Fedders FV95A090 - Manuals - manualsarea.com

Page 2 - Table of Contents

S S C Case 1: Furnace Located In An Case 2: Furnace Located In A Case 3: Furnace Located In A Confined Space, Case 4: Furnace Located In A Confined Space, Sequence of Operation if the Furnace Circulating Air Blower and FIELD SUPPLIED AND INSTALLED Table of Contents AIR CONDITIONING INSPECTION/ACCESS...

Page 8 - CLEARANCES; Table 2 provides the certified clearances to combustibles.; DANGER; TABLE 2: CLEARANCES TO COMBUSTIBLES; IMPORTANT

G A C G B F E D J L L K 1 DIMENSIONS (Inches) MODELINPUT WIDTH DEPTH HEIGHT SUPPLY AB C F x G RETURN SIDE BOTTOM D x E J x K L H 1 Vent outlet 4” - Use reducer fittings. 2 Two return air openings required 54,000 72,000 90,000 108,000 54,000 72,000 90,000 108,000 17.5 20.5 20.5 24.5 14 x 22 16 x 19 3...

Page 9 - DUCTWORK; CAUTION

DUCTWORK Proper airflow is required for the correct operation of thisfurnace. Insufficient airflow may cause erratic operation,could cause the furnace to cycle on the high temperaturelimit, and may damage the heat exchanger. Excessiveairflow may result in an excessively noisy duct system andmay resu...

Page 10 - General Considerations

WARNING THERE MUST NOT BE ANY OPENINGS BETWEEN THEBLOWER DIVISION PANEL AND THE COMBUSTIONCOMPARTMENT. THE BLOWER COMPARTMENT IS UNDERGREATER SUCTION THEN THE COMBUSTIONCOMPARTMENT AND CAN PULL COMBUSTION AIR FROMTHE BURNERS AND CAUSE INCOMPLETE COMBUSTIONAND ERRATIC FURNACE OPERATION. WARNING THE V...

Page 11 - Instructions for Re-orienting Air Inducer; FIGURE A : RIGHT INDUCER POSITION; SUSPENDED INSTALLATION; Horizontal Suspended Installation

Instructions for Re-orienting Air Inducer This furnace comes assembled ready for left side or vertical venting. Rotate the inducer 180 degrees to exit the right hand side.1. Disconnect inducer wire connections. 2. Remove pressure switch hoses. 3. Remove pressure switches.4. Remove 4 inducer screws 5...

Page 12 - Upflow Installation; If exhaust vent; COMBUSTION AIR

10 C C A B A B A B Upflow Installation The combustion air and exhaust vent may exit throughthe top, left or right side of the cabinet when viewed inthe upflow position. The inducer is installed so that theexhaust vent may exit the top and left sides withoutrequiring rotation. If exhaust vent exits t...

Page 13 - Downflow Installation; WARNING

11 Downflow Installation When the furnace is installed in the downflow positionthe combustion air and exhaust vent may exit throughthe left or right side of the cabinet (when viewed in theupflow position.). The inducer is installed so that the leftside exits require no rotation. If exhaust vent exit...

Page 15 - FURNACE LOCATED IN A CONFINED SPACE, OUTDOOR; FURNACE LOCATED IN A CONFINED SPACE; NOTE; FURNACE LOCATED IN AN UNCONFINED SPACE

WARNING DO NOT ALLOW GAS PIPING TO BE ROUTED THROUGHJOIST SPACES THAT ARE USED FOR RETURN AIR PUR-POSES. DO NOT USE JOIST SPACES FOR RETURN AIRPURPOSES IF THE JOIST SPACE ALREADY CONTAINSPLUMBING STACKS, CHIMNEY COMPONENTS, ETC.UNLESS THE PORTION USED FOR RETURN AIR PURPOS-ES CAN BE COMPLETELY ISOLA...

Page 16 - Direct Venting Pipe Connections; FURNACE VENTING; Combustion Air Inlet Piping

FIGURE 1 DANGER The following types of installation sites (but not limitedto the following) will require OUTDOOR AIR forcombustion because of chemical exposures: commercialbuildings, buildings with indoor swimming pools,furnaces installed in laundry rooms, furnaces in hobbyor craft rooms, furnaces i...

