{"id":325,"date":"2026-07-18T22:37:36","date_gmt":"2026-07-18T22:37:36","guid":{"rendered":"https:\/\/oayachtservice.com\/knowledgebase\/?post_type=docs&#038;p=325"},"modified":"2026-07-19T14:44:32","modified_gmt":"2026-07-19T14:44:32","password":"","slug":"spot-zero-xtcii-flow-chart-parts-diagram","status":"publish","type":"docs","link":"https:\/\/oayachtservice.com\/knowledgebase\/?docs=spot-zero-xtcii-flow-chart-parts-diagram","title":{"rendered":"Spot Zero\u00ae XTCII Flow Chart &amp; Parts Diagram"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This section provides an overview of the <strong>Spot Zero\u00ae XTCII Watermaker<\/strong> system flow chart and major component layout. The flow diagram is intended to help owners, captains, and service technicians understand how seawater travels through the system, how fresh water is produced, and how each component interacts during normal operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The XTCII is a <strong>fully automatic reverse osmosis (RO) watermaker<\/strong> that continuously monitors system pressure, flow, salinity (TDS), and operating conditions. Using an electronically controlled pressure regulation system, the unit automatically optimizes production based on seawater temperature and salinity while maintaining maximum membrane efficiency. Should the electronic controls become unavailable, the XTCII also incorporates a mechanical override, allowing continued operation until normal controls are restored.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The accompanying flow chart identifies the major components in the order water passes through the system, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seawater intake and seacock<\/li>\n\n\n\n<li>Sea strainer<\/li>\n\n\n\n<li>Booster pump<\/li>\n\n\n\n<li>Commercial pre-filter assembly<\/li>\n\n\n\n<li>High-pressure pump<\/li>\n\n\n\n<li>Reverse osmosis membrane vessels<\/li>\n\n\n\n<li>Product water diversion valve<\/li>\n\n\n\n<li>Product water flow meter<\/li>\n\n\n\n<li>TDS (Total Dissolved Solids) sensor<\/li>\n\n\n\n<li>Freshwater flush assembly<\/li>\n\n\n\n<li>Product water outlet to the vessel&#8217;s freshwater tank<\/li>\n\n\n\n<li>Brine discharge overboard<\/li>\n\n\n\n<li>Electronic control system, sensors, and touchscreen display<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Following the flow chart, the parts diagram provides an exploded view of the primary assemblies, identifying each serviceable component with its corresponding part number. These diagrams are valuable during routine maintenance, troubleshooting, filter replacement, membrane servicing, and parts identification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Understanding the normal flow path makes diagnosing system issues significantly easier. By following the water from intake to product discharge, technicians can quickly isolate restrictions, pressure losses, sensor faults, valve malfunctions, or membrane performance issues without unnecessary disassembly.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/oayachtservice.com\/KBMedia\/spotzeroparts.png\" alt=\"\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>This section provides an overview of the Spot Zero\u00ae XTCII Watermaker system flow chart and major component layout. The flow diagram is intended to help owners, captains, and service technicians understand how seawater travels through the system, how fresh water is produced, and how each component interacts during normal operation. The XTCII is a fully &#8230; <a title=\"Spot Zero\u00ae XTCII Flow Chart &amp; Parts Diagram\" class=\"read-more\" href=\"https:\/\/oayachtservice.com\/knowledgebase\/?docs=spot-zero-xtcii-flow-chart-parts-diagram\" aria-label=\"Read more about Spot Zero\u00ae XTCII Flow Chart &amp; Parts Diagram\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[5],"doc_tag":[],"class_list":["post-325","docs","type-docs","status-publish","hentry","doc_category-plumbing"],"year_month":"2026-07","word_count":260,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admin","author_nicename":"oaadmin","author_url":"https:\/\/oayachtservice.com\/knowledgebase\/?author=1"},"doc_category_info":[{"term_name":"Plumbing","term_url":"https:\/\/oayachtservice.com\/knowledgebase\/?doc_category=plumbing"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=325"}],"version-history":[{"count":1,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/325\/revisions"}],"predecessor-version":[{"id":326,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/325\/revisions\/326"}],"wp:attachment":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=325"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=325"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}