ESIE05-03 Test Run and Operation DataPart 4 – Commissioning and Test Run 4–3934513.2 Operation RangeConditions The illustrations in this section are based on the following conditions:P Equivalent piping length: 7.5 mP Level difference: 0 mP Air flow rate: High.Operation range:CoolingThe illustration below shows the operation range.Operation range:HeatingThe illustration below shows the operation range.Outdoor temp.(°C DB)Indoor temp.(°C WB) Allowable range of operation (Pull-down)Operation rangeOutdoor temp.(°C WB)Indoor temp.(°C DB)Operation rangeAllowable range of operation(Warming up)