Nordyne O4HD-091A-12-FA Installation Instructions Manual
Nordyne O4HD-091A-12-FA Installation Instructions Manual

Nordyne O4HD-091A-12-FA Installation Instructions Manual

Oil-fired warm air furnace (upflow or horizontal models)

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NORDYNE
INSTALLATION
INSTRUCTIONS

TABLE OF CONTENTS

INTRODUCTION ....................................................... 3
HEAT LOSS .............................................................. 3
LOCATION OF UNIT................................................. 3
AIR CONDITIONING ................................................. 4
COMBUSTION AIR ................................................... 4
CHIMNEY VENTING ................................................. 5
OIL TANK.................................................................. 7
PIPING INSTALLATION ........................................... 7
ELECTRICAL CONNECTIONS................................. 7
CIRCULATING AIR BLOWER (ECM)....................... 8
FURNACE CONTROLS ............................................ 9
OIL BURNER ............................................................ 9
FURNACE INSTALLATION SET-UP ...................... 11
MAINTENANCE AND SERVICE............................. 12
OPERATING INSTRUCTIONS................................ 12
TABLE A-3: DIRECT DRIVE BLOWER
CHARACTERISTICS .............................................. 14
AND O4HD-140A-16-FA ......................................... 16
AND O4HD-140A-V-F ............................................. 17
WIRING NOTES ...................................................... 18
TABLE C-1: EFT DETAILED SEQUENCE OF
OPERATION ........................................................... 20
TABLE C-1: EFT DETAILED SEQUENCE OF
OPERATION ........................................................... 21
TABLE C-2: CAD CELL RESISTANCE................. 23
TABLE C-3: R7184 TROUBLESHOOTING ........... 24
TABLE C-4: SYSTEM AND GENERAL
TROUBLESHOOTING ............................................ 26
AIR FILTER LOCATION ......................................... 29
PARTS..................................................................... 30
OIL-FIRED WARM AIR
FURNACE
O4HD-091A-12-FA AND O4HD-091A-V-F
O4HD-140A-16-FA AND O4HD-140A-V-F
(UPFLOW OR HORIZONTAL MODELS)
Read this manual completely before beginning
installation.
Important: These instructions must be kept with
the furnace for future reference.
1
151B0801 R5 3/28/2006

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Summary of Contents for Nordyne O4HD-091A-12-FA

  • Page 1: Table Of Contents

    TABLE A-2: DIRECT DRIVE BLOWER SET-UP..13 TABLE A-3: DIRECT DRIVE BLOWER CHARACTERISTICS ..........14 GENERAL DIMENSIONS – O4HD MODELS ..15 APPENDIX A: WIRING DIAGRAM O4HD-091A-12-FA AND O4HD-140A-16-FA ......... 16 APPENDIX B: WIRING DIAGRAM O4HD-091A-V-F AND O4HD-140A-V-F ..........17 WIRING NOTES ............
  • Page 2: Introduction

    THESE INSTALLATION or by other method prescribed by INSTRUCTIONS authorities having jurisdiction that are O4HD-091A-12-FA and O4HD-140A-16- APPLICABLE LOCAL, STATE, AND FA are equipped with direct drive suitable for local conditions. NATIONAL CODES INCLUDING BUT permanent split capacitor motors.
  • Page 3 Rotate the furnace 90° to the Table 1: Clearance to Combustibles desired position. Furnace O4HD Remove the three nuts fastening the oil burner assembly to the furnace. Location Upflow Horizontal Rotate the oil burner assembly to be 2 in. 2 in. in the normal upright position.
  • Page 4: Air Conditioning

    as to not allow twisting or sagging of the the latest Oil Installation Code editions; for it, and take corrective action. If the cabinet. Position the supports so as to NFPA 31 in the United States, CAN/CSA chimney is correctly and in good repair, it not interfere with accessing the burner B139 in Canada.
  • Page 5 Fig. 2: Common Chimney Problems Can be found Obstruction in by light and Use weight to chimney mirror reflecting break and conditions in dislodge. chimney. Must be Lowering a light handled by Joist protruding on an extension competent into chimney. cord.
  • Page 6: Oil Tank

    not interfere with the combustion air basement, etc.). It must be equipped Table 4: Oil Lines supplied to the burner. The control with a shut-off valve at the tank outlet Copper Tubing Oil Line Length (Feet) should be located a minimum of 3 flue used for the oil supply.
  • Page 7: Circulating Air Blower (Ecm)

    accessible area between the furnace and conditioning system, furnace room entry, and be located in particular attention to polarity. such a manner to reduce the likelihood When the thermostat is reconnected that it would be mistaken as a light and re-plumbed, adjust the heat switch or similar device.
  • Page 8: Furnace Controls

