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Having trouble?
Nothing appears in the wireless remote controller display, the display
is faint, or signals are not received by the indoor unit unless the remote
controller is close.
The operation lamp near the receiver for the wireless remote controller on
Item
Power source
Cooling capacity/Heating capacity
Tonnage
Height
Dimensions
Width
Depth
Net weight
Fan
Sound Pressure (Low-Mid-High)
Upper limit
Cooling
Lower limit
Upper limit
Heating
Lower limit
6
Model
MVZ-A12AA7
Btu/h
12,000 / 13,500
3.5 / 4.0
1
mm [in]
mm [in]
mm [in]
CFM
280 - 340 - 400
in. WG
[Pa]
[dB]
27 - 31 - 35
Indoor
95 °F [35 °C] D.B.
71 °F [21.7 °C] W.B.
67 °F [19.4 °C] D.B.
57 °F [13.9 °C] W.B.
80 °F [26.7 °C] D.B.
–
70 °F [21.1 °C] D.B.
–
Here is the solution. (Unit is operating normally.)
The indoor operation sound level is affected by the acoustics of the
particular room as shown in the following table and will be higher than
High sound
absorbing rooms
Broadcasting
Location
studio, music
examples
room, etc.
Noise levels
3 to 7 dB
The batteries are low.
Replace the batteries and press the Reset button.
the batteries are installed in the correct directions (+, –).
The self diagnosis function has operated to protect the air conditioner.
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure
to provide the dealer with the model name.
Small Cabinet
MVZ-A18AA7
MVZ-A24AA7
208/230V, 1-phase, 60Hz
18,000 / 20,000
24,000 / 27,000
5.3 / 5.9
7.0 / 7.9
1.5
2
1275 [50-1/4]
432 [17]
548 [21-5/8]
51 [113]
410 - 497 - 585
515 - 625 - 735
0.30 - 0.50 - 0.80
75 - 125 - 200
28 - 32 - 36
30 - 34 - 38
Low sound
Normal rooms
absorbing rooms
Reception room,
hotel lobby, etc.
room
6 to 10 dB
9 to 13 dB
Medium Cabinet
MVZ-A30AA7
MVZ-A36AA7
30,000 / 34,000
36,000 / 40,000
8.8 / 10.0
10.6 / 11.7
2.5
3
1378 [54-1/4]
534 [21]
64 [141]
613 - 744 - 875
767 - 931 - 1095
32 - 36 - 40
35 - 39 - 43
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