Mitsubishi Electric E Series Data Book page 88

Air cooled chilling unit
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5. Wiring Design
(9) External temperature sensor control
An optional External temperature sensor (TW-TH16) is required.
Outlet water
External
temperature
sensor 2
(SW2-5 ON)
External temperature sensor 1
Used to control the water temperature of simultaneous operating group.
External temperature sensor 2
The water outlet temperature of each unit in the identical water system group is corrected to bring the water
temperature at the merged section of the outlet water pipes toward the target temperature.
MEES19K040
System
Sub unit
leader unit
SW2-5 ON
SW2-4 ON
SW2-4 ON
Group
Sub unit
leader unit
SW2-4 ON
SW2-4 ON
Group
Sub unit
leader unit
SW2-4 ON
SW2-4 ON
External temperature sensor 1
(SW2-4 ON)
Sub unit
Simultaneous
operating group
SW2-4 ON
Sub unit
Simultaneous
operating group
SW2-4 ON
Sub unit
Simultaneous
operating group
SW2-4 ON
Identical water
system group
87

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