York PS9 - User Manual

105564-UIM-A-0205
HIGH EFFICIENCY
TUBULAR HEAT EXCHANGER SERIES
MODELS: PS9 / FC9S / FL9S
(Single Stage Upflow)
40 - 135 MBH INPUT
(11.7 - 39.6 KW) INPUT
INSTALLATION MANUAL
EFFICIENCY
RATING
CERTIFIED
ISO 9001
Certified Quality
Management System
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.
LIST OF SECTIONS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TWINNING AND STAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
COMBUSTION AIR AND VENT SYSTEM . . . . . . . . . . . . . . . . . . . . .11
CONDENSATE PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .19
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
LIST OF FIGURES
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Furnace Base Rectangular Blockoff Panel . . . . . . . . . . . . . . . . . . . . . 6
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Line Wiring Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Single Stage Heat Thermostat Connections . . . . . . . . . . . . . . . . . . . . 9
Single Stage Heating and Two-Stage Cooling
Thermostat Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Accessory Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Typical Twinned Furnace Application . . . . . . . . . . . . . . . . . . . . . . . . 10
Single Stage Twinning Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . 10
Two-Stage Twinning Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 11
Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . . . . . . .14
Double Horizontal Sealed Combustion Air and Vent Termination . . .15
Double Vertical Sealed Combustion Air and Vent Termination . . . . .15
Sealed Combustion Air Intake Connection and Vent Connection . . .15
Combustion Airflow Path Through The Furnace Casing . . . . . . . . . .15
Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . .17
Attic and Crawl Space Combustion Air Termination . . . . . . . . . . . . . .18
Condensate Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Pressure Switch Tube Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Typical Heat/Cool Speed Tap Connections . . . . . . . . . . . . . . . . . . . .22
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
LIST OF TABLES
Unit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Minimum Duct Sizing For Proper Airflow . . . . . . . . . . . . . . . . . . . . . . . 4
Round Duct Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Filter Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
High Altitude Conversion (40-120 MBTUH Models) . . . . . . . . . . . . . . . 7
High Altitude Conversion (135 MBTUH Models) . . . . . . . . . . . . . . . . . 7
Electrical and Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Combustion Air Intake and Vent Connection Size at Furnace
(All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Combustion Air Supply and Vent Piping . . . . . . . . . . . . . . . . . . . . . . .12
Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Unconfined Space Minimum Area in Square Inch . . . . . . . . . . . . . . .16
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Blower Performance CFM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Filter Performance - Pressure Drop Inches W.C. and (kPa) . . . . . . . .23

Summary

SECTION I: SAFETY

SAFETY ALERT SYMBOL AND SIGNAL WORDS

Explains the safety alert symbol and signal words (DANGER, WARNING, CAUTION).

SPECIFIC SAFETY RULES AND PRECAUTIONS

GENERAL SAFETY RULES

Lists general safety rules and precautions for furnace installation and operation.

COMBUSTION AIR QUALITY

Discusses requirements for combustion air quality and potential contaminants.

SECTION II: DUCTWORK

FURNACE LOCATION AND CLEARANCES

Provides guidelines for furnace placement and required clearances.

DUCTWORK GENERAL INFORMATION

Outlines general requirements for duct system design and installation.

DUCTWORK INSTALLATION AND SUPPLY PLENUM CONNECTION

DUCT SIZING GUIDELINES

Explains how to size ductwork for proper airflow and furnace operation.

RESIDENTIAL AND NON HUD MODULAR HOME RETURN PLENUM CONNECTION

BOTTOM RETURN AND ATTIC INSTALLATIONS

Details considerations for bottom return air and attic installations.

SECTION III: FILTERS

FILTER INSTALLATION

Instructions for installing the furnace filter.

SECTION IV: GAS PIPING

GAS SAFETY

Highlights critical safety warnings related to gas piping and pressure.

GAS ORIFICE CONVERSION

HIGH ALTITUDE GAS ORIFICE CONVERSION

Details changing gas orifices for high altitude installations.

HIGH ALTITUDE PRESSURE SWITCH CONVERSION

Describes pressure switch adjustments for high altitudes.

SECTION V: ELECTRICAL POWER

ELECTRICAL POWER CONNECTIONS

Provides instructions for connecting electrical power to the unit.