Page 17 - Definitions; Air Filters; Exhaust Vent Piping

WARNING READ AND FOLLOW ALL INSTRUCTIONS IN THIS SEC-TION. FAILURE TO PROPERLY VENT THIS FURNACE CANCAUSE CARBON MONOXIDE POISONING OR AN EXPLO-SION OR FIRE RESULTING IN PROPERTY DAMAGE, PER-SONAL INJURY OR LOSS OF LIFE. Definitions "Vent" and "Chimney" refer to open passageways that...

Page 18 - Guidelines; Venting may be vertical or horizontal.; JOINING PIPE AND FITTINGS; PVC PRIMER AND SOLVENT CEMENT: ASTM D2564; condensate drains towards the furnace.

Guidelines • Venting may be vertical or horizontal. • • Horizontal piping must slope back towards the furnaceat a minimum rate of 1/4” to the foot, so that • Horizontal runs must be supported at least every 3feet. Horizontal sections must not dip or sag • All vent runs through unconditioned space wh...

Page 19 - After checking the pipe and socket for proper fit, wipe; Apply a thin coat of solvent cement to the inside sur-; Direct Vent Piping Termination; General Guidelines; Caulk all cracks, seams or joints within a 6 foot radius of

PROCEDURE: This guide is intended specifically for PVC pipe; however,the general procedure applies to all plastic piping systems. MATERIALS: PVC Cleaner / Primer and PVC Solvent Cement. After cutting pipe, remove all ragged edges and burrs.This will reduce restriction (pressure drop) throughoutthe v...

Page 20 - MODEL; Count concentric vent fitting as straight pipe.; Calculating Piping Length

PIPE SIZE NUMBER OF 90° ELBOWS MAXIMUM ALLOWABLE STRAIGHT LENGTH OF EXHAUST OR INTAKE 23232323 01 2 3 4 5 6 S - 24” for Service C - Combustible floor but not carpet or non-ceramic tile NC - Non-combustible floor or use base kit #30476 MODEL 054 072 090 108 ALL DIMENSIONS IN INCES 70 150 65 140 60 13...

Page 22 - Horizontal Combustion Air Termination

If the required clearance to grade or anticipated snow levelcannot be obtained with the “straight through”configuration, the exhaust pipe may be “periscoped” up to24” to gain extra height. (Figure 9) In this case, the fluegases may be expelled horizontally. Use the same size pipeas the interior run ...

Page 23 - Vertical Combustion Air Termination; AND EXHAUST VENT

COMBUSTION AIR EXHAUST 8” 12” 2” 12” CLEARANCE ABOVE GRADE OR HIGHEST ANTICIPATED SNOW LEVEL. D E F G H I J K L A B C COMBUSTION AIR EXHAUST 8” 12” 2” 12” CLEARANCE ABOVE GRADE OR HIGHEST ANTICIPATED SNOW LEVEL. D E F G H I J K L A B C B C TOP VIEW INTERIOR EXTERIOR C D J A B I A B E D C F H A E E D...

Page 24 - Connecting a Non-Direct Vent to the Furnace; IN CANADA

DANGER SOLVENT CEMENTS AND PRIMERS ARE HIGHLYFLAMMABLE. PROVIDE ADEQUATE VENTILATION AND DONOT ASSEMBLE NEAR HEAT SOURCE OR OPEN FLAME. DONOT SMOKE. AVOID SKIN OR EYE CONTACT. OBSERVE ALLCAUTIONS AND WARNINGS PRINTED ON MATERIALCONTAINERS. FAILURE TO FOLLOW THESE GUIDELINESMAY RESULT IN FIRE, EXPLOS...

Page 25 - family dwellings and serves both dwellings; Other Then Direct Vent Terminal Clearances

Canadian Installations US Installations A = Clearance above grade, veranda, 12 in (30 cm ) 12 in (30 cm ) porch, deck, or balcony B = Clearance to window or door that 6 in (15 cm) for appliances 10,000 4 ft (121 cm) below or to side of may be opened Btuh (3 kW ), 12 in (30 cm ) for opening; 1 ft (30...

Page 26 - Direct Vent Terminal Clearances

Canadian Installations US Installations A = Clearance above grade, veranda, 12 in (30 cm) 12 in ( 30cm ) porch, deck, or balcony B = Clearance to window or door that 6 in (15 cm) for appliances 10,000 6 in (15 cm) for appliances 10,000 may be opened Btuh (3 kW ),12 in (30 cm) for Btuh (3 kW ), 9 in ...

