Easy Maintenance Function [This Function Only For A-Control] - Mitsubishi Electric Mr.Slim PKA-A·KA4 Installation Manual

8. Easy maintenance function [This function only for A-control]

Display example (Comp discharge temperature 147°F)
A
D
(1) Press the TEST button for three seconds to
activate the maintenance mode.
(2) Press the TEMP. buttons to set the refrigerant address.
(3) Select the data you want to display.
Cumulative
Compressor
information operation time
COMP ON
Display
MENU
x10 HOURS
Heat exchanger
Outdoor unit
temperature
information
OUTDOOR UNIT
Display
H·EXC. TEMP
ON/OFF
Indoor room
Indoor unit
temperature
information
INDOOR UNIT
Display
INLET TEMP
* The filter operation time displayed is the number of hours the filter has been
used since the filter reset was performed.
(4) Press the button.
FILTER
(5) The data is displayed in .
Display
* Repeat steps (2) to (5) to check another date.
(6) Press the button for three seconds or press the
TEST
to deactivate the maintenance mode.
14
C B
Maintenance mode operation procedures
MAINTENANCE
Display
Display
Operation
ON/OFF
number current
COMP ON COMP ON
x100 TIMES
CURRENT (A)
Outdoor ambient
Comp discharge
temperature
temperature
OUTDOOR UNIT
OUTDOOR UNIT
OUTLET TEMP OUTDOOR TEMP
Heat exchanger Filter operation
time
temperature
INDOOR UNIT
INDOOR UNIT
H·EXC. TEMP
FILTER USE H
(Airflow temperature display example)
Flashing
Approx.
Waiting for 147°F
10 sec.
response
button
ON/OFF
Only for wired remote controller.
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
compressor 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
operation 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.
Stable operation
Using the maintenance mode, the operation frequency can be fixed and the
operation can be stabilized. If the air conditioner is stopped, use the following
procedure to start this operation.
Press the button to select the operation mode.
MODE
Stable cooling
operation
COOL
Display
STABLE MODE
Press the FILTER button.
Waiting for stable
operation
Display
* You can check the data using steps (3) to (5) of the maintenance mode
operation procedures while waiting for the stable operation.
Stable operation
Stable heating
cancellation
operation
HEAT STABLE MODE
STABLE MODE
CANCEL
Stable
operation
10-20 min.