Midea Aqua Tempo Super Series Manual Download

Page: 122 / 206

MCAC-ATSM-2013-11 Aqua Tempo Power Series (with LAK) air cooled scroll chiller unit (50Hz)

121

8. The use

r’s attempt to repair the controller is prohibited, since improper repair may cause electric shock,

damages to the controller, and so on. If the user has any requirement of repair, please contact the
maintenance center.

12.3.2 Power supply specification

Items

Model

Outdoor power supply

Wiring

Power supply

Manual switch

Fuse

MGCSL-F30W/RN1

MGCSL-D30W/RN1

380~415V 3Ph

～

50Hz

50A

36A

10mm

(<30m)

MGCL-F30W/RN1

MGCL-D30W/RN1

380~415V 3Ph

～

50Hz

50A

36A

10mm

(<30m)

MGBL-F65W/RN1

380~400V 3Ph

～

50Hz

150A

100A

16mm

(<20m)

MGBL-D65W/RN1

380~415V 3Ph

～

50Hz

150A

100A

16mm

(<20m)

MGBL-F130W/RN1

380~400V 3Ph

～

50Hz

200A

150A

Base on the actual distance of the
wire, more than 35 mm

for each

module

MGBL-F200W/RN1

380~400V 3Ph

～

50Hz

400A

350A

According to the actual distance of
wiring,70mm2 or lager for each unit.

MGBL-F250W/RN1

380~400V 3Ph

～

50Hz

450A

300A

According to the actual distance of
wiring,150mm2 or lager for each unit.

12.3.3 Requirements of wiring connection

● No additional control components are required in the electric cabinet (such as relay, and so on), and the
power supply and control wires not connected with the electric cabinet are not allowed to go through the
electric box. Otherwise, electromagnetic interference may cause failure of the unit and control components
and even damages to them, which thus lead to protective failure.

● All cables led to the electrical box should be supported independently but by the electric box.

● The strong current wires generally pass the electrical box, and 220V alternating current may also pass the
control board, so wiring connection should conform to the principle of separation of strong current and weak
current, and the wires of power supply should be kept more than 100 mm away from the control wires.

● Only use 380-415V 3Ph 50Hz rated power supply for the unit, and the maximum allowable range of
voltage is 342V-418V.

● All electric wires must conform to local wiring connection norm. The suitable cables should be connected
to power supply terminal through wiring connection holes at the bottom of the electric cabinet. According to
Chinese standard, the user is responsible for providing voltage and current protection for the input power
supply of the unit.

● All power supplies connected to the unit must pass one manual switch, to ensure that the voltages on all
nodes of electric circuit of the unit are released when the switch is cut off.

●  The  cables  of  correct  specification  must  be  used  to  supply  power  for  the  unit.  The  unit  should  use
independent  power  supply,  and  the  unit  is  not  allowed  to  use  the  same  power  supply  together  with  other
electric  devices,  to  avoid  over-load  danger.  The  fuse  or  manual  switch  of  the  power  supply  should  be
compatible with working voltage and current of the unit. In case of parallel connection of multiple modules,
the  requirements  of  wiring  connection  mode  and  configuration  parameters  for  the  unit  are  shown  in  the
following figure.

● Some connection ports in the electric box are switch signals, for which the user needs to provide power,
and the rate voltage of the power should be 220-230V AC. The user must be aware that all power supplies
they provided should be obtained through power circuit breakers (provided by the user), to ensure that all
voltages on the nodes of the provided power supply circuit are released when the circuit breakers are cut off.

● All inductive components provided by the user (such as coils of contactor, relay, and so on) must be
suppressed with standard resistance-capacitance suppressors, to avoid electromagnetic interference, thus
leading to failure of the unit and its controller and even damages to them.