Flow Chart: Selecting a control strategy for … · hibernate modes, as well as any off state that...
1
Can the equipment or process be changed to allow energy savings? Is the device power draw in a low-power state high enough that it is cost effective to purchase and implement external control to de-energize when not in use? Is there a software or hardware solution that will force an effective low-power state? Can the device be de-energized when not in use and re-energized without requiring a shutdown or reconfiguration to function? Can the device be de-energized when not in use and re-energized without requiring a shutdown or reconfigura- tion to function? Can the device be de-energized when not in use and re-energized without requiring a shutdown or reconfigura- tion to function? Is the time it takes for the device to reach a ready-to- use state when energized an issue? Re-evaluate if this device can be controlled by a different primary load or if it is a primary load itself. Is the time it takes for the device to reach a ready-to- use state when energized an issue? Is the device power draw high enough that it is cost effective to purchase and implement external control to de-energize when not in use? No additional control for this device is required. No additional control for this device is required. No additional control for this device is required. No additional control for this device is required. No additional control for this device is available. No Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes No No Yes No Yes Yes No No Yes No No Yes Yes Yes Yes Yes No No No Yes Yes Yes No No No Yes Primary Secondary No No No No No Yes Yes Yes Yes Yes Yes No No Device should be controlled by an occupancy control device. Is the device only needed when users are present? Is the device constantly used when users are present? Device should be controlled by a manual on, vacancy off control device. Device should be controlled by an external scheduling control device. Start over at the beginning with the new equipment or process. Does the device have a consistent, predictable use pattern? Can the equipment or process be changed to allow energy savings? Start over at the beginning with the new equipment or process. Start over at the beginning with the new equipment or process. Start over at the beginning with the new equipment or process. Start over at the beginning with the new equipment or process. Implement the built-in, automatic low-power state functionality. Is the time it takes for the device to reach a ready-to-use state from being in a low-power state an issue? Does the device need to be activated and/or accessed remotely? Follow the MELs reduction strategies outlined in Section 2.1, Addressing Miscellaneous Electric Loads. Does the device have reliable built-in functionality to remotely transition from a low-power state to a ready-to-use state? Implement manual control where possible. Provide user education to increase energy use awareness. Does the device have a built-in automatic low-power state? No control available -- Must always be left on. No control available -- Must always be left on. No control available -- Must always be left on. Can the equipment or process be changed to allow energy savings? Device should be controlled by an external scheduling control device. No control available -- Must always be left on. Implement this software or hardware solution. Can built-in auto-scheduling be implemented to have the device consistently ready-to-use when needed? Does the device have a consistent, predictable use pattern? Is there a software or hardware solution that will remotely transition the device from a low-power state to a ready-to-use state? Is the device a primary or secondary piece of equipment? Can the equipment or process be changed to allow energy savings? Can the equipment or process be changed to allow energy savings? Can the equipment or process be changed to allow energy savings? The device should be controlled through a hardware based load sensing control device that senses the primary load and energizes or de-energizes the secondary loads. The device should be controlled through a software based load sensing control device that senses the primary load and energizes or de-energizes the secondary loads. Start over at the beginning with the new equipment or process. This device should be re-evaluated as a primary device. Can built-in auto-scheduling be implemented to have the device consistently ready-to-use when needed? Does the device have a consistent, predictable use pattern? Implement the built-in, automatic low-power state functionality. Is the time it takes for the device to reach a ready-to-use state from being in a low-power state an issue? Can the equipment or process be changed to allow energy savings? Is the device power draw in a low-power state high enough that it is cost effective to purchase and implement external control to de-energize when not in use? Can the device be de-energized when not in use and re-energized without requiring a shutdown or reconfiguration to function? Can the equipment or process be changed to allow energy savings? No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Primary Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No No Is the device only needed when users are present? Is the device constantly used when users are present? Does the device have a consistent, predictable use pattern? Can the equipment or process be changed to allow energy savings? Does the device have a consistent, predictable use pattern? Can built-in auto-scheduling be implemented to have the device consistently ready-to-use when needed? Device should be controlled by the built-in auto-scheduling. Device should be controlled by an external scheduling control device. No control available -- Must always be left on. No control available -- Must always be left on. Start over at the beginning with the new equipment or process. Start over at the beginning with the new equipment or process. Can the equipment or process be changed to allow energy savings? Device should be controlled by an external scheduling control device. Device should be controlled by an occupancy control device. Device should be controlled by a manual on, vacancy off control device. Is the device a primary or secondary piece of equipment? Yes