    MANUAL FAN. pigtail joined to both heating and cooling circulating start-up speed wires with a wire nut. As a safety shutdown is immediate in the cooling When the manual fan switch on the precaution against accidental mode. thermostat is on, energizing G only, the disconnection of the wires by vibration, it blower will ramp to 50% of the selected The heating mode “fan off”...
  • Page 9 tapered and free of burrs, and the Note B: Ideally, hole should be at least contact rods must be clean and be in 12 inches from breeching or elbow. firm contact with the ignition transformer PROCEDURE: contact springs. The electrodes must not BEFORE OPERATING THE FURNACE come into contact with the burner head.
  • Page 10: Furnace Installation Set-Up

    Fig. 5: Checking Over-Fire Draft. appliance rating plate of model for temperature rise is too low, slow the fan temperature rise range. down. If the venting from the furnace to the C) Keep mind that stack chimney is long, or exposed to cold temperature varies directly with the ambient temperatures,...
  • Page 11: Maintenance And Service

    MAINTENANCE AND SERVICE in each oil port with SAE 20 non- To Shut Down Unit detergent oil. Oiling is most easily done Set the thermostat to the lowest possible ROUTINE MAINTENANCE with a "tele-spout" oiler. This oiler has a setting. manual switch HOME OWNER...
  • Page 12: Table A-1: Beckett Oil Burner Set-Up

    TABLE A-1: BECKETT OIL BURNER SET-UP BECKETT AFG SERIES OIL BURNERS FURNACE OUTPUT BURNER NOZZLE PUMP FLOW STATIC HEAD MODEL BTU/Hr. MODEL (Delavan) PRESSURE RATE PLATE 1, 2 58,100 AF76BO 0.50 / 70° W 100 PSIG 0.50 GPH 3-3/8 in. O4HD-091A 73,700 AF76BN...
  • Page 13: Table A-3: Direct Drive Blower Characteristics

    TABLE A-3: DIRECT DRIVE BLOWER CHARACTERISTICS TEMP. FURNACE MOTOR MOTOR RISE BLOWER SWITCH/SPEED External Static Pressure – inches w.c. MODEL (∆T) SETTING 0.20 0.30 0.40 0.50 0.60 High 1477 1411 1316 1267 1215 O4HD-091A-12- Med-High 1388 1316 1267 1215 1133 ½...
  • Page 14: General Dimensions - O4Hd Models

    GENERAL DIMENSIONS – O4HD MODELS TABLE A-4: GENERAL DIMENSIONS (Inches) – O4HD MODELS Cabinet Plenum Openings Flue Ship Filter Supply Air Return Air Weight Width Depth Height Height (Perm.) Dia. Side (lb.) D x E Bottom F x G O4HD-091A 50 1/2 20 1/2 x 20 14 x 22...
  • Page 15: Appendix A: Wiring Diagram O4Hd-091A-12-Fa And O4Hd-140A-16-Fa

    APPENDIX A: WIRING DIAGRAM O4HD-091A-12-FA and O4HD-140A-16-FA 151B0801 R5 3/28/2006...
  • Page 16: Appendix B: Wiring Diagram O4Hd-091A-V-Fand O4Hd-140A-V-F

    APPENDIX B: WIRING DIAGRAM O4HD-091A-V-F and O4HD-140A-V-F 151B0801 R5 3/28/2006...
  • Page 17: Wiring Notes

    WIRING NOTES NOTE: It is seldom advisable to operate electronic cleaner CONTINUOUS FAN OPERATION continuous low speed because of the potential for excess ozone generation. The EFTB (Electronic Fan Timer Board) has provisions to run the blower motor The HUM terminals provide power to a continuously on a speed lower than the line voltage humidifier or humidifier step cooling or heating speeds.
  • Page 18: R7184 Detailed Sequence Of Operation

    R7184 DETAILED SEQUENCE OF OPERATION Power is applied to unit. The R7184 completes a self-diagnostic procedure. If no light or flame is present, and unit passes its self-diagnostic procedure, the control enters into the idle mode. Thermostat calls for heat: A) Safety check is made for flame (4 second delay).
  • Page 19: Operation

