Controlling Status Of Compressor Operating Frequency; Lev-C Opening Pulse - Mitsubishi Electric PUHZ-HRP71VHA Service Manual

SW2 setting
Controlling status of compressor
operating frequency
ON
1 2 3 4 5 6

LEV-C opening pulse

0~480
ON
1 2 3 4 5 6
OCH425F
Display detail
91
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
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 heatsink
0~480
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
■
) indicates a switch position.
Unit
Code
display
LED
Pulse