MULTI VRF-Ⅱ  INDOOR UNIT SERVICE MANUAL    EUROPEAN/LATIN AMETICA (R410A) 
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on. 
Method 2: 
Step 1: In power-on or power-off status, press and hold the “MODE” button and "SWING" simultaneously 
for five seconds to enter the parameter query interface. 
Step 2: In "C00" status, press and hold the “MODE” button and "SWING" simultaneously for five seconds 
to enter the parameter setting interface. 
Step 3: Press "▲" or "▼" to switch level 2 parameter codes till “P10” is displayed on the temperature 
area. 
Step 4: Press the “MODE” button to set the parameter to "01" and then Press the “ENTER” button. If the 
setting is successful, "MASTER" on the wired controller will be on. 
 
 
5.2.2 User Parameter Query 
User parameters can be queried in power-on or power-off status. 
(1)  Press and hold the “MODE” button and "SWING" simultaneously for five seconds to enter the user 
parameter query interface. The temperature area displays “C00” and “View ” is on. 
(2)  Select a parameter code by pressing “ ” or “ ”. 
(3)  Press the “SWING” button to return to the upper-level menu till quitting parameter query. 
(4)  For the user parameter query list of the XK49 wired controller, refer to the user parameter 
query list in XK46 user parameter query. 
Note: In parameter query, the function of "SWING" on the XK49 wired controller is equivalent to the 
function of “ENTER/CANCEL” on the XK46 wired controller. 
5.2.3 User Parameter Settings 
User parameters can be set in power-on or power-off status. 
(1)  Press and hold the “MODE” button and "SWING" simultaneously for five seconds. The temperature 
area displays “C00”. Press and hold the “MODE” button and "SWING" simultaneously for another 
five seconds to enter the wired controller user parameter setting interface. The temperature area 
displays “P00”. 
(2)  Select a parameter code by pressing “ ” or “ ”. Press the “MODE” button to switch to parameter 
value settings. The parameter value blinks. Adjust the parameter value by pressing “ ” or “ ” and 
then press the “SWING” button to complete settings. 
(3)  Press the “SWING” button to return to the upper-level menu till quitting parameter settings. 
(4)  For the user parameter setting list of the XK49 wired controller, refer to the user setting query list in 
XK46 user parameter settings. 
(5)  Note: In parameter settings, the function of "SWING" on the XK49 wired controller is equivalent to 
the function of “ENTER/CANCEL” on the XK46 wired controller. 
5.2.4Engineering Parameter Query