York GF9S*DH, GM9S*DH, GY9S*DH Specific Safety Rules and Precautions, Safety Requirements

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268890-UIM-B-0607

SPECIFIC SAFETY RULES AND PRECAUTIONS

1.Only Natural gas or Propane (LP) gas are approved for use with this furnace. Refer to the furnace rating plate or Section IV of these instructions.

2.Install this furnace only in a location and position as specified in SECTION I of these instructions.

3.A gas-fired furnace for installation in a residential garage must be installed as specified in SECTION I of these instructions.

4.Provide adequate combustion and ventilation air to the furnace space as specified in SECTION VI of these instructions.

5.Combustion products must be discharged outdoors. Connect this furnace to an approved vent system only, as specified in SEC- TION VII of these instructions.

FIRE OR EXPLOSION HAZARD

Failure to follow the safety warnings exactly could result in serious injury, death or property damage.

Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for detection of leaks to check all connections. A fire or explosion may result causing prop- erty damage, personal injury or loss of life.

6.Tests for gas leaks as specified in SECTION X of these instruc- tions.

7.Always install the furnace to operate within the furnace’s intended temperature rise range. Only connect the furnace to a duct system which has an external static pressure within the allowable range, as specified on the furnace rating plate.

8.When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall also be handled by duct(s) sealed to the fur- nace casing and terminating outside the space containing the fur- nace.

9.It is permitted to use the furnace for heating of buildings or struc- tures under construction. Installation must comply with all manu- facturer’s installation instructions including:

•Proper vent installation;

•Furnace operating under thermostatic control;

•Return air duct sealed to the furnace;

•Air filters in place;

•Set furnace input rate and temperature rise per rating plate marking;

•Means for providing outdoor air required for combustion;

•Return air temperature maintained between 55ºF (13ºC) and 80ºF (27ºC);

•The air filter must be replaced upon substantial completion of the construction process;

•Clean furnace, duct work and components upon substantial completion of the construction process, and verify furnace- operating conditions including ignition, input rate, temperature rise and venting, according to the manufacturer’s instructions.

10.When installed in a Non-HUD-Approved Modular Home or building constructed on-site, combustion air shall not be supplied from occupied spaces.

11.The size of the unit should be based on an acceptable heat loss calculation for the structure. ACCA, Manual J or other approved methods may be used.

SAFETY REQUIREMENTS

•This furnace should be installed in accordance with all national and local building/safety codes and requirements, local plumbing or wastewater codes, and other applicable codes. In the absence of local codes, install in accordance with the National Fuel Gas Code ANSI Z223.1/NFPA 54, National Fuel Gas Code, and/or CAN/CGA B149.1 Natural Gas and Propane Installation Code (latest editions). Furnaces have been certified to the latest edition of standard ANSI Z21-47 • CSA 2.3.

•Refer to the unit rating plate for the furnace model number, and then see the dimensions page of this instruction for return air ple- num dimensions in Figure 3. The plenum must be installed according to the instructions.

•Provide clearances from combustible materials as listed under Clearances to Combustibles in Table 1.

•Provide clearances for servicing ensuring that service access is allowed for both the burners and blower.

•These models ARE NOT CSA listed or approved for installation into a HUD Approved Modular Home or a Manufactured (Mobile) Home.

•This furnace is not approved for installation in trailers or recre- ational vehicles.

•Failure to carefully read and follow all instructions in this manual can result in furnace malfunction, death, personal injury and/or property damage.

•Furnaces for installation on combustible flooring shall not be installed directly on carpeting, tile or other combustible material other than wood flooring.

•Check the rating plate and power supply to be sure that the elec- trical characteristics match. All models use nominal 115 VAC, 1 Phase, 60-Hertz power supply. DO NOT CONNECT THIS APPLI-

ANCE TO A 50 HZ POWER SUPPLY OR A VOLTAGE ABOVE 130 VOLTS.

•Furnace shall be installed so the electrical components are pro- tected from water.

•Installing and servicing heating equipment can be hazardous due to the electrical components and the gas fired components. Only trained and qualified personnel should install, repair, or service gas heating equipment. Untrained service personnel can perform basic maintenance functions such as cleaning and replacing the air filters. When working on heating equipment, observe precau- tions in the manuals and on the labels attached to the unit and other safety precautions that may apply.

