Mitsubishi Electric PUZ-A18NHA4 Service Manual page 84

SW2 setting
Controlling status of compressor
operating frequency
ON
1 2 3 4 5 6
Display detail
The black square (
Explanation for display
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
2 Secondary current control
•
The ones digit (In this digit, the total number of
activated control is displayed.)
Display Compressor operating frequency control
Preventive control for excessive temperature
1
rise of discharge temperature
Preventive control for excessive temperature
2
rise of condensing temperature
4
Frosting preventing control
Preventive control for excessive temperature
8
rise of heatsink
(Example)
The following controls are activated.
• Primary current control
• Preventive control for excessive temper-
ature rise of condensing temperature
• Preventive control for excessive temper-
ature rise of heatsink
84
■
) indicates a switch position.
Unit
Code
display
LED