RACA Journal June 2016 - Page 52

Projects ­Month October, November December, January, February Fully charge ice tanks at night Partially charge ice tanks at night 6am-6pm 6am-6pm Chillers in parallel ______ Supply temperature Chillers in parallel ______ Supply temperature Do n’t charge ice tanks at night Yes Discharge ice tanks during day time Generate chilled water for full cooling using two chillers in parallel during daytime ______ Supply temperature Yes Generate chilled water for partial or top up cooling using two chillers in parallel during daytime Generate hot water using heat pump Recovery hot water from chillers ______ Supply temperature Yes Yes ______ -5.0⁰C March, April, May, September ______ 8.0⁰C Yes Yes Yes Yes Yes ______ 8.0⁰C ______ -5.0⁰C June, July, August Yes Yes, Yes Yes ______ 10.0⁰C 50 RACA Journal I June 2016 www.hvacronline.co.za