Page 27 - CONDENSATE DRAINS; DRAIN HOSE INSTALLATION

CONDENSATE DRAINS The furnace will condense as much as a half pound ofwater per hour (approximately 2 imperial quarts, 2 1 / 2 U.S. quarts or 2 1 / 4 liters). It is necessary to make provisions for draining the condensate away. The furnace is supplied with a drain trap assembly. See The drain coupli...

Page 28 - HORIZONTAL FLOW RIGHT; HORIZONTAL FLOW LEFT

HORIZONTAL FLOW RIGHT CONDENSATE TRAP CONDENSATE TRAP HORIZONTAL FLOW LEFT UPFLOW DOWNFLOW CONDENSATE CONDENSATE TRAP TRAP FIGURE 11 FIGURE 12 FIGURE 13 FIGURE 14 26

Page 30 - GAS SUPPLY; The gas piping may enter the furnace from either side.; Leak Testing; The L.P. gas inlet supply pressure should be 11 to 13 inches

WARNING THIS FURNACE IS FACTORY EQUIPPED TO BURN NATURALGAS ONLY. CONVERSION TO L.P. GAS REQUIRES SPECIAL KIT No. FAILURE TO USE THE PROPER CONVERSION KIT CANCAUSE FIRE, EXPLOSION, CARBON MONOXIDEPOISONING, PROPERTY DAMAGE, PERSONAL INJURY ORLOSS OF LIFE. CAUTION CONVERSION OF THIS FURNACE REQUIRES ...

Page 31 - Conversion Steps; Pin Connector; If converting the gas valve, the regulator spring is

CONVERSIONS High Altitude In the United States, the modifications for high altitude arebased on a 4 percent reduction of input capacity for every the impact of altitude for selected elevations. Ratingsshown apply to the highest elevation in range. Consult with local fuel suppliers or authorities to ...

Page 34 - Low Voltage Wiring; ELECTRICAL SPECIFICATIONS; Furnace Connection; USE COPPER CONDUCTORS ONLY

DANGER THE FURNACE CABINET MUST HAVE AN UNINTERRUPTED GROUND. A GROUND WIRE IS PROVIDED IN THE ELECTRICAL JUNCTION BOX. DO NOT USE GAS PIPING AS A GROUND. FAILING TO GROUND THE FURNACE PROPERLY CANRESULT IN ELECTRIC SHOCK RESULTING IN PERSONALINJURY OR DEATH. WARNING THIS FURNACE IS EQUIPPED WITH A ...

Page 35 - ISOLATION RELAY; THERMOSTAT LOCATION; START UP PROCEDURES; Sequence of Operation

THERMOSTAT COOLING CONTACTOR FAN RELAY HEATING RELAY 24V 115V R G Y W Y G W ISOLATION RELAY THERMOSTAT LOCATION The thermostat should be located approximately 5 feet abovethe floor, on an inside wall where there is good natural aircirculation, and where the thermostat will be exposed toaverage room ...

Page 36 - Setting the Gas Pressure; Checking Furnace Input

6. The circulating fan begins 30 seconds after flame is sensed. 7. Furnace continues to run in this state until a call for second stage heat (W1 and W2) after a call for firststage heat will energize the inducer at high speed andthe circulator high heat. The second stage pressureswitch contacts will...

Page 37 - AIRFLOW; Heating Value of Gas X 3000; Adjusting Dip Switches

meter test dial is: Where: Input is expressed in BTU/Hr. Heating value of the gas is expressed in BTU/ ft 3 Time means time required for the test dial to indicate 1 ft 3 /sec. If using a gas meter with SI (metric) units: 1 ft 3 = 0.0283 m 3 1 m 3 = 35.315 ft 3 0.01 m 3 = 0.3531 ft 3 0.5 m 3 = 1.766 ...

Page 38 - DIP Switch Configurations; Cool

Rating PlateInput BTU/hr Rating PlateInput BTU/hr Switch Description Cool Jumper AC Tonnage Rise Heating Jumper 54,000 72,000 90,000 108,000 54,000 72,000 90,000 108,000 DIP Switch Configurations To obtain the correct airflow for the cooling mode, please refer to the table above. Note the position o...

