Mitsubishi Electric SUZ-KA24NAHZ Service Manual page 72

SW2 setting
Discharge superheat on error occurring
SHd
0 to 327
ON
Cooling = [Higher temperature of
1 2 3 4 5 6
Heating = [Higher temperature of
Sub cool on error occurring. SC
0 to 234
Cooling = TH6 - TH3
ON
Heating = TH5 - TH2
1 2 3 4 5 6
Thermo-on time until error stops
0 to 999
ON
1 2 3 4 5 6
Indoor pipe temperature / Liquid
(TH2 (3))
ON
Indoor 3
−38 to 190
1 2 3 4 5 6
Indoor pipe temperature / Cond./ Eva.
(TH5 (3))
ON
Indoor 3
−38 to 190
1 2 3 4 5 6
Controlling status of compressor
operating frequency
ON
1 2 3 4 5 6
OCH754A
Display detail
TH4 or TH32] −TH6
TH4 or TH32] −TH5
The black square (■) indicates a switch position.
Explanation for display
0 to 327 [0 to 182°C]
(When the temperature is 100˚F or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
Example: When 150˚F ;
0.5 s
0 to 234 [0 to 130°C]
(When the temperature is 100˚F or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
Example: When 115˚F;
0.5 s
0 to 999
(When it is 100 minutes or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Example: When 415 minutes;
0.5 s
−38 to 190 [−39 to 88°C]
(When the temperature is 0˚F [°C] or less, "–" and
temperature are displayed by turns.)
−38 to 190 [−39 to 88°C]
(When the temperature is 0˚F [°C] or less, "–" and
temperature are displayed by turns.)
When there is no indoor unit, "00" is displayed.
The following code will be a help to know the
operating status of unit.
•
The tens digit
Display Compressor operating frequency control
1 Primary current control
Secondary current control
2
•
The ones digit (In this digit, the total number of
activated control is displayed.)
Display Compressor operating frequency control
Preventive control for excessive temp-
1
erature rise of discharge temperature
Preventive control for excessive temp-
2
erature rise of condensing temperature
4
Frost preventing control
Preventive control for excessive temp-
8
erature rise of radiator panel
(Example)
The following controls are activated.
• Primary current control
• Preventive control for excessive tempe-
rature rise of condensing temperature
• Preventive control for excessive tempe-
rature rise of heatsink
72
0.5 s 2 s
1 50
0.5 s 2 s
1 15
0.5 s 2 s
4 15
LED
1a
Unit
˚F [°C]
˚F [°C]
Minute
˚F [°C]
˚F [°C]
Code
display