Mitsubishi Electric PUHZ-SW75VAA-SC Service Manual page 52

SW2 setting
Pipe temperature/Liquid (TH3)
−40 to 90
ON
1 2 3 4 5 6
Discharge temperature (TH4)
3 to 217
ON
1 2 3 4 5 6
Output step of outdoor FAN
ON
0 to 10
1 2 3 4 5 6
The number of ON/OFF times of com-
pressor
ON 0 to 9999
1 2 3 4 5 6
Compressor integrating operation times
0 to 9999
ON
1 2 3 4 5 6
Compressor operating current
ON
0 to 50
1 2 3 4 5 6
Compressor operating frequency
0 to 225
ON
1 2 3 4 5 6
Primary LEV opening pulse
0 to 500
ON
Heating: LEV-B
Cooling: LEV-A
1 2 3 4 5 6
Error postponement code history (1)
ON
of outdoor unit
1 2 3 4 5 6
Operation mode on error occurring
ON
1 2 3 4 5 6
OCH651A
Display detail
The black square (
Explanation for display
−40 to 90
(When the coil thermistor detects 0: or below, "–"
and temperature are displayed by turns.)
(Example) When −10:;
0.5 s
3 to 217
(When the discharge thermistor detects 100: or
more, hundreds digit, tens digit and ones digit are
displayed by turns.)
(Example) When 105:;
0.5 s
0 to 10
0 to 9999
(When the number of times is 100 or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
(Example) When 42500 times (425 ×100 times);
0.5 s
0 to 9999
(When it is 100 hours or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 2450 hours (245 ×10 hours);
0.5 s
0 to 50
Note: Value after the decimal point will be truncated.
0 to 255
(When it is 100 Hz or more, hundreds digit, tens
digit and ones digit are displayed by turns.
(Example) When 125 Hz;
0.5 s
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.
(Example) When 150 pulse;
0.5 s
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
"00" is displayed in case of no postponement.
Operation mode of when operation stops due to
error is displayed by setting SW2 like below.
(SW2) ON
1 2 3 4 5 6
52
■
) indicates a switch position.
0.5 s 2 s
10
0.5 s 2 s
1
05
100 times
0.5 s 2 s
4 25
10 hours
0.5 s 2 s
2 45
0.5 s 2 s
1 25
0.5 s 2 s
1 50
Unit
:
:
Step
A
Hz
Pulse
Code
display
Code
display