Statement On Linkage Function Setting; Operation And Maintenance; Before Operation - Gree GMV-N12U/A-T(U) Owner's Manual

6 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: Linkage 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.

7 Operation and Maintenance

7.1 Before Operation

① Before initiating operation, please read the operation manuals of outdoor unit, AHU-KIT unit and the air
handling unit carefully.
② Refer to the installation manuals of the outdoor unit, AHU-KIT unit and the remote controller about settings of
unit.
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AHU-KIT