[{"text_idx": "#000001", "text": "Defnyddio\u2019r Awyr i Gynhesu\u2019r EVI"}, {"text_idx": "#000002", "text": "Mewn oes pan mae arbed arian a bod yn ymwybodol o\u2019ch o\u0302l-troed carbon yn bwysicach nac erioed, mae Institiwt Glynebwy wedi cael gweddnewidiad egni effeithlon ei hun."}, {"text_idx": "#000003", "text": "Rydym eisoes wedi dweud wrthych am newid yr holl oleuadau yn yr adeilad hanesyddol yma i rai LED ar o\u0302l derbyn arian gan y Cynllun Cymunedau\u2019r Dreth Gwarediadau Tirlenwi. Yn yr erthygl hon byddem yn egluro\u2019r newidiadau sydd wedi digwydd i atal drafftiau a gwella\u2019r system wres."}, {"text_idx": "#000004", "text": "Mae\u2019r EVI yn lleoliad cymunedol hanesyddol Gradd II yn dyddio\u2019n o\u0302l i 1849. Mae\u2019n cael ei redeg gan ProMo-Cymru Mae\u2019n darparu rhaglen o weithgareddau creadigol, dysgu a datblygiadau mentrau cymdeithasol. Mae\u2019n gartref i amrywiaeth o sefydliadau trydydd sector ac yn croesawu dros 5,000 o bobl bob mis."}, {"text_idx": "#000005", "text": "Gosodwyd dyfeisiau newydd i gau\u2019r drysau\u2019n awtomatig"}, {"text_idx": "#000006", "text": "Mae\u2019n anochel bod drafft yn broblem mewn adeilad cyhoeddus, mawr, hanesyddol fel hyn, ac roedd yn broblem fawr pan ddaw at filiau ynni\u2019r EVi. Roedd drysau yn cael eu cadw\u2019n agored drwy\u2019r adeg ac felly roedd angen mwy o egni i gynhesu ystafelloedd, roedd ystafelloedd gwag yn cael ei gynhesu pan nad oedd angen ac roedd tenantiaid yn defnyddio gwresogydd trydan i gynhesu ystafelloedd."}, {"text_idx": "#000007", "text": "Yn dilyn derbyn \u00a332,523 o arian gan y cynllun ariannir gan y WCVA, penderfynom ddefnyddio peth o\u2019r arian i geisio atal y drafftiau a gwella effeithiolrwydd egni\u2019r adeilad."}, {"text_idx": "#000008", "text": "Gosodwyd dyfais ar bob drws i gau yn awtomatig a chafwyd rheolyddion awtomatig ar y rheiddiaduron, fel eu bod yn cynhesu dim ond pan fydd rhywun yn yr ystafell, yn arbed egni ar gynhesu ystafell wag yn ddiangen."}, {"text_idx": "#000009", "text": "\u201cNodwyd mai\u2019r gegin a\u2019r stiwdio recordio oedd yr ardaloedd gyda\u2019r swm uchaf o ddefnydd ynni,\u201d eglurai Samantha James, Cydlynydd Gweithrediadau yn yr EVI."}, {"text_idx": "#000010", "text": "\u201cFelly gosodwyd mesurydd ynni a gweithredu i gywiro fel bod yr anghenion pw\u0302er yn y gegin yn lleihau.\u201d"}, {"text_idx": "#000011", "text": "Aer oer ac ystafelloedd cynnes"}, {"text_idx": "#000012", "text": "Mae defnyddio aer oer i sychu dwylo yn arbed egni"}, {"text_idx": "#000013", "text": "Newidiwyd y sychwyr dwylo yn y toiledau i sychwyr-eco, sydd yn defnyddio aer oer yn hytrach nag aer cynnes. Dylid hyn leihau\u2019r defnydd o ynni a\u2019r defnydd o dyweli."}, {"text_idx": "#000014", "text": "\u201cRoedd sawl un o\u2019n tenantiaid a\u2019r rhai oedd yn llogi\u2019r adeilad yn defnyddio gwresogydd trydan i gynhesu ardaloedd oer o\u2019r adeilad, bellach rydym wedi gosod gwresogyddion wal ynni effeithlon sydd yn sicrhau diogelwch ac effeithiolrwydd,\u201d ychwanegai Samantha."}, {"text_idx": "#000015", "text": "\u201cMae\u2019r gwresogyddion ar amserydd 10 munud ac yn amhrisiadwy i gael gwared ar fannau oer.\u201d"}, {"text_idx": "#000016", "text": "Daeth ProMo-Cymru yn gyfrifol am redeg yr adeilad hanesyddol yma dros 10 mlynedd yn o\u0302l, yn ei achub o gael ei ddymchwel. Aeth yr adeilad drwy gyfnod mawr o adfywiad ac roedd effeithlonrwydd ynni yn bwysig iawn bryd hynny hefyd a gosodwyd dau bwmp gwres o\u2019r awyr o\u2019r radd flaenaf."