SW2 setting
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
Pipe temperature/Liquid of Fixed speed
compressor circuit (TH32)
−40 to 90
ON
1
2 3 4 5 6
Suction pipe of Fixed speed compressor
circuit (TH35)
-40 to 90
ON
1
2 3 4 5 6
OCH816
Display detail
The black square (
Explanation for display
−52 to 221
(When the temperature is 0°C 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°C;
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
-40 to 90
(When the coil thermistor detects 0°C or below, "-"
and temperature are displayed by turns.)
(Example) When -15°C;
0.5 s
-40 to 90
(When the coil thermistor detects 0°C or below, "-"
and temperature are displayed by turns.)
(Example) When -15°C;
0.5 s
68
■
) indicates a switch position.
0.5 s
2 s
1
05
LED
1a
0.5 s
2 s
15
0.5 s
2 s
15
Unit
°C
Code
display
°C
°C