1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 730 Oil-Fired Wall FurnacesUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPROD
2、UCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Oil-Fired Wall Furnaces, UL 730 Fifth Edition, Dated August 29, 2003 Summary of Topics This revision to UL 730 is being issued to remove the reference to the withdrawal date of UL 873 and to address universal upkeep of UL S
3、tandards for Safety. These revisions are considered to be non-substantive and not subject to ULs STP process. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. Changes in requirements are marked with a vertical line
4、 in the margin and are followed by an effective date note indicating the date of publication or the date on which the changed requirement becomes effective. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, elec
5、tronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be
6、 liable for any special, incidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibilit
7、y of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liabil
8、ity, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. The requirements in this Standard are now in effect, except for those paragraphs, sections, tabl
9、es, gures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effective date are located after the Standard, and are preceded by a SUPERSEDED REQUIREME
10、NTS notice. OCTOBER 9, 2013 UL 730 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL OCTOBER 9, 2013 UL 730 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL A
11、UGUST 29, 2003 (Title Page Reprinted: October 9, 2013) 1 UL 730 Standard for Oil-Fired Wall Furnaces First Edition August, 1955 Second Edition September, 1974 Third Edition June, 1987 Fourth Edition December, 1994 Fifth Edition August 29, 2003 This ANSI/UL Standard for Safety consists of the Fifth E
12、dition including revisions through October 9, 2013. The most recent designation of ANSI/UL 730 as a Reaffirmed American National Standard (ANS) occurred on August 22, 2012. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Page, or effective date information. Com
13、ments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor elec
14、tronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2013 UNDERWRITERS LABORATORIES INC. UL/ANSI 730-2008 (R2012)UL COPYRIGHTED MATERIAL NOT AUTH
15、ORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL OCTOBER 1, 2008 OIL-FIRED WALL FURNACES - UL 730 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .7 2 General 7 3
16、Glossary .7 3A Undated References 11 4 Components 11 CONSTRUCTION MECHANICAL 5 Assembly .12 6 Servicing 14 6.1 General 14 6.2 Moving parts 14 7 Disposal of Combustion Products 15 8 Casing 15 9 Radiation Shields 16 10 Materials in Air Handling Compartment 16 11 Air Filter .17 12 Combustion Chamber .1
17、7 13 Radiator .17 14 Heating Surface Joints 17 15 Baffles.18 16 Flue Collar .19 17 Damper and Draft Regulator .19 CONSTRUCTION ELECTRICAL 18 Controls .19 18.1 Application 19 18.2 Limit control .20 18.3 Primary safety control .20 19 Field Wiring 20 19.1 General .20 19.2 Leads and terminals 21 20 Inte
18、rnal Wiring 23 20.1 General .23 20.2 Methods 24 20.3 Short circuit protection 27 21 Separation of Circuits .27 22 Bonding for Grounding 28 23 Servicing and Adjustment 32 24 Electrical Components .32 25 Mounting of Electrical Components .33 26 Electrical Enclosures 33 26.1 General .33 26.2 Doors and
19、covers 37 27 Motors and Motor Overcurrent (Overload) Protection 38 28 Switches and Controllers 42 OCTOBER 1, 2008 OIL-FIRED WALL FURNACES - UL 730 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 29 Capacitors .43 30 Insulating Material 43 3
20、1 Spacings High Voltage Circuits .44 32 Spacings Low-Voltage Circuits 45 33 Accessibility of Uninsulated Live Parts, Film-Coated Wire, and Moving Parts .46 PERFORMANCE 34 General 52 35 Test Installation Built-In Style Furnaces 52 35.1 Enclosure .52 35.2 Venting .53 36 Test Installation Extended Styl