}, {"text_idx": "#000017", "text": "Gosodwyd y pympiau 40kW gwres o\u2019r awyr yng nghefn yr adeilad yn darparu gwres gradd isel. Roedd y rhain yn gweithio gyda\u2019r rheiddiaduron haearn bwrw gwreiddiol yn ogystal a\u0302 gosod SmartRads i gadw\u2019r adeilad yn gynnes. Gosodwyd boeler nwy hefyd i fod yn gefn i\u2019r pympiau mewn tywydd oer iawn."}, {"text_idx": "#000018", "text": "Mae defnyddio aer oer i gynhesu\u2019r adeilad hanesyddol yn arbed arian ac egni"}, {"text_idx": "#000019", "text": "Cafwyd archwiliad o\u2019r pympiau gwres wrth i ni edrych ar wneud newidiadau effeithiolrwydd ynni pellach a darganfod nad oedd un yn gweithio. Roedd y pympiau wedi bod yn rhedeg ar amseroedd sylweddol gwahanol ar y cywasgyddion, roedd yna beipen cyddwysiad wedi\u2019i blocio gyda hylif yn gollwng ac roedd y peipiau yn rhy fach ac wedi\u2019u hinsiwleiddio\u2019n wael. Roedd y pympiau hefyd yn gweithio ar 50 gradd, sydd yn ddrud i\u2019w redeg, ac yn gyfrifol am 41% o ddefnydd ynni\u2019r EVI."}, {"text_idx": "#000020", "text": "Ond nid oedd gan yr EVI arian i ddatrys y problemau yma a thrwsio\u2019r pympiau gwres, ac felly roedd rhaid defnyddio\u2019r boeler nwy wrth gefn yn y gaeaf. Roedd hyn yn achosi sbigyn yn y defnydd o ynni, tra bod y pympiau gwres aneffeithlon yn parhau i redeg a chynyddu defnydd ymhellach."}, {"text_idx": "#000022", "text": "\u201cUnwaith eto, mae\u2019r EVI yn cael ei gynhesu gan bympiau gwres ynni effeithlon yn y lle cyntaf.\u201d"}, {"text_idx": "#000023", "text": "Darllenwch ein herthygl arall yn edrych ar y newidiadau sydd wedi digwydd i\u2019r goleuadau yn yr EVI i ostwng costau a dod yn fwy ynni effeithlon."}, {"text_idx": "#000025", "text": "Os oes gennych ddiddordeb yn llogi cyfleusterau\u2019r EVI yna cysylltwch i ddarganfod mwy."}, {"text_idx": "#000027", "text": "In an age where saving money and being aware of your carbon footprint is more important than ever, Ebbw Vale Institute has been through it\u2019s very own energy efficient makeover."}, {"text_idx": "#000028", "text": "We\u2019ve already told you about changing all the lighting in this historic building to LED lights after receiving funding from the Landfill Disposals Tax Communities Scheme. In this article we\u2019ll tell you about the changes made to improve draught exclusion and the heating source."}, {"text_idx": "#000029", "text": "EVI is a Grade II listed building ran by ProMo-Cymru. We are a landmark community venue dating back to 1849. We provide a programme of creative activities, learning and social enterprise developments. A variety of third sector organisations have settled into EVI and we welcome over 5,000 people a month."}, {"text_idx": "#000030", "text": "New automatic door closers were installed"}, {"text_idx": "#000031", "text": "It\u2019s inevitable that a big historic public building like this has draughts and this was a big problem when it came to the EVI\u2019s energy bills. Doors were left open all the time so it took more energy to heat up rooms, empty rooms were being heated when it wasn\u2019t needed and tenants were using electric heaters to warm their rooms."}, {"text_idx": "#000032", "text": "Following receiving \u00a332,523 through the WCVA funded scheme we decided to use some of this to try banishing the drafts and improving the energy efficiency of the building."