Johnson Controls YVAHP072B31S, Service Manual

Page: 556 / 1796

1-540
Service Manual
INSTALLATION
10.3.3 How to Unregister Group
1. Select “Group Register” on the
“Service Menu” screen.
Refer to item 10.3.1 (1).
NOTE:
This function cannot be selected
when the external input signal
is connected to external input at
terminal 1 or terminal 2.
2. Select “Main Unit Register (or
Sub Unit Register)” on the “Group
Register” screen.
3. Select a registered group to cancel.
Ɣ Touch “<” or “>” at upper left of
the touchscreen and the block
selection is switched.
Ɣ Select the group button by touch
and the selected button is trimmed
with an orange outline.
Touch the selected group button
again and the group selection will
be cancelled.
4. Touch “Cancel Register” and a
registered group is now unregistered.
The button color for this group and
the indoor unit change to white.
Ɣ Touch “Unregister” on the “Main
Unit Register” screen and the main
unit and associated sub units are
now unregistered.
Ɣ Touch “Unregister” on the “Sub Unit
Register” screen and sub units are
now unregistered.
Proceeding on to the next step to
unregister, the group provides the
following options:
Ɣ Continue Unregister;
Group Register (step 3)
Ɣ Exit Unregister;
Group Register (step 5)
5. Touch “Done” to return to the “Group
Register” screen.
6. Touch “Back” on the “Group Register”
to return to “Service Menu” screen.
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