M-Net Transmission Lines Length - Mitsubishi Electric PAC-SC51KUA Installation Manual

5

M-NET Transmission Lines Length

• Maximum length of M-NET transmission:
• Maximum power feeding length
NOTE
*1: If the remote control cable exceeds 10m (32 ft), the additional length must be added to the total in order to avoid exceeding the
maximum length of the M-NET transmission specification.
Example
Centralized
controller
AG-150A
DC Power
supply
(24VDC)
Length:
max. 50m (164 ft)
1) Maximum length of M-NET transmission line:
1 L1+L2+L3+ 5+ 1+ 2 ( 3)
2 L1+L2+L3+ 5+ 4
3 L1+L2+L4+ 6+ 7 ( 8)
4 2 ( 3) + 1+ 5+L3+L4+ 6+ 7 ( 8)
5 4+ 5+L3+L4+ 6+ 7 ( 8)
2) Maximum power feeding length for the indoor control line:
1 5+ 1+ 2 ( 3) 200m (656 ft)
2 5+ 4
200m (656 ft)
3 6+ 7 ( 8)
200m (656 ft)
3) Maximum power feeding length for the centralized control line:
1 L1
200m (656 ft)*
2 L2 +L3 (L4)
200m (656 ft)
NOTE
If the remote control cable ( 3, 8) does not exceed 10m (32 ft) in length, the length for 3, 8 may not need to be added to the
total length.
*The total length of DC power cable must not exceed 50m (164 ft).
NOTE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide resonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
500m (1640 ft) *1
: 200m (656 ft)
L1 L2
Power L4
supply
unit
L3
PAC-SC51KUA
M-NET transmission line
(Centralized control line)
M-NET transmission line
(Indoor control line)
500m (1640 ft)
500m (1640 ft)
500m (1640 ft)
500m (1640 ft)
500m (1640 ft)
1
Outdoor
unit*
Indoor
unit
Outdoor
3
unit*
M-NET remote controller
Outdoor 5
Indoor
unit*
unit
6
Outdoor
unit*
Indoor
8 unit
M-NET remote controller
* To supply power to the M-NET line from PAC-SC51KUA,
connect the power jumper on outdoor unit to CN41.
- 10 -
2
Indoor Indoor
unit unit
4
Indoor Indoor
unit unit
7
Indoor Indoor
unit unit
CN40 CN41
ON OFF
Outdoor unit