}, {"text_idx": "#000033", "text": "Automatic door closers were fitted on top of the doors. Automatic controls were fitted on the radiators, meaning they activate only when the room is occupied. This saves energy on unnecessarily heating an empty room."}, {"text_idx": "#000034", "text": "\u201cWe identified that the kitchen and the recording studio were the areas with the highest energy consumption,\u201d explains Samantha James, Operations Coordinator at the EVI."}, {"text_idx": "#000035", "text": "\u201cSo we had energy meters installed and we took corrective action to reduce the power requirements in the kitchen.\u201d"}, {"text_idx": "#000036", "text": "Cold air and warm rooms"}, {"text_idx": "#000037", "text": "Using cold air to dry hands saves energy"}, {"text_idx": "#000038", "text": "The hand driers in the toilets were replaced with eco-driers, which use cold air rather than warm air. This should reduce energy consumption and reduce the use of hand towels."}, {"text_idx": "#000039", "text": "\u201cMany of our tenants and hirers had been using electrical heaters to warm cold areas of the building. We\u2019ve now installed energy efficient wall heaters which ensure safety and efficiency.\u201d adds Samantha."}, {"text_idx": "#000040", "text": "\u201cThe heaters are on 10 minute timers and are invaluable when it comes to eradicating cold spots.\u201d"}, {"text_idx": "#000041", "text": "ProMo-Cymru took over the running of the historic building over ten years ago, saving it from demolition. The building went through a huge regeneration and energy efficiency was top priority back then too. Two state of the art air heat pumps were installed."}, {"text_idx": "#000042", "text": "The 40kW air source heat pumps were installed at the rear of the building and provided low-grade heat. These would work with the original cast iron radiators as well as installing SmartRads to keep the building warm. A gas boiler was also installed to supplement the heat pumps in extremely cold weather."}, {"text_idx": "#000043", "text": "Using air to heat the historic building saves money and energy"}, {"text_idx": "#000044", "text": "We carried out an inspection of the heat pumps when we were looking at making further energy efficiency changes and found that one was not operating. The pumps had been running at significantly different times on the compressors. There was a blocked condensate pipe with fluid leaking and the piping was too small and poorly insulated. The pumps were also operating at 50 degrees, which is expensive to run. It made up 41% of the EVI\u2019s energy consumption."}, {"text_idx": "#000045", "text": "But we didn\u2019t have the funds to fix these issues and repair the heat pumps, resulting in having to use the back up gas boiler in the winter. This caused a spike in energy usage, while the inefficient heat pumps were still running and increasing consumption further."}, {"text_idx": "#000047", "text": "\u201cThe EVI is once again being heated primarily through the energy efficient heat pumps.\u201d"}, {"text_idx": "#000048", "text": "Check out our other article looking at the changes made to the lighting at the EVI to help cut costs and become more energy efficient."}, {"text_idx": "#000050", "text": "If you\u2019re interested in hiring facilities at the EVi then contact us to find out more."}, {"text_idx": "#000052", "text": "Mae Institiwt Glynebwy wedi bod yn fwrlwm o weithgareddau\u2019n ddiweddar wrth i waith effeithiolrwydd ynni ddigwydd yn yr adeilad diolch i arian gan Gynllun Cymunedau\u2019r Dreth Gwarediadau Tirlenwi sydd yn cael ei redeg gan y WCVA. Mae\u2019r holl waith wedi dod i ben bellach a hoffem roi gwybod i chi am yr hyn sydd wedi cael ei wneud."