﻿{"id":9940,"date":"2026-04-01T23:48:14","date_gmt":"2026-04-01T15:48:14","guid":{"rendered":"https:\/\/profixtips.com\/?p=9940"},"modified":"2026-04-02T00:24:18","modified_gmt":"2026-04-01T16:24:18","slug":"how-to-choose-ptc-start-relay-qp2-series-ptc-start-relay-data-sheet-and-selection-guide","status":"publish","type":"post","link":"https:\/\/profixtips.com\/cy\/how-to-choose-ptc-start-relay-qp2-series-ptc-start-relay-data-sheet-and-selection-guide\/","title":{"rendered":"Sut i Ddewis Ras Gyfnewid Cychwyn PTC: Taflen Ddata a Chanllaw Dethol ar gyfer Ras Gyfnewid Cychwyn PTC Cyfres QP2"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Y <b data-path-to-node=\"4\" data-index-in-node=\"4\">Ras Gyfnewid Cychwynnol PTC (Cyfernod Tymheredd Cadarnhaol)<\/b> yn \u201cborthor\u201d hanfodol ar gyfer cywasgydd eich oergell, rhewgell, neu oergell win. Os yw\u2019ch teclyn yn clicio ond heb gychwyn, neu os yw\u2019r cywasgydd yn teimlo\u2019n boeth i\u2019w gyffwrdd, ras gyfnewid QP2 sydd wedi methu yw\u2019r achos mwyaf tebygol.<\/p>\n<p data-path-to-node=\"5\">Mae\u2019r canllaw hwn yn darparu dadansoddiad technegol manwl o <b data-path-to-node=\"5\" data-index-in-node=\"51\">Daflen Ddata Cyfres QP2<\/b> i\u2019ch helpu i ddewis yr union newydd yn seiliedig ar wrthiant, pinnau, a gofynion p\u0175er.<\/p>\n<hr data-path-to-node=\"6\" \/>\n<h2 data-path-to-node=\"7\">1. Y Wyddoniaeth y Tu \u00d4l i Gychwynwyr PTC<\/h2>\n<p data-path-to-node=\"8\">Mae cychwynnydd PTC yn defnyddio disg ceramig sydd \u00e2 gwrthiant isel pan fydd yn oer. Wrth gychwyn, mae\u2019n caniat\u00e1u i gerrynt uchel lifo i weindio cychwyn y cywasgydd. Wrth iddo gynhesu, mae ei wrthiant yn cynyddu\u2019n sylweddol (bron yn syth), gan \u201cddatgysylltu\u201d\u2019r weindio cychwyn yn effeithiol unwaith y bydd y modur wedi cyrraedd cyflymder.<\/p>\n<h2 data-path-to-node=\"9\">2. Manylebau Technegol: Tabl Gwrthiant Cyfres QP2<\/h2>\n<p data-path-to-node=\"10\">Gall dewis y gwrthiant anghywir arwain at \u201cGylch Byr\u201d neu fethiant llwyr i gychwyn. Defnyddiwch amlfesurydd i wirio\u2019ch rhan bresennol yn erbyn y gwerthoedd safonol hyn:<\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"484\" src=\"https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1024x484.png\" class=\"wp-image-9950\" srcset=\"https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1024x484.png 1024w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-300x142.png 300w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-768x363.png 768w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1536x726.png 1536w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-18x9.png 18w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1200x567.png 1200w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-600x284.png 600w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet.png 1676w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p class=\"wp-block-paragraph\"><strong>Nodyn:<\/strong>\u00a0\u201cDiffinnir \u201dGwrthiant Annormal\u201d fel unrhyw werth sy\u2019n sylweddol\u00a0<strong>uwch<\/strong>\u00a0na\u2019r ystodau a restrir uchod neu \u201cGylched Agored\u201d (ohmau anfeidrol).<\/p>\n<h2>3. Meini Prawf Dethol Hanfodol (Y Gwiriad 3-Pwynt)<\/h2>\n<p>\u00a0<\/p>\n<h3>A. Graddfa Ohm (Y Pwysicaf)<\/h3>\n<p>Yn nodweddiadol, rhaid i\u2019r gwrthiant (\u03a9) gyfateb i\u2019ch rhan wreiddiol. Ni ellir disodli\u00a0<strong>QP2-4.7<\/strong>\u00a0gan<strong>QP2-22<\/strong>.\u00a0<\/p>\n<p>Os yw\u2019r gwrthiant yn rhy uchel, ni fydd y cywasgydd yn cael digon o \u201cgic\u201d i gychwyn.<\/p>\n<h3>B. Cyfluniad Pin<\/h3>\n<p>Mae cyfres QP2 ar gael yn:<\/p>\n<ul>\n<li><strong>1-Pin:<\/strong>\u00a0Gosodiad safonol.<\/li>\n<li><strong>2-Pin \/ 3-Pin:<\/strong>\u00a0Yn aml yn cael eu defnyddio pan fo\u00a0<strong>Cynhwysydd Rhedeg<\/strong>\u00a0yn rhan o\u2019r gylched.<br \/>Sicrhewch fod gan y newydd yr un nifer o gysylltwyr rhaw yn yr un safleoedd.<\/li>\n<\/ul>\n<h3>C. Maint Tai Ffisegol<\/h3>\n<p>Er bod y rhan fwyaf o unedau QP2 yn safonol, gwiriwch ddiamedr y plwg a\u2019r bylchiad bob amser i sicrhau ei fod yn ffitio ar y \u201cpenawd\u201d tri-therfynell ar ochr y cywasgydd.