{"id":2991,"date":"2022-08-19T09:19:08","date_gmt":"2022-08-19T09:19:08","guid":{"rendered":"https:\/\/p69.com.vn\/?p=2991"},"modified":"2022-08-29T16:19:16","modified_gmt":"2022-08-29T16:19:16","slug":"lap-dat-coi-den-bao-chay-ket-hop","status":"publish","type":"post","link":"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/","title":{"rendered":"Instructions for installing the correct combination of horns and fire alarm lights from A &#8211; Z"},"content":{"rendered":"<p><strong>Installing a combination fire alarm siren<\/strong> is chosen by many contractors for their fire alarm system installation needs. It is used as warning device for fire alarm system. Extended use voltage limits the effect of line voltage drop. It is possible to customize the whistle sound and flash intensity to suit the required application. The light horn kit comes with a wall mount and a plastic cover to cover the wiring, making the product more aesthetically pleasing.<\/p>\n<p>Below are instructions for installation of horns and fire alarm lights in accordance with standards from A &#8211; Z of <a href=\"https:\/\/p69.com.vn\/\" target=\"_blank\" rel=\"noopener\"><strong>Company P69<\/strong><\/a>. Please refer!<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_45 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69d6881a13787\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69d6881a13787\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#Features_characteristics_of_horn_combined_fire_alarm\" title=\"Features characteristics of horn, combined fire alarm\">Features characteristics of horn, combined fire alarm<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#With_outstanding_uses_and_features_a_combination_of_horn_and_fire_alarm_lights\" title=\"With outstanding uses and features, a combination of horn and fire alarm lights\">With outstanding uses and features, a combination of horn and fire alarm lights<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#Instructions_for_installing_the_correct_combination_of_horn_and_fire_alarm_lights\" title=\"Instructions for installing the correct combination of horn and fire alarm lights\">Instructions for installing the correct combination of horn and fire alarm lights<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#Note_the_installation_of_horns_combined_fire_lights\" title=\"Note the installation of horns, combined fire lights\">Note the installation of horns, combined fire lights<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#Install_and_separate_2_separate_parts_for_horn_in_HEC3\" title=\"Install and separate 2 separate parts for horn in HEC3\">Install and separate 2 separate parts for horn in HEC3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#Description_overview_when_using\" title=\"Description overview when using\">Description overview when using<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/p69.com.vn\/en\/lap-dat-coi-den-bao-chay-ket-hop\/#Contact_information_P69_-_M_E_Contractor\" title=\"Contact information P69 \u2013 M&amp;E Contractor\">Contact information P69 \u2013 M&amp;E Contractor<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Features_characteristics_of_horn_combined_fire_alarm\"><\/span>Features characteristics of horn, combined fire alarm<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hochiki WHEC24-75WR waterproof fire alarm flash light is one of the popular fire alarm and bell products, popular and widely used by many consumers.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_3002\" aria-describedby=\"caption-attachment-3002\" style=\"width: 707px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3002 size-full\" title=\"T\u00ednh n\u0103ng \u0111\u1eb7c \u0111i\u1ec3m c\u00f2i, \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1.png\" alt=\"T\u00ednh n\u0103ng \u0111\u1eb7c \u0111i\u1ec3m c\u00f2i, \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p\" width=\"707\" height=\"707\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1.png 707w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1-300x300.png 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1-150x150.png 150w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1-600x600.png 600w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1-100x100.png 100w\" sizes=\"auto, (max-width: 707px) 100vw, 707px\" \/><figcaption id=\"caption-attachment-3002\" class=\"wp-caption-text\"><em>Features characteristics of horn, combined fire alarm<\/em><\/figcaption><\/figure>\n<p>Fire alarm products are often installed in public corridors, exits of emergency doors.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"With_outstanding_uses_and_features_a_combination_of_horn_and_fire_alarm_lights\"><\/span>With outstanding uses and features, a combination of horn and fire alarm lights<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Good alarm ability<\/p>\n<p>&#8211; High water resistance<\/p>\n<p>&#8211; Anti-flow plastic material<\/p>\n<p>&#8211; Durable<\/p>\n<p>&#8211; Can be used many times<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Instructions_for_installing_the_correct_combination_of_horn_and_fire_alarm_lights\"><\/span>Instructions for installing the correct combination of horn and fire alarm lights<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Below will be the instructions for installing the correct combination of horns and fire alarm lights<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Note_the_installation_of_horns_combined_fire_lights\"><\/span>Note the installation of horns, combined fire lights<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>You should be aware that HE3 Series devices have UL 464 and UL 1971 codes. They are listed for use with fire protection systems and are warranted for three years from date of purchase. Be a smart shopper.