[Equest-users] connecting auxiliary boilers for the two pipe loop system with chiller heater

Pramod .D d.pramod at setty.com
Tue Jun 2 05:32:14 PDT 2026


Hi eQuest users,

I am working on a project where the project is conditioned using Chiller heater which is connected to 2 pipe FCUs. The loop has two boilers for auxiliary heating. I am not sure how to model this in eQuest. Can anyone guide me on how to model this? I tried doing the 2-pipe loop created for chiller heater as Primary and connected the boiler loop as secondary. But that creates a BDL error. Thanks in advance.

Best,
Pramod
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