Download Print this page

Mitsubishi Electric E Series Data Book page 83

Air cooled chilling unit
Hide thumbs

Advertisement

5. Wiring Design
(3) Peak-demand control operation
Peak-demand control is a function used to control the power consumptions of the units.
The compressor's maximum operating frequency will be controlled according to the peak-demand control signal.
Set the dip switches on the circuit board as follows to make the settings for the items described in this section.
Press the push switch SWP3 to enable the configuration changes.
Press the push switches SWP1 (↑) or SWP2 (↓) to increase or decrease the value.
When the desired value is displayed, press SWP3 to save the setting value.
Settings table
Rotary
No.
Dip switch setting (SW1)
switch
(SWU3)
ON
1
1
1
2
3
4
5
6
ON
2
1
1
2
3
4
5
6
(4) Remote water temperature or capacity control ratio setting input signal type
When SW2-7 is ON, SW2-8 is OFF and SW2-9 is OFF external analog signals can be used to set the water
temperatures.
When SW2-7 and SW2-8 are ON, external analog signals can be used to set the capacity control ratio.
Analog input type can be selected from the following four types:
4-20 mA
0-10 V
1-5 V
2-10 V
Select SW3-1 and SW3-2 to set the type of analog input signal from a remote location.
Set the dip switches on the circuit board as follows to change the settings.
4-20 mA
1-5 V
0-10 V
2-10 V
* Incorrectly setting SW421 may cause damage to the circuit board.
ON
1
2
3
4
5
6
7
8
9 10
MEES19K040
Setting Item
Peak-demand control signal input
source
7
8
9 10
Maximum peak-demand capacity
7
8
9 10
SW421-1
SW421-2
ON
ON
OFF
ON
OFF
OFF
OFF
OFF
The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF.
Initial
Unit
value
Increments
0
-
100
%
1%
SW3-1
SW3-2
OFF
OFF
ON
OFF
OFF
ON
ON
ON
Setting change from
Setting
an optional remote
Lower
Upper
limit
limit
(PAR-W31MAA)
1
0
2
Not possible
60
100
Not possible
controller
82

Advertisement

loading

  Also See for Mitsubishi Electric E Series

  Related Manuals for Mitsubishi Electric E Series