•These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances these instructions exceed certain local codes and ordinances, especially those who have not kept up with changing residential and non-HUD modular home construction practices. These instructions are required as a minimum for a safe installation.

COMBUSTION AIR QUALITY (LIST OF CONTAMINANTS)

The furnace will require OUTDOOR AIR for combustion when the fur- nace is located in any of the following environments.

•Restricted Environments

•Commercial buildings

•Buildings with indoor pools

•Furnaces installed in laundry rooms

•Furnaces installed in hobby or craft rooms

•Furnaces installed near chemical storage areas

•Chemical exposure

The furnace will require OUTDOOR AIR for combustion when the fur- nace is located in an area where the furnace is being exposed to the fol- lowing substances and / or chemicals.

•Permanent wave solutions

•Chlorinated waxes and cleaners

•Chlorine based swimming pool chemicals

•Water softening chemicals

•De-icing salts or chemicals

•Carbon tetrachloride

•Halogen type refrigerants

•Cleaning solvents (such as perchloroethylene)

•Printing inks, paint removers, varnishes, etc.

•Hydrochloric acid

•Cements and glues

•Antistatic fabric softeners for clothes dryers

•Masonry acid washing materials

When outdoor air is used for combustion, the combustion air intake pipe termination must be located external to the building and in an area where there will be no exposure to the substances listed above.

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Unitary Products Group

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Contents List of Figures Section I SafetyList of Sections List of TablesAnce to a 50 HZ Power Supply or a Voltage Above 130 Volts Specific Safety Rules and PrecautionsSafety Requirements Combustion AIR Quality List of ContaminantsDirectly BELOW. Keep Clear of ALL OBSTRUC- Tions InspectionFurnace Location and Clearances Section II Ductwork Floor Base and Ductwork InstallationDuctwork Installation Ductwork General InformationRound Duct Size InputReturn1 Rectangular2 Round2 Supply3 Downflow Air Conditioning Coil Cabinet Horizontal Installations With a Cooling Coil CabinetHorizontal Installations Without a Cooling Coil Cabinet Horizontal ModelsCFM Filter InstallationSection III Filters Downflow Filters Attic InstallationSuspended Furnace / Crawl Space Installation Horizontal ApplicationSection IV GAS Piping Afue Section V Electrical PowerElectrical Power Connections LOW Voltage Control Wiring Connections Supply Voltage ConnectionsAC1 Section VI Twinning and Staging Staging Combustion AIR and Vent SafetySection VII Combustion AIR and Vent System Combustion AIR/VENT Pipe Sizing Model Input Pipe Size MaximumCombustion AIR / Vent Clearances Combustion AIR and Vent Piping AssemblyElbow Dimension Furnace Vent Connection SizesVent Clearances Home LayoutVent System Downflow Vent AssemblyHorizontal Vent Assembly Horizontal Vent Applications and TerminationCombustion AIR Supply Vertical Vent Applications TerminationVenting Multiple Units Outdoor Combustion AirDampers, Louvers and Grilles Canada Only Ambient Combustion Air SupplyCombustion Air Source From Outdoors BtuhVentilated Combustion Air Termination Vent and Supply Outside Air Safety Check ProcedureVentilated Combustion Air Condensate Drain Trap and Drain Freeze Protection Section Viii Condensate PipingCondensate Drain Condensate Drain Hose Part NumbersHose #5 Hose #1 Horizontal Left Air Flow Inducer Low Refer to Figures 31Hose #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 IX Safety Controls Section X START-UP AdjustmentsIgnition System Sequence Calculating the Furnace Input Natural GASUSA use the following formula to calculate the furnace input Nominal Manifold Pressure Adjustment of Manifold GAS PressureInlet GAS Pressure Range Reading the gas pressure with the burner box cover in placeWith Burner BOX Cover in Place Adjustment of Temperature RiseAdjustment of FAN Control Settings With Burner BOX Cover RemovedSlow Green Flash Normal operation Furnace Control DiagnosticsDiagnostic Fault Code Storage and Retrieval Ignition ControlAirflow Range Minimum Filter Type Opening Size Disposable Filter PerformanceModels PleatedModel no Description Used with Field Installed Accessories NON-ELECTRICALApplying Filter Pressure Drop to Determine System Airflow 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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