Unitary products group GM8S*DH User Manual download pdf

MODELS: GM8S-DH/LM8S-DH

GAS-FIRED

HIGH EFFICIENCY SINGLE STAGE

DOWNFLOW/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

279748-BTG-A-0407

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

TECHNICAL

GUIDE

TECHNICAL

GUIDE

DESCRIPTION

These high efficiency, downflow/horizontal compact units

employ induced combustion, reliable hot surface ignition and

high heat transfer tubular heat exchangers.

These furnaces are designed for residential installation in a

closet, attic or garage and are ideal for commercial applica-

tions. All units are factory assembled, wired and tested to

assure safe dependable 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 ANSI Z223.1 (latest edition).

WARRANTY

20-year limited warranty on the heat exchanger.

10-year heat exchanger warranty on commercial applica-

tions.

5-year limited parts warranty.

FEATURES

• Downflow/Horizontal models may be easily applied with-

out any field conversion

• Top vent connection allows installation in narrow loca-

tions

• Electronic hot surface ignition with high reliability and

dependability

• 100% shut off main gas valve for added safety

• High quality inducer motor for quiet operation

• Standard terminals for controlling humidifiers & 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 standard for easy installation of add-on

cooling

• Blower off-delay for cooling SEER improvement

• Multi-speed PSC, direct-drive blower motors 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.

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - TECHNICAL

MODELS: GM8S-DH/LM8S-DHGAS-FIREDHIGH EFFICIENCY SINGLE STAGE DOWNFLOW/HORIZONTAL FURNACESSTANDARD & Low NOx NATURAL GAS40 - 130 MBH INPUTDue to co

Page 2 - CABINET AND DUCT DIMENSIONS

279748-BTG-A-04072 Unitary Products GroupFRONTLEFT SIDERIGHT SIDEFRONTFRONTBOTTOM IMAGETOP IMAGEAB403/42031-1/85-3/42-1/228-1/21-1/87-3/8AC201-1/4T’ST

Page 3 - Unitary Products Group 3

279748-BTG-A-0407Unitary Products Group 3Wire size and over current protection must comply with the National Electrical Code (NFPA-70-latest edition)

Page 4 - 4 Unitary Products Group

279748-BTG-A-04074 Unitary Products GroupNOTES:1. Airflow expressed in standard cubic feet per minute (CFM).2. Motor voltage at 115 V.BLOWER PERFORMAN

Page 5 - DETERMINE SYSTEM AIRFLOW

279748-BTG-A-0407Unitary Products Group 5HORIZONTAL SIDEWALL VENTINGFor applications where vertical venting is not possible, theonly approved method o

Page 6 - ACCESSORIES

279748-BTG-A-04076 Unitary Products Group1240 - 56 = 1184ACCESSORIESPROPANE (LP) CONVERSION KIT - 1NP0347 (ALL MODELS)This accessory conversion kit ma

Page 7 - Thermostat Chart

279748-BTG-A-0407Unitary Products Group 7For additional connection diagrams for all UPG equipment refer to “Low Voltage System Wiring” document availa

Page 8 - Group Drive 73069

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Unitary products group GM8S*DH User Manual

Browse online or download User Manual for Heat pumps Unitary products group GM8S*DH. TECHNICAL GUIDE TECHNICAL GUIDE

Summary of Contents

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