGE
UPFLOW/HORIZONTAL FURNACES
STANDARD & Low NOx
NATURAL GAS
40 - 130 MBH INPUT
Due to continuous product improvement, specifica-
tions are subject to change without notice.
Visit us on the web at www.york.com for the most
up-to-date technical information.
Additional information can be found at
www.gamanet.org.
EFFICIENCY
RATING
CERTIFIED
ISO 9001
Certified Quality
Management System
278436-YTG-A-0407
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
DESCRIPTION
These high efficiency, compact units employ induced com-
bustion, reliable hot surface ignition and high heat transfer
aluminized tubular heat exchangers. The units are factory
shipped for installation in upflow or horizontal 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 depend-
able and economical installation and operation.
These units are Category I listed and may be common vented
with another gas appliance as allowed by the National Fuel
Gas Code.
WARRANTY
20-year limited warranty on the heat exchanger.
10-year heat exchanger warranty on commercial applica-
tions.
5-year limited parts warranty.
FEATURES
•
Easily applied in upflow, horizontal left or horizontal right
installation with no conversion necessary.
•
100% shut off main gas valve for added safety.
•
Rollout safety control.
•
Low unit amp requirement for easy application.
•
High quality inducer motor for quiet operation.
•
Built-in self diagnostics with fault code display.
•
Electronic Hot Surface Ignition saves fuel cost with
increased dependability and reliability.
•
Standard terminals for controlling humidifiers and EAC's.
•
40 VA control transformer fuse protected.
•
Easy to connect power and control wiring.
•
Efficiency ratings of 80 AFUE attained by using tubular
heat exchangers.
•
Cooling relay supplied for easy installation of add-on
cooling.
•
Multi-speed PSC, large, quiet direct-drive blower motor
to match cooling requirements.
•
Adjustable fan-off settings to eliminate “cold-blow”.
•
Compact 40-in height allows installation in small space
confines.
•
Low NOx models have been designed to meet specific
code requirements.
•
All models are propane convertible.
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Summary
278436-YTG-A-0407 2 Unitary Products Group FRONT LEFT SIDE RIGHT SIDE B 20 40 A 28-1/2 3/4 14-3/4 5-3/8 (VENT CONNECTIONS) POWER WIRING7/8” HOLE 2-1/2 ACCESSWIRING7/8” K.O. 16 8-3/4 T’STAT WIRING 7/8” K.O. 1-1/8 2-1/4 14 23-1/2 32-1/2 2 13-3/4 GAS INLET1-1/4 x 2-1/2 26-1/2 1-1/2 1-1/4 C 20 5/8 5/8 B...
278436-YTG-A-0407 6 Unitary Products Group HORIZONTAL SIDEWALL VENTING For applications where vertical venting is not possible, theonly approved method of horizontal venting is the use of anauxiliary power vent. Approved power venters are FieldsControls Model SWG-4Y or Tjernlund Model GPAK-JT. Fol-l...
278436-YTG-A-0407 Unitary Products Group 7 For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document available online at www.upgnet.comin the Product Catalog Section. Thermostat Chart AC1 Single Stage A/C w/Single Stage Furnace, 1 Stage Cooling Ready - (G...
