8. Easy maintenance function (For wired remote controller only)

Display example (Comp discharge temperature 147˚F)

DC B

A

PAR-21MAA

By using the maintenance mode, you can display many types of maintenance data on the wired remote controller such as the heat exchanger temperature and com- pressor current consumption for the indoor and outdoor units.

This function can be used whether the air conditioner is operating or not.

During air conditioner operation, data can be checked during either normal opera- tion or maintenance mode stable operation.

*This function cannot be used during the test run.

*The availability of this function depends on the connecting outdoor unit. Refer to the brochures.

Maintenance mode operation procedures

(1) Press the TEST

button for 3 seconds to

Display A

MAINTENANCE

activate the maintenance mode.

 

 

(2) Press the TEMP. buttons to set the refrigerant address.

Display B

(3) Select the data you want to display.

Compressor information

MENU

Outdoor unit information

ON/OFF

Indoor unit information

 

 

 

Cumulative

 

 

ON/OFF

Operation

 

 

 

operation time

 

 

number

 

current

 

 

Display

A

 

COMP ON

 

 

 

COMP ON

 

 

 

 

 

 

 

 

 

 

 

 

 

COMP ON

 

 

 

 

 

 

 

x10 HOURS

 

 

 

x100 TIMES

 

 

 

CURRENT (A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat exchanger

 

Comp discharge

Outdoor ambient

 

 

 

temperature

 

temperature

 

temperature

 

 

Display

A

 

OUTDOOR UNIT

 

 

 

OUTDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR UNIT

 

 

 

 

 

 

H•EXC. TEMP

 

 

 

OUTLET TEMP

 

 

OUTDOOR TEMP

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor room

 

Heat exchanger

Filter operation

 

 

 

temperature

 

temperature

 

time

 

 

Display

 

 

INDOOR UNIT

 

 

 

INDOOR UNIT

 

 

 

 

A

 

 

 

 

 

 

 

INDOOR UNIT

 

 

 

 

 

 

INLET TEMP

 

 

 

H•EXC. TEMP

 

 

FILTER USE H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stable operation

Using the maintenance mode, the operation frequency can be fixed and the op- eration can be stabilized. If the air conditioner is stopped, use the following pro- cedure to start this operation.

*The filter operation time displayed is the number of hours the filter has been used since the filter reset was performed.

(4) Press the FILTER button.

(5) The data is displayed in C .

 

(Airflow temperature display example)

 

 

Display

 

Blinking

 

 

 

 

C

 

 

Approx.

 

 

 

 

Waiting for

147˚F

 

 

 

10 sec.

 

 

 

response

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* Repeat steps (2) to (5) to check another data.

(6) Press the TEST button for 3 seconds or press the

 

ON/OFF button to

 

 

deactivate the maintenance mode.

 

 

Press the

MODE

button to select the operation mode.

 

 

 

 

 

Stable cooling

Stable heating

 

Stable operation

 

 

 

 

 

operation

 

 

 

 

 

 

operation

 

cancellation

 

 

 

Display A

COOL

 

 

 

 

 

 

 

HEAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STABLE MODE

 

 

 

 

 

 

 

 

 

 

STABLE MODE

 

 

 

 

 

 

 

STABLE MODE

 

 

 

 

CANCEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Press the

FILTER

button.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Waiting for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

operation

 

stable operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Display

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10-20 min.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*You can check the data using steps (3) to (5) of the maintenance mode opera- tion procedures while waiting for the stable operation.

12

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Mitsubishi Electronics PCA-A.KA4 Easy maintenance function For wired remote controller only, Stable operation

PCA-A.KA4 specifications

The Mitsubishi Electronics PCA-A.KA4 is an advanced air conditioning unit designed to deliver exceptional comfort and efficiency in various settings. Known for its innovative technology and user-friendly design, this model is a preferred choice for both residential and commercial applications.

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