<\/p>\n<hr \/>\n<h2>4. Datrys Problemau: Sut i Wybod a yw\u2019ch PTC yn Ddrwg<\/h2>\n<ol>\n<li><strong>Y Prawf Ysgwyd:<\/strong>\u00a0Tynnwch y ras gyfnewid ac ysgwydwch hi ger eich clust. Os yw\u2019n swnio fel blwch o wydr wedi torri (yn clecian), mae\u2019r ddisg geramig fewnol wedi chwalu.<\/li>\n<li><strong>Y Prawf Amlfesurydd:<\/strong>\u00a0Mesurwch y ddau dwll lle mae pinnau\u2019r cywasgydd yn mynd i mewn. Os yw\u2019n darllen \u201cOL\u201d (Gor-ffin), mae\u2019r gylched wedi torri.<\/li>\n<li><strong>Arolygiad Gweledol:<\/strong>\u00a0Chwiliwch am farciau llosg neu arogl \u201ctost wedi llosgi\u201d ger y terfynellau.<\/li>\n<\/ol>\n<hr \/>\n<h2>5. Cwestiynau Cyffredin (FAQ)<\/h2>\n<p>\u00a0<\/p>\n<h3>Sut ydw i\u2019n gwybod pa fersiwn pin sydd ei angen arnaf?<\/h3>\n<p>Gwiriwch eich gwifrau gwreiddiol. Os oes gennych wifren sy\u2019n cysylltu \u00e2 chynhwysydd cyn y ras gyfnewid, mae\u2019n debygol y bydd angen fersiwn\u00a0<strong>2-pin neu 3-pin<\/strong>\u00a0arnoch.\u00a0<\/p>\n<p>Os mai dim ond un wifren sy\u2019n dod o\u2019r thermostat, mae fersiwn\u00a0<strong>1-pin<\/strong>\u00a0yn safonol.<\/p>\n<h3>A allaf uwchraddio i \u201cGit Cychwyn Caled\u201d yn lle hynny?<\/h3>\n<p>Er y gall cit cychwyn caled (ras gyfnewid + cynhwysydd cyfun) helpu hen gywasgydd, mae bob amser yn fwy diogel i ddisodli\u2019r\u00a0<strong>ras gyfnewid QP2<\/strong>\u00a0wreiddiol yn gyntaf er mwyn osgoi rhoi straen diangen ar weindio\u2019r modur.<\/p>\n<h3>A yw\u2019r QP2-4.7 yn gweithio ar gyfer pob cywasgydd 1\/4 HP?<\/h3>\n<p>Yn gyffredinol, ydy. Mae\u2019r rhan fwyaf o gywasgwyr 1\/4 HP i 1\/3 HP yn defnyddio\u2019r gwrthiant\u00a0<strong>4.7 \u03a9<\/strong>\u00a0, ond gwiriwch bob amser gyda\u2019r sticer ar gorff y cywasgydd.<\/p>\n<h3 id=\"_22\">Awgrym Cynnal a Chadw Proffesiynol<\/h3>\n<p>Os yw\u2019ch ras gyfnewid PTC wedi llosgi allan, argymhellir yn gryf hefyd wirio\u2019r\u00a0<strong>Amddiffynnydd Gorlwytho<\/strong>\u00a0(y cydran crwn bach sydd wedi\u2019i chlipio ger y ras gyfnewid). Mae\u2019r ddwy ran hyn yn aml yn methu gyda\u2019i gilydd oherwydd ymchwyddiadau p\u0175er neu ataliad cywasgydd.<\/p>\n\n<h3 class=\"wp-block-heading\">Llywio Cyflym<\/h3>\n\n<h3 class=\"wp-block-heading\">Rhannau Newydd Cydnaws<\/h3>\n\n&#8220;Not sure which one you need? Check the resistance value (Ohm) printed on your original relay or refer to our comparison table above.&#8221;\n\n<h3 class=\"wp-block-heading\">Awgrymiadau Cynnal a Chadw Perthnasol<\/h3>\n\n<figure class=\"wp-block-image size-medium\"><a ><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"142\" src=\"https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-300x142.png\" class=\"wp-image-9950\" srcset=\"https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-300x142.png 300w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1024x484.png 1024w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-768x363.png 768w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1536x726.png 1536w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-18x9.png 18w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-1200x567.png 1200w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet-600x284.png 600w, https:\/\/profixtips.com\/wp-content\/uploads\/2026\/04\/QP2-Series-PTC-Start-Relay-Datasheet.png 1676w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n\n<figure class=\"wp-block-image size-woocommerce_single\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"453\" src=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-600x453.jpg\" class=\"wp-image-4093\" srcset=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-600x453.jpg 600w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-300x226.jpg 300w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-1024x772.jpg 1024w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-768x579.jpg 768w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-1536x1159.jpg 1536w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8-1200x905.jpg 