Mitsubishi Electric PUHZ-W50VHA2R1 Service Manual page 37

Split-type, air to water heat pump
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SW2 setting
Outdoor heat sink temperature (TH8)
when error occurred.
ON
−40 to 200
1
2 3 4 5 6
Discharge superheat (SHd) when error
occurred.
0 to 255
ON
Cooling and Heating: SHd=TH4−T
1
2 3 4 5 6
Sub cool (SC) when error occurred.
0 to 130
ON
Cooling: SC = T
Heating: SC = T
1
2 3 4 5 6
Compressor operation duration before
the unit stops with error
0 to 999
ON
1
2 3 4 5 6
Maximum frequency when
error occurred
ON
0 to 150
1
2 3 4 5 6
Requested capacity step when error
occurred
ON
0 to 7
1
2 3 4 5 6
Compressor frequency control status
ON
1
2 3 4 5 6
OCH605A
Display detail
63HS
−TH3
63HS
−TH6
63HS
37
The black square (
Explanation for display
−40 to 200
(When the temperature is 0°C or less, "–" and
temperature are displayed by turns.)
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
0 to 255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
(Example) When 150°C;
0.5 s 0.5 s 2 s
0 to 130
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
(Example) When 115°C;
0.5 s 0.5 s 2 s
0 to 999
(When it is 100 minutes or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 415 minutes;
0.5 s 0.5 s 2 s
0 to 150
(When it is 100 Hz or more, hundreds digit, tens
digit and ones digit are displayed by turns.
(Example) When 105 Hz;
0.5 s 0.5 s 2 s
0 to 7
The following code will be a help to know the operat-
ing status of unit.
•Tens place:
Compressor frequency control
Display
Input current restriction control
1
Compressor current restriction control
2
•Ones place (Total figure of the corresponding relays
are displayed.)
Compressor frequency control
Display
Discharge temp.control(not to over rise).
1
Condensing temp.control(not to over rise).
2
Freezing protection control
4
Heat sink temp.control(not to over rise).
8
When the following 3 points are under control;
(1) Input current restriction control.
(2) Condensing temp. control (not to over rise).
(3) Heat sink temp. control (not to over rise).
) indicates a switch position.
1
50
1
15
4
15
1
05
LED
1a
Unit
:
:
:
Minute
Hz
Step
Code
display

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