[Equest-users] Strange Winter Cooling with Chiller

[Chris Jones]

Check the LOOP-OPERATION - STANDBY, DEMAND-ONLY, SNAP.
With STANDBY you may see electrical consumption when no system has a load.

At 08:12 AM 31/08/2010, YinRic wrote:
>Hi All,
>
>Have you happened to meet problem with strange cooling in winter 
>when you choose chiller as cooling source?
>
>I have a typical 2-storey office building (with no extraordinary 
>internal cooling load) modelled using eQuest. Whenever I choose 
>"chilled water coils" as cooling source, some cooling energy appears 
>in the "Electric Consumption" graph for Jan and Feb, although the 
>SS-I report indicates no sensible or latent cooling energy in these 
>two months. When I change the cooling source into "DX Coils", the 
>cooling energy in winter simply disappeared.
>
>Attempting to fix the problem, in the "air-side system" window under 
>wizard mode, all I used are default values to avoid wrong inputs, 
>and I chose "no heating" in winter, but the problem still exist.
>
>This is a LEED project approaching deadline. If anyone could help me 
>out, that would be greatly appreciated.
>
>Thanks,
>Rick, LEED AP
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Chris Jones
14 Oneida Avenue
Toronto, ON M5J 2E3.
Tel.  416-203-7465
Fax. 416-946-1005