1200w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-8.jpg 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n<figure class=\"wp-block-image size-woocommerce_single\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-600x600.jpg\" class=\"wp-image-4102\" srcset=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-600x600.jpg 600w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-300x300.jpg 300w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-100x100.jpg 100w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-1024x1024.jpg 1024w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-150x150.jpg 150w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-768x768.jpg 768w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-1536x1536.jpg 1536w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6-1200x1200.jpg 1200w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-6.jpg 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n<figure class=\"wp-block-image size-woocommerce_single\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-600x600.jpg\" class=\"wp-image-4094\" srcset=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-600x600.jpg 600w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-300x300.jpg 300w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-100x100.jpg 100w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-1024x1024.jpg 1024w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-150x150.jpg 150w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-768x768.jpg 768w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-1536x1536.jpg 1536w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9-1200x1200.jpg 1200w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-12-Starter-9.jpg 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n<figure class=\"wp-block-image size-woocommerce_single\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-600x600.jpg\" class=\"wp-image-4099\" srcset=\"https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-600x600.jpg 600w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-300x300.jpg 300w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-100x100.jpg 100w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-1024x1024.jpg 1024w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-150x150.jpg 150w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-768x768.jpg 768w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-1536x1536.jpg 1536w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3-1200x1200.jpg 1200w, https:\/\/profixtips.com\/wp-content\/uploads\/2025\/05\/2QP2-4.7-Starter_1Pin-3.jpg 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>The PTC (Positive Temperature Coefficient) Starter Relay is a critical &#8220;gatekeeper&#8221; for your refrigerator, freezer, or wine cooler compressor. If your appliance is clicking but not starting, or the compressor feels hot to the touch, a failed QP2 relay is the most likely culprit. This guide provides a technical deep-dive into the QP2-Series Datasheet to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9950,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,32],"tags":[629,630,628],"class_list":["post-9940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-refrigerator-repair-tips","category-appliance-repair-tips","tag-how-to-choose-ptc-start-relay","tag-qp2-series-ptc-starter-data-sheet","tag-refrigerator-repair-tips"],"_links":{"self":[{"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/posts\/9940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/comments?post=9940"}],"version-history":[{"count":0,"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/posts\/9940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/media\/9950"}],"wp:attachment":[{"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/media?parent=9940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/categories?post=9940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/profixtips.com\/cy\/wp-json\/wp\/v2\/tags?post=9940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}