York High Efficiency Furnace Installation and Service Manuals
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INSTALLATION MANUAL

HIGH EFFICIENCY

TUBULAR HEAT EXCHANGER SERIES

MODELS: GY9S*DH / GM9S*DH / GF9S*DH (Single Stage Downflow/Horizontal)

40 - 120 MBH INPUT

(11.72 - 35.17 KW) INPUT

EFFICIENCY

RATING

CERTIFIED

ISO 9001

Certified Quality

Management System

LIST OF SECTIONS

SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

TWINNING AND STAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 COMBUSTION AIR AND VENT SYSTEM . . . . . . . . . . . . . . . . . . . . .14 CONDENSATE PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31 START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .31 WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

LIST OF FIGURES

Transition Kit Assembly

. 6

Sealed Combustion Air Intake Connection and Vent Connection

. . .19

Dimensions

. 7

Combustion Airflow Path Through The Furnace Casing to the Burner

Return Filter Grill and Return Duct Installation

. 8

Box

. . .20

Typical Attic Installation

. 8

Outside and Ambient Combustion Air

. . .21

Typical Suspended Furnace / Crawl Space Installation

. 9

Attic Combustion Air Termination

. . .22

Gas Valve

. 9

Condensate Drain Internal Hose Routing

. . .22

Downflow Gas Piping

. 9

Downflow Condensate Drain Hose Configuration

. . .23

Horizontal Gas Piping

. 9

Horizontal Left Condensate Drain Hose Configuration

. . .24

Electrical Wiring

11

Horizontal Left Condensate Drain Hose Configuration

. . .25

Thermostat Chart

12

Horizontal Right Condensate Drain Hose Configuration

 

Accessory Connections

13

(Option 1 - Front of Casing)

. . .27

Typical Twinned Furnace Application

13

Horizontal Right Condensate Drain Hose Configuration

 

Single Stage Twinning Wiring Diagram

14

(Option 1 - Front of Casing)

. . .28

Two-Stage Twinning Wiring Diagram

14

Horizontal Right Condensate Drain Hose Configuration

 

Dimensions

16

(Option 2 - Back of Casing)

. . .29

Home Layout

17

Horizontal Right Condensate Drain Hose Configuration

 

Downflow/Horizontal Vent Assembly

18

(Option 2 - Back of Casing)

. . .30

Termination Configuration - 1 Pipe

18

Pressure Switch Tubing Routing

. . .31

Termination Configuration - 2 Pipe

18

Gas Valve

. . .34

Termination Configuration - 2 Pipe Horizontal

18

Reading Gas Pressure

. . .35

Crawl Space Termination Configuration - 2Pipe

19

Furnace Control Board

. . .35

Double Horizontal Sealed Combustion Air and Vent Termination . . .

19

Wiring Diagram

. . .39

Double Vertical Sealed Combustion Air and Vent Termination

19

 

 

LIST OF TABLES

Unit Clearances to Combustibles

. 4

Combustion Air Intake and Vent Connection Size at Furnace

 

Minimum Duct Sizing For Proper Airflow

. 5

(All Models)

16

Round Duct Size

. 5

Estimated Free Area

20

Cabinet and Duct Dimensions

. 7

Free Area - Outdoor Air

20

Recommended Filter Sizes

. 7

Unconfined Space Minimum Area in Square Inches

20

Nominal Manifold Pressure

10

Condensate Drain Hose

22

Electrical and Performance Data

10

Inlet Gas Pressure Range

34

Maximum Equivalent Pipe Length

15

Nominal Manifold Pressure

34

Equivalent Length of Fittings

15

Blower Performance CFM

37

Elbow Dimensions

16

Filter Performance - Pressure Drop Inches W.C. and (kPa)

37

SECTION I: SAFETY

This is a safety alert symbol. When you see this symbol on labels or in manuals, be alert to the potential for personal

injury.

Understand and pay particular attention to the signal words DANGER,

WARNING, or CAUTION.

DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation, which, if not

avoided may result in minor or moderate injury. It is also used to

alert against unsafe practices and hazards involving only property dam- age.

Improper installation may create a condition where the operation of the product could cause personal injury or property damage.

Improper installation, adjustment, alteration, service or mainte- nance can cause injury or property damage. Refer to this manual for assistance or for additional information, consult a qualified con- tractor, installer or service agency.

This product must be installed in strict compliance with the installa- tion instructions and any applicable local, state, and national codes including, but not limited to building, electrical, and mechanical codes.

