74
OCH737
SW2 setting
1
ON
2 3 4 5 6
Display detail
Explanation for display
Unit
Pipe temperature/Liquid (TH3) on error
occurring
−60 to 91
−60 to 91
(When the coil thermistor detects 0°C or below, “–”
and temperature are displayed by turns.)
(Example) When −15°C;
0.5 s 0.5 s 2 s
°C
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Discharge temperature (TH4) on error
occurring
−52 to 221
Compressor operating current on error
occurring
0 to 50
Error history (1) (latest)
Alternate display of abnormal unit
number and code
Error history (2)
Alternate display of error unit number
and code
−52 to 221
(When the temperature is 100°C or more, the
hundreds digit, tens digit and ones digit are
displayed by turns.)
(Example) When 130°C;
0.5 s 0.5 s 2 s
°C
A
Code
display
Code
display
0 to 50
When no error history,
“ 0 ” and “– –” are displayed by turns.
When no error history,
“ 0 ” and “– –” are displayed by turns.
1
ON
2 3 4 5 6
Thermostat ON time
0 to 999
Test run elapsed time
0 to 120
0 to 999
(When it is 100 minutes or more, the hundreds digit,
tens digit and ones digit are displayed by turns.)
(Example) When 245 minutes;
0.5 s 0.5 s 2 s
0 to 120
(When it is 100 minutes or more, the hundreds digit,
tens digit and ones digit are displayed by turns.)
(Example) When 105 minutes;
0.5 s 0.5 s 2 s
Minute
Minute
15
1
30
2
45
1
05
The black square ( ) indicates a switch position.