<\/p>\n<p>The HEC3 series is sold with a standard 4&#8243; metal mounting plate with integrated Super-Slide&#8221;. Allows the installer to easily test and monitor. The product also features a locking mechanism that secures the product to the holder without showing any screws. The combination of fire alarm and buzzer provides reliable visual and audible alarms and minimizes false alarms.<\/p>\n<p>HEC3 also has a Checkmate feature. Instant voltage verification allows the installer to check the voltage drop and match the blueprint.<\/p>\n<figure id=\"attachment_2999\" aria-describedby=\"caption-attachment-2999\" style=\"width: 500px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2999 size-full\" title=\"L\u01b0u \u00fd l\u1eafp \u0111\u1eb7t c\u00f2i, \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-6.jpg\" alt=\"L\u01b0u \u00fd l\u1eafp \u0111\u1eb7t c\u00f2i, \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p\" width=\"500\" height=\"375\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-6.jpg 500w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-6-300x225.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-2999\" class=\"wp-caption-text\"><em>Note the installation of horns, combined fire lights<\/em><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Install_and_separate_2_separate_parts_for_horn_in_HEC3\"><\/span>Install and separate 2 separate parts for horn in HEC3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Wiring diagram<\/strong><\/p>\n<p>The light horn uses a common source (2 wires) and the light horn uses a separate source (4 wires).<\/p>\n<figure id=\"attachment_2996\" aria-describedby=\"caption-attachment-2996\" style=\"width: 751px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2996 size-full\" title=\"S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-1.jpg\" alt=\"S\u01a1 \u0111\u1ed3 \u0111\u1ea5u d\u00e2y\" width=\"751\" height=\"171\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-1.jpg 751w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-1-300x68.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-1-600x137.jpg 600w\" sizes=\"auto, (max-width: 751px) 100vw, 751px\" \/><figcaption id=\"caption-attachment-2996\" class=\"wp-caption-text\"><em>Wiring diagram<\/em><\/figcaption><\/figure>\n<p><strong>Switch position to adjust the appropriate buzzer mode<\/strong><\/p>\n<p>The <strong>HEC3<\/strong>\u00a0 provides continuous or synchronous timed tones in 2400Hz and mechanical tones, alarms and hisses. All tones are easy for professionals to change in the field using switches. The HE3 series has a minimum operating current and has a minimum flash rate of 1Hz regardless of input voltage.<\/p>\n<p>\u2013 Set \u00a0SWITCH POSITIONS 1 and \u00a02 to the \u00a0OFF POSITION position to isolate ( ISOLATED) 2 separate input sources for \u00a0horn and flash\u00a0(HORN AND STROBE ).<\/p>\n<p>\u2013 If you want to use the same power supply for<strong> fire alarm siren\u00a0<\/strong>and lights (HORN AND STROBE ), turn SWITCH POSITIONS 1 and 2 to the ON position.<\/p>\n<p>\u2013 Turn SWITCH POSITION 6 ON = HIGH DBA (Intensify sound level\u00a0to \u201cdB\u201d).<\/p>\n<p>\u2013 Set \u00a0SWITCH POSITION 6 OFF = LOW DBA (Decrease the sound intensity\u00a0to \u201cdB\u201d).<\/p>\n<p>\u2013 Use 4 wires in which 2 wires are used to supply power to the buzzer and 2 wires are used to supply power to the flashing lights (turn switch 1 and \u00a02 to the \u00a0OFF position on \u00a0HEC24, HEC3-24, \u00a0HEC3-12, WHEC24).<\/p>\n<figure id=\"attachment_2997\" aria-describedby=\"caption-attachment-2997\" style=\"width: 454px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2997 size-full\" title=\"V\u1ecb tr\u00ed switch \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u1ebf \u0111\u1ed9 c\u00f2i \u0111\u00e8n th\u00edch h\u1ee3p\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-2-454x400-1.jpg\" alt=\"V\u1ecb tr\u00ed switch \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u1ebf \u0111\u1ed9 c\u00f2i \u0111\u00e8n th\u00edch h\u1ee3p\" width=\"454\" height=\"400\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-2-454x400-1.jpg 454w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-2-454x400-1-300x264.jpg 300w\" sizes=\"auto, (max-width: 454px) 100vw, 454px\" \/><figcaption id=\"caption-attachment-2997\" class=\"wp-caption-text\"><em>Switch position to adjust the appropriate buzzer mode<\/em><\/figcaption><\/figure>\n<p><strong>NOTE:<\/strong> When using common power for both buzzer and flash light, input and output must be connected to S+; S- correct polarity avoids incorrect connection which can lead to equipment damage.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Description_overview_when_using\"><\/span>Description overview when using<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Hochiki fire alarm siren of normal system<\/strong> (Code: HEC3-24WR) is designed and used as a warning device for fire alarm system. Extended use voltage limits the effect of line voltage drop.