Johnson Controls YVAHP072B31S, Service Manual

Page: 581 / 1796

Service Manual
1-565
INSTALLATION
10.12 Checking Connections
1. Select “Checking Connection” on the
“Service Menu” screen.
NOTE:
This function cannot be selected
while the air conditioner(s) are in
operation or while an external input
signal is being transmitted to the
external input terminals 1 or 2.
2. 7RXFK³<HV´DWWKHFRQ¿UPDWLRQ
screen.
NOTE:
If “No”, the screen returns to the
“Service Menu”.
Proceed the connection information
updating process, depending upon
what is to be set later.
Ɣ Update with connection information
by retaining the Group register and
settings, such as schedule setting,
and so forth; step (3).
Ɣ Perform reconnection checking by
LQLWLDOL]LQJHDFKVHWWLQJ,WLVWKH
same as restore settings; step (7).
< Keeping the setting >
3.
7RXFK³<HV´DWWKHFRQ¿UPDWLRQ
screen for keeping the setting.
4. When the checking connections
process is complete, the number of
connected units are indicated on the
FRQ¿UPDWLRQVFUHHQ
If the number of connected indoor
units is, correct, touch “Yes”.
The“Main Unit Register” screen will
be displayed.
Refer to Section 10.3.1 (3).
5. If the number of connected units
indicated are different from actual
number, touch “No”.
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