Mitsubishi Electric PUZ-HA24NHA1, Service Manual

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79
OCH750A
11
EASY MAINTENANCE FUNCTION
11-1. SMOOTH MAINTENANCE
<PAR-4xMAA ("x" represents 0 or later)>
Refer to "15-9. SMOOTH MAINTENANCE" for operation procedure.
Maintenance data, such as the indoor/outdoor unit’s heat exchanger temperature and compressor operation current can be dis-
played with “Smooth maintenance”.
This cannot be executed during test operation.
Depending on the combination with the outdoor unit, this may not be supported by some models.
Smooth maintenance
Return: RETURN
Page
Ref.address
Cool
Sub cool
OU TH4 temp.
OU TH6 temp.
OU TH7 temp.
●
Reduces maintenance work drastically.
●
Enables you to check operation data of the indoor and outdoor units by remote controller.
Furthermore, use of maintenance stable-operation control that fixes the operating frequency, allows smooth inspection, even for
inverter models.
Remove the
service panel.
Measure
the intake air
temperature.
Measure the discharge
temperature.
Measure the outside
air temperature.
●Indoor unit ● ●Outdoor unit ●
Smooth Mainte-
nance Function
●
Conventional inspection work
Easy maintenance information (unit)
Compressor Outdoor unit Indoor unit
Accumulated operating Heat exchanger
7
Intake air
time (
o
10 hours) temperature (
:
) temperature (
:
)
Number of ON/OFF Discharge
8
4
5
1
2
9 6 3
Heat exchanger
times (
o
10 times) temperature (
:
) temperature (
:
)
Operating Outside air Filter operating
current (A) temperature (
:
) time* (Hours)
* The filter operating time is the time that has elapsed since the filter was reset.
Discharge temperature 60°C