York PC9*DH Installation Manual download pdf

292306-UIM-A-0108

HIGH EFFICIENCY

TUBULAR HEAT EXCHANGER SERIES

MODELS: PC9*DH, FC9C*DH, FL9C*DH

(Modulating Downflow/Horizontal with ECM Motor)

60 - 120 MBH INPUT

(17.6 - 35.2 KW) INPUT

INSTALLATION MANUAL

EFFICIENCY

RATING

CERTIFIED

ISO 9001

Certified Quality

Management System

SECTION I: FURNACE DESCRIPTION

This furnace is a modulating furnace. It is designed to maximize the

comfort in the home and to minimize the sound level in the home by

varying (modulating) the gas input and the circulating airflow to closely

match the amount of heating needed at any given time.

SECTION II: 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

FURNACE DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

COMBUSTION AIR AND VENT SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

CONDENSATE PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

NORMAL OPERATION AND DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . 38

WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

LIST OF FIGURES

Combustible Floor Base Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Transition Kit Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Accessory Downflow Filter Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Return Filter Grill and Return Duct Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Typical Attic Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Typical Suspended Furnace / Crawl Space Installation . . . . . . . . . . . . . . . . . . . .9

Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Downflow Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Horizontal Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Thermostat Chart – Two Stage AC - Variable Speed Modulating Furnace . . . . 12

Thermostat Chart – Two Stage AC - Variable Speed Modulating Furnace . . . . 13

Thermostat Chart – Two Stage AC - Variable Speed Modulating Furnace . . . . 14

Thermostat Chart – Two Stage HP - Variable Speed Modulating Furnace

with Hot Heat Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Thermostat Chart – Two Stage HP - Variable Speed Modulating

Furnace with Hot Heat Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Accessory Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Downflow/Horizontal Vent Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Termination Configuration - 2 Pipe Horizontal . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Crawl Space Termination Configuration - 2Pipe . . . . . . . . . . . . . . . . . . . . . . . . 21

Double Horizontal Sealed Combustion Air and Vent Termination . . . . . . . . . . . 21

Double Vertical Sealed Combustion Air and Vent Termination . . . . . . . . . . . . . 21

Sealed Combustion Air Intake Connection and Vent Connection . . . . . . . . . . . 22

Combustion Airflow Path Through The Furnace Casing to the Burner Box . . . 22

Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Attic Combustion Air Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Condensate Drain Internal Hose Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Downflow Condensate Drain Hose Configuration . . . . . . . . . . . . . . . . . . . . . . . 25

Horizontal Left Condensate Drain Hose Configuration . . . . . . . . . . . . . . . . . . . 26

Horizontal Left Condensate Drain Hose Configuration . . . . . . . . . . . . . . . . . . . 27

Horizontal Right Condensate Drain Hose Configuration

(Option 1 - Front of Casing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Horizontal Right Condensate Drain Hose Configuration

(Option 1 - Front of Casing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Horizontal Right Condensate Drain Hose Configuration

(Option 2 - Back of Casing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Horizontal Right Condensate Drain Hose Configuration

(Option 2 - Back of Casing) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

LIST OF TABLES

Unit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Minimum Duct Sizing For Proper Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Round Duct Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Filter Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Electrical and Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Maximum Equivalent Pipe Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Equivalent Length of Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Elbow Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Combustion Air Intake and Vent Connection Size at Furnace (All Models) . . . .18

Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Unconfined Space Minimum Area in Square Inch . . . . . . . . . . . . . . . . . . . . . . . 22

Condensate Drain Hose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Cooling Airflow - A/C Capacity in Tons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Air Flow Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Filter Performance - Pressure Drop Inches W.C. and (kPa) . . . . . . . . . . . . . . . 41

Field Installed Accessories - Non-Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

1 2 ... 42

Summary of Contents

Page 1 - INSTALLATION MANUAL

292306-UIM-A-0108HIGH EFFICIENCYTUBULAR HEAT EXCHANGER SERIESMODELS: PC9*DH, FC9C*DH, FL9C*DH(Modulating Downflow/Horizontal with ECM Motor)60 - 120 M

Page 2

292306-UIM-A-010810 Unitary Products GroupIMPORTANT: An accessible manual shut-off valve must be installedupstream of the furnace gas controls and wit

