Rheem LX2000 Series Installation Instructions Manual
Rheem LX2000 Series Installation Instructions Manual

Rheem LX2000 Series Installation Instructions Manual

For upflow oil fired furnaces

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INSTALLATION INSTRUCTIONS
FOR UPFLOW OIL FIRED FURNACES
!
Recognize this symbol as an indication of Important Safety Information!
WARNING
!
If the information in these instructions is not followed exactly, a
fire or explosion may result, causing property damage, personal
injury or death.
WARNING
!
PROPOSITION 65: THIS FURNACE CONTAINS FIBERGLASS
INSULATION. RESPIRABLE PARTICLES OF FIBERGLASS ARE
KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER.
EXHAUST GAS FROM THIS FURNACE CONTAINS CHEMICALS,
INCLUDING CARBON MONOXIDE, KNOWN TO THE STATE OF
CALIFORNIA TO CAUSE BIRTH DEFECTS OR OTHER REPRO-
DUCTIVE HARM.
WARNING
!
THESE INSTRUCTIONS ARE
INTENDED AS AN AID TO
QUALIFIED SERVICE
PERSONNEL FOR PROPER
INSTALLATION, ADJUSTMENT
AND OPERATION OF THIS
UNIT. READ THESE
INSTRUCTIONS THOROUGHLY
BEFORE ATTEMPTING
INSTALLATION OR
OPERATION. FAILURE TO
FOLLOW THESE
INSTRUCTIONS MAY RESULT
IN IMPROPER INSTALLATION,
ADJUSTMENT, SERVICE OR
MAINTENANCE, POSSIBLY
RESULTING IN FIRE,
ELECTRICAL SHOCK, CARBON
MONOXIDE POISONING,
EXPLOSION, PROPERTY
DAMAGE, PERSONAL INJURY
OR DEATH.
Do Not Destroy this Manual.
Please read carefully and keep
in a safe place for future
reference by a serviceman.
FOR YOUR SAFETY
!
— Do not store or use gasoline or other
flammable vapors and liquids, or other
combustible materials in the vicinity of this
or any other appliance.
— WHAT TO DO IF YOU SMELL FUEL OIL VAPORS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your fuel oil supplier
from a neighbor's phone. Follow the fuel
oil supplier's instructions.
• If you cannot reach your fuel oil supplier,
call the fire department.
• Do not return to your home until
authorized by the fuel oil supplier or fire
department.
— DO NOT RELY ON SMELL ALONE TO
DETECT LEAKS. DUE TO VARIOUS
FACTORS, YOU MAY NOT BE ABLE TO
SMELL FUEL GASES.
• U.L. recognized fuel gas and CO
detectors are recommended in all
applications, and their installation should
be in accordance with the manufacturer's
recommendations and/or local laws,
rules, regulations, or customs
— Improper installation, adjustment, alteration,
service or maintenance can cause injury,
property damage or death. Refer to this
manual. Installation and service must be
performed by a qualified installer, service
agency or the fuel oil supplier.
92-22876-07-03
SUPERSEDES 92-22876-07-02

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Summary of Contents for Rheem LX2000 Series

  • Page 1 INSTALLATION INSTRUCTIONS FOR UPFLOW OIL FIRED FURNACES Recognize this symbol as an indication of Important Safety Information! WARNING If the information in these instructions is not followed exactly, a fire or explosion may result, causing property damage, personal injury or death. WARNING PROPOSITION 65: THIS FURNACE CONTAINS FIBERGLASS INSULATION.
  • Page 2 Before beginning any troubleshooting procedure, complete the following installation checklist. A furnace malfunction is sometimes caused by an improper installation. By completing this checklist, the problem may be found and corrected. Make copies of the checklist and complete one for every Low Profile Furnace service call for your records. INSTALLATION CHECKLIST (Refer to this manual for specifics.) GAS SUPPLY...
  • Page 3: Table Of Contents

    CONTENTS Safety Rules ......................4 Helpful Information ....................4 Installation Instructions ..................4 Requirements ......................4 Location/Clearances .....................4 Combustion Air Supply..................5 Circulating Air Supply ....................7 Venting ........................7 Barometric Draft Control..................8 Oil Burner/Primary Control ..................8 Tank & Oil LInes....................9 Electrical Wiring ....................9 Thermostat ......................9 Heat Anticipator Settings..................9 Typical Installation Diagrams ................10 Operating Instructions..................11 Lighting Instructions ....................11...
  • Page 4: Safety Rules

