Energy Saving Control/Peak Cut Control; Energy Saving Control - Mitsubishi Electric G-50A Technical Manual

9.2 Energy Saving Control/Peak Cut Control

9.2.1 Energy saving control

The energy saving control includes the items listed on Table 9-2, and they can be set from the integrated
software for each block freely.
After setting, G-50A conducts energy saving control on to the air conditioning group within the operation
block in a unit of 3 (3/6/9/15/30 minutes) within a 30 minutes not allowing overlapping
In consideration of comfort, it can be set not to apply the set energy saving control
temperature difference between the set and inlet temperature exceeds the temperature difference freely
set (3°C ~ 9°C).
(Setting of ineffective energy saving control by temperature difference)
Control unit Control items
Indoor unit Set temperature
control
Fan (thermostat
OFF) control
Stopping control
Outdoor unit Capacity saving
control
Selecting G-50A for setting target
Select G-50A objective for
energy saving setting.
Batch setting for whole
building is possible.
Selecting indoor unit setting unit
Select block objective for energy
saving control or batch setting
for whole building.
Selecting outdoor unit setting unit
Select unit objective for energy
saving control or batch setting
for whole building.
1
The control time may be overlapped depending on the group numbers inside the block and control time.
2
Energy saving control is applied at the levels 1 ~ 4 regardless of the temperature difference.
3
Controllable only for City Multi air conditioners. (Do not set to Multi-S.)
Table 9-2 Energy saving control items
Cool/dry: +2°C, Heat: –2°C (No control for fan, auto)
* Shifting by ±2°C at control start time, returning to original temp. at control finish.
* When set temp. was changed from local remote controller, browser, G-50A unit or schedule
during temp. control, and the temp. value at control finish differed from that at the start, it
does not return to the state before the control.
Capacity saving 0% control for Free Plan indoor units and A-control Slim indoor units.
Fan operation control for the models before Free Plan.
* When the mode was changed from remote controller, browser, G-50A unit or schedule
during fan mode control, and the mode at control finish was that other than fan mode, it
does not return to the state before the control.
Stopping outdoor unit
* Transmits "STOP" at control start time and returns to the original start/stop state at control
finish.
* When the operation was made from local remote controller, browser, G-50A unit or
schedule during stopping control, and the state at control finish was not stopping, it does
not return to the state before the control.
The maximum value of outdoor unit operating capacity can be controlled to 60%/70%/80%/
3
90% (in 10% unit).
Figure 9-2 TG-2000A energy saving control setting screen
1
the control time.
2
to the block of which
Control detail
Setting control detail and time
Select energy saving control detail
and time of indoor unit.
Setting ineffective temp. difference
for energy saving control
Set ineffective temp. difference for energy
saving control (Ineffective 3 ~ 9°C).
Setting control detail and time
Select energy saving control detail and
time of outdoor unit.
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