Wire Connection - McQuay M5RT 90 BR Technical Manual

Wire Connection

• All electrical work must be carried out by qualified electrician and accordance with local supply requirement
and associate regulation.
Method for connecting electric wire
Before connecting the wire, consult the electric power company of jurisdiction.
(1) The entire wiring diagram of unit
a
b PE
c
d
(2) Wiring connection to unit
Route the power supply wires and control wire through the knockout holes in the unit.
Remove the service panels and connect the units power supply wires to terminal block inside the control
box, as shown.
Note:
While installing the circuit breaker onto the unit, make sure that the screws do not damage the components
(e.g. coil) inside the unit.
The switch box also can be installed without attaching to the unit.
The knockout holes are only in M5RT90BR; M5RT120BR; M5RT150BR; M5RT180BR; M5RT210BR;
M5RT250BR comes with a power cable hole.
M5RT90BR
CONTROL
BOX
Terminal block
Power cable
Control wire
Wiring Example And Selection Of Circuit Breaker
Power cable
Model
(mm
M5RT90BR
M5RT120BR
M5RT150BR
10
M5RT180BR 10
M5RT210BR
16
25
M5RT250BR
g
a.
Power supply
b.
Main switch/fuse
f
(field supply)
c. Power supply
e
wiring for unit
Recommended
switch box position
(seal off the knockout holes after installation)
Breaker
2
)
capacity(A)
4 32
6 40
40
50
63
80
d. Unit
e. Remote control
Connection wiring for
f.
unit & remote controller
g. Earth
M5RT120/150/180/210/250BR
Power cable
Control wire
Over current
protection switch (A)
32
40
40
50
63
80
10
CONTROL
BOX
Terminal block
Earth cable
2
(mm )
4
6
10
10
16
25