{"id":13263,"date":"2026-08-31T18:53:20","date_gmt":"2026-08-31T15:53:20","guid":{"rendered":"https:\/\/msstore.gr\/?p=13263"},"modified":"2026-08-31T20:02:57","modified_gmt":"2026-08-31T17:02:57","slug":"lathi-ydravliko-kykloma-antlias-thermotitas","status":"publish","type":"post","link":"https:\/\/msstore.gr\/en\/lathi-ydravliko-kykloma-antlias-thermotitas\/","title":{"rendered":"10 Mistakes in a Heat Pump's Hydraulic Circuit That Increase Energy Consumption and Cause Malfunctions"},"content":{"rendered":"\n<div style=\"max-width:860px;margin:0 auto;color:#1f2937;font-size:17px;line-height:1.78;\">\n<p style=\"font-size:20px;line-height:1.65;color:#111827;\">\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03b3\u03bf\u03c1\u03ac\u03c3\u03b5\u03c4\u03b5 \u03bc\u03af\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 <strong>\u03b1\u03bd\u03c4\u03bb\u03af\u03b5\u03c2 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/strong> \u03c4\u03b7\u03c2 \u03b1\u03b3\u03bf\u03c1\u03ac\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03ba\u03b1\u03ba\u03ae \u03ba\u03b1\u03c4\u03b1\u03bd\u03ac\u03bb\u03c9\u03c3\u03b7 \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03c4\u03bf \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03ba\u03b5 \u03c3\u03b1\u03bd \u03c0\u03b1\u03bb\u03b9\u03cc \u03bb\u03b5\u03b2\u03b7\u03c4\u03bf\u03c3\u03c4\u03ac\u03c3\u03b9\u03bf. \u03a4\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03bb\u03ac\u03b8\u03b7 \u03b4\u03b5\u03bd \u03c6\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03ce\u03c4\u03b7 \u03b7\u03bc\u03ad\u03c1\u03b1 \u2014 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 cycling, alarms, \u03b8\u03cc\u03c1\u03c5\u03b2\u03bf\u03c2, \u03c5\u03c8\u03b7\u03bb\u03ae \u03c0\u03c1\u03bf\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae \u03ba\u03b1\u03b9 \u03bb\u03bf\u03b3\u03b1\u03c1\u03b9\u03b1\u03c3\u03bc\u03bf\u03af.<\/p>\n<div style=\"display:flex;gap:14px;align-items:flex-start;padding:20px 22px;margin:28px 0;border:1px solid #dbe7f5;border-radius:14px;background:#f3f8ff;\"><div style=\"color:#0b63ce;flex:0 0 auto;margin-top:2px;\"><svg aria-hidden=\"true\" width=\"28\" height=\"28\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12 3 2.5 20h19L12 3Z\"\/><path d=\"M12 9v5M12 17h.01\"\/><\/svg><\/div><div><div style=\"font-weight:800;font-size:18px;line-height:1.35;margin-bottom:6px;color:#111827;\">\u0397 heat pump \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7\u03c7\u03ac\u03bd\u03b7\u03bc\u03b1 \u03c1\u03bf\u03ae\u03c2<\/div><div style=\"font-size:16px;line-height:1.75;color:#374151;\">\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03ce\u03c3\u03b5\u03b9 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 <strong>\u03c3\u03c9\u03c3\u03c4\u03cc water volume, \u03c3\u03c9\u03c3\u03c4\u03cc flow, \u03ba\u03b1\u03b8\u03b1\u03c1\u03cc \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1, \u03c3\u03c9\u03c3\u03c4\u03ac emitters \u03ba\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03cc control<\/strong>. \u039a\u03b1\u03bd\u03ad\u03bd\u03b1 COP \u03c6\u03c5\u03bb\u03bb\u03b1\u03b4\u03af\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03bd\u03b5\u03b9 \u03ba\u03b1\u03ba\u03ae \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7.<\/div><\/div><\/div>\n<h2>1. \u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b1 kW \u03c4\u03bf\u03c5 \u03c0\u03b1\u03bb\u03b9\u03bf\u03cd \u03bb\u03ad\u03b2\u03b7\u03c4\u03b1<\/h2><p>\u0388\u03bd\u03b1\u03c2 \u03c0\u03b1\u03bb\u03b9\u03cc\u03c2 \u03bb\u03ad\u03b2\u03b7\u03c4\u03b1\u03c2 30 kW \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c3\u03c0\u03af\u03c4\u03b9 \u03ad\u03c7\u03b5\u03b9 30 kW heat loss. \u0391\u03bd \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b7\u03b8\u03b5\u03af \u03b1\u03c5\u03c4\u03ae \u03b7 \u03bb\u03bf\u03b3\u03b9\u03ba\u03ae, \u03b7 heat pump \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03b5\u03c1\u03b4\u03b9\u03b1\u03c3\u03c4\u03b1\u03c3\u03b9\u03bf\u03bb\u03bf\u03b3\u03b7\u03b8\u03b5\u03af \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03b9 cycling.