Service manual

53
SW2 setting
Display detail
Explanation for display Unit
:
0 – 255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
(Example) When 150°C;
0.5 secs. 0.5secs. 2 secs.
Sub cool on error occurring SC
0 – 130
Cooling = T
63HS - TH3
Heating = T63HS - TH2
0 – 130
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
(Example) When 115°C;
0.5 secs. 0.5secs. 2 secs.
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.
Indoor pipe temperature / Liquid
(TH2 (3))
Indoor 3
-39 – 88
-39 – 88
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
Indoor pipe temperature / Cond./ Eva.
(TH5 (3))
Indoor 3
-39 – 88
-39 – 88
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
When there is no indoor unit, “00” is displayed.
50
1
:
1
ON
23456
Discharge superheat on error occurring
SHd
0 – 255
Cooling = TH4 - T
63HS
Heating = TH4 - T63HS
1
ON
23456
1
ON
23456
1
ON
23456
1
ON
23456
:
Minute
:
15
1
15
4
The black square ( ) indicates a switch position.
Controlling status of compressor operat-
ing frequency
1
ON
23456
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
OCH525