53
SW2 setting
Display detail
Explanation for display
Unit
The black square ( ) indicates a switch position.
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 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
1a
LED
Indoor pipe temperature/ Cond./ Eva.
(TH5 (4))
−39 to 88
−39 to 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
U9 error details
Code
display
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
Time to current limit activates from com
-
pressor turns ON.
0 to 180
1
ON
2 3 4 5 6
Second
0 to 180
°C
To be shown while error call is deferred.
OCH583