No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Secondary Is the device power draw high enough that it is cost effective to purchase and implement external control to de-energize when not in use? Can the equipment or process be changed to allow energy savings? Can this device be controlled by a control device that has been implemented elsewhere? Start over at the beginning with the new equipment or process. Start over at the beginning with the new equipment or process. Can the equipment or process be changed to allow energy savings? No control available -- Must always be left on. Device should be controlled by a control device that has been implemented for other equipment. Device should be controlled manually. Provide user education on energy efficient operation. This device should be re-evaluated as a primary device. Can this device be energized at the same time that a primary load is energized or transitions from a low-power state? Can this device be de-energized at the same time that a primary load is de-energized or transitions to a low-power state? Re-evaluate if this device can be controlled by a different primary load or if it is a primary load itself. The device should be controlled through a software based load sensing control device that senses the primary load and energizes or de-energizes the secondary loads. Can this device be de-energized at the same time that a primary load is de-energized or transitions to a low-power state? Is the time it takes for the device to reach a ready- to-use state when energized an issue? Is the built-in, automatic low-power state functionality effective? Can this device be de-energized at the same time that a primary load is de-energized or transitions to a low-power state? Can this device be de-energized at the same time that a primary load is de-energized or transitions to a low-power state? Can this device be energized at the same time that a primary load is energized or transitions from a low-power state? No Yes START HERE Has a control device been implemented for the primary device? This device should be controlled by the control device that was implemented for the primary device. No Yes The device should be controlled through a hardware based load sensing control device that senses the primary load and energizes or de-energizes the secondary loads. Yes Has a control device been implemented for the primary device? This device should be controlled by the control device that was implemented for the primary device. No Yes Secondary Device Primary Device Occupancy Control Device Manual Control Mutual On, Vacancy Off Control Device Low Power State Load Sensing Control Device – Software Based Load Sensing Control Device – Hardware Based External Scheduling Control Device Energized De-energized Auto-Scheduling Designates re-evaluating a secondary device as a primary device. Designates a change in equipment or process that requires a complete re-evaluation from the beginning of the flow chart. Designates when a control strategy is not available for the device in question. Designates the recommended control strategy for the device in question. Designates the implementation of built-in functionality for the device in question. Refers to a device whose operation is dependent on the operation of other (primary) devices. A computer monitor, or other peripherals, are examples of secondary devices. Refers to a device whose operation is independent of the operation of other (secondary) devices. A computer is an example of a primary device. Refers to a control device that automatically energizes or de-energizes electrical outlets based on occupancy. Refers to controlling the equipment by using built-in power buttons, shutdown procedures, or, through the use of a control device that energizes and de-energizes electrical outlets based on manual input only. Refers to a control device that energizes electrical outlets only on manual input and automatically de-energizes electrical outlets based on vacancy of a space. Refers to a power state that is between a de-energized state (or any other true zero power draw states) and a ready-to-use state. This state includes standby, sleep, or hibernate modes, as well as any off state that has a parasitic power draw. Refers to a control device that automatically energizes and de-energizes electrical outlets based on the power load of the attached devices. The load sensing is performed on an electrical outlet or an auxiliary port (USB in the case of a computer). This is done centrally with computer software to analyze the load. Refers to a control device that automatically energizes and de-energizes electrical outlets based on the power load of the attached devices. The load sensing is performed on an electrical outlet or an auxiliary port (USB in the case of a computer). This is done locally with hardware (e.g. MELs Control Power Strips) to analyze the load. Refers to a control device that automatically energizes and de-energizes electrical outlets based on user defined schedules. Refers to the state when electricity is not being supplied to the device. This is analo- gous to the state when the device power cord is physically unplugged from a stan- dard electrical outlet. Refers to the state when electricity is not being supplied to the device. This is analo- gous to the state when the device power cord is physically unplugged from a standard electrical outlet. Refers to built-in automatic functionality that will allow a device to transition between power states based on set schedules to account for the time it takes to become usable. NOTE: All control strategies must allow manual override or bypass of the control. Legend MELs Control Selection Process Designates when additional control for the device in question is not needed.
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Transcript of Flow Chart: Selecting a control strategy for … · hibernate modes, as well as any off state that...
Can the equipment or process be changed to allow energy savings?
Is the device power draw in a low-power state high enough
that it is cost effective to purchase and implement
external control to de-energize when not in use?
Is there a software or hardware solution that will force an effective
low-power state?
Can the device be de-energized when not in
use and re-energized without requiring a
shutdown or reconfiguration to function?