Page 3

292306-UIM-A-0108Unitary Products Group 11ELECTRICAL POWER CONNECTIONSAll models use nominal 115 VAC, 1 Phase, 60-Hertz power supply. DONOT CONNECT TH

Page 4 - SECTION III: DUCTWORK

292306-UIM-A-010812 Unitary Products GroupFor additional connection diagrams for all UPG equipment refer to “Line Voltage System Wiring” document avai

Page 5 - Unitary Products Group 5

292306-UIM-A-0108Unitary Products Group 13 FIGURE 13: Thermostat Chart – Two Stage AC - Variable Speed Modulating FurnaceAC 26B Two Stage Air Conditi

Page 6 - CONNECTIONS

292306-UIM-A-010814 Unitary Products Group FIGURE 14: Thermostat Chart – Two Stage AC - Variable Speed Modulating FurnaceOptional HarnessAC 26C Two S

Page 7 - CONNECTION

292306-UIM-A-0108Unitary Products Group 15 FIGURE 15: Thermostat Chart – Two Stage HP - Variable Speed Modulating Furnace with Hot Heat Pump Operatio

Page 8 - SECTION IV: FILTERS

292306-UIM-A-010816 Unitary Products Group FIGURE 16: Thermostat Chart – Two Stage HP - Variable Speed Modulating Furnace with Hot Heat Pump Operatio

Page 9 - SECTION V: GAS PIPING

292306-UIM-A-0108Unitary Products Group 17ACCESSORY CONNECTIONSThe furnace control will allow power-switching control of various acces-sories. Refer t

Page 10 - SECTION VI: ELECTRICAL POWER

292306-UIM-A-010818 Unitary Products GroupExample:An 80,000 BTUH furnace requires 32 feet of pipe and four 90º elbows.Using 2" pipe and standard

Page 11 - SUPPLY VOLTAGE CONNECTIONS

292306-UIM-A-0108Unitary Products Group 19VENT CLEARANCES† A vent shall not terminate directly above a sidewalk or paved driveway that is located betw

Page 12 - 12 Unitary Products Group

292306-UIM-A-01082 Unitary Products GroupSPECIFIC SAFETY RULES AND PRECAUTIONS1. Only Natural gas or Propane (LP) gas are approved for use withthis fu

Page 13 - Unitary Products Group 13

292306-UIM-A-010820 Unitary Products GroupVENT SYSTEMThis furnace is certified to be installed with one of two possible ventconfigurations.1. Horizont

Page 14 - 14 Unitary Products Group

292306-UIM-A-0108Unitary Products Group 21VERTICAL VENT APPLICATIONS AND TERMINATIONRoof mounted vertical terminals may be field fabricated. Standard

Page 15 - Unitary Products Group 15

292306-UIM-A-010822 Unitary Products GroupOutdoor Combustion AirCombustion Air Intake/Vent ConnectionsThis installation requires combustion air to be

Page 16 - 16 Unitary Products Group

292306-UIM-A-0108Unitary Products Group 23Vent and Supply (Outside) Air Safety Check ProcedureFollow the procedure in ANSI Z223.1 National Fuel Gas Co

Page 17 - VENT SYSTEM

292306-UIM-A-010824 Unitary Products GroupSpecially Engineered InstallationsThe above requirements shall be permitted to be waived where specialengine

Page 18 - 18 Unitary Products Group

292306-UIM-A-0108Unitary Products Group 25Horizontal Left Air Flow (Inducer Low) -Refer to Figures 33 and 341. Remove all the condensate hoses inside

Page 19 - VENT CLEARANCES

292306-UIM-A-010826 Unitary Products Group FIGURE 33: Horizontal Left Condensate Drain Hose ConfigurationCUT FROMHOSE #5 (1-1/2” long)HOSE #9THIS TUB

Page 20 - 12” MIN

292306-UIM-A-0108Unitary Products Group 27 FIGURE 34: Horizontal Left Condensate Drain Hose ConfigurationRECOMMENDEDCONDENSATETRAP ORIENTATIONHOSE #6

Page 21 - COMBUSTION AIR

292306-UIM-A-010828 Unitary Products GroupHorizontal Right Air Flow (Inducer High)Refer to Figures 35-38Installation with condensate trap bracket (Fro

Page 22

292306-UIM-A-0108Unitary Products Group 29 FIGURE 35: Horizontal Right Condensate Drain Hose Configuration (Option 1 - Front of Casing)HOSE #2HOSE #7

