{"id":20872,"date":"2025-11-13T13:45:54","date_gmt":"2025-11-13T13:45:54","guid":{"rendered":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-18-installation-manual-90672-2-s-n-18-234-2475-to-current-copy\/2-0-electrical-installation\/2-1-electrical-equipment-power-connections\/"},"modified":"2026-01-06T18:14:26","modified_gmt":"2026-01-06T18:14:26","slug":"2-1-electrical-equipment-power-connections","status":"publish","type":"page","link":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-18-installation-manual-90672-3-s-n-18-254-2135-to-current\/2-0-electrical-installation\/2-1-electrical-equipment-power-connections\/","title":{"rendered":"3.2 Electrical Equipment Power Connections"},"content":{"rendered":"\n

230 VAC Power Source Requirements<\/h3>\n\n\n\n
    \n
  1. 230 VAC (nominal), 1 Phase, 50\/60 Hz, 30 A<\/li>\n\n\n\n
  2. For installations of more than one Seakeeper<\/span><\/span>, a separate circuit breaker must be used for each Seakeeper<\/span><\/span> Motor Drive Box.<\/li>\n<\/ol>\n\n\n\n

    Drive Box AC Power Input Connection Instructions<\/h3>\n\n\n\n
      \n
    1. AC Power Input Cable: 3 x 10 AWG (3 x 6 mm2<\/sup> CSA), 10 ft9 (3 m) length, Seakeeper<\/span><\/span> supplied pre-installed.
      \n
        \n
      1. Locate AC power input cable on the Drive Box at the outboard cable gland.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n
        \n
        \"\"
        Figure 28 <\/em>– <\/strong>Drive Box AC Power Input & Output Cable Glands<\/em><\/figcaption><\/figure>\n<\/div>\n\n
        \n
        \"\"
        Figure 29<\/em> – <\/strong>AC Power Input Cable wire <\/em>
        connections at AC Power Distribution Panel<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

        2. Connect 230 VAC wires in AC Power Input Cable to a 30 A, double-pole Circuit Breaker at an AC
        power distribution panel according to Figure 29 above.<\/p>\n\n\n\n

        \n\n\n\n

        24 VDC Power Source Requirements<\/h2>\n\n\n\n
          \n
        1. One 24 VDC, 10 A (Customer supplied) for Seakeeper<\/span><\/span> Control Power, AND<\/strong><\/li>\n\n\n\n
        2. One 24 VDC, 10 A (20 A max)(Customer supplied) for DC Seawater Pump.<\/li>\n\n\n\n
        3. A separate breaker should be used for each Seakeeper<\/span><\/span>.<\/li>\n<\/ol>\n\n\n\n
          \n\n\n\n

          DC Power Connection Instructions<\/h2>\n\n\n\n
          \n
          \n
          \"\"<\/figure>\n<\/div><\/div>\n\n\n\n
          \n

          <\/p>\n\n\n\n

          Reversing polarity on the DC power input to the Seakeeper<\/span><\/span><\/span> can result in damaging the electronics in the control system.<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n

            \n
          1. 24 VDC, 10 A, 2 x 12 AWG (3 x 4.0 mm2<\/sup> CSA) customer supplied.
            \n
              \n
            1. Install Seakeeper<\/span><\/span><\/span><\/span> provided DC Power Input Cable, P\/N 20248 (as shown in Drawing No. 90679<\/strong>).
              \n
                \n
              1. Route 24 VDC Power Cable to DC Power Distribution Panel.<\/li>\n\n\n\n
              2. Terminate positive (B+, Red ) conductor to +24 VDC. <\/li>\n\n\n\n
              3. Terminate negative (B-, Black) conductor directly to battery negative terminal.<\/li>\n<\/ol>\n<\/li>\n\n\n\n
              4. Before connecting cable to Seakeeper<\/span><\/span><\/span><\/span>, check for proper voltage and polarity with a DC multimeter using Figure 30 below.<\/li>\n\n\n\n
              5. Connect 24 VDC Input Cable to 24 VDC input receptacle on Seakeeper<\/span><\/span><\/span><\/span>.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n\n\n
                \n
                \"\"
                Figure 30 \u2013 <\/strong>DC Power Input Connector Contact Assignments (front)<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n
                \n\n\n\n

                DC Seawater Pump 24 VDC Power Input Connection Instructions<\/h2>\n\n\n\n
                \n
                \n
                \"\"<\/figure>\n<\/div><\/div>\n\n\n\n
                \n

                <\/p>\n\n\n\n

                Connecting the DC Seawater pump in any other manner than recommended by Seakeeper<\/span><\/span><\/span> may cause internal failure.<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n

