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VRF COP is increasing during summer!!

Hello everyone

I have modeled VRF using E+ but when calculating the cop from the output:variable it seems that its increasing during summer!

Anyone knows why ?

Thanks VRF HEAT PUMP COP (J) January 2.195804987 February 2.683865027 March 2.954294954 April 3.138574206 May 3.438156796 June 3.701257021 July 3.686762991 August 3.614135836 September 3.914780598 October 3.479610967 November 3.215406899 December 2.636814515

VRF COP is increasing during summer!!

Hello everyone

I have modeled VRF using E+ but when calculating the cop from the output:variable it seems that its increasing during summer!

Anyone knows why ?

Thanks VRF HEAT PUMP COP (J) January 2.195804987 February 2.683865027 March 2.954294954 April 3.138574206 May 3.438156796 June 3.701257021 July 3.686762991 August 3.614135836 September 3.914780598 October 3.479610967 November 3.215406899 December 2.636814515