[Equest-users] User Expression referencing Zone at system level

[Jones, Christopher]

I am not so sure you can reference children in the Keyword expressions. The DOE2.2 manual does not mention child referencing. I know you can reference child components using the Compliance Analysis modules - see the ComplianceAnalysis manual but not all those commands are available in the .inp Keyword expressions. For a single zone system, the SUPPLY-FLOW is the zone ASSIGNED-FLOW times the SIZING-RATIO. ASSIGNED-FLOW (times system SIZING-RATIO) in the zone takes precedence over supply flow keywords in the system. You might do testing querying the SYSTEM SUPPLY-FLOW with ASSIGNED-FLOW set in the zone and no system supply flow specified at the SYSTEM level.

Christopher R Jones, P.Eng.
T+ 1 416-644-0252

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From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Krystyniak, Patrick via Equest-users
Sent: Thursday, April 25, 2019 10:50 AM
To: equest-users at onebuilding.org
Subject: [Equest-users] User Expression referencing Zone at system level

I am looking to utilize a user expressions that will calculate the kW/CFM for a given system.  Each system is a single zone system.

Is it possible to reference the zone "Assigned-Flow" in a user expression at the system level?

I am unsure if you are able to reference a child component..  I receive an error trying something along the lines of #CR("ZONE","ASSIGNED-FLOW").

Thanks





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