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Installation, Operation and
Maintenance Manual
Oil Fired Warm Air Furnaces
O5LD-091A-12-R (Lowboy Model)
FOR YOUR SAFETY:
Do not store or use gasoline or other flammable liquids or
vapors in the vicinity of this, or any other appliance.
ALL INSTALLATIONS MUST MEET ALL
LOCAL, PROVINCIAL/STATE, AND
FEDERAL CODES WHICH MAY
DIFFER FROM THIS MANUAL
NORDYNE INC.
Read this complete manual before
beginning installation. These instructions
must be kept with the furnace for future
reference.
964D-0712
240009611 Rev A 05/2012
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Table of Contents
Related Manuals for Nordyne O5LD-091A-12-R
Summary of Contents for Nordyne O5LD-091A-12-R
- Page 1 Installation, Operation and Maintenance Manual Oil Fired Warm Air Furnaces O5LD-091A-12-R (Lowboy Model) FOR YOUR SAFETY: Do not store or use gasoline or other flammable liquids or vapors in the vicinity of this, or any other appliance. ALL INSTALLATIONS MUST MEET ALL...
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Page 2: Table Of Contents
TABLE OF CONTENTS 1. INTRODUCTION ......................3 2. HEAT LOSS ........................3 3. LOCATION OF UNIT ....................... 3 4. AIR CONDITIONING APPLICATIONS ................. 3 5. COMBUSTION AIR ......................4 6. CHIMNEY VENTING ....................... 4 7. BAROMETRIC DAMPER CONTROL..................4 8. FAN TIMER BOARD AND LIMIT CONTROL................5 9. -
Page 3: Introduction
MODELS O5LD-091A-12-R The minimum installation clearances are listed in Table Model O5LD-091A-12-R is an oil fired forced air up- flow furnace with an output capacity range of 59,000 Table 1: Clearances – (Inches) BTU/Hr. to 85,000 BTU/Hr. -
Page 4: Combustion Air
The flue pipe must not pass through any floor or 5. COMBUSTION AIR ceiling, but may pass through a wall where suitable fire If the furnace is installed in a closet or utility room, two protection provisions have been installed. Refer to the openings must be provided connecting to a well- latest edition of CAN/CSA B-139 for rules governing ventilated space (full basement, living room or other... -
Page 5: Fan Timer Board And Limit Control
The power requirement for the O5LD-091A-12-R model is: 120 VAC, 1 Ø, 60 Hz., 12A. Accessories requiring 120 VAC power sources such as... -
Page 6: Humidifier
13. OIL BURNER NOZZLES Thermostat wiring connections and air conditioning contactor low voltage connections are shown in the The O5LD-091A-12-R is certified for multiple firing wiring diagrams in Appendix B. Some micro-electronic rates, ranging from 70,000 to 105,000 Btu/h. By thermostats require additional controls and wiring. -
Page 7: Burner Primary (Safety) Control
BLOWER ACCESS DOOR IS SECURED IN PLACE. 18. CIRCULATING AIR BLOWER DISCONNECT THE POWER SUPPLY TO THE The O5LD-091A-12-R furnace model is equipped with FURNACE BEFORE OPENING THE BLOWER PSC motor Direct Drive blower systems. Direct drive ACCESS DOOR TO SERVICE THE AIR blower speed adjustments are not normally required in FILTER, FAN AND MOTOR. -
Page 8: Maintenance And Service
Annual Service By Contractor 19. MAINTENANCE AND SERVICE A: Routine Maintenance By Home Owner Other than remembering to arrange for the annual THE COMBUSTION CHAMBER (FIREPOT) IS professional servicing of the furnace by the service or FRAGILE. USE CARE WHEN INSPECTING installation contractor, the most important routine service performed by the homeowner is to maintain the AND CLEANING THIS AREA. -
Page 9: Operating Instructions
To Shut Down Unit 20. OPERATING INSTRUCTIONS Set the thermostat to the lowest possible setting. Before Lighting Set the manual switch (if installed) in the Electrical Open all supply and return air registers and grilles. Power Supply Line to "OFF". Open all valves in oil pipes. -
Page 10: Oil Burner Air Adjustment
APPENDIX A – O5LD-091A-12-R O5LD-091A-12-R furnace may be used with the following oil burners. Please note: The Beckett AF oil burner is for applications using indoor air for combustion only. Table A-1 Beckett AF Oil Burner Set-Up Beckett AF Series Oil Burners... - Page 11 After the air adjustments have been completed, re-check the draft pressure at the test port on the burner mounting plate as shown in Figure 2. The draft should be adjusted to -0.02 inches w.c. In the United States, the Beckett AF Burner may be equipped with Beckett's "Inlet Air Shut-Off"...
