b'HVAC & PLUMBINGOptimising HVAC Systems Manage Unlike other more costly energy-ecientyour HVACstrategies, such as plant upgrades, ImprovingHeating and ventilating a building can be a high costthe performance of HVAC via control systemsarea, with plenty of opportunities for waste in terms of can provide immediate reduction in yourlost energy or systems running when they dont need to be.energy use and energy costs.Timers, thermostats, insulation, more ecient ways of heating, cooling, moving air and providing hot water can all play their part in reducing costs.Heating, ventilation and air conditioning optimisation opportunities: FLAGTEXTStrategy type Action Potential energy savings SystemOptimise start/stop settings Up to 10% total energysupervision Stainless Steel Ball ValvesOptimise space/zone temperature setUp to 20% HVAC energy High pressure - 1000psi/63 bar - reducedbore quarter-turn stainless steel ball valves for flow controlpoints and rangesSuitable for temperatures of -20C to 200CChange master air handlingUp to 15% HVAC energy Can be used with water, steam, water based liquids, oil and gastemperature signalStage compressors and chillers Up to 10% HVAC energyPlant controls Optimise hot water, chiller andUp to 15% HVAC energycondenser water temperature setsReset duct static air pressure Up to 30% of energy used by fans4992795 in BSPP F-F serving ducts 4992802 in BSPP F-F Retrot electronic expansion valves toUp to 15% compressor energy 4992818 1in BSPP F-F compressors 4992824 1 in BSPP F-F Ventilation and airUse outdoor air directly for coolingUp to 20% compressor energy RS PRO Black Rubber Pipe Insulation FLAGTEXT TRV4 Thermostatic Valve FLAGTEXTFully flexible rubber Class 0 pipe insulationBi-directional flow capability - suitable for flow or ow (economy cycle) supplied in 2m lengths (Price per pack) return with the head either vertical or horizontalSuitable for frost protection, energyAngle pattern thermostatic radiator valve Use night purge Up to 20% compressor energy duringconservation and pipeline protection with integrated sensing headLarger diameters and grey versions also in BSP with non-sticking valve internalsstart-up available, please visit the RS websiteUse demand control ventilation forUp to 20% fan energy in occupied carbon dioxide and carbon monoxidespaces and 80% in carparkscontrol Variable speedSet up variable secondary chilled waterUp to 30% on secondary chilled water controls pumping energy useInstall variable speed drives (VSDs) onUp to 30% of fan energycondenser fansInstall VSDs on water pumps for waterUp 30% chilled water pump energycooled condensers 486025 15mm ID, 25mm wall, 5 packIRTJJE250154486081 22mm ID, 19mm wall, 5 packIRTJJE190224Best practice andAdopt an integrated energyUp to 50% total energy486053 22mm ID, 25mm wall, 3 packIRTJJE250223maintenance management plan 486057 28mm ID, 19mm wall, 5 packIRTJJE190284 3121712 +10 to +30C07 05 090Train sta in energy mamangement Up to 10% total energy practices nz.rs-online.comCarry out regular maintenance Up to 20% HVAC energy 31'