Are you asking how to do this in EPlus or in a real system?
The real system normally will not automatically turned around.
In EPlus, if you do not duplicated the heat pmp in the plant, it may not turn around either.
Use a chiller.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: vinay.devanathan@xxxxxxxxx
Date: Tue, 26 Jul 2011 10:54:50 -0400
Subject: [EnergyPlus_Support] Water Source Heat Pump
Does anyone know of a way to deactivate the heating mode heat pump coil alone and keep cooling only?Thank you.Vinay