    SAFETY RULES 1. Do not install this furnace in a FUEL OIL. DO NOT ATTEMPT TO 5. Provide adequate ventilation to the mobile home, trailer or recreational CONVERT THIS FURNACE TO furnace area. vehicle. BURN NATURAL GAS OR LP GAS. 6.
  • Page 5: Combustion Air Supply

    FIGURE 1 DIMENSIONS AND CLEARANCES TO COMBUSTIBLES COMBUSTION AIR SUPPLY refrigerants and many other commercial air supply must be through two and household products. Vapors from permanent openings of equal area, one these products when burned in a flame located within 12 inches of the ceiling WARNING form acidic compounds and are highly and one within 12 inches of the floor...
  • Page 6 conditions, two openings of Figure 5 approximately equal area (one located Inside Ventilation Air, Outside near the top and one located near the Combustion Air bottom of the enclosure) must be provided each with a total free area of not less than 1 square inch per 4,000 BTU’s / Hr.
  • Page 7: Circulating Air Supply

    CIRCULATING AIR SUPPLY IMPORTANT: One of the most FLUE AND CHIMNEY common causes of trouble in forced EXHAUST Plenum chambers and air ducts must air heating systems is insufficient be installed in accordance with the return air to the furnace. The return air The vent connector should be as short Standard for the Installation of Air system should be approximately equal...
  • Page 8: Barometric Draft Control

    Install a single wall, vent connector screws. Refer to Figure 1 for distances Figure 7 from flue outlet to chimney, sloping flue to combustible materials. Barometric Damper pipe continuously upward (at least 1/4 DEVICES ATTACHED TO THE FLUE inch per foot) toward chimney. The OR VENT FOR THE PURPOSE OF vent connector should be the same REDUCING HEAT LOSS UP THE...
  • Page 9: Tank & Oil Lines

    above tank) the lift and length of run ELECTRIC WIRING Connect from the disconnect to the must be considered so as not to junction box on the furnace inside the overload the fuel unit. NOTE: If the WARNING control compartment. Discard test length of run and the lift is beyond the leads and connect the line voltage TURN OFF ELECTRIC POWER AT...
  • Page 10: Typical Installation Diagrams

    TYPICAL INSTALLATION DIAGRAMS FIGURE 9. TWO PIPE INSTALLATION FIGURE 10. ONE PIPE INSTALLATION...
  • Page 11: Operating Instructions

    OPERATING INSTRUCTIONS LIGHTING INSTRUCTIONS TO STOP FURNACE 6. Depress manual reset button on the motor. 1. Set the room thermostat to lowest This appliance is equipped with an temperature setting. NOTE: Do not expose cad cell to automatic electronic ignition device. direct electric bulb light or sunlight.
  • Page 12: Burner Adjustment

    FURNACE ADJUSTMENT OIL BURNER ADJUSTMENT PREPARATION STEPS ed. The nozzle size should match the capacity of the unit installed. Calibrate and check the operation Nozzle si/ze is listed on the unit CAUTION of all measuring equipment. Follow nameplate. An in-line oil filter will the manufacturer's recommended AFTER FURNACE INSTALLATION, reduce service problems due to...
  • Page 13 COMBUSTION ADJUSTMENT more heat than the heat pollutant emissions. Check for exchanger can utilize and results prompt pump cutoff by observing THE FOLLOWING BURNER in unnecessary heat loss up the the flame or by checking for ADJUSTMENTS MUST BE MADE smoke at shutdown.
  • Page 14 FIGURE 15 BURNER SEQUENCE OF OPERATION T’STAT CALLS FOR HEAT CHECK MAIN POWER, PRESS PRIMARY CONTROL RESET. IGNITOR / MOTOR START CHECK LOW VOLTAGE WIRING/CONTROLS CHECK FOR FALSE LIGHT ON CAD CELL CHECK FUEL SUPPLY, OIL LINES, OIL LINE VALVES, TRIAL CHECK OIL NOZZLE, BURNER STARTS 15 SEC FOR IGNITION...
  • Page 15: Air Volume Adjustment

    ELECTRODE ADJUSTMENT The T231H nozzle, electrode and head If the electrode position is correct, Figure 18 position gauge (see figure 16) is used the tips should be positioned where Nozzle Depth and Concentricity to correctly position the electrodes, the identifying marks on the gauge nozzle, and head.
  • Page 16 SUPPLY AIR Example The blower speed can be increased to deliver more air over the heat TEMPERATURE Supply air exchanger if the duct system is large temperature 155 degrees enough to allow the increase. If the The temperature rise of the air through Return air duct system is not of adequate size in- a furnace will vary with each furnace.
  • Page 17: Fan/Limit Control

