1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 1046 Grease Filters for Exhaust Ducts STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT
2、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Grease Filters for Exhaust Ducts, UL 1046 Fourth Edition, Dated February 5, 2010 SUMMARY OF TOPICS This revision of ANSI/UL 1046 is being issued to update the title page to reect reaffirmation
3、of ANSI approval. Text that has been changed in any manner or impacted by ULs electronic publishing system is marked with a vertical line in the margin. The requirements are substantially in accordance with Proposal(s) on this subject dated January 27, 2017. All rights reserved. No part of this publ
4、ication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, 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
5、limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be 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
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8、stem. The following table lists the future effective dates with the corresponding reference. Future Effective Dates References August 6, 2012 Entire Standard APRIL 17, 2017 UL 1046 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APRIL 17,
9、 2017 UL 1046 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL FEBRUARY 5, 2010 (Title Page Reprinted: April 17, 2017) 1 UL 1046 Standard for Grease Filters for Exhaust Ducts First Edition December, 1974 Second Edition
10、 July, 1979 Third Edition March, 2000 Fourth Edition February 5, 2010 This ANSI/UL Standard for Safety consists of the Fourth edition including revisions through April 17, 2017. The most recent designation of ANSI/UL 1046 as a Reaffirmed American National Standard (ANS) occurred on March 22, 2017. A
11、NSI approval for a standard does not include the Cover Page, Transmittal Pages, and Title Page. Any other portions of this ANSI/UL standard that were not processed in accordance with ANSI/UL requirements are noted at the beginning of the impacted sections. Comments or proposals for revisions on any
12、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 https:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be alt
13、ered 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 2017 UNDERWRITERS LABORATORIES INC. ANSI/UL 1046-2012 (R2017)UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DIS
14、TRIBUTION WITHOUT PERMISSION FROM UL APRIL 17, 2017 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .4 2 Components .5 3 Units of Measurement .5 4
15、 Undated References 5 5 Glossary .6 CONSTRUCTION 6 General 6 PERFORMANCE 7 General 7 8 Grease Loading Test 7 8.1 General 7 8.2 Loading test equipment .8 8.3 Loading Test Method 13 9 Flame Exposure Test 14 9.1 General .14 9.2 Flame test equipment 14 9.3 Flame test method .17 MARKING 10 General 18 FEB
16、RUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 Products covered by these requirements are single-stage and multi-stage grease lters. These grease lters are i
17、ntended for installation and use in accordance with the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations, NFPA No. 96 and the International Mechanical Code (IMC). 1.1 effective August 6, 2012 1.2 Grease extraction devices integral to the exhaust hoods that use th
18、em and other lter devices designed to be used in only the specic manufacturers hoods are not covered by this standard but are tested under the Standard for Exhaust Hoods for Commercial Cooking Equipment, UL 710, or the Standard for Recirculating Systems, UL 710B, or the Outline for Ultraviolet Radia
19、tion Systems for Use in the Ventilation Control of Commercial Cooking Operations, Subject 710C. 1.2 effective August 6, 2012 1.3 The test methods described in this standard pertain to lters used in exhaust hoods for commercial cooking operations. The primary function of these devices and the capabil
20、ity of devices tested in this standard are to prevent ames from penetrating into the exhaust system beyond the hood collar. The terms grease and oil are used interchangeably in this standard 1.3 effective August 6, 2012 1.4 Filters are investigated to determine their abilities to: a) Limit the proje
21、ction of ames downstream when subjected to ames on the upstream face, after having been loaded with grease in a manner representative of cooking that produces a grease-rich exhaust, b) Drain any collected grease in such a manner that it does not fall back onto the cooking surface. 1.4 effective Augu
22、st 6, 2012 1.5 The standard does not measure capture efficiency or physical robustness of the grease lter device or other factors that do not directly affect user or re safety. Note: Capture efficiency of a kitchen hood lter can be measured using ASTM F2519 “Standard Test Method for Grease Particle
23、Capture Efficiency of Commercial Kitchen Filters and Extractors”. 1.5 effective August 6, 2012 FEBRUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2 Components 2.1 Except as indicated
24、in these requirements, a component of a product covered by this standard shall comply with the requirements for that component. 2.1 effective August 6, 2012 2.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the applicati
25、on of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 2.2 effective August 6, 2012 2.3 A component shall be used in accordance with its rating established for the intended conditions of use. 2.3 effective August 6, 2012 2.4 Specic compone
26、nts are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 2.4 effective August 6, 2012 3 U
27、nits of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 3.1 effective August 6, 2012 4 Undated References 4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be i
28、nterpreted as referring to the latest edition of that code or standard. 4.1 effective August 6, 2012 FEBRUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 5 Glossary 5.1 For the purpose
29、of this standard the following denitions apply. 5.1 effective August 6, 2012 5.2 FILTER-FACE AREA The overall height times the overall width. 5.2 effective August 6, 2012 5.3 INTEGRAL GREASE EXTRACTION DEVICES are integral to the exhaust hoods that use them and typically contain a series of horizont
