Mitsubishi Electric EHGT17D-YM9ED Service Manual page 77

SW2 setting
Discharge superheat on error occurring
SHd
0 to 255
ON
Heating = TH4−T
1 2 3 4 5 6
Sub cool on error occurring SC
0 to 130
Heating = T
ON
1 2 3 4 5 6
Thermo-on time until error stops
0 to 999
ON
1 2 3 4 5 6
Pressure saturation temperature (T
Indoor pipe temperature/Cond./ Eva.
ON
(TH5 (3))
Indoor 3
1 2 3 4 5 6
−39 to 88
Comp. surface temperature (TH33)
−52 to 221
ON
1 2 3 4 5 6
Controlling status of compressor
operating frequency
ON
1 2 3 4 5 6
OCH722A
Display detail
63HS
−TH2
63HS
)/
63HS
77
The black square (
Explanation for display
0 to 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 s
0 to 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 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
4
−39 to 88
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
When there is no indoor unit, "00" is displayed.
−52 to 221
(When the temperature is 0: or less, "–" and tem-
perature are displayed by turns.)
(When the discharge thermistor detects 100°C or
more, hundreds digit, tens digit, and ones digit are
displayed by turns.)
(Example) When 105:;
0.5 s
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 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 heat sink
■
) indicates a switch position.
0.5 s 2 s
1 50
0.5 s 2 s
1 15
0.5 s 2 s
15
0.5 s 2 s
1 05
LED
1a
Unit
:
:
Minute
:
:
Code
display