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1-3. Parts list
The package contains the following parts.
1-4. Product specifications
1. Specifications
*1 Not for use with a generic DC power supply device. Use the power supply unit for transmission line (PAC-SC51KUA etc.) by Mitsubishi.
*2 "Power consumption Coefficient" is a coefficient to calculate the relative power consumption of the devices that receive power through the M-NET
transmission line. Refer to the note at the end of section 1-5 "System diagram."
2. Unit Components and Functions
1-5. System diagram
1. System configuration
*1 ISO metric screw thread
Power source
30VDC *1
(for connection to M-NET only)
Receives power from the power supply unit for transmission line or
from outdoor units via the M-NET transmission cable. The power
consumption coefficient*2 of AT-50A is "4."
Operating conditions
Temperature
Operating temperature range
0˚C~40˚C [32˚F~104˚F]
Storage temperature range
-20˚C~+70˚C [-4˚F~+158˚F]
Humidity
30%~90%RH (Non-condensing)
Weight
0.5 kg [1-1/8 lbs.]
External dimensions (W x H x D)
180 x 120 x 30 mm 7-3/32 x 4-23/32 x 1-3/16 in
Front (with the cover on)
Front (cover off)
Back
Bottom
Parts
Qty.
1.
AT-50A
1
2.
Mounting bracket
1
3.
M4.1 wood screws × 16 *1 (Use to attach the mounting bracket to a wall.)
4
4.
M4 Roundhead cross slot screws × 30 *1 (Use to attach the mounting bracket to an electric box.)
2
5.
M4 roundhead screws with spring washers/washers × 20
(Use to attach the mounting bracket to the controller.) *1
2
6.
Installation Manual (This manual)
1
7.
Instruction Book
1
8.
CD-ROM (Instruction Book, Installation Manual)
1
2. Mounting bracket
1. AT-50A
Power LED
Touch panel
For connection to the M-NET
(A, B: Terminal for connection to
the M-NET cable [non-polarized])
External output
adapter cable
access hole
External input
adapter cable
access hole
Controller cover
mounting screw
SD memory slot
(for program updates)
TB7
TB3
ME
MA
MA
R2
TB7
TB3
MA
MA
[051]
[001]
[106]
[006]
[007]
[008]
[009]
[010]
[056]
[057]
[002]
[003]
[004]
[005]
[11]
[12]
[13]
[14]
M-NET
Main SC
Advanced Touch
Controller
*1
Model:
AT-50A [201]
Power supply unit for transmission cable
(sold separately)
Model: PAC-SC51KUA
Outdoor unit
M-NET
Group 1
M-NET
Outdoor unit
Group 2
Indoor unit
Local remote controller
M-NET transmission cable
MA remote controller cable
Numbers in the parentheses indicate address
numbers.
Note:
• The figure at left only shows the
transmission line connections.
Power supply lines are omitted.
• Provide a single ground point
(class D) by grounding the shield
wire of the M-NET centralized
controller transmission cable at
one of the power supply units.
Provide a ground point for the
indoor-outdoor transmission
cable for each outdoor unit.
• Make sure that the centralized
control switch (SW2-1) on the
outdoor unit connected to the M-
NET cable is set to ON.
Refer to the outdoor unit
Installation Manual for detailed
information about dip switch
settings.
BC controller
Group 3
Group 6
Group 4
Group 5
M-NET
adapter
LOSSNAY
unit
Outdoor
unit
ON/OFF remote controller
Model: PAC-YT40ANRA
[202]
Mr. Slim
®
outdoor unit
Mr. Slim
®
outdoor unit
M-NET
Interface
MXZ