Hi All,

I am simulating a water to water ground source heat pump and I getting a
heat exchanger error. Please see attached. Any info and /or comments I
could get will be so much appreciated.

Also I tried creating the water to water hp using detailed input and
for some reasons I was not able to attached the GS loop to the
condenser side of the WTW hp. I used the following from Nick and Rashmi:

Setting up the 4-pipe system sourced from a closed ground loop:

1. Create a 'chiller' of the type 'water-to-water heat pump'
2. Create an independent circulation loop of the type 'lake/well'
3. Create a ground loop heat exchanger of the type 'lake/well'
4. Select as the chiller CW loop and GLHX circulation loop the
independent loop you created - they should connect without errors
5. Assign a custom temperature schedule for the lake/well ground
loop
in the screen that pops up when you double click the GLHX (read on)
6. Make sure the default head/pump properties for the circulation
loop
and GLHX make sense for your system - adjust as necessary. (i.e. if
it's a
closed ground loop, there shouldn't be static head)

Any kind of input is appreciated.

Thanks,
Adee