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[EnergyPlus_Support] Heating is present without any heating demand
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- Subject: [EnergyPlus_Support] Heating is present without any heating demand
- From: "iluminasol33" <iluminasol33@xxxxxxxxx>
- Date: Thu, 26 Apr 2012 20:59:28 -0000
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Dear Forum,
I have tried to search older posts for this problem, but could not find any answer that could help.
I am modeling a building with 7 thermal zones and each of them has a unitary Heat Pump: Air to air with DX cooling coil, DX Heating Coil and a supplementary electric heating coil (system 4 of HVAC System Type Appendix G of Ashrae).
The problem is that the results show that there is heating energy used even if the heating temperature set-points are set below zero so that no heating is needed. I have compared the node temperature of the cooling coil outlet with the supplementary heating coil outlet and there is no difference, meaning that the heating coils are not operating. Also there is no sensible heating load in any zone.
I have no clue of why the results show a small consumption for heating.
Any suggestions?
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