Harry Taylor HT2000 Installation & Servicing Manual
Also see for HT2000: ManualManualInstallation & servicing manualManualInstallation, service and user manual
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Contents
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11The high level ventilation opening should besited on an external wall and positioned ashigh as is practical and always within the top15% of the wall heightThe low level natural ventilation openingshould be situated on an external wall andbe within 1000 mm of floor level for naturalgas and ideally at floor level for l.p.g gasinstallations but in any event no higher than250 mm.The table in the next column providesspecific data for each heater model as -2.3.2.3 Mechanical Ventilation to aPlant Room or Enclosure.In the event that the installer prefers tomechanically ventilate the plant room orenclosure rather than provide ventilationopenings then - The plant room or enclosure needs tobe mechanically ventilated at the rateof 4.14 m3/h of fresh air per kW orrated heat input. It is a requirement that the mechanicalventilation shall be of the ’input’ typewith either natural or mechanicalextraction. Where mechanicalextraction is selected then theextraction rate should be 5%-10% lessthan the input rate. Systems of mechanical extraction witha natural inlet shall not be used It is necessary to provide an automaticmeans to safely inhibit heater(s)operation should mechanical airsupply fail for any reasonThe table below provides specific data foreach heater model as -2.4 Minimum space requirementsThe minimum space requirements for singleand multiple heater applications are detailedin section 3.3 later within this manual.Minimum Free Area ofventilation openingHigh Level Low Levelcm 2 cm 230 159 31835 198 39640 244 48860 317 63475 400 80085 483 966120 643 1286135 726 1452180 965 1930205 1152 2304235 1287 2574275 1558 3116350 1922 3844375 2118 4236ModelMODELMechanicalVentilation Rate forPlant Room orEnclosure35 16440 20260 26275 33185 400120 533135 601180 799205 954235 1066275 1290350 1592375 175330 132M3/h |
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