- Page 12 Tons Power Range Speed Motor Speed Motor O5LD-070A-12-R 10-10T 1/2 HP Med-Low 1/2 HP 1/2 HP 700 – 1600 O5LD-091A-12-R 10-10T Med-Low 1/2 HP Med-Low 1/2 HP 1/2 HP 700 – 1600 O5LD-105A-12-R 10-10T Med- Med-Low 1/2 HP High 1/2 HP 1/2 HP 700 –...
- Page 13 Table A-9: General Dimensions (Inches) CABINET PLENUM OPENINGS FLUE SHIP FILTER WIDTH LENGTH HEIGHT SUPPLY RETURN HEIGHT WEIGHT (PERM) DIAM. D X E F X G (LBS.) O5LD-091A-12-R 51½ 20½ x 19 20½ x 18½ 26.25 20 x 20 x 1...
- Page 14 Chimney Vent Burner Wiring Diagram APPENDIX B: WIRING DIAGRAMS O5LD-091A-12-R...
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Page 15: Operation Of Oil Burner
Set the heat anticipator adjustment in the OPERATION OF OIL BURNER thermostat (if so equipped), by removing the "R" Once the furnace flue pipe, electrical and oil line or "W" wire to the thermostat, then reading the connections have been made, use the following amperage draw between the two wires. - Page 16 Table C-1: 1158-120 ELECTRONIC FAN TIMER (EFT) DETAILED SEQUENCE OF OPERATION Mode Action System Response EFT closes the oil primary control T - T connections). Ignition system and the oil primary control start the furnace. Oil flows as long as the oil Thermostat calls for heat.
- Page 17 FIGURE 2: UNITED TECHNOLOGIES 1158-120 FAN TIMER BOARD (O5LD-019A-12-R)
- Page 18 Check Oil Primary Control and Igniter Troubleshooting If the trouble does not appear to be in the burner or IMPORTANT: Due to the potential hazard ignition hardware, check the oil primary control and the of line voltage, only a trained, experienced igniter by using the following equipment: service technician should perform the Screwdriver, Voltmeter (0 - 150 V...
- Page 19 Table C4: System and General Troubleshooting Problem Possible Cause Remedy Check thermostat and adjust. Also, check thermostat for accuracy; if it is Thermostat not calling for heat. a mercury switch type, it might be off level. Check furnace switch, main electrical panel furnace fuse or circuit breaker.
- Page 20 Check electrode settings. Check electrodes for dirt build-up or cracks in Electrodes out of adjustment or porcelain. defective. Poor transformer high voltage Check contacts between the igniter and electrodes. If OK, replace the connections or defective igniter Oil burner sputtering at transformer.
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Page 21: Final Check Out
Table C-4: System and General Troubleshooting continued Problem Possible Cause Remedy Airflow blocked or dirty air filter. Clean or replace air filter. Supply air temperature too Check all dampers. Open closed dampers including registers in unused hot. Insufficient airflow. rooms. Check system temperature rise. If temperature rise is too high, speed up blower fan. - Page 22 HOMEOWNER’S REFERENCE TABLE Model No. Serial No. Date Installed Contractor Contact Address Postal Code Telephone No. After Hours No. If different from Installation Contractor: Service Tech. Telephone No. After Hours No. Fuel Supplier Fuel Oil Supplier Contact Telephone No. After Hours No.
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Page 23: Parts Listing
PARTS LISTING: LOWBOY MODEL: O5LD-091A-12-R Ref. No. Description Part No. Left Side Panel Assembly 29631AD Right Side Panel Assembly 29630AD Upper Rear Panel 29638AD Blower Division Panel Assembly 29676 Base Panel Assembly 28459 Inner Front Panel 30154 Blower Access Door... - Page 24 Description Ref. No. Part No. *Beckett AF Oil Burner Assembly, AF76BNHS *30067 Burner Motor 1/7 HP 3450 RPM PSC 29689 Oil Pump, Clean-Cut A2EA6520 29688 Solid State Igniter 29522 *Flame Retention Head, F3 *11961 *Air Tube Combination, AF76BN *29892 Low Fire Kit 29880 Low Firing Rate Baffle 25521101...
- Page 27 NOTES:...
- Page 28 NOTES: Nordyne, Inc., 8000 Phoenix Parkway, O’Fallon, Missouri, 63368...