30、al baffles that run the full length of the hood. The baffles are not removable for cleaning and a wash system is provided. Some hoods have doors that can be opened or removed to clean the grease extractors. 5.3 effective August 6, 2012 5.4 NON-COMBUSTIBLE A material that, in the form in which it is
31、used and under the conditions anticipated, will not ignite, burn, support combustion, or release ammable vapors when subjected to re or heat. 5.4 effective August 6, 2012 5.5 NORMAL HANDLING The insertion, removal and cleaning of the grease extraction device. 5.5 effective August 6, 2012 5.6 REMOVAB
32、LE GREASE EXTRACTORS (also called cartridge lters) typically have a single horizontal slot air inlet. The cartridge lters are arranged in a channel or bracket for easy insertion and removal for cleaning. Removable grease extractors may be evaluated under this standard or may be evaluated as part of
33、the hood construction under the Standard for Exhaust Hoods for Commercial Cooking Equipment, UL 710. 5.6 effective August 6, 2012 CONSTRUCTION 6 General 6.1 Any part of a grease lter that normally comes in contact with the users hands during normal handling shall be free from sharp edges or sharp pr
34、ojections. 6.1 effective August 6, 2012 6.2 Parts of grease lters that are exposed to cooking effluent shall be constructed of non-combustible materials. 6.2 effective August 6, 2012 FEBRUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRO
35、DUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PERFORMANCE 7 General 7.1 Grease lter constructions that are not symmetrical from front to rear (inlet to outlet), side to top, or bottom to top, shall be tested mounted as intended and again when mounted in reverse. Markings alone are not considere
36、d sufficient to prevent reverse installation. Exception No. 1: If handles are permanently attached to one face, no handholds are attached to the opposite face. Exception No. 2: Constructions that - by their shape or mounting attachment to the exhaust hood - limit the installation from front to rear
37、(inlet to outlet) to one direction. 7.1 effective August 6, 2012 7.2 Multi-stage grease lters or grease lter systems consisting of two or more discrete components shall be evaluated as follows: a) When installed as intended, the grease lter system shall be subjected to the Grease Loading Test, Secti
38、on 8 and the Flame Exposure Test, Section 9; and b) Each stage shall be subjected individually to the Grease Loading Test, Section 8 and the Flame Exposure Test, Section 9, if it can be installed without the adjacent stage(s) attached. 7.2 effective August 6, 2012 8 Grease Loading Test 8.1 General 8
39、.1.1 During the nal 15 minutes of the grease loading test, there shall be no evidence that any of the grease collected on the lter falls back onto the cooking surface. Exception: One drip per every 20 seconds can fall from mounting handles. 8.1.1 effective August 6, 2012 8.1.2 When drainage occurs,
40、drainage from the lters must be made evident by observing grease drained into the grease trough and/or grease cup. 8.1.2 effective August 6, 2012 8.1.3 A lter shall not warp, or otherwise be damaged to an extent that it can not be easily inserted into or removed from the hood. 8.1.3 effective August
41、 6, 2012 FEBRUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8.2 Loading test equipment 8.2.1 Test hood 8.2.1.1 A hood conforming to the requirements of Standard for Exhaust Hoods for
42、Commercial Cooking Equipment, UL 710 shall be used. 8.2.1.1 effective August 6, 2012 8.2.1.2 The hood shall have a collar connecting to a square or circular exhaust duct with a cross sectional area of 256 square inches (1652 square cm). The duct shall be centered on the length of the hood and shall
43、be located 0 to 2 inches (0 - 51 mm) from the back wall of the exhaust hood plenum. 8.2.1.2 effective August 6, 2012 8.2.1.3 The exhaust system shall be provided with a means to vary the air ow volume through the grease removal devices. Any device located in the exhaust duct system shall be located
44、a minimum of 48 inches (122 cm) from the duct connection to the hood. 8.2.1.3 effective August 6, 2012 8.2.1.4 The exhaust hood shall be a minimum of 40 inches (101.6 cm) long and a maximum of 48 inches (122 cm) long. 8.2.1.4 effective August 6, 2012 8.2.1.5 The exhaust plenum shall be a minimum of
45、22 inches (56 cm) deep and a maximum of 24 inches (61 cm) deep. 8.2.1.5 effective August 6, 2012 8.2.1.6 The hood shall be provided with a trough(s) and a collector cup capable of holding all drainage from the lters collected during the entire test period. 8.2.1.6 effective August 6, 2012 8.2.2 Moun
46、ting of lters 8.2.2.1 Filters shall be as close in size as available to 20 inches (50.8 cm) high and 20 inches (50.8 cm) wide. They shall be mounted 45 +5/-0 degrees from the horizontal. Two lters shall be tested side-by-side. See Figure 8.1. 8.2.2.1 effective August 6, 2012 This is generated text f
47、or gtxt. FEBRUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 8UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Figure 8.1 Test hood and apparatus Figure 8.1 effective August 6, 2012 Conversion Factors Inch (mm) 16 (406) 24 (610) 35 (8
48、89) 36 (914) 42 (1067) 48 (1219) 50 (1270) NOTES: 1. Hood shall comply with UL 710 and NFPA 96. 2. Oil and water delivery system must be capable of feed rates specied in 8.2.3.3. 3. An adjustable damper or fan speed control must be used. If a damper is installed, it must be at least 48” above the jo
49、int between the hood and duct. FEBRUARY 5, 2010 GREASE FILTERS FOR EXHAUST DUCTS - UL 1046 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 8.2.2.2 Grease lters smaller than 20 inches (50.8 cm) in height or width may be used if the construction will not include 20 inch (50.8 cm) lters. Adapter(s) shall be provided to close the 20 by 40 inch (50.8 by 101.6 cm) opening in the hood. The adapters shall be located at the top or