Can the device be de-energized when not in
use and re-energized without requiring a
shutdown or reconfiguration to function?
Can the device be de-energized when not in
use and re-energized without requiring a
shutdown or reconfiguration to function?
Is the time it takes for the device to reach a ready-touse state when energized
an issue?
Re-evaluate if this device can be controlled by a
different primary load or if it is a primary load itself.
Is the time it takes for the device to reach a ready-touse state when energized
an issue?
Is the device power draw high enough that it is cost effective to purchase and
implement external control to de-energize
when not in use?
No additional control for this device is required.
No additional control for this device is required.
No additional control for this device is required.
No additional control for this device is required.
No additional control for this device is available.
No
Yes Yes
No
Yes
No Yes
YesYesYesYesYesYesYes
No
No
Yes
No
Yes
Yes
No No
Yes
No
No Yes
Yes
Yes
Yes
Yes
NoNo
No
YesYesYes
No
No
No
Yes
Primary
SecondaryNo No No No NoYesYes
Yes
Yes
Yes
Yes No
No
Device should be controlled by an
occupancy control device.
Is the device only needed when users are present?
Is the device constantly used when users are
present?
Device should be controlled by a manual on, vacancy off control device.
Device should be controlled by an external
scheduling control device.
Start over at the beginning with the new equipment or process.
Does the device have a consistent, predictable
use pattern?
Can the equipment or process be changed to allow energy savings?
Start over at the beginning with the new equipment or process.
Start over at the beginning with the new equipment or process.
Start over at the beginning with the new equipment or process.
Start over at the beginning with the new equipment or process.
Implement the built-in, automatic low-power
state functionality.
Is the time it takes for the device to reach a
ready-to-use state from being in a low-power
state an issue?
Does the device need to be activated and/or
accessed remotely? Follow the MELs reduction
strategies outlined in Section 2.1, Addressing Miscellaneous
Electric Loads.
Does the device have reliable built-in functionality to remotely transition from
a low-power state to a ready-to-use state?Implement manual control
where possible. Provide user education to increase energy
use awareness.
Does the device have a built-in automatic low-power state?
No control available --Must always be left on.
No control available --Must always be left on.
No control available -- Must always be
left on. Can the equipment or process be changed to allow energy savings?
Device should be controlled by an external
scheduling control device.
No control available --Must always be left on.
Implement this software or hardware solution.
Can built-in auto-scheduling be
implemented to have the device consistently
ready-to-use when needed?
Does the device have a consistent, predictable
use pattern?
Is there a software or hardware solution that will
remotely transition the device from a low-power
state to a ready-to-use state?
Is the device a primary or secondary piece of
equipment?
Can the equipment or process be changed to allow energy savings?
Can the equipment or process be changed to allow energy savings?
Can the equipment or process be changed to allow energy savings?
The device should be controlled through a hardware based load
sensing control device that senses the primary load
and energizes or de-energizes the secondary loads.
The device should be controlled through a software based load
sensing control device that senses the primary load
and energizes or de-energizes the secondary loads.
Start over at the beginning with the new equipment or process.
This device should be re-evaluated as a primary device.
Can built-in auto-scheduling be
implemented to have the device consistently
ready-to-use when needed?
Does the device have a consistent, predictable use
pattern?
Implement the built-in, automatic low-power
state functionality.
Is the time it takes for the device to reach a
ready-to-use state from being in a low-power
state an issue?
Can the equipment or process be changed to allow energy savings?
Is the device power draw in a low-power state high enough
that it is cost effective to purchase and implement
external control to de-energize when not in use?
Can the device be de-energized when not in
use and re-energized without requiring a
shutdown or reconfiguration to function?
Can the equipment or process be changed to allow energy savings?
No
NoNo No
No No
No
No NoYes
Yes
Yes
Yes
Yes Yes
Yes
Yes Yes
Primary
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Is the device only needed when users are
present? Is the device constantly
used when users are present?
Does the device have a consistent, predictable
use pattern?
Can the equipment or process be changed to allow energy savings?
Does the device have a consistent, predictable
use pattern?
Can built-in auto-scheduling be
implemented to have the device consistently
ready-to-use when needed? Device should be controlled by the built-in
auto-scheduling.
Device should be controlled by an external
scheduling control device.
No control available -- Must always be
left on.
No control available --Must always be left on.
Start over at the beginning with the new equipment
or process.
Start over at the beginning with the new equipment
or process.
Can the equipment or process be changed to allow energy savings?
Device should be controlled by an external
scheduling control device.
Device should be controlled by an
occupancy control device.