    To take additional samples clamp Table 7 the filter paper strip in the slot so that the previous spot is visible. UPFLOW OIL FURNACE SMOKE SCALE READINGS: TEMPERATURE RISE CHART Excellent - Little, if any, sooting. Good - May be slight sooting, with little, if any, increase in flue gas TEMPERATURE temperature.
  • Page 18: Maintenance

    MAINTENANCE BURNER LUBRICATION AIR FILTER For proper operation, replace the IMPORTANT: DO NOT attempt to The air filters must be kept clean. Dirty burner oil nozzle each year. It is lubricate the bearings on the blower filters can restrict airflow. The motor located in the burner drawer.
  • Page 19: Burner Maintenance

    BLOWER PERFORMANCE DATA—UPFLOW MODELS BLOWER MOTOR CFM [L/s] AIR DELIVERY MODEL E.S.P. INCHES [kPa] WATER COLUMN SIZE (IN.) H.P. BLOWER SPEED NUMBER [mm] 0.5 [.12] 0.4 [.10] 0.3 [.07] 0.2 [.05] 600 [283] 620 [293] 635 [300] 645 [304] 10 x 7 MED-LO* 795 [374] 835 [394]...
  • Page 20: Draft Problems/Troubleshooting

    CORRECTION OF POOR CHIMNEY DRAFT CONDITIONS CAUSE CORRECTION 1. Roof peak or other surrounding Extend chimney 24 inches above roof objects higher than chimney top. and surrounding objects within 30 feet. 2. Flue cap on chimney. Remove. Enlarge to match chimney interior. 3.
  • Page 21: Oil Furnace Burner Data

    OIL BURNER DATA FIGURE 28. BECKETT MODEL “AFG” BURNER DRAWER ASSEMBLY DATA NOZZLE* UNIT SIZE STATIC DISC RATING CONE G.P.H./ANGLE/PATTERN BECKETT MODEL “AFG” BURNER 056/067 DELAVAN (.50, .60)-70°B 3-3/8 SOLID AF**JY 3-3/8 SOLID 084/095/112 DELAVAN (.75, .85, 1.0)-70°B AF**XN 3-3/8 SOLID 130/150 DELAVAN (1.2, 1.35)-70°B AF**JZ...
  • Page 22: Troubleshooting

    Troubleshooting Important: 90% of start-up problems are due to air leaks in the suction line. Complaint Check for: Odor, soot and smoky fire 1. Insufficient combustion air 2. Lack of proper draft 3. Cracked/plugged heat exchanger 4. Burner not adjusted properly with combustion kit 5.
  • Page 23 Complaint Check for: 7. Nozzle plugged 8. Nozzle too far forward in air tube 9. Barometric damper set wide open Cad cell not functioning 1. Requires direct view of flame 2. External light effecting cell operation 3. Remove cad cell and check with an ohmmeter: a.
  • Page 24 Oil Pump Pressure Problems And Their Possible Causes Complaint Check for: Excessive Pressure 1. Bypass plug in place with a single oil line system 2. Return oil line on two-pipe system clogged, kinked or restricted 3. Pressure regulating valve stuck 4.
  • Page 25 FURNACE ADJUSTMENT CHECK SHEET Customer’s Name Date: Address Furnace Model # Serial # ° Nozzle Size/Angle/spray pattern gal./hr. pattern Electrodes Adjusted Nozzle Oil Pressure p.s.i.g. Overfire Draft inches negative H 2 O Breech Draft inches negative H 2 O Chimney Draft inches negative H 2 O Smoke Reading %CO 2...
  • Page 26: Wiring Diagrams

    HEATING AND COOLING CONTINUOUS LOW SPEED BLOWER SCHEMATICFIGURE 38 FOR MODELS WITH UTEC 1012-925 INTEGRATED FURNACE CONTROL...
  • Page 27 PARALLEL WIRING UPFLOW OIL FURNACES SCHEMATIC...
  • Page 28 HEATING AND COOLING CONTINUOUS LOW SPEED BLOWER SCHEMATICFIGURE 38...
  • Page 29 FIGURE 38 FOR MODELS WITH UTEC 1012-925 INTEGRATED FURNACE CONTROL...
  • Page 32 CM 898...

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