SUPPLY VOLTAGE CONNECTIONS

Details how to make proper supply voltage connections.

LOW VOLTAGE CONTROL WIRING CONNECTIONS

LINE WIRING CONNECTIONS

Explains how to connect thermostat and other low voltage wiring.

SECTION VI: TWINNING AND STAGING

TWINNING DUCT SYSTEM

Describes duct system requirements when twinning furnaces.

SINGLE-WIRE TWINNING

SINGLE-WIRE TWINNING INSTRUCTIONS

Provides step-by-step instructions for single-wire twinning.

STAGING

SINGLE-WIRE STAGING INSTRUCTIONS

Details instructions for staging two furnaces using a single wire.

SECTION VII: COMBUSTION AIR AND VENT SYSTEM

COMBUSTION AIR AND VENT SAFETY

Covers safety aspects of combustion air and vent system installation.

COMBUSTION AIR;VENT PIPE SIZING

Explains how to size combustion air and vent piping.

COMBUSTION AIR AND VENT PIPING ASSEMBLY

COMBUSTION AIR AND VENT PIPING ASSEMBLY PROCEDURE

Outlines the steps for assembling the combustion air and vent piping.

COMBUSTION AIR;VENT CLEARANCES

COMBUSTION AIR;VENT CLEARANCES REQUIREMENTS

Specifies minimum clearances for combustion air and vent components.

VENT CLEARANCES

CANADIAN INSTALLATIONS

Provides vent clearance requirements for Canadian installations.

US INSTALLATIONS

Provides vent clearance requirements for US installations.

VENT SYSTEM

HORIZONTAL VENT APPLICATIONS AND TERMINATION

Details considerations for horizontal vent termination.

VERTICAL VENT APPLICATIONS AND TERMINATION

Details considerations for vertical vent termination.

COMBUSTION AIR SUPPLY

OUTDOOR COMBUSTION AIR

Explains requirements for outdoor combustion air supply.

AMBIENT COMBUSTION AIR SUPPLY

Describes ambient combustion air supply methods.

CONFINED SPACE REQUIREMENTS

COMBUSTION AIR SOURCE FROM OUTDOORS

Discusses outdoor sources for combustion air.

AIR SUPPLY OPENINGS AND DUCTS

VENT AND SUPPLY (OUTSIDE) AIR SAFETY CHECK PROCEDURE

Outlines safety checks for vent and supply air systems.

VENTILATED COMBUSTION AIR

Explains ventilated combustion air requirements.

SECTION VIII: CONDENSATE PIPING

CONDENSATE DRAIN

Provides instructions for condensate drain installation and filling.

CONDENSATE DRAIN TERMINATION

Details proper termination of condensate drain lines.

SECTION IX: SAFETY CONTROLS

CONTROL CIRCUIT FUSE

Describes the control circuit fuse and its function.

SECTION X: START-UP AND ADJUSTMENTS

TOOLS AND INFORMATION THAT WILL BE REQUIRED

Lists tools and information needed for furnace start-up.

IGNITION SYSTEM SEQUENCE

Explains the sequence of operations during furnace ignition.

CALCULATING THE FURNACE INPUT (NATURAL GAS)

INPUT CALCULATION FORMULAS

Provides formulas for calculating furnace input using different gas meters.

INLET GAS PRESSURE RANGE

ADJUSTMENT OF MANIFOLD GAS PRESSURE

Details how to measure and adjust manifold gas pressure.

ADJUSTMENT OF TEMPERATURE RISE

ADJUSTMENT OF FAN CONTROL SETTINGS

Explains how to adjust fan control settings for desired airflow.

APPLYING FILTER PRESSURE DROP TO DETERMINE SYSTEM AIRFLOW

FIELD INSTALLED ACCESSORIES - NON-ELECTRICAL

Lists available non-electrical field-installed accessories.

SECTION XI: WIRING DIAGRAM

LADDER DIAGRAM

Presents the ladder diagram for furnace wiring connections.

York PS9 Specifications

General

Refrigerant Type	R-410A
Compressor Type	Scroll
SEER	Up to 16
Voltage	208/230V
Dimensions (L x W x H)	Varies by model
Weight	Varies by model