Mitsubishi Electric CITY MULTI, Техническое и сервисное руководство

Страница: 102 / 160

Check code
Abnormal points and detection methods Causes and checkpoints
When the total capacity of connected indoor units exceeds the specified
capacity (130% of the outdoor unit capacity), check code <7100> is
displayed.
The total capacity of connected indoor units
exceeds the specified capacity. (The total codes of
indoor units excluding PWFY unit, Cylinder unit, and
Hydrobox. )
PUMY
WITHOUT PWFY
unit, Cylinder
unit, or Hydrobox
connection
WITH PWFY
unit, Cylinder
unit, or Hydrobox
connection
ecodan unit,
Cylinder unit,
or Hydrobox
connection
P112 35 28 20
P125 41 31 20
P140 47 38 20
The model name code of the outdoor unit is
registered wrongly.
●Diagnosis of defects
Make sure to turn the power OFF before connecting/disconnecting any connectors, or replacing boards.
Diagnosis Remedy
7100
(EF)
Total capacity error
No
Yes
Yes
No
No
Yes
Is it set properly?
Is it set properly?
Is the total under 130% of outdoor
unit capacity?
Check the capacity code switch (SW2
on the indoor controller board) on the
connected indoor unit.
Check the model selection switch (SW4 on
the outdoor multi controller circuit board) of
the outdoor unit.
Check the total capacity of connected
indoor units.
Correct it so that the total capacity of
connected indoor units is under 130% of
the outdoor unit capacity.
Set the switch properly.
Set the switch properly.
Complete.
102 103
OCH673D