Modeling VRF without exhaust node

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Hi. all.

I am making the VRF model which 1-way cassette using energy plus.

In this system, the outside air is supplied to the room pass through a cooling and heating coil(This is the same as the existing VRF example in the Energy Plus).

In all existing example model, there must be an exhaust node in ZoneHVAC:EquipmentConnections.

However, I want to make a model without exhaust node, because the actual VRF system uses only outside air and not indoor air.

In other words, the actual VRF system only supplies cool or hot air to the room, but it does not suck indoor air. Is it possible? Thank you.