    IDLE STATE THERMOSTAT CALLS FOR HEAT R7184 SEQUENCE OF SAFETY CHECK FOR FLAME REMAINS IN IDLE STATE (5 SEC.) OPERATION NO FLAME BURNER MOTOR & IGNITOR START FLAME 10 SEC. SAFETY CHECK FOR FLAME (5 SEC.) NO FLAME SOLENOID VALVE OPENS FLAME LOCKOUT STATE TRIAL FOR IGNITION...
  • Page 20: Table C-1: Eft Detailed Sequence Of Operation

    TABLE C-1: EFT DETAILED SEQUENCE OF OPERATION Mode Action System Response a. Electronic fan timer energizes oil burner. (T – 3/T connections for Beckett R7184). b. R7184 oil primary control starts the oil burner. Oil flows as Thermostat calls for heat. HEAT long as the oil primary control senses flame.
  • Page 21 Continued from last page Mode Action System Response Circulating fan runs as long as limit string stays open. Limit switch string opens. If there is a call for cooling or fan, the circulating fan switches from heating (Continued) to cooling speed. Electronic fan timer begins heat “fan off”...
  • Page 22: Troubleshooting

    service technician should perform the PRELIMINARY CHECKS: R7184 LED DIAGNOSTIC LIGHT troubleshooting procedure. Make sure that limit switches are closed The LED diagnostic light has several and that contacts are clean. PRELIMINARY STEPS: functions. It indicates the state or mode Check for line voltage power on the oil in which the oil burner is operating.
  • Page 23 Table C-3: R7184 TROUBLESHOOTING Condition: Burner motor does not start when there is a call for heat. Procedure Status Corrective Action Check that limit switches are closed and contacts are clean. This includes the burner motor reset button. Check for line voltage power at the oil primary control.
  • Page 24 Table C-3: R7184 Troubleshooting continued from previous page Procedure Status Corrective Action Indicator light turns off. Eliminate external light source or permanently shield cad cell. Replace cad cell with new cad cell and recheck. If indicator light does not turn off, remove cad cell lead Shield cell from...
  • Page 25: Table C-4: System And General Troubleshooting

    Table C-3: R7184 Troubleshooting continued from previous page Procedure Status Corrective Action 10. Check cad cell. Indicator light is on. Remount control onto burner housing. Go to step 6. • Disconnect line voltage power and open line switch. • Remove existing cad cell and replace with new cad cell.
  • Page 26 Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy Photo Cell wiring shorted or Check photo cell (cad cell) wiring for short circuits. Also, check room light leaking into photo for room light leaking into cad cell compartment. Repair light cell compartment leak if necessary.
  • Page 27 Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy System temperature rise ideally should not exceed 85°F. Check System temperature rise too for clogged air filters. Check blower fan for excess dirt build-up high. or debris. Speed up blower fan if necessary. Check “fan off”...
  • Page 28: Air Filter Location

    Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy Airflow blocked or dirty air Clean or replace air filter. filter. Supply air temperature Check all dampers. Open closed dampers including registers in too hot. Insufficient airflow. unused rooms. Check system temperature rise. If temperature rise is too high, speed up blower fan.
  • Page 29: Parts

    PARTS 151B0801 R5 3/28/2006...
  • Page 30 30381 Blower Assembly 11-10 (Nordyne #904075) 30371 Blower Wheel 11-10 (Nordyne #667280) 29667 Blower Assembly, Complete, Direct Drive, 1/2 hp, PSC O4HD-091A-12-FA 29581 O4HD-091A-12-FA Blower Assembly 10-10 (Nordyne #917968) 29572 O4HD-091A-12-FA Blower Wheel 10-10 (Nordyne #) Blower Slide Rails (2 per unit)
  • Page 31 Junction Box 28723 Junction Box Cover 28722 Blower Assembly, Complete, Direct Drive, 3/4 hp, O4HD-140A-16-FA 29582 Blower Assembly 11-10 (Nordyne #904075) 29573 Blower Wheel 11-10 (Nordyne #667280) 29667 Blower Slide Rails (2 per unit) 29584 Blower Assembly, Complete, Direct Drive, 3/4 hp, ECM O4HD-140A-V-F...
  • Page 32 Telephone No. After Hours No. Service Contractor if different from Installation Contractor: Service Tech. Telephone No. After Hours No. Fuel Supplier: Oil Supplier Contact Telephone No. After Hours No. Nordyne, Inc. 8000 Phoenix Parkway O’Fallon Missouri 63366 151B0801 R5 3/28/2006...

This manual is also suitable for:

O4hd-091a-v-fO4hd-140a-16-faO4hd-140a-v-f

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