Device should be controlled by a manual on, vacancy off control
device.
Is the device a primary or secondary piece of
equipment?
Yes
No
No No
No
No
No
No
No
No
Yes Yes
Yes
Yes
Yes
Yes
Yes
Secondary
Is the device power draw high enough that it is cost effective to purchase and
implement external control to de-energize
when not in use?
Can the equipment or process be changed to allow energy savings?
Can this device be controlled by a control device that has been
implemented elsewhere?
Start over at the beginning with the new equipment
or process.
Start over at the beginning with the new equipment
or process.
Can the equipment or process be changed to allow energy savings?
No control available --Must always be left on.
Device should be controlled by a control device that has been
implemented for other equipment.
Device should be controlled manually.
Provide user education on energy efficient operation.
This device should be re-evaluated as a primary device.
Can this device be energized at the same time
that a primary load is energized or transitions from a low-power state?
Can this device be de-energized at the same time that a primary load is de-energized or transitions
to a low-power state?
Re-evaluate if this device can be controlled by a
different primary load or if it is a primary load itself.
The device should be controlled through a software based load
sensing control device that senses the primary load
and energizes or de-energizes the secondary loads.
Can this device be de-energized at the same time that a primary load is de-energized or transitions
to a low-power state?
Is the time it takes for the device to reach a ready-
to-use state when energized an issue?
Is the built-in, automatic low-power
state functionality effective?
Can this device be de-energized at the same time that a primary load is de-energized or transitions
to a low-power state?
Can this device be de-energized at the same time that a primary load is de-energized or transitions
to a low-power state?
Can this device be energized at the same time
that a primary load is energized or transitions from a low-power state?
No
Yes
START HERE
Has a control device been implemented for
the primary device?
This device should be controlled by the control
device that was implemented for the
primary device.
No
Yes
The device should be controlled through a hardware based load
sensing control device that senses the primary load
and energizes or de-energizes the secondary loads.
Yes Has a control device
been implemented for the primary device?
This device should be controlled by the control
device that was implemented for the
primary device.
No
Yes
Secondary Device
Primary Device
Occupancy Control Device
Manual Control
Mutual On, Vacancy Off Control Device
Low Power State
Load Sensing Control Device – Software Based
Load Sensing Control Device – Hardware Based
External Scheduling Control Device
Energized
De-energized
Auto-Scheduling
Designates re-evaluating a secondary device as a primary device.
Designates a change in equipment or process that requires a complete re-evaluation from the beginning of the flow chart.
Designates when a control strategy is not available for the device in question.
Designates the recommended control strategy for the device in question.
Designates the implementation of built-in functionality for the device in question.
Refers to a device whose operation is dependent on the operation of other (primary) devices. A computer monitor, or other peripherals, are examples of secondary devices.
Refers to a device whose operation is independent of the operation of other (secondary) devices. A computer is an example of a primary device.
Refers to a control device that automatically energizes or de-energizes electrical outlets based on occupancy.
Refers to controlling the equipment by using built-in power buttons, shutdown procedures, or, through the use of a control device that energizes and de-energizes electrical outlets based on manual input only.
Refers to a control device that energizes electrical outlets only on manual input and automatically de-energizes electrical outlets based on vacancy of a space.
Refers to a power state that is between a de-energized state (or any other true zero power draw states) and a ready-to-use state. This state includes standby, sleep, or hibernate modes, as well as any off state that has a parasitic power draw.
Refers to a control device that automatically energizes and de-energizes electrical outlets based on the power load of the attached devices. The load sensing is performed on an electrical outlet or an auxiliary port (USB in the case of a computer). This is done centrally with computer software to analyze the load.
Refers to a control device that automatically energizes and de-energizes electrical outlets based on the power load of the attached devices. The load sensing is performed on an electrical outlet or an auxiliary port (USB in the case of a computer). This is done locally with hardware (e.g. MELs Control Power Strips) to analyze the load.
Refers to a control device that automatically energizes and de-energizes electrical outlets based on user defined schedules.
Refers to the state when electricity is not being supplied to the device. This is analogous to the state when the device power cord is physically unplugged from a standard electrical outlet.
Refers to the state when electricity is not being supplied to the device. This is analogous to the state when the device power cord is physically unplugged from a standard electrical outlet.
Refers to built-in automatic functionality that will allow a device to transition between power states based on set schedules to account for the time it takes to become usable.
NOTE: All control strategies must allow manual override or bypass of the control.
Legend
MELs Control Selection Process
Designates when additional control for the device in question is not needed.
