About Optional Functions - Mitsubishi Electric AE-200A Service Handbook

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[VI Q & A]

[4] About optional functions

No.
Question
1
What is the concept of peak cut control?
2
Does control always begin from the same
group in peak cut control rotation?
3
Is peak cut also possible for another
company's air-conditioning units, lighting,
and other equipment?
4
Is peak cut control possible for a DIDO
controller?
5
What is the control unit for peak cut
control?
6
If the capacity save amount of an outdoor
unit is set to 80%, will electric energy
consumption be reduced to 80%?
7
Is capacity save of outdoor units
supported for all room air-conditioners, A
control Mr. Slim, and MULTI air
conditioners?
8
Is it possible to implement only peak cut
control even though a PI controller is not
connected?
9
Is it possible to connect an electricity
meter to the PI controller and then
perform control according to the peak cut
level within the range of multiple
AE-200/AE-50/EW-50 units?
10
Can the set temperature be changed with
the ME remote controller or MA remote
controller during set temperature ±2°C
(±4°F) control with peak cut control?
11
Why is capacity save with PUMY using
peak cut control not possible?
12
Is it possible to connect a demand
controller to an external input of the
AE-200 and then perform peak cut
control for an AE-50 system?
The concept of peak cut control is to control the operation of the air-conditioning units
to save energy by switching to each group in the operation block in order. (There are
also some functions that cannot be implemented depending on the target
air-conditioning units.)
・ Change the set temperature
・ Switch to fan operation (or forced thermo-OFF operation)
・ Stop
・ Outdoor unit capacity save
Peak cut control (level 0) always performs control regardless of the electric energy
consumption.
Whereas peak cut control (levels 1 to 4) always monitors electric energy
consumption and performs control when the predicted value of average electric
energy in a 30-minute period has exceeded a preset level.
Peak cut control is implemented in both the 30-minute units of 0 to 29 minutes and
30 to 59 minutes so control does not always begin from the same indoor unit group
and same outdoor unit (address that is lowest).
However, since the electric energy reduction request from the power company
becomes a peak cut power level signal of a 30-minute unit and 60-minute unit,
control always begins from the same indoor unit group and same outdoor unit
(address that is lowest).
No, it is not.
The target for peak cut control performed by a AE-200/AE-50/EW-50 system is only
Mitsubishi Electric's air-conditioning units (products incorporating M-NET).
A DIDO controller is not supported for peak cut control.
The control of indoor units is performed for the unit of a group in the operation block.
The control of outdoor units is performed for the unit of an outdoor unit.
The 80% figure for saving is with regard to the maximum frequency of the
compressor.
This does not mean a reduction of the electric energy amount to 80%.
It is not supported for room air conditioners.
Support is possible for the inverter outdoor unit of a MULTI air conditioner.
For the inverter outdoor unit of a Mr. Slim, support for outdoor unit capacity save can
be provided by using peak cut.
It is not supported for PUMY.
If a license is registered, it is possible to use only level 0.
Yes, it is.
Peak cut control using a PI controller can control within the range or up to four
AE-200/AE-50/EW-50 units.
Yes, the set temperature can be changed.
However, if the set temperature is changed during peak cut control, ±2°C (±4°F)
control is performed again for the new temperature.
Also, the set temperature will be the new set temperature after peak cut ends.
Example: 1. Peak cut control (+2°C (±4°F)) starts with cooling at 26°C (79°F).
⇒ Set temperature is 28° C (82° F).
2. Changed to 24°C (75°F) with the remote controller.
⇒ Set temperature is 26° C (79° F).
3. Peak cut ends.
⇒ Set temperature is 24° C (75° F).
This is because even though PUMY is an inverter model, the unit does not support
the capacity save settings.
Yes, it is. Yes. Set the settings as described in the following procedure.
1.
Select [Other AE] in [System Settings] of [Function1] - [Peak Cut Settings] on
the AE-50 Web Browser for Initial Settings.
2.
The IP address input field appears. Enter the IP address of the AE-200 with the
external input connected.
Note: For the AE-200/AE-50 with [Other AE] selected, a delay of up to 1 minute
occurs when starting peak cut control.
86
Answer

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