Daikin DZ9VC - System Control and Diagnostics; Dehumidification Tips and Advanced Features; Error History and Monitoring; Cooling Airflow Profiles

13

For e󰀨ective dehumidication operation:
• Ensure “Dehumidication” is NOT set to “OFF”.
- For detailed procedure to access the this function,
please visit the Daikin One+ Smart Thermostat website
at http://www.daikinone.com.
• Verify the cooling airow prole is set to “Prole D”.
- See the Cool Set-up section of the Installation Manual
for complete airow prole details.
- By default, “Dehumidication selection” is standard
and the cooling airow prole is set to “Prole D”.
• For additional dehumidification control, airflow
settings are eld adjustable and can be ne-tuned to
a value that is comfortable for the application from a
range of Cool Airow Trim.
• In addition, the system can have Enhanced
Dehumidication operation in setting “A”, “B”, or
“C” of “dehumidication” based on dehumidication
demand.
• See the DEHUMIDIFICATION SELECT section for
more detail.

The Daikin One+ system permits access to additional system
information, advanced set-up features, and advanced diag-
nostic/troubleshooting features.
These advanced features are organized into a menu structure.
For detailed functions and menu layout, please visit the Daikin
One+ Smart Thermostat website at http://www.daikinone.com.

This menu provides access to the most recent faults.
The recent system error histories are displayed on the
screen. Errors are stored in order from most recent to least
re-cent. Any consecutively repeated error is stored only
once.
NOTE: It is highly recommended that the error history
be cleared after performing maintenance or servicing the
system.

This menu displays information about the systems current
status. This menu can be utilized to conrm correct
functionality of the equipment and for troubleshooting
purposes.

This function can be enabled in this menu.

The mandatory system verication test is enabled from this
SYSTEM TEST menu, which enables a functional check
of the equipment, in addition to ensuring proper stop valve
position.

This menu allows for the adjustment of several cooling
performance variables. Cool Airow Trim (*1), Cool Airow
Proles, Cool Airow ON Delay, Cool Airow OFF Delay
and Dehumidication Select (some enable option or o󰀨 can
be adjusted in this menu.

•   provides only an OFF delay of one (1)
minute at 100%of the cooling demand airow.
•   ramps up to full cooling demand airow
by rst stepping up to 50% of the full demand for
30 seconds. The motor then ramps to 100% of the
required airow. A one (1) minute OFF delay at 100%
of the cooling airow.
50% CFM
1/2 min
100% CFM
100% CFM
1 min
OFF
OFF
• ramps up to 82% of the full cooling demand
airow and operates there for approximately 7 1/2
minutes. The motor then steps up to the full demand
airow. Prole C also has a one (1) minute 100% OFF
delay.
100% CFM
OFF
OFF
•  (default) ramps up to 50% of the demand
for 1/2 minute, then ramps to 82% of the full cooling
demand airow and operates there for approximately
7 1/2 minutes. The motor then steps up to the full
demand airow. Prole D has a 1/2 minute at 50%
airow OFF delay.
OFF
OFF

*1
1. At Cool and Heat Hi speed trim,
DZ9VCA6010* with D*96VC0804C,
D*97MC0804C and DM80VC0804C combination
trim more than 5% settings are invalid. Trimmed up
CFM makes miss matching error.