T1 - coolant temperature in the elevator flow, oC T2 - coolant temperature in the return pipe at the exit from the home, oC dT - temperature difference between coolant flow and return, oC Ta - coolant temperature in flow after mixing, after Lift, oC V1 - volumetric flow of coolant in the elevator supply pipe, m3 M1 - the mass flow of the coolant in the supply pipe to the elevator, t Qo - thermal energy, Gkal ВНР - normal operation period, h ВОС - period of lack of calculation, h НС - emergencies