<\/p>\n<h2>2. Buffer \u00ab\u03bc\u03b5 \u03c4\u03bf \u03bc\u03ac\u03c4\u03b9\u00bb<\/h2><p>\u03a4\u03bf \u03bd\u03b1 \u03b2\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 100 \u03ae 200 L \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u00ab\u03ad\u03c4\u03c3\u03b9 \u03c3\u03c5\u03bd\u03b7\u03b8\u03af\u03b6\u03b5\u03c4\u03b1\u03b9\u00bb \u03b1\u03b3\u03bd\u03bf\u03b5\u03af minimum system volume, compressor modulation \u03ba\u03b1\u03b9 smallest active zone. Buffer sizing \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bb\u03cc\u03b3\u03bf \u03ba\u03b1\u03b9 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc.<\/p>\n<figure style=\"margin:32px 0;\"><img decoding=\"async\" src=\"https:\/\/images.unsplash.com\/photo-1676210134190-3f2c0d5cf58d?auto=format&#038;fit=crop&#038;fm=jpg&#038;q=80&#038;w=1800\" alt=\"\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03cc\u03c2 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03bf\u03cd \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2\" loading=\"lazy\" style=\"width:100%;height:auto;display:block;border-radius:14px;\" title=\"- MSSTORE.GR\"><figcaption style=\"font-size:12px;color:#6b7280;margin-top:8px;\">Photo: Timur Shakerzianov \/ Unsplash \u2014 <a href=\"https:\/\/unsplash.com\/photos\/a-man-fixing-a-water-heater-in-a-room-kxuz4YrLxSc\" target=\"_blank\" rel=\"noopener nofollow\">\u03c0\u03b7\u03b3\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2<\/a><\/figcaption><\/figure>\n<h2>3. \u03a0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03c3\u03c9\u03bb\u03b7\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ae \u03ba\u03b1\u03ba\u03ae \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae<\/h2><p>\u0397 heat pump \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf water flow. \u03a5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5, \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b4\u03b9\u03b1\u03bc\u03ad\u03c4\u03c1\u03bf\u03c5\u03c2, \u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b6\u03ce\u03bd\u03b5\u03c2 \u03ae \u03b2\u03bf\u03c5\u03bb\u03c9\u03bc\u03ad\u03bd\u03b1 strainers \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c1\u03af\u03be\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd alarms \u03ae \u03ba\u03b1\u03ba\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7.<\/p>\n<h2>4. \u039a\u03b1\u03bc\u03af\u03b1 \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03ae \u03b5\u03be\u03b9\u03c3\u03bf\u03c1\u03c1\u03cc\u03c0\u03b7\u03c3\u03b7<\/h2><p>\u03a7\u03c9\u03c1\u03af\u03c2 balancing, \u03c4\u03b1 \u03ba\u03bf\u03bd\u03c4\u03b9\u03bd\u03ac Fan Coil\/\u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bd \u03c5\u03c0\u03b5\u03c1\u03b2\u03bf\u03bb\u03b9\u03ba\u03ae \u03c1\u03bf\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03b1\u03ba\u03c1\u03b9\u03bd\u03ac \u03b1\u03bd\u03b5\u03c0\u03b1\u03c1\u03ba\u03ae. \u039f installer \u03c4\u03cc\u03c4\u03b5 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b1\u03bd\u03b5\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b9\u03bf \u03b1\u03b4\u03cd\u03bd\u03b1\u03bc\u03bf \u03b4\u03c9\u03bc\u03ac\u03c4\u03b9\u03bf \u2014 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf COP \u03cc\u03bb\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.