MCAC-ATSM-2014-09 Aqua tempo power series tropical air-cooled scroll chiller 50Hz
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2.7 Remote control
Note: (For MGBT-D65W/RN1&MGBT-F250W/RN1)
○
1 .Wiring of “ON/OFF” weak electric port
Corresponding parallel connect the “ON/OFF”(dry contact input signal) port of the main unit’s electric control
box, then, connect the “ON/OFF” signal (provide by user) to the “ON/OFF” port of main unit as follows.
0# electric
control box
“ON/OFF” port
ON/OFF signal
Power (DC 12V)
Main control board is provided
Red
Blue
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2 .Remote mode selection: Wiring of “HEAT/COOL” weak electric port
Corresponding parallel connect the “HEAT/COOL” (dry contact input signal) port of the main unit’s electric
control box, then, connect the “ON/OFF” signal (provide by user) to the “HEAT/COOL” port of main unit as
follows.
0# electric
control box
“HEAT/COOL” port
ON/OFF signal
Power (DC 12V)
Main control board is provided
Brown
Black
○
3 .Wiring of “ALARM” port
Connect the device provided by user to the “ALARM” (dry contact output signal) ports of the module units as
follows.
electric control box
“ALARM” port
Device provided
by user
Red
Red
If the unit is operating normally, the ALARM port is closed, otherwise, the ALARM port is not closed.
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