[EnergyPlus_Support] Crash during switch from heating to cooling!

["christian1855" <christian.schiefer@xxxxxxxxx>]

Hi Mike, Linda,

we are trying to simulate a 4 zone building. Each zone has a low 
temperature radiant system hydronic for heating (winter period) and 
cooling (summer period) and a baseboard heater electric. There is also 
an air loop which serves air at 18°C using direct air systems.
The winter period simulation runs well, but at the same day as the 
schedules turns off the radiant heating system and turns on the 
radiant cooling system, E+ (1.2.1) crashes. OK, now it seems clear the 
cooling part has a problem, but the simulation runs without problems 
for the cooling period only. So there seems to be a problem with the 
switch from heating to cooling. Please, can you take a look at this 
file.
I will put the idf (4ZoneLowRadSys_V01.zip) in the Problem_Submittals 
folder. 

Thanks 
Christian




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