[EnergyPlus_Support] Ground source heat pump

["ekwtsang" <ekwtsang@xxxxxxxxxxxx>]

Dear all,
I am going to model a hotel building with DHW supply. The proposed 
system is a electric water cooled chiller with cooling tower for 
cooling plant. Whereas, in the heating/hot water plant, heat pump
(not using heat recovery chiller) would draw heat from the 
condensing water system and condensing boiler would be used for 
supporting the remain heating water demand.

My problems are:
1. Can GSHP be used in this case by replacing the ground source heat 
exchanger by cooling tower?
2. Can i model the GSHP with heating mode only?
3. Can GSHP draw heat from condenser loop (With the heat rejected 
from water cooled chiller)?
4. Does anybody have example of such system?
5. Finally, how can i set the operating scheme if i want to use heat 
pump to provide hot water as the required demand, but boiler would 
be on if the rejected heat and heat pump do not able to supply the 
heating demand.

Regards,
Ernest Tsang



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