Johnson Controls YVAHP072B31S, Service Manual

Page: 515 / 1796

Service Manual
1-499
INSTALLATION
10.12 Checking Connection
1. Select “Checking Connection” on the
“Service Menu” screen.
NOTE:
This function cannot be selected
when the air conditioner(s) is
operating or that the external input
signal is directed to external input
terminal (1 or 2.)
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NOTE:
Touch on the “No” button and the
screen will return to the “Service Menu”.
Proceed with the connection
information update depending upon
what is to be set later.
Ɣ Update connection information
by retaining Group register and
settings such as schedule setting,
and so on. (Item 3 below.)
Ɣ Perform reconnection check by
initializing each setting. (It is
the same as the restore setting
command.) (Item 7, next page.)
< Keeping the setting >
3.
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screen to save the current the setting.
4. When the process for checking
connections is complete, the number
of connected indoor units is displayed
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Touch “Yes” if the number of
connected units is indicated correctly.
The “Main Unit Register” screen will
be displayed.
Refer to Section 10.4.1 (3).
5. If the number of connected units
indicates something different from
actual number, touch “No”.
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