<\/p>\n<figure id=\"attachment_2998\" aria-describedby=\"caption-attachment-2998\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2998 size-full\" title=\"T\u1ed5ng quan m\u00f4 t\u1ea3 khi s\u1eed d\u1ee5ng\" src=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-3-800x321-1.jpg\" alt=\"T\u1ed5ng quan m\u00f4 t\u1ea3 khi s\u1eed d\u1ee5ng\" width=\"800\" height=\"321\" srcset=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-3-800x321-1.jpg 800w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-3-800x321-1-300x120.jpg 300w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-3-800x321-1-768x308.jpg 768w, https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/huong-dan-cach-lap-dat-va-tach-2-bo-phan-rieng-biet-coi-den-trong-hec3-3-800x321-1-600x241.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2998\" class=\"wp-caption-text\"><em>Description overview when using<\/em><\/figcaption><\/figure>\n<p>The whistle sound and intensity can be adjusted to suit your requirements.<\/p>\n<p>Low cost\u00a0<strong>fire alarm installation\u00a0<\/strong>and operation.<\/p>\n<p>Normal Hochiki fire alarm siren (Code: HEC3-24WR) is used\u00a0check and monitor suitable for\u00a0home, office, factory, hotel,&#8230;\u00a0designed with base g<\/p>\n<p>Contact us today for a free consultation and answer at:<\/p>\n<div dir=\"auto\">\n<h2><span class=\"ez-toc-section\" id=\"Contact_information_P69_-_M_E_Contractor\"><\/span><span id=\"Thong_tin_lien_he_P69_-_Nha_Thau_Co_Dien_M_E\" class=\"ez-toc-section\"><\/span>Contact information P69 \u2013 M&amp;E Contractor<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Address: No. 6\/165C Xuan Thuy, Cau Giay District, Hanoi<\/p>\n<p>Website: https:\/\/p69.com.vn\/<\/p>\n<p>Hotline : 02437688156 \u2013 0965937799<\/p>\n<p>Email: kd@cokhip69.com.vn<\/p>\n<p>Facebook:\u00a0<a href=\"https:\/\/www.facebook.com\/p69nhathaucodien\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/www.facebook.com\/p69nhathaucodien<\/a><\/p>\n<p>LinkedIn:\u00a0<a href=\"https:\/\/www.linkedin.com\/in\/congtyp69\/\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/www.linkedin.com\/in\/congtyp69\/<\/a><\/p>\n<p>Youtube :\u00a0<a href=\"https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA\" target=\"_blank\" rel=\"nofollow noopener\">https:\/\/www.youtube.com\/channel\/UCOUwCnE5iGj8iqe_ZIUM7oA<\/a><\/p>\n<\/div>\n<p><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2991&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;4&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (4 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;width&quot;:&quot;142.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 142.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            5\/5 - (4 votes)    <\/div>\n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Installing a combination fire alarm siren is chosen by many contractors for their fire alarm system installation needs. It is used as warning device for fire alarm system. Extended use voltage limits the effect of line voltage drop. It is possible to customize the whistle sound and flash intensity to suit the required application. The [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3002,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-2991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.1.1 (Yoast SEO v20.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u00f2i, \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p \u0111\u00fang chu\u1ea9n t\u1eeb A - Z<\/title>\n<meta name=\"description\" content=\"L\u1eafp \u0111\u1eb7t c\u00f2i \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 th\u1ea7u l\u1ef1a ch\u1ecdn cho nhu c\u1ea7u l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y c\u1ee7a m\u00ecnh...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/p69.com.vn\/lap-dat-coi-den-bao-chay-ket-hop\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[:vi]H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u00f2i, \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p \u0111\u00fang chu\u1ea9n t\u1eeb A - Z[:en]Instructions for installing the correct combination of horns and fire alarm lights from A - Z[:]\" \/>\n<meta property=\"og:description\" content=\"L\u1eafp \u0111\u1eb7t c\u00f2i \u0111\u00e8n b\u00e1o ch\u00e1y k\u1ebft h\u1ee3p \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 th\u1ea7u l\u1ef1a ch\u1ecdn cho nhu c\u1ea7u l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y c\u1ee7a m\u00ecnh...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/p69.com.vn\/lap-dat-coi-den-bao-chay-ket-hop\/\" \/>\n<meta property=\"og:site_name\" content=\"P69\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-19T09:19:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-29T16:19:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/p69.com.vn\/wp-content\/uploads\/2022\/07\/AS4000-10-707x707-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"707\" \/>\n\t<meta property=\"og:image:height\" content=\"707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"adminhdec\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminhdec\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/p69.com.vn\/lap-dat-coi-den-bao-chay-ket-hop\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/p69.com.vn\/lap-dat-coi-den-bao-chay-ket-hop\/\"},\"author\":{\"name\":\"adminhdec\",\"@id\":\"https:\/\/p69.com.vn\/#\/schema\/person\/e7444874c2d9f2d90eb8fbc63e75243f\"},\"headline\":\"Instructions for installing the correct combination of horns and fire alarm lights from A &#8211; 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