268890-UIM-B-0607

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Contents List of Sections Section I SafetyList of Figures List of TablesSafety Requirements Specific Safety Rules and PrecautionsAnce to a 50 HZ Power Supply or a Voltage Above 130 Volts Combustion AIR Quality List of ContaminantsFurnace Location and Clearances InspectionDirectly BELOW. Keep Clear of ALL OBSTRUC- Tions Ductwork Installation Floor Base and Ductwork InstallationSection II Ductwork Ductwork General InformationReturn1 Rectangular2 Round2 Supply3 InputRound Duct Size Horizontal Installations Without a Cooling Coil Cabinet Horizontal Installations With a Cooling Coil CabinetDownflow Air Conditioning Coil Cabinet Horizontal ModelsSection III Filters Filter InstallationCFM Suspended Furnace / Crawl Space Installation Attic InstallationDownflow Filters Horizontal ApplicationSection IV GAS Piping Electrical Power Connections Section V Electrical PowerAfue Supply Voltage Connections LOW Voltage Control Wiring ConnectionsAC1 Section VI Twinning and Staging Section VII Combustion AIR and Vent System Combustion AIR and Vent SafetyStaging Model Input Pipe Size Maximum Combustion AIR/VENT Pipe SizingElbow Dimension Combustion AIR and Vent Piping AssemblyCombustion AIR / Vent Clearances Furnace Vent Connection SizesHome Layout Vent ClearancesHorizontal Vent Assembly Downflow Vent AssemblyVent System Horizontal Vent Applications and TerminationVenting Multiple Units Vertical Vent Applications TerminationCombustion AIR Supply Outdoor Combustion AirCombustion Air Source From Outdoors Ambient Combustion Air SupplyDampers, Louvers and Grilles Canada Only BtuhVentilated Combustion Air Vent and Supply Outside Air Safety Check ProcedureVentilated Combustion Air Termination Condensate Drain Section Viii Condensate PipingCondensate Drain Trap and Drain Freeze Protection Condensate Drain Hose Part NumbersHorizontal Left Air Flow Inducer Low Refer to Figures 31 Hose #5 Hose #1Hose #9 Hose #4 Hose #6 Horizontal Right Air Flow Inducer High Refer to Figures Unitary Products Group HOSE#1 Hose #2 Barbed TEE Hose #4 Hose #7 Hose #9 Section X START-UP Adjustments Section IX Safety ControlsCalculating the Furnace Input Natural GAS Ignition System SequenceUSA use the following formula to calculate the furnace input Inlet GAS Pressure Range Adjustment of Manifold GAS PressureNominal Manifold Pressure Reading the gas pressure with the burner box cover in placeAdjustment of FAN Control Settings Adjustment of Temperature RiseWith Burner BOX Cover in Place With Burner BOX Cover RemovedDiagnostic Fault Code Storage and Retrieval Furnace Control DiagnosticsSlow Green Flash Normal operation Ignition ControlModels Filter PerformanceAirflow Range Minimum Filter Type Opening Size Disposable PleatedApplying Filter Pressure Drop to Determine System Airflow Field Installed Accessories NON-ELECTRICALModel no Description Used with Section XI Wiring Diagram Unitary 5005 Norman Product York Group Drive 73069

GF9S*DH, GY9S*DH, GM9S*DH specifications

The York GM9S*DH, GF9S*DH, and GY9S*DH series air conditioning systems are known for their robust performance, reliability, and energy efficiency. These models are well-suited for both residential and light commercial applications, making them versatile options for a range of users.

One of the standout features of these systems is their high efficiency. The GM9S*DH is equipped with advanced heating and cooling technologies that allow it to achieve excellent SEER (Seasonal Energy Efficiency Ratio) ratings. This translates to lower energy consumption and reduced utility bills for homeowners and business operators alike. The GF9S*DH model further enhances this efficiency by incorporating variable-speed blowers that adjust airflow based on specific needs, ensuring that the system operates only as necessary.

Reliability is another key characteristic of the York GM9S*DH, GF9S*DH, and GY9S*DH series. These models are engineered with durable components and rigorous performance testing, which contributes to their long lifespan and minimizes the need for repairs. Moreover, they come with robust warranties that provide peace of mind for consumers.

In terms of technology, these units utilize a smart thermostat feature that allows for precise temperature control and programmable settings. This feature not only enhances comfort but also contributes to energy savings by allowing users to set optimal cooling or heating schedules. The systems are also designed with quiet operation in mind, employing sound-dampening features that minimize noise levels, which is particularly beneficial for residential installations.

The installation of the York GM9S*DH, GF9S*DH, and GY9S*DH systems is straightforward, offering flexibility in placement and integration with various home or office setups. Their compact design allows them to fit seamlessly into different environments without compromising on performance.

Additionally, the systems are equipped with advanced filtration options that improve indoor air quality by capturing allergens and pollutants. This is particularly beneficial for families with children or members who suffer from allergies.

Overall, the York GM9S*DH, GF9S*DH, and GY9S*DH series provide exceptional performance, energy efficiency, and reliability, making them an ideal choice for maintaining a comfortable indoor environment. With their cutting-edge technologies and user-friendly features, these systems represent an excellent investment for anyone looking to enhance their heating and cooling experience.
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