<\/p>\n<h2>5. \u03a0\u03b1\u03bb\u03b9\u03cc \u03b2\u03c1\u03ce\u03bc\u03b9\u03ba\u03bf \u03ba\u03cd\u03ba\u03bb\u03c9\u03bc\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 flushing \u03ba\u03b1\u03b9 magnetic protection<\/h2><p>Magnetite, debris \u03ba\u03b1\u03b9 \u03bb\u03ac\u03c3\u03c0\u03b7 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03c5\u03be\u03ae\u03c3\u03bf\u03c5\u03bd pressure drop \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03bb\u03ac\u03c8\u03bf\u03c5\u03bd heat exchangers\/\u03ba\u03c5\u03ba\u03bb\u03bf\u03c6\u03bf\u03c1\u03b7\u03c4\u03ad\u03c2. \u0397 \u03bd\u03ad\u03b1 heat pump \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b1\u03bd \u00ab\u03ba\u03b1\u03b9\u03bd\u03bf\u03cd\u03c1\u03b3\u03b9\u03bf\u03c2 \u03bb\u03ad\u03b2\u03b7\u03c4\u03b1\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03bd\u03b5\u03c1\u03cc \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03b9\u03ce\u03bd\u00bb.<\/p>\n<h2>6. Expansion vessel \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03ad\u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc<\/h2><p>\u039c\u03b5 \u03bd\u03ad\u03bf buffer, \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf system volume \u03ae \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae max temperature, \u03c4\u03bf \u03c0\u03b1\u03bb\u03b9\u03cc expansion vessel \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03c0\u03b1\u03c1\u03ba\u03b5\u03af. \u0395\u03c0\u03af\u03c3\u03b7\u03c2 \u03b7 pre-charge \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c4\u03bf static head.<\/p>\n<h2>7. Cooling \u03c7\u03c9\u03c1\u03af\u03c2 \u03bc\u03cc\u03bd\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 condensate strategy<\/h2><p>\u0391\u03bd Fan Coil \u03c4\u03c1\u03bf\u03c6\u03bf\u03b4\u03bf\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 chilled water, \u03bf\u03b9 \u03c3\u03c9\u03bb\u03b7\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b2\u03b1\u03bb\u03b2\u03af\u03b4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03ad\u03c6\u03c4\u03bf\u03c5\u03bd \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc dew point \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 vapor-tight insulation. \u039a\u03ac\u03b8\u03b5 Fan Coil \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b1\u03c0\u03bf\u03c7\u03ad\u03c4\u03b5\u03c5\u03c3\u03b7 \u03c3\u03c5\u03bc\u03c0\u03c5\u03ba\u03bd\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<h2>8. \u03a0\u03ac\u03c1\u03b1 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 zones \u03c0\u03bf\u03c5 \u03ba\u03bb\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1<\/h2><p>\u0391\u03bd \u03ba\u03bb\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03cc\u03bb\u03b1 \u03c4\u03b1 circuits, \u03b7 heat pump \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 minimum flow \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03c1\u03ba\u03b5\u03c4\u03cc load. \u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 control\/hydraulic strategy \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03b5\u03b9 flow \u03ba\u03b1\u03b9 minimum runtime.<\/p>\n<h2>9. \u03a0\u03bf\u03bb\u03cd \u03c5\u03c8\u03b7\u03bb\u03ae \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u00ab\u03b4\u03b9\u03bf\u03c1\u03b8\u03c9\u03b8\u03b5\u03af\u00bb \u03bb\u03ac\u03b8\u03bf\u03c2 terminal sizing<\/h2><p>\u0391\u03bd \u03c4\u03b1 Fan Coil \u03ae \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ac, \u03b7 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b7 \u03bb\u03cd\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc. \u0391\u03c5\u03c4\u03cc \u03cc\u03bc\u03c9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf COP. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03bb\u03cd\u03c3\u03b7 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf emitter sizing \u03ba\u03b1\u03b9 weather compensation.