}, {"text_idx": "#000053", "text": "Mae\u2019r EVI yn cael ei redeg gan ProMo-Cymru. Rydym yn lleoliad cymunedol sydd yn garreg filltir, yn darparu rhaglen o weithgareddau creadigol, dysgu a datblygiadau mentrau cymdeithasol. Mae\u2019n gartref i amrywiaeth o sefydliadau trydydd sector ac yn croesawu dros 5,000 o bobl bob mis."}, {"text_idx": "#000054", "text": "Un rhan o\u2019r gwaith gostwng defnydd ynni yn yr adeilad hanesyddol yma oedd gwella\u2019r goleuadau, a dyma fyddem yn edrych arno yn yr erthygl hon. Byddem hefyd yn edrych ar pam bod goleuadau LED yn syniad da i bob ty\u0302 ac adeilad."}, {"text_idx": "#000055", "text": "Roedd 21%* o ddefnydd ynni\u2019r EVi yn cael ei ddefnyddio i gadw\u2019r goleuadau ymlaen, swm uchel iawn. Mae\u2019n adeilad mawr ac felly angen llawer o oleuadau! (*Canlyniadau adolygiad ynni gan REW)"}, {"text_idx": "#000056", "text": "\u201cRoedd y goleuadau yn hen ac yn aneffeithiol,\u201d eglurai Samantha James, Cydlynydd Gweithrediadau yn yr EVi."}, {"text_idx": "#000057", "text": "\u201cRoedd y tiwbiau fflworolau yn chwythu drwy\u2019r adeg, rhai o\u2019r tryledwyr wedi torri ac yn gorfod prynu bylbiau newydd drwy\u2019r adeg.\u201d"}, {"text_idx": "#000058", "text": "Y brif neuadd yw\u2019r ystafell fwyaf yn yr adeilad. Mae\u2019r gofod wedi cael ei logi ar gyfer perfformiadau byw, cynadleddau, arddangosfeydd, parti\u0308on preifat, priodasau a mwy. Ond roedd dau set o oleuadau yn y neuadd yn ddiffygiol ac nid yw hyn yn creu argraff dda wrth geisio llogi\u2019r ystafell i bobl! Ond roedd y gost o gael rhai newydd yn uchel, nid yn unig oherwydd y bylbiau arbenigol, ond roedd rhaid llogi sgaffald a galw trydanwyr arbenigol dro ar o\u0302l tro i\u2019w gosod."}, {"text_idx": "#000060", "text": "\u201cDefnyddiwyd peth o\u2019r \u00a332,523 i brynu goleuadau LED o\u2019r radd flaenaf ar gyfer y neuadd,\u201d meddai Samantha."}, {"text_idx": "#000061", "text": "Ac nid y neuadd yn unig sydd wedi cael goleuadau newydd. Mae holl oleuadau\u2019r adeilad wedi cael eu newid i LED."}, {"text_idx": "#000062", "text": "Mae LED, sef Deuod Allyrru Golau, yn defnyddio hyd at 90% yn llai o ynni. Tra bod bwlb traddodiadol yn cynhyrchu llawer o wres er mwyn cynhyrchu golau, mae LED yn defnyddio llawer llai o wres i wneud yr un peth, ac felly mae\u2019n llawer fwy ynni effeithlon."}, {"text_idx": "#000063", "text": "Mae goleuadau yn gallu cyfrif am hyd at 20% o\u2019ch biliau ynni felly mae posib creu arbedion sylweddol wrth newid i LED. Maent yn parhau\u2019n hirach hefyd, tua 20 gwaith yn hirach nag bwlb golau traddodiadol, felly nid oes rhaid mynd allan i brynu bylbiau a\u2019u newid drwy\u2019r adeg. Bonws arall ydy bod bylbiau LED yn gallu cael eu hailgylchu, gan nad ydynt yn cynnwys mercwri fel rhai bylbiau hy\u0302n."}, {"text_idx": "#000064", "text": "Y newyddion da i unrhyw un sydd yn ystyried newid i LED ydy bod gostyngiad mawr wedi bod yn y pris ers iddynt ddod allan i gychwyn, ac nid sbotolau yn unig chwaith. Bellach mae yna amrywiaeth eang ar gael, fel bayonet, sgriw neu oleuadau strip hyd yn oed. (*Ffynhonnell gwybodaeth: 7 Reasons Why You Should Swap To LED Lighting \u2013 thegreenage.co.uk)"}, {"text_idx": "#000065", "text": "Cadwch olwg allan am yr erthyglau nesaf fydd yn edrych ar y gwaith gwelliannau drafft a gwres yn yr EVi."