Mitsubishi Electric PUHZ-FRP71VHA Service Manual page 70

SW2 setting
Thermo-on time until error stops
0 – 999
ON
1 2 3 4 5 6
LEV-B opening pulse
0 – 480
ON
1 2 3 4 5 6
LEV-C opening pulse
0 – 480
ON
1 2 3 4 5 6
Controlling status of compressor
operating frequency
ON
1 2 3 4 5 6
FTC pipe temperature / liquid (TH2)
-39 – 88
ON
1 2 3 4 5 6
Sub cool
ON
1 2 3 4 5 6
OCH544
Display detail
The black square ( ) indicates a switch position.
Explanation for display
0 – 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 secs.
0 – 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 130 pulse;
0.5 secs.
1
0 – 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 130 pulse;
0.5 secs.
1
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
Frosting preventing control
Preventive control for excessive temp-
8
erature rise of heatsink
(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
-39 – 88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
0 – 130
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
70
0.5secs. 2 secs.
4 15
0.5secs. 2 secs.
30
0.5secs. 2 secs.
30
LED
Unit
Minute
Pulse
Pulse
Code
display
:
: