Mitsubishi Electric LGH-100RX5 -E, Manual

Page: 36 / 107

C-36
7.3 Control Cable Length
●
Maximum power supply cable length (L1 + L2, L1 + L3, L1 + L4 + L5): the longest length of the cable from the power supply
unit or the indoor unit of air conditioner to the farthest terminal cannot be more than 200 m.
●
Maximum distance between ends (L2 + L3 + L5, L2 + L4, or L3 + L4 + L5): the length of cable from end to end of units cannot be more
than 500 m.
●
Remote controller cable length (
R
): The distance between the remote controller and the terminal connected to it cannot be
more than 10 m.
System Example
When using Lossnay remote controller or ME remote controller.
Lossnay M-NET remote controller
(PZ-52SF-E)
Lossnay M-NET
remote controller
(PZ-52SF-E) Lossnay M-NET
remote controller
(PZ-52SF-E)
Lossnay
Lossnay
Transmission
booster
Power supply unit
Lossnay
Lossnay Lossnay
L2
L1
L3 L5
Ground
Centralized remote controller
L4
T
B
2 T
B
3
Lossnay M-NET
remote controller
(PZ-52SF-E) Lossnay M-NET
remote controller
(PZ-52SF-E)
Outdoor unit
Indoor unit Lossnay
Lossnay Lossnay Lossnay
L2 L1
L3
Air conditioner M-NET
remote controller
Ground
Transmission
booster
T
B
2 T
B
3
L3
L5
Notes:
●
Always install the ground cable for the transmission cables by routing the central control system through the power supply
unit, then routing the indoor unit system through the ground terminal on the outdoor unit.
●
If the cable length (
R
) for the remote controller exceeds 10 m, use a cable with a 0.75 mm
2
diameter, but change the section
exceeding 10 m to a cable with a diameter of 1.25 mm
2
to 2.0 mm
2
. Cable length (
R
) exceeding 10m should be included in the “max-
imum power supply cable length” restriction of 200 m and the “maximum distance from ends to ends of units” restriction of 500 m.
●
If the cable exceeds the maximum cable length and overall extended length, voltage will drop and cause the system to mal-
function.