{"id":13006,"date":"2023-03-02T14:06:55","date_gmt":"2023-03-02T14:06:55","guid":{"rendered":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-2-installation-manual-90488-3-copy\/cooling-installation\/precautions\/"},"modified":"2025-06-17T17:10:57","modified_gmt":"2025-06-17T17:10:57","slug":"precautions","status":"publish","type":"page","link":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-2-installation-manual\/cooling-installation\/precautions\/","title":{"rendered":"4.2  Installation Considerations"},"content":{"rendered":"\n<ol style=\"list-style-type:1\" class=\"wp-block-list\">\n<li>The installer is responsible for supplying a dedicated positive-displacement seawater pump (or electric isolation valve and centrifugal pump) and associated plumbing. An optional seawater pump can be purchased through <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span>, P\/N 30331.<\/li>\n\n\n\n<li>Unintended seawater flow from the seawater pick-up during the vessel&#8217;s underway operation is <strong>unacceptable<\/strong> and <strong>may cause stress to internal components<\/strong>. Unintended flow should be mitigated through pump selection, using a diaphragm-style pump or an inlet control valve. Continuous cooling flow from shared through-hull plumbing, a centralized chiller, or a cooling system is unacceptable for on-demand <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> models.<\/li>\n\n\n\n<li>Seawater connections on the <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> heat exchanger mate with \u00be in. (19 mm) hose.<\/li>\n\n\n\n<li>The Electrical Installation Section outlines that the seawater pump is powered via the &#8220;SW Pump 12 VDC Out&#8221; connection on the <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> 2 wire harness.<\/li>\n\n\n\n<li>The seawater pump operates on 12 VDC with a max overcurrent protection rating of 15 A.<\/li>\n\n\n\n<li>A dedicated through-hull fitting should be installed for each <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> to ensure sufficient seawater flow to that unit onboard the vessel.<\/li>\n\n\n\n<li>It is recommended that the seawater pump is located below the waterline, as close to the vessel&#8217;s baseline as practically possible, to maintain positive inlet pressure on the pump in all operating conditions.<\/li>\n\n\n\n<li>A self-priming seawater pump may be required to maintain water flow in all underway conditions. Cavitation can occur at the seawater inlet and potentially cause an air-lock condition restricting seawater flow to the heat exchanger.<\/li>\n\n\n\n<li>The maximum allowed seawater pressure in the heat exchanger is <strong>20 psi <\/strong>(<strong>1.4 bar<\/strong>).<\/li>\n\n\n\n<li><strong>The seawater flow requirement through the heat exchanger is 2 GPM (7.6 LPM) minimum and 6 GPM (22.7 LPM) maximum when on-demand cooling is required.<\/strong> When sizing the seawater pump, the installer should factor in losses for raw water plumbing. In addition to initial operation at the dock, new <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> installations should be checked to be within the flow requirements while the vessel is at speed. Flows higher than 6 GPM (22.7 LPM) could affect the heat exchanger&#8217;s life.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":7,"featured_media":0,"parent":13002,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"manual":[279],"model":[],"document_type":[],"hidden":[],"class_list":["post-13006","page","type-page","status-publish","hentry","manual-seakeeper-2-installation-manual"],"acf":[],"_links":{"self":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/comments?post=13006"}],"version-history":[{"count":3,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13006\/revisions"}],"predecessor-version":[{"id":20160,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13006\/revisions\/20160"}],"up":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13002"}],"wp:attachment":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/media?parent=13006"}],"wp:term":[{"taxonomy":"manual","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/manual?post=13006"},{"taxonomy":"model","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/model?post=13006"},{"taxonomy":"document_type","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/document_type?post=13006"},{"taxonomy":"hidden","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/hidden?post=13006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}