Инструкции на Мазутные печи Lennox серии OHR...

Текст инструкции

1. Стр. 1 INSTALLATION

   INSTRUCTIONS ® 2002 Lennox Industries Inc. Dallas, Texas, USA OHR23 SERIES UNITS OIL UNITS 504,628M 38152A061 06/04 Supersedes 4/02 Litho U.S.A. Table of Contents General These instructions are intended as a general guide and do not supersede local codes in any way. Only qualified technicians can…

2. Стр. 2 OHR23 Unit Dimensions − Inches (mm)

   Model No. OHR23Q3 105/120 OHR23Q3-105/120 OHR23Q5 140/154 OHR23Q5-140/154 A B C D E F G H in. 20-1/2 20-1/2 10-1/4 mm in. 23-1/2 23-1/2 21 21 4-3/4 11-3/8 mm KNOCKOUTS (For Suspending) 3-1/2 (89) 14-1/2 (368) AIR FLOW Return Air 53 (1346) F A G FLUE OUTLET HORIZONTAL POSITION BURNER 8 (203) 3/4 (19)…

3. Стр. 3 OHR23 Unit Parts Arrangement

   CLEAN−OUT PORT FLUE OPENING HEAT EXCHANGER BECKETT AFII BURNER INDOOR BLOWER CLEAN−OUT PORT CONTROL BOX WITH FAN CONTROL BOARD Figure 1 OHR23 Oil Burner Parts Arrangement FLANGE GASKET FLANGE RETAINING CLIP AIR TUBE SCREWS AIR TUBE ASSY FOR FB HEADS ELECTRONIC IGNITION PRIMARY IGNITOR CONTROL…

4. Стр. 4 Table 1

   Combustion Air Opening Dimensions Requirements WARNING Product contains fiberglass wool. Disturbing the insulation in this product during installation, maintenance, or repair will expose you to fiberglass wool dust. Breathing this may cause lung cancer. (Fiberglass wool is known to the State of…

5. Стр. 5 on carpeting, tile or other combustible material other than

   wood flooring. When installed on wood flooring, the additive base must be used. See Unit Dimension illustration. Unit must be adjusted to obtain a temperature rise within the range listed in table 4 in the Adjustments" section. When used in conjunction with a evaporator coil, the furnace shall be…

6. Стр. 6 3− Both supply and return air plenums shall be square and

   least 18" long. They should be the same dimension as the furnace opening. 4− If unit is installed in a confined space such as a utility room where there is no complete return air duct system, a return air connection should be run (the same size as the return air opening) to a location outside the…

7. Стр. 7 Unit Adjustments

   OHR23 Series Burner Removal Neither the nozzle setting nor the air adjustments are factory set. The furnace is fire−tested and the limit control is checked to make sure it functions properly; no factory settings are made. During installation, the furnace must be set up. The installing…

8. Стр. 8 Venting

   WARNING 8 − The vent may pass through a wall where provisions have been made for a thimble as specified in the Standards of the National Board of Fire Underwriters. See figure 7. The barometric damper shall be in the same atmospheric pressure zone as the combustion air inlet to the furnace.…

9. Стр. 9 13− The vent pipe shall not be connected to a chimney

   vent serving a solid fuel appliance or any mechanical draft system. 14− All unused chimney openings should be closed. 15− All vent pipe run through unconditioned areas or outside shall be constructed of factory built chimney sections. See figure 9. In the absence of local codes concerning air for…

10. Стр. 10 or at the return air duct connection can cause a potentially

    dangerous negative pressure condition. Air for combustion and ventilation can be brought into the confined space either from inside the building or from outside. Equipment In Confined Space All Air From Outside (Inlet Air from Crawl Space and Outlet Air to Ventilated Attic) CHIMNEY OR OIL VENT Air…

11. Стр. 11 Equipment In Confined Space

    All Air From Outside CHIMNEY OR OIL VENT WATER HEATER OUTLET AIR OIL FURNACE When ducts are used, they shall be of the same cross−sectional area as the free area of the openings to which they connect. The minimum dimension of rectangular air ducts shall be no less than 3" (76 mm). In calculating…

12. Стр. 12 Direct Connection of Outdoor Air for Combustion

    The Beckett AFII burner was designed to allow for direct air intake piping (4" [102 mm]). The maximum equivalent length of pipe is 70 feet (21.3 m). A 90 elbow equals 6feet (1.8 m). The enclosed intake pipe ring may be used to facilitate direct air intake to the burner through the right side of the…

