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7. Trouble Shooting
Having trouble?
Noise is louder than specifications.
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 the indoor unit is flashing.
The wireless remote controller does not operate (the indoor unit beeps
4 times).
8. Specifications
Model
Power source
Input (Indoor only)
kW
Current (Indoor only)
Airflow (Lo-Mid-Hi) *1
CMM
External static pressure
*2
Noise level (Lo-Mid-Hi)
dB (A)
Dimension (H×W×D) *3
mm
Weight
Notes: 1. The airflow rate is measured according to the JIS standard.
2. The external static pressure is set to 25 Pa at factory shipment.
3. The values in () show the height of unit with leg.
4. Pipe covers (metal parts) are excluded.
5. Specifications subject to change without notice.
12
SFZ-M25VA
0.041
A
0.44
5.5-7-9
Pa
0/25/40/60
25-29-35
615(690)/
797(700 *4)/200
kg
19
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
the noise specification, which was measured in an echo-free room.
Location
examples
Noise levels
■ The batteries are low.
Replace the batteries and press the Reset button.
■ If nothing appears even after the batteries are replaced, make sure
that 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.
■ Switch the auto mode setting to the AUTO (single set point) mode or
AUTO (dual set point) mode. For details, refer to the included Notice (A5
sheet) or the Installation Manual.
SFZ-M35VA
SFZ-M50VA
~N, 230 V, 50 Hz/220-230 V, 60 Hz
0.044
0.072
0.44
0.61
7-9-11
10-12.5-15
0/25/40/60
0/25/40/60
25-29-33
30-35-39
615(690)/
615(690)/
997(900 *4)/200
997(900 *4)/200
22.5
22.5
High sound-
absorbing
Normal rooms
rooms
Broadcasting
Reception
studio, music
room, hotel
room, etc.
lobby, etc.
3 to 7 dB
6 to 10 dB
SFZ-M60VA
0.078
0.64
12-15-18
0/25/40/60
30-35-39
615(690)/
1197(1100 *4)/200
1197(1100 *4)/200
26
Low sound-
absorbing
rooms
Office, hotel
room
9 to 13 dB
SFZ-M71VA
0.095
0.76
12-16-20
0/25/40/60
30-36-42
615(690)/
26
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