Table of Contents
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INSTALLATION MANUAL
HIGH EFFICIENCY
TUBULAR HEAT EXCHANGER SERIES
MODELS: PV9 / FC9V / FL9V
(Two Stage Variable Speed Upflow)
40 - 120 MBH INPUT
(11.7 - 35.1 KW) INPUT
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
DUCTWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
GAS PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
ELECTRICAL POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Furnace Base Rectangular Blockoff Panel . . . . . . . . . . . . . . . . . . . . . 6
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Line Wiring Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Single Stage Heat Thermostat Connections . . . . . . . . . . . . . . . . . . . . 9
Thermostat Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Accessory Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Home Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Termination Configuration - 1 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Termination Configuration - 2 Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Termination Configuration - 2 Pipe Basement . . . . . . . . . . . . . . . . . . 12
Unit Clearances to Combustibles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Minimum Duct Sizing For Proper Airflow . . . . . . . . . . . . . . . . . . . . . . . 4
Round Duct Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Filter Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
High Altitude Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Electrical and Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
(All Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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.
TABLE OF CONTENTS
COMBUSTION AIR AND VENT SYSTEM . . . . . . . . . . . . . . . . . . . . . .9
CONDENSATE PIPING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
SAFETY CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
START-UP AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . .17
WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
LIST OF FIGURES
External Horizontal Vent Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Outside and Ambient Combustion Air . . . . . . . . . . . . . . . . . . . . . . . . .15
Attic and Crawl Space Combustion Air Termination . . . . . . . . . . . . . .16
Condensate Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Pressure Switch Tube Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Gas Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Reading Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Furnace Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
CFM / Timer Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
LIST OF TABLES
Combustion Air Supply and Vent Piping . . . . . . . . . . . . . . . . . . . . . . .10
Estimated Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Free Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Unconfined Space Minimum Area in Square Inch . . . . . . . . . . . . . . .14
Inlet Gas Pressure Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Nominal Manifold Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Air Flow Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Filter Performance - Pressure Drop Inches W.C. and (kPa) . . . . . . . .23
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.
EFFICIENCY
RATING
CERTIFIED
This product was manufactured
in a plant whose quality system
is certified/registered as being
in conformity with ISO 9001.
035-20499-001 Rev. B (1004)
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Table of Contents
Related Manuals for Unitary products group PV9
Summary of Contents for Unitary products group PV9
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Page 1: Table Of Contents
INSTALLATION MANUAL HIGH EFFICIENCY EFFICIENCY TUBULAR HEAT EXCHANGER SERIES RATING CERTIFIED MODELS: PV9 / FC9V / FL9V (Two Stage Variable Speed Upflow) 40 - 120 MBH INPUT This product was manufactured in a plant whose quality system is certified/registered as being (11.7 - 35.1 KW) INPUT... -
Page 2: Safety
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. Unitary Products Group... -
Page 3: Ductwork
Unitary Products Group... -
Page 4: Minimum Duct Sizing For Proper Airflow
The External Static Pressure is determined by adding the Supply Duct Static Pressure reading to the Return Duct Static Pressure reading and adding the pressure drop across any applied coil. Unitary Products Group... -
Page 5: Dimensions
Bottom return applications normally pull return air through a base plat- and have floor support with required service accessibility. form or return air plenum. Be sure the return platform structure or return air plenum is suitable to support the weight of the furnace. Unitary Products Group... -
Page 6: Filters
• 11” W.C. (2.74 kPA) for Propane (LP) Gas in order to obtain the BTU input specified on the rating plate and/or All installations must have a filter installed. the nominal manifold pressure specified in these instructions and on the rating plate. Unitary Products Group... -
Page 7: Gas Piping
This furnace is constructed at the factory for natural gas-fired operation high levels of carbon monoxide, excessive sooting, a fire hazard, at 0 – 2,000 ft. (0 m – 610 m) above sea level. personal injury, property damage and/or death. Unitary Products Group... -
