Mitsubishi Electric PUHZ-SW50VHA Service Manual download pdf (Page 47)

SW2 setting

23456

Display detail

Explanation for display

Unit

Pipe temperature / Liquid(TH3)

-40 – 90

(When the coil thermistor detects 0°C or below, “–”

and temperature are displayed by turns.)

(Example) When -10°C;

0.5 secs. 0.5secs. 2 secs.

23456

Discharge temperature (TH4)

3 – 217

Output step of outdoor FAN

0 – 10

The number of ON / OFF times of com-

pressor

0 – 9999

Compressor integrating operation times

0 – 9999

3 – 217

(When the discharge thermistor detects 100°C or

more, hundreds digit, tens digit and ones digit are

displayed by turns.)

(Example) When 105°C;

0.5 secs. 0.5secs. 2 secs.

Step

100 times

10 hours

0 – 10

0 – 9999

(When the number of times is 100 or more,

hundreds digit, tens digit and ones digit are

displayed by turns.)

(Example) When 42500 times (425 ×100 times);

0.5 secs. 0.5secs. 2 secs.

0 – 9999

(When it is 100 hours or more, hundreds digit, tens

digit and ones digit are displayed by turns.)

(Example) When 2450 hours (245 ×10 hours);

0.5 secs. 0.5secs. 2 secs.

23456

Compressor operating current

0 – 50

LEV-A opening pulse

0 – 480

0 – 50

wOmit the figures after the decimal fractions.

0 – 480

(When it is 100 pulse or more, hundreds digit, tens

digit and ones digit are displayed by turns.

(Example) When 150 pulse;

0.5 secs. 0.5secs. 2 secs.

Pulse

Error postponement code history (1)

of outdoor unit

Postponement code display

Blinking: During postponement

Lighting: Cancellation of postponement

“00” is displayed in case of no postponement.

Code

display

Code

display

Operation mode on error occurring Operation mode of when operation stops due to

error is displayed by setting SW2 like below.

23456

(SW2)

23456

Compressor operating frequency

0 – 255

(When it is 100Hz or more, hundreds digit, tens

digit and ones digit are displayed by turns.

(Example) When 125Hz;

0.5 secs. 0.5secs. 2 secs.

23456

The black square ( ) indicates a switch position.

OCH525

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Mitsubishi Electric PUHZ-SW50VHA Service Manual Page 47

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