Changing Set Point; Switch Unit On/Off - Daikin V3 Technical Manual

Changing Set Point

1. With controller Home screen displayed, Press PRG button
to go Main Menu screen and select "A. Unit Status", press
ENTER and select "b. Setpoint" by DOWN button. Screen
Ab01 is displayed. To adjust the setpoint, you need the
cursor to be by the User setp., then use UP/DOWN buttons
to adjust value and then press ENTER to confirm setting.
2. Return the cursor to its 'home starting point' before you
can move to the next screen Ab05 by pressing the DOWN
button. Press ENTER until cursor point to User setp., use
UP/DOWN button to adjust value. Press ENTER to confirm
the setting and then ESC button repeatedly to return to
Home screen.
Please note that the set point value of 16.0 bar is
recommended for R448A/R449A/R404A operation.
Refrigerant Selection
*Applicable only with manufacturer password
All below steps must be accomplished if
refrigerant is changed from default:
1. Press PRG to go to the main menu, select "C.
Compressor" and press ENTER. Select "g. Advanced"
and press ENTER. Enter screen Cag01: Refrigerant
Type. Press ENTER to move cursor and UP/DOWN
button to select type of refrigerant. Press ENTER for
execution and press DOWN button to move to the next
screen.
2. Cag02: Select the compressor model. Refer compressor
nameplate on the unit to ensure correct model is
selected. Change Set Default: YES. Press ENTER for
execution. Press ESC button to go back to "g.
Advanced". Press ENTER and DOWN button to go to
mask Cag49.
3. Cag49: Change Max pressure differ. admitted:
9.0bar. Press ENTER for execution.
T-CU19-JAN24-1
4. Cag52: Start-up forced speed: 60.0rps; Max speed:
100.0rps; Min speed: 30.0rps. Press ENTER for the execution.
Ensure all data on Cag02, Cag49 and Cag52
are changed accordingly if Cag01 is modified
on the type of refrigerant.
Switch Unit ON/OFF (By
Controller)
*Applicable only with service password and manufacturer
password
1. With controller Home screen displayed, Press PRG
button to go Main Menu screen and select "A. Unit
Status".
2. Press ENTER button. Screen "Unit Status" is displayed.
Select "c. On/Off" and then press ENTER button.
3. Switch Unit ON by using ENTER button. Indicator
pointing to ON means Unit is ON. (Press ENTER button
if want switch to OFF position.
4. Press ESC button repeatedly to return to Home Screen.
This should now show ON by KEY at the bottom of the
screen.
5. The unit will start up following a short delay (assuming
all conditions for compressor start-up are met).
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