SW2 setting
Display detail
Explanation for display
Unit
46
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.)
Comp. surface thermistor (TH34)
-52 – 221
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
:
1
ON
2 3 4 5 6
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
Description
Display
00
01
02
04
08
U9 error details (To be shown while
error call is deferred.)
Code
display
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 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 heatsink
LED
0 – 480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Pulse
1
ON
2 3 4 5 6
LEV-C opening pulse
0 – 480
:
-52 – 221
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
(When the discharge thermistor detects 100
:
or
more, hundreds digit, tens digit and ones digit are
displayed by turns.)
(Example) When 105
:
;
0.5 secs. 0.5secs. 2 secs.
1
05
Outdoor suction pipe temperature (TH32)
-39 – 88
-39 – 88
(When the temperature is 0°C or less, “–” and
temperature are displayed by turns.)
(Example) When –15°C;
0.5 secs. 0.5secs. 2 secs.
1
ON
2 3 4 5 6
:
15
The black square (
■
) indicates a switch position.
OCH534
