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1-3. Parts list
The package contains the following parts.
1.
AT-50A
2.
Mounting bracket
3.
M4.1 wood screws × 16 *1 (Use to attach the mounting bracket to a wall.)
4.
M4 Roundhead cross slot screws × 30 *1 (Use to attach the mounting bracket to an electric box.)
5.
M4 roundhead screws with spring washers/washers × 20
(Use to attach the mounting bracket to the controller.) *1
6.
Installation Manual (This manual)
7.
Instruction Book
8.
CD-ROM (Instruction Book, Installation Manual)
*1 ISO metric screw thread
1-4. Product specifications
1. Specifications
Power source
Operating conditions
Weight
External dimensions (W x H x D)
*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
Front (with the cover on)
Power LED
Touch panel
1-5. System diagram
1. System configuration
Main SC
Advanced Touch
*1
Controller
Model:
AT-50A [201]
M-NET
Outdoor unit
[051]
TB7
TB3
M-NET
Outdoor unit
[056]
TB7
TB3
ON/OFF remote controller
Model: PAC-YT40ANRA
®
Mr. Slim
outdoor unit
[11]
MA
Parts
30VDC *1
(for connection to M-NET only)
Operating temperature range
Temperature
Storage temperature range
Humidity
30%~90%RH (Non-condensing)
0.5 kg [1-1/8 lbs.]
180 x 120 x 30 mm 7-3/32 x 4-23/32 x 1-3/16 in
Front (cover off)
For connection to the M-NET
(A, B: Terminal for connection to
the M-NET cable [non-polarized])
Power supply unit for transmission cable
(sold separately)
Model: PAC-SC51KUA
M-NET
Group 1
[001]
[002]
MA
R2
BC controller
[057]
[006]
[106]
ME
[202]
®
Mr. Slim
outdoor unit
M-NET
adapter
[12]
Group 4
Group 5
MA
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."
0˚C~40˚C [32˚F~104˚F]
-20˚C~+70˚C [-4˚F~+158˚F]
Back
External input
adapter cable
access hole
Group 2
[003]
[004]
[005]
MA
Group 3
[007]
[008]
[009]
MXZ
M-NET
[13]
Interface
[14]
– 3 –
Qty.
1
1
4
2
2
1
1
1. AT-50A
1
Bottom
SD memory slot
(for program updates)
External output
adapter cable
access hole
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.
LOSSNAY
unit
• Provide a single ground point
(class D) by grounding the shield
[010]
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
outdoor unit connected to the M-
unit
NET cable is set to ON.
Refer to the outdoor unit
Installation Manual for detailed
information about dip switch
Group 6
settings.
2. Mounting bracket
Controller cover
mounting screw
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