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OCH791 _71
7102 (EF): Connecting excessive number of units and branch box-
es
Abnormal points and detection methods
The number of the connected indoor units exceeds the
limit, error code 7102 is displayed.
Causes and checkpoints
Connecting more indoor units and branch boxes than the
limit.
If connecting status does not comply with the following
limit;
• Connectable up to 12 indoor units
• Connect at least 1 indoor unit (Abnormal if connected
none).
• Connectable up to 2 branch boxes
Diagnosis of failure
Connect an indoor unit.
Reduce the number of the connected units to fall
within the limit.
The capacity code of the connected indoor unit
can be displayed by an operation of SW1 on the
outdoor unit.
Check whether the M-NET line to the indoor unit
is connected or not.
Check if at least 1 indoor unit is connected.
Check whether the number of the connected
indoor units exceeds the limit or not.
Does it exceed the limit?
Is an indoor unit connected?
Yes
Yes
No
No
Содержание CITY MULTI PUMY-P200YKM3
Страница 20: ...OCH791 _20 6 OUTLINES AND DIMENSIONS Unit mm ...
Страница 21: ...OCH791 _21 7 WIRING DIAGRAM ...
Страница 103: ...OCH791 _103 Photo 16 Accumulator Inlet Outlet Photo 17 Accumulator Accumulator leg Accumulator leg fixing screws ...
Страница 106: ...OCH791 _106 11 ELECTRICAL WIRING Refer to installation manual 6 Electrical work for details ...