21、e Furnaces 54 36.1 Enclosure .54 36.2 Chimney connector .57 37 Instrumentation .61 37.1 Draft 61 37.2 Fuel input .61 37.3 Power measurement 61 37.4 Speed measurement .61 37.5 Temperature measurement 61 38 Initial Test Conditions .67 38.1 General .67 38.2 Furnace equipped with mechanical atomizing bu
22、rner .68 38.3 Furnace equipped with vaporizing burner 68 39 Combustion Test Burner and Furnace .69 40 Operation Tests 69 41 Limit Control Cutout Test 69 42 Continuity of Operation Test .70 43 Temperature Tests 70 43.1 General .70 44 Continuous Operation Temperatures 74 45 Blocked Register Test .75 4
23、6 Blocked Inlet Test .76 47 Fan Failure Test 77 48 Stalled Fan Motor Test 77 49 Seepage and Burnoff Test .78 50 Short Circuit Test .78 51 Dielectric Voltage Withstand Test .80 52 Flammability Test .81 MANUFACTURING AND PRODUCTION TESTS 53 General 82 MARKING 54 General 83 INSTRUCTIONS 55 Operating an
24、d Installation Instructions .85 AUGUST 29, 2003 OIL-FIRED WALL FURNACES - UL 730 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APPENDIX A Standards for ComponentsA1 AUGUST 29, 2003 OIL-FIRED WALL FURNACES - UL 730 5UL COPYRIGHTED MATERIAL
25、 NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL This page intentionally left blank. OCTOBER 1, 2008 OIL-FIRED WALL FURNACES - UL 730 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.
26、1 These requirements apply to oil-red, vented, fan-type wall furnaces. Requirements for the installation and use of oil-burning equipment are included in the Standard for the Installation of Oil-Burning Equipment, NFPA 31. 1.2 A product that contains features, characteristics, components, materials,
27、 or systems new or different from those covered by the requirements in this standard, and that involves a risk of re or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipa
28、ted by the intent of this standard. A product whose features, characteristics, components, materials, or systems conict with specic requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods e
29、mployed for development, revision, and implementation of this standard. 2 General 2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 3 Glossary 3.1 For the purpose of this standard the following denitions apply. 3.2 AIR SHUTTE
30、R An adjustable device for varying the size of the air inlet or inlets regulating primary or secondary air. 3.3 ANTIFLOODING DEVICE A primary safety control which causes the fuel ow to be shut off upon a rise in fuel level or upon receiving excess fuel, and which operates before the hazardous discha
31、rge of fuel can occur. 3.4 APPLIANCE FLUE The ue passages within the appliance. 3.5 AUTOMATICALLY LIGHTED APPLIANCE An appliance in which fuel to the main burner is normally turned on and ignited automatically. 3.6 BAFFLE An object placed in an appliance to direct the ow of air or ue gases. 3.7 BASE
32、 The main supporting frame or structure of the wall furnace, exclusive of legs. 3.8 BURNER, MECHANICAL ATOMIZING TYPE A power operated burner which prepares and delivers the oil and all or part of the air by mechanical process in controllable quantities for combustion. Some examples are air atomizin
33、g, high and low pressure atomizing, horizontal rotary, vertical rotary atomizing, and vertical rotary wall ame burners. 3.9 BURNER, MECHANICAL DRAFT TYPE A burner which includes a power driven fan, blower, or other mechanism as the principal means for supplying air for combustion. 3.10 BURNER, NATUR
34、AL DRAFT TYPE A burner which depends principally upon the natural draft created in the ue to induce into the burner the air required for combustion. AUGUST 29, 2003 OIL-FIRED WALL FURNACES - UL 730 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FR
35、OM UL 3.11 BURNER, VAPORIZING TYPE A burner consisting of an oil vaporizing bowl or other receptacle to which liquid fuel may be fed in controllable quantities; the heat of combustion being used to vaporize the fuel, with provision for admitting air and mixing it with the oil vapor in combustible pr
36、oportions. 3.12 CASING An enclosure forming the outside of the appliance, no parts of which are likely to be subjected to intense heat. 3.13 CENTRAL HEATING APPLIANCE A stationary indirect-red vented appliance comprising the following classes: boilers, central furnaces, oor furnaces, and wall furnac