Page 39 - ADJUSTING BLOWER SPEEDS; How To Remove The Blower

T C 8 S 1 O D M 70-4 Cool Cool 1 b 1150 1On 1000 3 a A 2 Off 810 1 Off 650 2.5 B 2 On 1 On 2C 2 On 1 On 1.5 D A B B C D A B C C D 1550 4 1350 1150 3.5 1000 810 3 a 2.5 2 S3 21212121212 On OffOff On OffOff OnOnOnOnOn S3 85-4 All Delay 5 5 Off 6 On 5 On 6 On 5 On T No delay No delay 1 3030 Off 0 On C ...

Page 40 - TABLE 8; MAINTENANCE

DO NOT OPERATE THE FURNACE WITHOUT AN AIR FILTER. HOLES IN THE EXHAUST PIPING OR FURNACE HEATEXCHANGER CAN ALLOW TOXIC FUMES TO ENTER THEHOME AND CIRCULATE THROUGH THE DUCT SYSTEMRESULTING IN CARBON MONOXIDE POISONING ORDEATH. IF LEAKS ARE FOUND IN THE FURNACE HEATEXCHANGER, IT MUST BE REPLACED. Air...

Page 41 - Troubleshooting; Humidifiers/ Electronic Air Cleaners

DISCONNECT THE ELECTRICAL POWER SUPPLY TO THEFURNACE BEFORE ATTEMPTING THIS MAINTENANCEPROCEDURE. FAILURE TO DO SO CAN CAUSEELECTRICAL SHOCK RESULTING IN PERSONAL INJURY ORLOSS OF LIFE. All electrical connections should be examined to ensure thatthey are tight and corrosion free. Repair any connecti...

Page 43 - TABLE 9

LED FLASH(ES) Green Off 1 Red 2 Red 3 Red 4 Red 5 Red 6 Red 7 Red 8 Red 9 Red 10 Red I Internal controller or Room Air Fan failure.DO NOT operate on heat until Fan failure cleared. Roll-out open. Cycle power to reset. Flame sensed with gas valve de-energized. Pressure switch(es) remains open. Combus...

Page 46 - FIRE OR EXPLOSION HAZARD; TABLE OF CONTENTS; User’s Information Manual

FURNACE COMPONENTS . . . . . . . . . . . . . . . . . .1 REGULATOR VENT . . . . . . . . . . . . . . . . . . . . . . .1 GENERAL SAFETY RULES . . . . . . . . . . . . . . . . . .1 FURNACE OPERATION INFORMATION TO START THE FURNACE . . . . . . . . . . . . . .2 FURNACE SHUTDOWN PROCEDURE . . . . .2 MAINTE...

Page 47 - FIGURE 2; GAS REGULATOR VENT; GENERAL SAFETY RULES

1 FURNACE COMPONENTS REGULATOR VENT Most natural gas systems and all LP gas systems have aservice regulator located near the point where the gaspiping enters the building. The propane tank will normallyhave an additional first stage regulator located at the tankoutlet valve. All of these regulators ...

Page 48 - FURNACE OPERATION INFORMATION; Furnace Shut; Furnace Shutdown Procedure; FIGURE 3

2 WARNING IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION,SERVICE OR MAINTENANCE CAN CAUSE PROPERTYDAMAGE, PERSONAL INJURY OR DEATH FOR ASSISTANCE OR ADDITIONAL INFORMATION,CONSULT A QUALIFIED INSTALLER, SERVICE AGENCY, ORYOUR GAS SUPPLIER. WARNING DEVICES ATTACHED TO EITHER THE VENT ORCOMBUSTION AIR ...

Page 49 - FIGURE 4; AIR FILTER

CAUTION THE FURNACE SHOULD BE OPERATED WITH ALL PANELS INPLACE. NEVER OPERATE THE FURNACE WITH THE BLOWERDOOR REMOVED EXCEPT FOR SERVICE PURPOSES. WARNING ALWAYS DISCONNECT THE ELECTRICAL SUPPLY TO THEFURNACE BEFORE REMOVING THE BURNERCOMPARTMENT ACCESS DOOR. 3 MAINTENANCE Lubrication Minimal lubric...