Page 8: Electrical Power
Reposition on the left side of the furnace and fas- amps. Setting it lower will cause short cycles. Setting it higher will cause ten using holes provided. the room temperature to exceed the set points. Unitary Products Group... -
Page 9: Line Wiring Connections
For example, if the table allows for 5 elbows, this will allow a FIGURE 10: Accessory Connections maximum of 5 elbows in the combustion air piping and a maximum of 5 elbows in the vent piping. Unitary Products Group... -
Page 10: Combustion Air Intake And Vent Connection Size At Furnace (All Models)
Sealed combustion air systems from the furnace to the out- IMPORTANT: The vent must be installed with the following minimum side termination. clearances, and must comply with local codes and requirements. Unitary Products Group... -
Page 11: Home Layout
Responsibility for the provision of proper adequate venting and air supply for application shall rest with the installer. Vent shall extend high enough above building, or a neighboring obstruction, so that wind from any direction will not create a positive pressure in the vicinity of the vent. Unitary Products Group... -
Page 12: Termination Configuration - 1 Pipe
Under NO circumstances can the two combus- ANTICIPATED SNOW LEVEL OR GRADE, tion air or vent pipes be connected together. The combustion air and WHICHEVER IS vent pipes must terminate in the same atmospheric zone. HIGHER FIGURE 13: Termination Configuration - 2 Pipe Unitary Products Group... -
Page 13: Double Horizontal Sealed Combustion Air And Vent Termination
Also, the terminal assembly should be located as far as possible from a swimming pool or a location where swimming pool chemicals might be stored. Be sure the terminal assembly follows the outdoor clearances FIGURE 17: External Horizontal Vent Drain listed in Section #1 “Outdoor Air Contaminants.” Unitary Products Group... -
Page 14: Combustion Airflow Path Through The Furnace Casing To The Burner Box
IDE, which can lead to serious injury, property damage and / or death. 120,000 750 (1905 cm 140,000 875 (2222 cm EXAMPLE: Square feet is based on 8 foot ceilings. 28,000 BTUH X 50 Cubic Ft. = 1,400 = 175 Sq. Ft. 1,000 8’ Ceiling Height Unitary Products Group... -
Page 15: Outside And Ambient Combustion Air
If improper venting is observed during any of the above tests, a problem exists with either the venting system or the appliance does not have enough combustion air (Supply Air from outside) to complete combustion. This condition must be corrected before the appliance can function safely. Unitary Products Group... -
Page 16: Condensate Piping
Blockage of combustion air piping or terminal. The recommended procedure is as follows: Blockage of vent piping or terminal. Failure of combustion air blower motor. Disconnect the condensate drain hose from the induced draft blower discharge. Blockage of condensate drain piping. Unitary Products Group... -
Page 17: Start-Up And Adjustments
• 2 – pieces of 4” (10 cm) length x 1/8” (0.3 cm) diameter tubing • 1 - 5/16” (0.8 cm) tee • 1 – 5/16” (0.8 cm) x 1/8” (3.175 mm) reducing coupling • 1 – 1/8” (0.3 cm) adapter Unitary Products Group... - Page 18 For altitudes above 2,000 ft. (610 m) the furnace input MUST BE DERATED. Refer to the GAS CONVERSION FOR PROPANE (LP) AND HIGH ALTITUDES IN SECTION IV for information on high altitude conversions. Unitary Products Group...
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Page 19: Gas Valve
This gas valve has separate regulator adjustment screws for high fire and low fire, as shown in Figure 24. The procedure below is used to adjust either the high fire manifold pressure or the low fire manifold pressure. Unitary Products Group... -
Page 20: Reading Gas Pressure
Table 7 in these Instructions. must be field adjusted to match the HVAC system at installation. See Table 15 for the HEAT, COOL and ADJ jumper settings to use for spe- cific airflows. Unitary Products Group... -
Page 21: Cfm / Timer Board
30 seconds, then will ramp down to zero. In every case, it will take the motor 30 seconds to ramp from one speed to another. TIMER BOARD FIGURE 27: CFM / Timer Board Unitary Products Group... -
Page 22: Air Flow Data
NOTE: At some settings, LOW COOL and/or LOW HEAT airflow may be lower that what is required to operate an airflow switch on certain models of electronic air cleaners. Consult the instruc- tions for the electronic air cleaner for further details. The ADJ “D” tap should not be used. Unitary Products Group... -
Page 23: Filter Performance - Pressure Drop Inches W.c. And (Kpa)
FOR APPLICATION 1PS0503 HIGH ALTITUDE PRESSURE SWITCH KIT INFORMATION SEE FORM 1PS0504 (Does Not Include Orifices) 035-20506-001 1PS0505 1PS0506 1BR0317 17-1/2” CABINETS 1BR0321 EXTERNAL BOTTOM FILTER RACK 21” CABINETS 1BR0324 24-1/2” CABINETS 1NK0301 CONDENSATE NEUTRALIZER KIT ALL MODELS Unitary Products Group... -
Page 24: Wiring Diagram
SECTION X: WIRING DIAGRAM FIGURE 28: Wiring Diagram Subject to change without notice. Printed in U.S.A. 035-20499-001 Rev. B (1004) Copyright © by York International Corp. 2004. All rights reserved. Supersedes: 035-20499-001 Rev. A (0904) Unitary 5005 Norman Product York Group Drive 73069...
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