Page 23 - AIR SUPPLY OPENINGS AND DUCTS

292306-UIM-A-0108Unitary Products Group 3INSPECTIONAs soon as a unit is received, it should be inspected for possible dam-age during transit. If damag

Page 24 - ANY MATERIAL

292306-UIM-A-010830 Unitary Products Group FIGURE 36: Horizontal Right Condensate Drain Hose Configuration (Option 1 - Front of Casing)HOSE #933”1-5/

Page 25 - Refer to Figures 33 and 34

292306-UIM-A-0108Unitary Products Group 31 FIGURE 37: Horizontal Right Condensate Drain Hose Configuration (Option 2 - Back of Casing)HOSE #2CUT FROM

Page 26 - 26 Unitary Products Group

292306-UIM-A-010832 Unitary Products Group FIGURE 38: Horizontal Right Condensate Drain Hose Configuration (Option 2 - Back of Casing)HOSE #933”1-5/8

Page 27 - Unitary Products Group 27

292306-UIM-A-0108Unitary Products Group 33CONDENSATE DRAIN TERMINATIONDO NOT terminate condensate drain in a chimney, or where the drainline may freez

Page 28 - Refer to Figures 35-38

292306-UIM-A-010834 Unitary Products GroupTOOLS AND INFORMATION THAT WILL BE REQUIRED IN ORDER TO PROPERLY PERFORM THE FURNACE STARTUP PROCEDURE.1. Ca

Page 29 - Unitary Products Group 29

292306-UIM-A-0108Unitary Products Group 35In the USA use the following formula to calculate the furnace input.For natural gas multiply the heat conten

Page 30 - SPRING CLAMP

292306-UIM-A-010836 Unitary Products GroupIMPORTANT: The inlet gas pressure operating range table specifieswhat the minimum and maximum gas line press

Page 31 - (Provided with some furnaces)

292306-UIM-A-0108Unitary Products Group 37ADJUSTMENT OF TEMPERATURE RISEThe air temperature rise, or difference between the return air tempera-ture an

Page 32

292306-UIM-A-010838 Unitary Products GroupTap C is the dry profile. This profile is best suited to parts of the countrywhere excessive humidity is not

Page 33 - ADJUSTMENTS

292306-UIM-A-0108Unitary Products Group 39Seven Red Flashes - Lockout due to no ignition. The control will trythree times for ignition. If flame canno

Page 34

292306-UIM-A-01084 Unitary Products GroupInstallation in a residential garage:A gas-fired furnace for installation in a residential garage must beinst

Page 35 - Unitary Products Group 35

292306-UIM-A-010840 Unitary Products GroupNOTES:1. Airflow expressed in standard cubic feet per minute (CFM) and in cubic meters per minute (m3/min).T

Page 36 - Natural Gas Propane (LP)

292306-UIM-A-0108Unitary Products Group 41FILTER PERFORMANCEThe airflow capacity data published in Table 17 represents blower per-formance WITHOUT fil

Page 37

Page 38 - DIAGNOSTICS

292306-UIM-A-0108Unitary Products Group 5Example: The furnace input is 80,000 BTUH, 1,200 CFM blowerrequirement. The recommended duct area is 216 sq.i

Page 39 - RETRIEVAL

292306-UIM-A-01086 Unitary Products GroupDownflow Air Conditioning Coil CabinetThe Cooling Coil Cabinet can be used in place of the combustible floorb

Page 40 - 40 Unitary Products Group

292306-UIM-A-0108Unitary Products Group 7RESIDENTIAL AND NON HUD MODULAR HOME DOWNFLOW AND HORIZONTAL RETURN PLENUM CONNECTIONThe return duct system m

Page 41

292306-UIM-A-01088 Unitary Products GroupSECTION IV: FILTERSFILTER INSTALLATIONAll applications require the use of a filter. Replacement filter size i

Page 42 - SECTION XII: WIRING DIAGRAM

292306-UIM-A-0108Unitary Products Group 9ATTIC INSTALLATIONThis appliance is design certified for line contact when the furnace isinstalled in the hor

York PC9*DH Installation Manual

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York PC9*DH Installation Manual

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Summary of Contents

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Browse online or download Installation Manual for Water heaters & boilers York PC9DH. York PC9DH Installation manual User Manual