<\/p>\n<h2>10. Commissioning \u03c7\u03c9\u03c1\u03af\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2<\/h2><p>\u0388\u03bd\u03b1 \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b5\u03bb\u03b5\u03b9\u03c9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u00ab\u03b6\u03b5\u03c3\u03c4\u03b1\u03af\u03bd\u03b5\u03b9\u00bb. \u03a0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03b8\u03bf\u03cd\u03bd flow rates, \u0394T, pressures, expansion vessel, filters, alarms, zones, weather curve \u03ba\u03b1\u03b9 DHW operation.<\/p>\n<p>\u0397 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 heat pump \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf hydraulic design \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c4\u03bf \u03bc\u03b7\u03c7\u03ac\u03bd\u03b7\u03bc\u03b1.<\/p>\n<div style=\"padding:26px 24px;margin:36px 0;border-radius:16px;background:#0f172a;color:#fff;\"><div style=\"font-size:21px;font-weight:800;margin-bottom:8px;\">\u03a3\u03c7\u03b5\u03b4\u03b9\u03ac\u03b6\u03b5\u03c4\u03b5 \u03c4\u03bf \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2;<\/div><p style=\"margin:0 0 16px;line-height:1.7;color:#e5e7eb;\">\u03a3\u03c4\u03bf MSStore.gr \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03c5\u03ac\u03c3\u03b5\u03c4\u03b5 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, buffer, boiler, Fan Coil \u03ba\u03b1\u03b9 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ce\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c9\u03c2 \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf.<\/p><a href=\"https:\/\/msstore.gr\/\" style=\"display:inline-block;background:#fff;color:#0f172a;text-decoration:none;font-weight:800;padding:11px 17px;border-radius:9px;\">\u0394\u03b5\u03af\u03c4\u03b5 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03bf MSStore<\/a><\/div>\n<div style=\"margin:36px 0;padding:22px 24px;border:1px solid #e5e7eb;border-radius:14px;background:#fafafa;\"><div style=\"font-size:18px;font-weight:800;margin-bottom:10px;\">\u0394\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2<\/div><ul style=\"margin:0;padding-left:21px;line-height:1.65;\"><li style=\"margin:8px 0;\"><a href=\"https:\/\/msstore.gr\/xreiazetai-buffer-antlia-thermotitas-odigos\/\">\u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 buffer \u03b7 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2;<\/a><\/li><li style=\"margin:8px 0;\"><a href=\"https:\/\/msstore.gr\/magnitiko-filtro-antlia-thermotitas\/\">\u039c\u03b1\u03b3\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c6\u03af\u03bb\u03c4\u03c1\u03bf \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2: \u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac;<\/a><\/li><li style=\"margin:8px 0;\"><a href=\"https:\/\/msstore.gr\/doxeio-diastolis-ti-einai-ti-megethos\/\">\u0394\u03bf\u03c7\u03b5\u03af\u03bf \u03b4\u03b9\u03b1\u03c3\u03c4\u03bf\u03bb\u03ae\u03c2: \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b9 \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9;<\/a><\/li><li style=\"margin:8px 0;\"><a href=\"https:\/\/msstore.gr\/fan-coil-me-antlia-thermotitas\/\">Fan Coil \u03bc\u03b5 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1 \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2: \u039f \u03c0\u03bb\u03ae\u03c1\u03b7\u03c2 \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2<\/a><\/li><\/ul><\/div>\n<section style=\"margin-top:36px;\"><h2>\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/h2><div style=\"padding:18px 0;border-bottom:1px solid #e5e7eb;\"><h3 style=\"font-size:18px;margin:0 0 7px;\">\u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03b9\u03bf \u03c3\u03c5\u03c7\u03bd\u03cc \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03cc \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c3\u03b5 heat pump;<\/h3><p style=\"margin:0;line-height:1.75;\">\u0397 \u03ad\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03c3\u03c9\u03c3\u03c4\u03bf\u03cd flow\/volume design \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03bf\u03c1\u03b8\u03c9\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd.