Nissan 10 tons of hot water temperature of 40 (from 20 ℃ △ t60 ℃) calculated.

Note: 1. Because the prices for gas, fuel and coal are increased, so the parameters in this
table are lower than the actual operation cost indexes and the energy consumption indexes
with them are for reference only.
2.The parameters are the statistic data under the working conditions: the ambient temperature
as 20oC and the testing COP value as 4.0.
3.The temperature rise by 1oC needs to consume 1 kcal heat quantity. 40oC temperature rise
needs 400,000 kcal heat quantity.