37、es. A oor mounted unit heater to be connected to a duct system is categorized also as a central heating appliance. 3.14 CHIMNEY CONNECTOR The pipe which connects a solid or liquid fuel burning appliance to a chimney. 3.15 COMBUSTIBLE MATERIAL Combustible material as pertaining to materials adjacent
38、to or in contact with heat producing appliances, chimney connectors and vent connectors, refers to material made of or surfaced with wood, compressed paper, plant bers, or other material that will ignite and burn. Such material shall be considered as combustible even though ame-proofed, re-retardant
39、 treated, or plastered. 3.16 COMBUSTION The rapid oxidation of fuel accompanied by the production of heat, or heat and light. Complete combustion of a fuel is possible only in the presence of an adequate supply of oxygen. 3.17 COMBUSTION CHAMBER The portion of an appliance within which combustion oc
40、curs. 3.18 COMBUSTION (FLAME) SAFEGUARD A safety combustion control. 3.19 CONSTANT LEVEL VALVE A device for maintaining within a reservoir a constant level of fuel for delivery to the burner. 3.20 CONTROL A device intended to regulate the fuel, air, water, or electrical supply to the controlled equi
41、pment. It may be automatic, semiautomatic, or manual. 3.21 CONTROL, LIMIT An automatic safety control, responsive to changes in liquid level, pressure, or temperature, for limiting the operation of the controlled equipment. 3.22 CONTROL, SAFETY Automatic controls, including relays, switches, and oth
42、er auxiliary equipment used in conjunction therewith to form a safety control system, which are intended to prevent unsafe operation of the controlled equipment. 3.23 CONTROL, PRIMARY SAFETY The automatic safety control intended to prevent abnormal discharge of oil at the burner in case of ignition
43、failure or ame failure. 3.24 CONTROL, SAFETY COMBUSTION A primary safety control responsive directly to ame properties, sensing the presence of ame and causing fuel to be shut off in event of ame failure. 3.25 DAMPER A valve or plate for regulating draft or ow of ue gases. A damper is generally cons
44、idered as being located on the downstream side of the combustion chamber, usually in a ue passage of the appliance or in the chimney connector. 3.26 DAMPER, AUTOMATICALLY OPERATED A damper operated by an automatic control. AUGUST 29, 2003 OIL-FIRED WALL FURNACES - UL 730 8UL COPYRIGHTED MATERIAL NOT
45、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 3.27 DAMPER, MANUALLY OPERATED An adjustable damper manually set and locked in the desired position. 3.28 DRAFT REGULATOR A device which functions to maintain a desired draft in the appliance by automatically reducing th
46、e chimney draft to the desired value. 3.29 ELECTRICAL CIRCUITS: a) High-Voltage Circuit A circuit involving a potential of not more than 600 volts and having circuit characteristics in excess of those of a low-voltage circuit. b) Low-Voltage Circuit A circuit involving a potential of not more than 3
47、0 volts alternating current (42.4 peak or direct current) and supplied by a primary battery or by a standard Class 2 transformer or other suitable transforming device, or by a suitable combination of transformer and xed impedance having output characteristics in compliance with what is required for
48、a Class 2 transformer. A circuit derived from a source of supply classied as a high-voltage circuit, by connecting resistance in series with the supply circuit as a means of limiting the voltage and current, is not considered to be a low-voltage circuit. c) Safety Control Circuit A circuit involving
49、 one or more safety controls. 3.30 EXCESS AIR Air which passes through the combustion area and the appliance ues in excess of that which is theoretically required for complete combustion. 3.31 FLUE The general term for the conduit or passageway through which ue gases pass from the combustion chamber to the outer air. 3.32 FLUE COLLAR That portion of an appliance intended for attachment of the chimney or vent connector.
