Function Setting; Statement On Linkage Function Setting; Fresh Air Function Setting - Gree GMV-N12U/C-T(U) Owner's Manual

6 Function Setting

6.1 Statement on Linkage Function Setting

When several AHU-KITs are in parallel connection with one AHU, you must activate linkage
function after installation for normal operation. Setting way is as below:
Step 1: Set group control IDU quantity
After making sure all AHU-KITs are energized, set AHU-KIT quantity through wired controller
P14, detailed operation is as follows:
Under on or off status, press "Function" button for 5s to enter into the first level menu interface;
Under parameter code "C00" status, (after pressing "Mode" button for three times press "Function"
button for 5s to enter into the second level menu. The temperature area displays "P00". Press "▲"
and "▼" button can swing to the second level parameter code. Enter P14 engineer debugging
interface, the top right corner of the interface will display "01", which means the number of
AHU-KIT under the control of wired controller is 1, short press "Mode", and revise actual controlled
AHU-KIT quantity through pressing "▲" and "▼" button, If two AHU-KITs are in parallel connection,
please set 02, short press "Confirmed/Cancel" button, the setting is successful.
Step 2: Linage function startup setting. The operation is as below:
Operate it according to above operation to enter P53 engineer debugging interface, the top
right corner of the interface will display "00", which means AHU-KIT linkage function is invalid;
short press "Mode", and conduct revision through pressing "▲" and "▼" button, set "01", which
means AHU-KIT linkage function is valid, short press "Confirmed/Cancel" button, the setting is
successful.

6.2 Fresh air Function Setting

6.2.1 General Wire Controller
When it needs the fresh air indoor unit control, set the fresh air function with wired controller
according to below method:
When the AHU adapter is energized, set the fresh air function with wired controller P60 by
operation method as below:
Under on or off status, press "Function" button for 5s to enter into the first level menu interface.
Under parameter code "C00" status, (after pressing "Mode" button for three consecutive times.)
press "Function" button for 5s again to enter into the second level menu. The temperature area
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AHU-KIT