13. Стр. 13 ÉÉÉÉÉÉÉÉÉ

    ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉ Flue Connections Radiation Shield Installation COMBUSTIBLE MATERIAL OHR23 UNIT (TOP) IMPORTANT When flue pipe is installed at less than minimum clearance listed in tables 2 and 3, radiation shields must be installed. See…

14. Стр. 14 One−Pipe System

    Oil Piping When using a one−pipe system with the oil tank even above the burner and a vacuum of 6" (152 mm) Hg or less, a single− stage fuel pump with a supply line and no return line should be adequate. See figure 16. Manual bleeding of the fuel pump is required on initial start up. Failure to…

15. Стр. 15 An oil filter is required for all models. Install filter inside

    the building between the tank shut-off valve and the burner. Locate filter close to burner for easy maintenance. Table 6 lists the filters for the OHR23 furnace. Oil Supply Line & Filter Connections One−Pipe Systems CAUTION Table 6 Installation Clearances inches (mm) Do not install the bypass plug…

16. Стр. 16 Fan Control Board

    thermostat terminal strip Figure 18 Typical OHR23 Wiring Diagram Figure 19 Page 16

17. Стр. 17 Unit Start−Up & Adjustments

    5− If burner fails to light again, refer to the troubleshooting section in this manual. Before starting unit, make sure the oil tank is adequately filled with clean No. 1 or No. 2 furnace oil. A − Fuel Pump Pressure NOTE − Water rust or other containments in oil supply system will cause malfunction…

18. Стр. 18 E − Burner Adjustment

    The following steps are essential to the proper operation of OHR23 series oil furnaces. To prevent sooting, these instructions must be followed in sequence: 1 − Draft This test should be taken at the breach between the outlet of the vent connector and the barometric draft control. Generally a 1/4"…

19. Стр. 19 6− Brush out and vacuum the vent outlet area of the outer

    drum and replace vent pipe. 7− Clean around burner, blower deck and vestibule area. NOTE − A heat exchanger clean-out kit ABRSH380 (35K09) is available from Lennox. OHR23 Start−Up & Performance Check List Job No. Date Job Location City State Installer City State Job Name Serial No. Unit Model No.…

20. Стр. 20 Troubleshooting

    Burner failure or improper operation can result from a number of different causes. Often the cause can be pinpointed by observing the different types of failure or by the process of elimination. The fol- lowing troubleshooting charts list some failures, causes and a sequence of steps to isolate the…

21. Стр. 21 Troubleshooting: Burner fails to start

    Source Thermostat y Overloads Safety Power Thermostat CAD Cell Primary Control Burner Procedure Check thermostat settings. Check burner motor, primary y control, & auxiliary y limit safety switch. it h Check furnace disconnect switch & main disconnect. Touch jumper wire across thermostat terminals…

22. Стр. 22 Troubleshooting: Burner starts, but no flame is established

    Source Oil Supply Procedure No oil in tank Fill tank. Coat dip stick with litmus paste and insert into bottom of tank. Water in oil tank If water depth exceeds 1 inch, pump or drain water. Listen for pump whine. Tank shut−off valve closed Open valve. Oil line filter is plugged Replace filter…

23. Стр. 23 Troubleshooting: Burner starts and fires, but lock out on safety

    Source Procedure If burner conti tinues tto run, this may be due to poor fire. Inspect fire. Poor Fire Flame Detector After burner fires, immediately jumper across flame detector terminals at the primary control. control Correction Unbalanced fire Replace nozzle Too much air − −lean short fire…

24. Стр. 24 Troubleshooting: Burner starts and fires, but short cycles (too little heat)

    Source Thermostat Limit Control Power Procedure Causes Check thermostat. Correction Heat anticipator set too low Correct heat anticipator setting. Vibration at thermostat Correct source of vibration. Thermostat in the path of a warm air draft Shield thermostat from draft or relocate. Dirty furnace…

25. Стр. 25 Troubleshooting: Burner runs continuously (too little heat)

    Source Procedure Low CO2 less than 10%. Causes Too much combustion air Reduce combustion air. Air leaks into heat exchanger around inspection door, etc. Correct cause of air leak. Excessive draft Adjust barometric draft control for correct draft. Incorrect burner head adjustment Correct burner head…

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