Case 1) has to schedules, or two bands (tyoe 4 thermostat)
Case 2) should also have two schedules, one for heating and one for cooling. Make sure that the day type, DST, and special holiday also matches. You will not know how to enter the transition period values to match the Type 4 thermostat operation.
Place the zone air temperature values of the two cases side by side on a spread sheet should clearly show the differences.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: migue885@xxxxxxxx
Date: Mon, 22 Oct 2012 12:41:35 +0000
Subject: [EnergyPlus_Support] Thermostat Control vs System Availability Schedule
Hi all,
I tried these two ways to control the air conditioning system:
1) Imposing a Thermostat Schedule. For example, in the winter during office activity 20ºC and 0º during all other times, and in the summer 25ºC and 50 ºC. System Availability Schedule 24h/365days.
2) Imposing a System Availability Schedule defining office times with 1 and all other times 0 with a constant cooling and heating Thermostate setpoint (the same 20ºC/25ºC and office times).
I simulated these two possibilities with the same conditions and the results are different. Does anyone know what could be the reason?
I used HVACtemplate:zone:unitary and HVACtemplate:system:unitaryheatpump:airtoair.
__._,_.___
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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Case 2) should also have two schedules, one for heating and one for cooling. Make sure that the day type, DST, and special holiday also matches. You will not know how to enter the transition period values to match the Type 4 thermostat operation.
Place the zone air temperature values of the two cases side by side on a spread sheet should clearly show the differences.
Dr. Li
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: migue885@xxxxxxxx
Date: Mon, 22 Oct 2012 12:41:35 +0000
Subject: [EnergyPlus_Support] Thermostat Control vs System Availability Schedule
Hi all,
I tried these two ways to control the air conditioning system:
1) Imposing a Thermostat Schedule. For example, in the winter during office activity 20ºC and 0º during all other times, and in the summer 25ºC and 50 ºC. System Availability Schedule 24h/365days.
2) Imposing a System Availability Schedule defining office times with 1 and all other times 0 with a constant cooling and heating Thermostate setpoint (the same 20ºC/25ºC and office times).
I simulated these two possibilities with the same conditions and the results are different. Does anyone know what could be the reason?
I used HVACtemplate:zone:unitary and HVACtemplate:system:unitaryheatpump:airtoair.
__._,_.___
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
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