Johnson Controls YVAHP072B31S, Service Manual

Page: 659 / 1796

Service Manual
1-643
INSTALLATION
No. Condition Items to be Checked Action
9 The control panel is always
illuminated in green when air
conditioners are running. Is the running mode color set
in [Settings] > [Display]? Check the running mode color in [Settings]
> [Display].
10 The system has turned the air
conditioner unit ON, but after
time has passed, the display
reads OFF.
Was remote controller
removed after turning the air
conditioner ON?
Is the air conditioner set as
[RC operation permitted] when
the air conditioner unit itself is
non RC equipped? The system recognized the unit as
equipped with a remote controller,
remote controller, but is unable to monitor
air conditioner status. Reset the air
conditioner and check connections from
[Settings] > [Unit register] again.
Run the air conditioner from the system
again to verify that the display indicator
remains as ON.
11 When the [Monitor] button is
selected, the display format
will switch automatically.
Does [Tenant] switch to
[Panel]? Because the monitor only displays output
identi
¿ ed on the control panel, the monitor
button setting, if altered to indicate [Tenant],
will automatically switch control panel
readings.
12 There is a wide temperature
discrepancy between what
is displayed and the actual
temperature.
Is the power saving function of
the RC activated? The potential exists for a discrepancy
between displayed and actual temperature
readings if an RC equipped unit is in power-
save.
13 Set values for the monitor
screen are: “ ௅ ” or “- -”.
Is [Group], [Block], or [H-LINK]
selected and displayed inside
in [View by]? If other than [Unit] is selected in [View by],
and individual unit settings values are not
uniform, values are displayed will
appear as: ("-" or "- -").
When the adapter activates, is
it disconnected from the unit or
is the main power to the unit
shut OFF? When the adapter can no longer detect all
units after startup, it will require about a
30 minute recovery time to indicate correct
status.
No. Condition Items to be Checked Action
1 Schedule is not executed. Has the indoor schedule been
disabled over the span of a
day? Deselect [Disable IU schedule for 1 day] in
the unit control panel.
Did you click on [Done] upon
completing settings? Click on the [Done] button to apply changes
and settings. The button will stop blinking
after all values are set.
Is the schedule registered on
“Group”? A schedule will be applied by each Group.
Check to see if each group is set to execute
that schedule.
Is any speci ¿ c schedule
registered?
Speci ¿ c schedule contents will be
performed, even when the daily schedule
is set if the current date is registered as
speci
¿ c in the schedule.
Is [Overwrite only where
changed] set for [Setting
update mode]? Set [Overwrite all], or re-schedule the
groups.
Have all connections been
veri
¿ ed?
Go to [Settings] > [Unit register] and check
connections.
Is the adapter connected? Go to [Settings] > [Network register] and
check connections.
Is the adapter turned ON? Turn ON the adapter.
Schedule