                  \n
                1. Install Seawater Pump Input Cable (P\/N 20454) to Seakeeper<\/span><\/span> 18 \u201cSW Pump DC In\u201d (as shown in Drawing No. 90679<\/strong>) with overcurrent protection corresponding to seawater pump selected.<\/li>\n\n\n\n
                2. Connect the 14 AWG positive conductor (Red) through dedicated overcurrent protection device (customer supplied), maximum of 20 A, to dedicated battery isolation switch.<\/li>\n\n\n\n
                3. Connect the 14 AWG negative conductor (Black) directly to battery negative terminal or DC main negative bus bar.<\/li>\n\n\n\n
                4. Before connecting Seawater Pump Input Cable to Seakeeper<\/span><\/span>, check for proper voltage and polarity with a DC multimeter using Figure 31 below.<\/li>\n<\/ol>\n\n\n
                  \n
                  \"\"
                  Figure 31<\/strong> – 24 VDC Seawater Pump Power Input<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n
                    \n
                  1. Connect Seawater Pump Input Cable to Seawater Pump 24 VDC In connector on the Seakeeper<\/span><\/span>, DEUTSCH DT04-2P connector.<\/li>\n<\/ol>\n\n\n\n
                    \n\n\n\n

                    DC Seawater Pump 24 VDC Power Output Connection Instructions<\/h2>\n\n\n\n
                      \n
                    1. Connect Seawater Pump Output Cable (P\/N 20455) to the Seakeeper<\/span><\/span> 18 wire harness connector labelled Seawater Pump Out<\/em>.
                      \n
                        \n
                      1. Seawater Pump Output Cable is a 2 x 14 AWG cable, 16 ft (5 m) length with a female Deutsch plug.<\/li>\n\n\n\n
                      2. Install Y-Branch SW Pump Output & Valve cable (P\/N 20658) to end of “SW Pump 24VDC Out” cable as shown in top image of Figure 3324.<\/li>\n<\/ol>\n<\/li>\n\n\n\n
                      3. Pumps rated at 24 VDC, 10 A maximum, customer-supplied, must be configured with a Deutsch DT series, 2-pin receptacle to mate with the connector shown in Figure 32.<\/li>\n<\/ol>\n\n\n
                        \n
                        \"\"
                        Figure 32 <\/em><\/strong>– Seawater Pump Deutsch Connector<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n
                          \n
                        1. The Seawater Pump Output Cable must be routed and installed in the vessel to the Y-Branch SW Pump Output & Valve Cable (P\/N 20658) (socket end).<\/li>\n\n\n\n
                        2. Connect Y-branch cable plug end (socket end) to the customer-supplied receptacle end of the DC seawater pump cable. The recommended wiring is shown in Figure 33.<\/li>\n\n\n\n
                        3. Attach DTM-2S (socket end) into the male Deutsch DTM-2P connector of the 1 A inline fuse cable (P\/N 20794). Connect the female connector of the inline fuse cable into the connector of the electric ball valve.<\/li>\n\n\n\n
                        4. Contact Seakeeper<\/span><\/span> if desired to install customer-supplied relay on Seawater Pump Output Cable to power seawater pump and valve.<\/li>\n<\/ol>\n\n\n
                          \n
                          \"\"
                          Figure 33<\/em><\/strong> – Seawater Pump Output Cable – Seawater Pump<\/em><\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"

                          230 VAC Power Source Requirements Drive Box AC Power Input Connection Instructions 2. Connect 230 VAC wires in AC Power Input Cable to a 30 A, double-pole Circuit Breaker at an AC power distribution panel according to Figure 29 above. 24 VDC Power Source Requirements DC Power Connection Instructions Reversing polarity on the DC power […]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":20868,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"manual":[369],"model":[],"document_type":[],"hidden":[],"class_list":["post-20872","page","type-page","status-publish","hentry","manual-seakeeper-18-installation-manual-90672-3-s-n-18-254-2135-to-current"],"acf":[],"_links":{"self":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/20872","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\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/comments?post=20872"}],"version-history":[{"count":4,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/20872\/revisions"}],"predecessor-version":[{"id":21223,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/20872\/revisions\/21223"}],"up":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/20868"}],"wp:attachment":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/media?parent=20872"}],"wp:term":[{"taxonomy":"manual","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/manual?post=20872"},{"taxonomy":"model","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/model?post=20872"},{"taxonomy":"document_type","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/document_type?post=20872"},{"taxonomy":"hidden","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/hidden?post=20872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}