}, {"text_idx": "#000067", "text": "ddiddordeb yn llogi cyfleusterau\u2019r EVI yna cysylltwch i ddarganfod mwy."}, {"text_idx": "#000069", "text": "It\u2019s been a hive of activity at the Ebbw Vale Institute (EVi)\nrecently with lots of energy efficiency works going on thanks to generous funding from the Landfill Disposals Tax\nCommunities Scheme managed by the WCVA.\nAll work is now complete and we wanted to let you know exactly what we\u2019ve been"}, {"text_idx": "#000071", "text": "One aspect of the work\nto reduce energy consumption at this historic building was the lighting\nimprovements, which we will look at in this article. We\u2019ll also take a look at\nwhy LED lighting is a good idea for all homes and buildings."}, {"text_idx": "#000072", "text": "A massive 21%* of the EVi\u2019s energy consumption went towards keeping all the lights on. It\u2019s a big building so it needs a lot of light! (*Results of an energy review carried out by REW)"}, {"text_idx": "#000074", "text": "were constantly shorting out, some of the diffusers were broken and we\nwere continuously purchasing new bulbs.\u201d"}, {"text_idx": "#000075", "text": "The main hall is the\nbiggest space in the building. The space has been hired out for live\nperformances, conferences, exhibitions, private parties, weddings and more. But\ntwo banks of lights in the main hall were not working, not a great look when\nhiring out the space to people! But the cost of replacing them was high, not\njust because they needed specialist bulbs, but also scaffolding had to be hired\nand specialised electricians had to be called in repeatedly to fit them."}, {"text_idx": "#000077", "text": "\u201cWe used some of the\n\u00a332,523 we received to source state of the art LED lighting for the hall,\u201d said"}, {"text_idx": "#000079", "text": "And it\u2019s not just the\nhall that\u2019s had a lighting make over. The entire buildings lighting has been"}, {"text_idx": "#000080", "text": "Emitting Diode, uses up to 90% less energy. While a traditional bulb produces a\nlot of heat to be able to produce light, an LED uses far less heat to do the\nsame thing and is therefore much more energy efficient."}, {"text_idx": "#000081", "text": "to 20% of your energy bills so you can make significant savings by switching to\nLED. They also last, about 20 times longer than a traditional light bulb,\nmeaning you don\u2019t have to keep popping out to buy bulbs and change them all the\ntime. Another bonus is that LED bulbs are also recyclable, as they don\u2019t\ncontain mercury like some older bulbs."}, {"text_idx": "#000082", "text": "The good news for anyone who\u2019s thinking of changing to LED is that there\u2019s been a big reduction in prince since they first came out, and it\u2019s not just spotlights anymore either. There\u2019s now a wide range available, like bayonet, screw or strip lights even. (*Information source: 7 Reasons Why You Should Swap To LED Lighting \u2013 thegreenage.co.uk)"}, {"text_idx": "#000083", "text": "Check back with us soon when we\u2019ll be\nlooking at the draught and heating improvement works that have been carried out"}, {"text_idx": "#000085", "text": "If you\u2019re interested in hiring\nfacilities at the EVi then contact us to find out more."}, {"text_idx": "#000086", "text": "Sign up to our newsletter to keep up to date with all the exciting developments at EVI!"}, {"text_idx": "#000088", "text": "We are proud to have saved the EVi for future community use."}]