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OCH791 _61
6607 (A7): No ACK error
Chart 2 of 4
Abnormal points and detection methods
Causes and checkpoints
■
The address/attribute of Lossnay was displayed:
An abnormality detected by the indoor unit if it received no
ACK when transmitting signal to the Lossnay.
• An abnormality is detected when the indoor unit trans
-
mits signal to Lossnay while the Lossnay is turned OFF.
• While the indoor unit is operating with Lossnay in a
different refrigerant system, an abnormality is detected
when the indoor unit transmits signal to the Lossnay
while the outdoor unit in the same refrigerant system as
the Lossnay is turned OFF, or within 2 minutes after it
turned back ON.
• Contact failure of indoor unit or Lossnay transmission
line
• Disconnection of transmission connector (CN2M) on
indoor unit
• Malfunction of sending/receiving circuit on indoor unit or
Lossnay
■
The displayed address/attribute is not assigned to any controller.
• The previous address unit does not exist since the ad
-
dress switch was changed while power was on.
• The abnormality was detected when the indoor unit sent
or received signal because the address of the Fresh
Master/Lossnay was changed after a setting for linking
the Fresh master/Lossnay was made on the remote
controller.
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 ...