<\/p><\/div><div style=\"padding:18px 0;border-bottom:1px solid #e5e7eb;\"><h3 style=\"font-size:18px;margin:0 0 7px;\">\u03a4\u03bf buffer \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 zoning \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1;<\/h3><p style=\"margin:0;line-height:1.75;\">\u038c\u03c7\u03b9. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 volume\/cycling\/hydraulic separation, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03c3\u03c9\u03c3\u03c4\u03cc balancing \u03ba\u03b1\u03b9 control.<\/p><\/div><div style=\"padding:18px 0;border-bottom:1px solid #e5e7eb;\"><h3 style=\"font-size:18px;margin:0 0 7px;\">\u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 flushing \u03c3\u03b5 \u03c0\u03b1\u03bb\u03b9\u03ac \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7;<\/h3><p style=\"margin:0;line-height:1.75;\">\u03a3\u03b5 retrofit \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03b7\u03b8\u03b5\u03af \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c0\u03c1\u03b9\u03bd \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03b5\u03af \u03b7 \u03bd\u03ad\u03b1 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1.<\/p><\/div><div style=\"padding:18px 0;border-bottom:1px solid #e5e7eb;\"><h3 style=\"font-size:18px;margin:0 0 7px;\">\u03a0\u03ce\u03c2 \u03be\u03ad\u03c1\u03c9 \u03b1\u03bd \u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ad\u03b3\u03b9\u03bd\u03b5 \u03c3\u03c9\u03c3\u03c4\u03ac;<\/h3><p style=\"margin:0;line-height:1.75;\">\u0396\u03b7\u03c4\u03ae\u03c3\u03c4\u03b5 commissioning values: flow, pressures, design temperatures, controls, safety checks \u03ba\u03b1\u03b9 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03c9\u03bd.<\/p><\/div><\/section>\n<div style=\"margin-top:40px;padding-top:20px;border-top:1px solid #e5e7eb;\"><h2 style=\"font-size:22px;margin:0 0 10px;\">\u03a0\u03b7\u03b3\u03ad\u03c2 &#038; \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7<\/h2><ul style=\"padding-left:21px;line-height:1.6;\"><li style=\"margin:7px 0;\"><a href=\"https:\/\/www.grantuk.com\/media\/awohwdor\/grant-aerona-290-uk-doc-0204-rev-18-apr-2026.pdf\" target=\"_blank\" rel=\"noopener\">Grant Aerona 290 \u2014 Installation manual, minimum system water volume<\/a><\/li><li style=\"margin:7px 0;\"><a href=\"https:\/\/www.caleffi.com\/en-us\/blog\/design-details-air-water-heat-pump\" target=\"_blank\" rel=\"noopener\">Caleffi \u2014 Design details for air-to-water heat pumps<\/a><\/li><li style=\"margin:7px 0;\"><a href=\"https:\/\/www.caleffi.com\/en-int\/products\/dirt-separators-heat-pump-systems\" target=\"_blank\" rel=\"noopener\">Caleffi \u2014 Dirt separators for heat-pump systems<\/a><\/li><li style=\"margin:7px 0;\"><a href=\"https:\/\/www.caleffi.com\/sites\/default\/files\/media\/external-file\/01079_EN.pdf\" target=\"_blank\" rel=\"noopener\">Caleffi \u2014 Expansion-vessel sizing for heating systems<\/a><\/li><li style=\"margin:7px 0;\"><a href=\"https:\/\/www.caleffi.com\/en-int\/hydraulic-separator-for-heating-and-cooling-systems-550-caleffi-550305\" target=\"_blank\" rel=\"noopener\">Caleffi \u2014 Hydraulic separator for heating and cooling systems<\/a><\/li><\/ul><p style=\"font-size:13px;color:#6b7280;\">\u039f\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c0\u03b1\u03c1\u03bf\u03c7\u03ad\u03c2, \u03c0\u03b9\u03ad\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03c4\u03bf manual \u03c4\u03b7\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b1\u03bd\u03c4\u03bb\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2. \u039f\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03bf\u03af \u03ba\u03b1\u03bd\u03cc\u03bd\u03b5\u03c2 \u03b4\u03b5\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd manufacturer requirements.