70
SW2 setting
Display detail
Explanation for display
Unit
Thermo-on time until error stops
0 – 999
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. 0.5secs. 2 secs.
LEV-B opening pulse
0 – 480
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. 0.5secs. 2 secs.
LEV-C opening pulse
0 – 480
Pulse
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Minute
Pulse
15
4
The black square ( ) indicates a switch position.
30
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. 0.5secs. 2 secs.
30
1
Controlling status of compressor
operating frequency
1
ON
2 3 4 5 6
Code
display
The following code will be a help to know the
operating status of unit.
Display Compressor operating frequency control
Display Compressor operating frequency control
Primary current control
Secondary current control
1
2
1
4
8
2
•
The tens digit
•
The ones digit (In this digit, the total number of
activated control is displayed.)
Preventive control for excessive temp-
erature rise of discharge temperature
Preventive control for excessive temp-
erature rise of condensing temperature
Frosting preventing control
Preventive control for excessive temp-
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
LED
1
ON
2 3 4 5 6
FTC pipe temperature / liquid (TH2)
-39 – 88
-39 – 88
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
:
Sub cool
0 – 130
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
:
1
ON
2 3 4 5 6
OCH544
