Lennox International Inc.メーカーO23V2-90の使用説明書/サービス説明書
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,t_ 2005 Lennox industries Inc, Dallas, Texas, USA INSTALLATION INSTRUCTIONS O23V Series Units OIL UNITS _ Technical 505,082M LL.L[ Publications 10/05 Litho U.
3/4 (19) 3/4_19) 4 D-------_ c==_ CZ222ZD C SUPPLY O AIR czz_ OPENING _ SIDE FLUE OUTLET CENTERING HOLE_ (Field Fabricate Either Side) ELECTRICAL INLET (Right Side Only) OIL PIPING INLET (Left Side Only)_ OPT.
HEATEXCHANGER FLUE OPENING CLEAN-OUT PORT LIMIT SWITCH CONTROL BOX WITH FAN CONTROL BOARD CLEAN-OUT PORT OBSERVATION PORT BECKETT@ AFIIBURNER COMBUSTION AIR INTAKE VARIABLE SPEED BLOWER MOTOR CAPACITO.
A CAUTION A CAUTION Model No. O23V-70/90/105/120 O23V-140/154 Installation of Lennox oil-fired furnaces must conform with the National Fire Protection Association Standard for the Installation of Oil Burning Equipment, NFPA No. 31, the National Electrical Code, ANSI/NFPA No.
Neither the nozzle setting nor the airadjustments are fac- tory set. The furnace is firetested andthe limit control is checked to make sure it functions properly; no factory set- tings are made.
A, WARNING I A WARNING CAUTION NOTE - Oil burning equipment may be vented into an ap- proved masonry chimney or type L vent. (Type L vent is similar in construction to type B gas vent. Type L vent car- ties a higher temperature rating and is constructed with an inner liner of stainless steel, rather than aluminum.
16. Where condensation of vent gas is apparent, the vent should be repaired or replaced, Accumulation of con- densation in the vent is unacceptable. 17. Vent connectors serving this appliance shall not be connected into any portion of mechanical draft sys- tems operating under positive pressure, 18.
Air from an Adjacent Space If the confined space housing the furnace adjoins space categorized as unconfined, air can be brought in by provid- ing two permanent openings between the two spaces. Each opening must have a minimum free area of 1 square inch (6.
Equipment in Confined Space All Air From Outside OR_ _ OIL VENT _ WATER II II II II HEATER II II OIL FURNACE INLET AIR NOTE - Each air duct opening shall have a free area of at least one square inch (6A square centimeters) per 2,000 Btu (586 W) per hour of the total input rating of all equipment in the enclosure.
Locate the barometric draft control within 18 inches of the furnace flue outlet, See figure 13 for barometric draft con- trol location. Horizontal Venting BAROMETRIC CONTROL* HORIZONTAL VENT- -- ING CONTROL CC3 *Barometric control must be installed in the horizontal venting system and located within 18" of flue outlet of furnace.
Oil Piping - One-Pipe System -- AIR VENT -- FILL PIPE _o_1 II TANK I v_l 8ft(2.4m) ol II 111S"UT'OFF I "Maximam IL VALVE I One Pipe Lift _o Oo °°8° _o °o °o_o °o o_ Figure 15 To d.
One-Pipe Systems CAUTION The burner is shipped with fuel pump set for one-pipe op- eration. For one-pipe systems, the oil supply pipe is con- nected to the inlet tap on the pump. A one-pipe system should only be used where there is gravity oil flow to the pump and the pipe is not run at any point above the oil level in the tank.
IMPORTANT 2, Install the room thermostat and make wire connec- tions to the fan control board. Avoid installing thermo- stat on an outside wall or where it can be affected by radiant heat, Set the adj.
ADJUST The ADJUST pins allow the motor to run at normal speed, approximately 15% higher than normal speed, or 15% low- er than normal speed. Table 6 gives three rows--NORM, (+), and (-) with their respective CFM volumes.
Continuous Fan When the thermostat is set for "Continuous Fan" operation and there is no demand for heating or cooling, the blower control will provide 50% of the COOL CFM selected.
023V Wiring Diagram $2, _ ? THERMOSTAT " I _ ' L J LLL: - FACTORY *IRINE co&_____.NsiNG LINE VOLTAGE - -- - LOW VOLTAGE FIELD WIRING DENOTES OPTIONAL COMPONENTS /X 1F ANY WIRE IN THIS APPLIANCE IS REPLACED, IT MUST BE REPLACED WITH LIKE SIZE,RATINE AND INSULATION THICKNESS.
Before starting unit, make sure the oil tank is adequately filled with clean No, 1 or No, 2 furnace oil, NOTE - Water, rust or other contaminants in oil supply sys- tem will cause malfunction and failure of the internal parts of the fuel pump.
causing the unit to start sooting/smoking, Things which might affect combustion include a nozzle going bad, draft that changes during different climatic condi- tions, dirty oil, dirt obstructing the air inlet, etc.
4, Action: Established flame fails Response: • Burner motor is de-energized and oil primary con- trol goes into recycle mode, • If the fan off delay is longer than the recycle timing, the heat fan continues to run through the next trial for ignition.
Source Procedure Causes Correction Burner Blown fuse Replace the fuse. Place the trouble light between the black and white leads to the burner motor. No light indicates that no power is getting to the motor. Place trouble light between the black and white leads to the blower motor.
Source Procedure Causes Correction Burner Motor Low line voltage Motor does not come up to speed and trips out on overload. Turn off power and rotate blower wheel by hand to check for binding or excessive drag. Check voltage at power source. Correct cause of voltage drop or the call power company.
Source Procedure Correction Power Locate and secure connection. If voltage fluctuates, fault is in the power source. Recheck voltage at the power source.
Source Procedure Thermostat Disconnect thermostat wires at the primary control. • Burner turns off: ther- mostat circuit faulty. Primary • Burner not turning off: control primary control faulty. Combus- tion Oil Pres- sure Check burner combustion for CO2, stack temperature, and smoke • Low CO2 less than 10%.
Customer Name Street Address City State/Zip Code Furnace Model # Serial # Input Rate Nozzle Used New Construction Replacement Installation Data Furnace Location: A Basement- Open Enclosed* B Utility Room - Open Enclosed* C Closet- Open Enclosed* D Crawl Space- Open Enclosed* *Provisions must be made for adequate air for combustion.
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