[Equest-users] AIR/TEMP-CONTROL keyword
Chris Jones
cj at enersave.ca
Fri Feb 22 17:22:06 PST 2013
Staged Capacity DX Cooling and Heating
This modeling capability is only available for P\T\7T systems.
Functionally, die staged-volume system is quite similar
to the packaged variable-volume, variable-temperature system, and
shares its code word.
AIR/TEMP-CONTROL
For the PWT systems only, accepts a code-word specifying die type of
airflow and temperature control employed:
VARIABLE-YOL/TE^IP the default, specifies the common PWT
temperature control strategy.
STAGED-VOLUME specifies die staged-volume strategy described herein.
Did you ever see Sally MacWhorter?
Now Bill you finish this limeric!
At 06:24 PM 22/02/2013, you wrote:
>Content-Language: en-US
>Content-Type: multipart/related;
>
>boundary="_004_90D829482BDEDB4CB264DE5060592B1910431724lightningpathfi_";
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>What is being referred to by the System "AIR/TEMP-CONTROL" keyword
>in the DOE2 help menu, below? Is this the SYSTEM: COOL-CONTROL and
>SYSTEM:HEAT-CONTROL?
>First correct answer wins a limerick on the topic of your choice.
>
>Thanks,
>Bill
>
>COMPRESSOR-TYPE
>Takes a code-word that specifies the compressor speed control
>mechanism; this keyword is intended for use in modeling a packaged
>direct expansion heat pump or air-conditioning that incorporated
>variable speed compressor control: It is suggested that the
>SYSTEM:AIR/TEMP-CONTROL keyword be used for systems which
>incorporate multiple steps or stages of capacity rather than this
>keyword/codeword combination.
>SINGLE-SPEED specifies that the compressor operates at a
>constant speed, and modulates its capacity by cycling on/off. This
>is the default for most system types.
>DUAL-SPEED specifies that the compressor has two
>stages of capacity. This is appropriate for the residential system
>(for RESYS, RESYS2 only). It is suggested that the
>SYSTEM:AIR/TEMP-CONTROL be used for staged capacity systems rather
>than this keyword/codeword combination.
>VARIABLE-SPEED specifies that the compressor can vary its
>speed to exactly match the capacity required. This is applicable to
>RESVVT, PSZ, PVAVS and PVVT systems.
>
><mailto:wbishop at pathfinder-ea.com>
>Senior Energy Engineer 28Jun2012
>
>
>
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>>
Christopher Jones, P.Eng.
Suite 1801, 1 Yonge Street
Toronto, ON M5E1W7
Tel. 416-203-7465
Fax. 416-946-1005
email cj at enersave.ca
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