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Table of Contents
Related Manuals for Burnham LE L7248
Summary of Contents for Burnham LE L7248
- Page 1 As an ENERGY STAR Partner, U.S. Boiler Co., Inc. has determined that the LE1 fired at the ® 0.60 GPH rate meets the ENERGY STAR guidelines for Energy efficiency established by the United States Environmental Protection Agency (EPA). 81433010R18-1/08 ™...
- Page 2 MANUAL. AUTHORITIES HAVING JURISDICTION SHOULD BE CONSULTED BEFORE INSTALLATIONS ARE MADE. IN ALL CASES, REFERENCE SHOULD BE MADE TO THE FOLLOWING STANDARDS: A. Current Edition of American National Standard ANSI/NFPA 31, “Installation of Oil Burning Equipment”, for clearances between boiler, vent connector and combustible material.
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Page 3: Table Of Contents
A. ALL EQUIPMENT is carefully manufactured, inspected and packed. Our responsibility ceases upon delivery of crated Boiler to the carrier in good condition. B. ANY CLAIMS for damage or shortage in shipment must be filed immediately against the carrier by the consignee. -
Page 4: Combustible Materials
E. For boiler located in a confined space or an uncon- fined space in a building of unusually tight con- struction, provide outdoor air with the use of two... -
Page 5: Ii. Installation Instructions
CHANGE HINGE POSITION if necessary. A. Look at the area where boiler will be installed. If left side of boiler will be less than 12 inches from a wall, move hinges to right side of boiler. See B through I below. - Page 6 Figure 4: Recommended Water Piping for Zone Valve Zoned Heating Systems Figure : Recommended Water Piping for Circulator Zoned Heating Systems...
- Page 7 A. Hot water pipes shall have clearances of at least ½” from all combustible construction. B. Use a system by-pass if the boiler is to be operated in a system which has a large volume or excessive radiation where low boiler water temperatures may be encountered (i.e.
- Page 8 B. CANADA — Refer to CSA standard C22.2 Part 1, 1990, Electrical Features of Fuel Burning Equip- ment (Gas and Oil). C. If boiler is installed in Canada, a blocked vent safety switch must be installed. Refer to Blocked Vent Safety Switch Instruction Supplement provided with boiler (Canada only).
- Page 9 Figure TWO-PIPE OIL LINES - For two-pipe systems where more lift is required, the two-stage fuel unit is recommended. Tables 2 (single-stage) and 3 (two-stage) show allowable lift and lengths of 3/8-inch and ½-inch OD tubing for both suction and return lines. Refer to Figure 10.
- Page 10 If the thermostat is not satisfied and the high limit is reached, the circulator will continue to operate, and the burner will stop until the high limit is closed by a drop in boiler water temperature.
- Page 11 Figure 11C: Wiring Diagram for LE Boilers with Riello Burner...
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Page 12: Iii. Operating And Service Instructions
NOTE: It is important to properly remove the oil and dirt from the system. CLEAN HEATING SYSTEM If boiler water is dirty, refer to step 13 for proper cleaning instructions. A. Fill entire Heating System with water and vent air from system. - Page 13 (boiler temp) followed by the temperature (i.e., 220), followed by °F or °C. To read boiler settings, press the I key to read the parameter of interest. For example, press I High Limit (HL) is displayed, followed by a three-digit number, i.e., 220, followed by °F or °C.
- Page 14 (and setting on MD(V1) head); gun setting; and positioning of electrodes. This information is shown in Figure 15, and Table 6. If the desired boiler firing rate is 0.6 GPH, the nozzle must be changed out, the low firing rate baffle must be installed and the factory settings must be changed according to Table 6.
- Page 15 C. READJUST AIR BANDS on burner for a light D. TURN “OFF” BURNER and remove pressure E. CAD CELL LOCATION AND SERVICE The burner is supplied with a cadmium sulfide flame F. FLAME FAILURE The LE boiler controls operate the burner automati- Settings Head Shutter Band...
- Page 16 PROCEDURES. BOILER AND SYSTEM CLEANING INSTRUC- TIONS FOR TROUBLE FREE OPERATION A. Filling of Boiler and System — General —-In a hot water heating system, the boiler and entire system (other than the expansion tank) must be full of water for satisfactory operation. Water should be added to the system until the boiler pressure gauge registers 12 psi.
- Page 17 (1) Remove Safety Relief Valve using extreme care to avoid damaging it. (2) Partially fill boiler and add caustic soda or triso- dium phosphate. Add an appropriate amount of recommended boil out compound.
- Page 18 Important Product Safety Information Refractory Ceramic Fiber Product Warning: The Repair Parts list designates parts that contain refractory ceramic fibers (RCF). RCF has been classified as a possible human carcinogen. When exposed to temperatures about 1805°F, such as during direct flame contact, RCF changes into crystalline silica, a known carcinogen.
- Page 19 . ATTENTION TO BOILER WHILE NOT IN reading in the readings. H. COLD OIL — If the oil temperature approaching the fuel pump is 40°F or lower poor combustion or...
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Page 20: Iv. Boiler Cleaning
CLEAN THE FIRETUBES A. For access to fireside of boiler, pull two halves of Burner Swing Door Interlock wiring harness apart, remove hex nuts holding door closed and open swing door. B. Prior to cleaning boiler, lay a protective cloth or plastic over combustion chamber liner. -
Page 21: V. Repair Parts
All LE™ Series Repair Parts may be obtained through your local Burnham Wholesale distribu- tor. Should you require assistance in locating a Burnham Distributor in your area, or have questions regarding the availability of Burnham products or repair parts, please contact Burnham Customer Service at (717) 481-8400 or Fax (717) 481-8408. - Page 22 Figure 1: LE Boiler Jacket & Insulation...
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Page 26: Service Record
SERVICE RECORD DATE SERVICE PERFORMED... -
Page 27: Low Water Cut Off
The minimum safe water level of a water boiler is at the uppermost top of the boiler; that is, it must be full of water to operate safely. - Page 28 If this action is not possible or does not produce a prompt response, the owner should write to U.S. Boiler Co., Inc., Burnham Hydronics, at P.O. Box 3079, Lancaster, PA 17604, giving full particulars in support of the claim.