<\/p><\/div>\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"\u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c0\u03b9\u03bf \u03c3\u03c5\u03c7\u03bd\u03cc \u03c5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03cc \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c3\u03b5 heat pump;\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0397 \u03ad\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03c3\u03c9\u03c3\u03c4\u03bf\u03cd flow\/volume design \u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03bf\u03c1\u03b8\u03c9\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03bd\u03b5\u03c1\u03bf\u03cd.\"}},{\"@type\":\"Question\",\"name\":\"\u03a4\u03bf buffer \u03b4\u03b9\u03bf\u03c1\u03b8\u03ce\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 zoning \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1;\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u038c\u03c7\u03b9. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 volume\/cycling\/hydraulic separation, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03c3\u03c9\u03c3\u03c4\u03cc balancing \u03ba\u03b1\u03b9 control.\"}},{\"@type\":\"Question\",\"name\":\"\u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 flushing \u03c3\u03b5 \u03c0\u03b1\u03bb\u03b9\u03ac \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7;\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u03a3\u03b5 retrofit \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03b7\u03b8\u03b5\u03af \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c0\u03c1\u03b9\u03bd \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03b5\u03af \u03b7 \u03bd\u03ad\u03b1 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1.\"}},{\"@type\":\"Question\",\"name\":\"\u03a0\u03ce\u03c2 \u03be\u03ad\u03c1\u03c9 \u03b1\u03bd \u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ad\u03b3\u03b9\u03bd\u03b5 \u03c3\u03c9\u03c3\u03c4\u03ac;\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u0396\u03b7\u03c4\u03ae\u03c3\u03c4\u03b5 commissioning values: flow, pressures, design temperatures, controls, safety checks \u03ba\u03b1\u03b9 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c1\u03c5\u03b8\u03bc\u03af\u03c3\u03b5\u03c9\u03bd.\"}}]}<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>10 plumbing errors in heat pump installations: sizing, buffer, flow, balancing, flushing, expansion vessel, cooling condensate, and commissioning.<\/p>","protected":false},"author":1,"featured_media":13264,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,612],"tags":[613,646,645,391,644,643],"class_list":["post-13263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-ydravlika-systimata-docheia","tag-buffer","tag-commissioning","tag-flow","tag-antlia-thermotitas","tag-lathi-egkatastasis","tag-ydravliko-kykloma"],"acf":[],"_links":{"self":[{"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/posts\/13263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/comments?post=13263"}],"version-history":[{"count":1,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/posts\/13263\/revisions"}],"predecessor-version":[{"id":13265,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/posts\/13263\/revisions\/13265"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/media\/13264"}],"wp:attachment":[{"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/media?parent=13263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/categories?post=13263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/msstore.gr\/en\/wp-json\/wp\/v2\/tags?post=13263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}