Engineering Application Functions Operated Through The Xk49 Wired Controller; Master Idu Settings - Gree GMV-ND07PLS/A-T(U) Service Manual

4.2 Engineering Application Functions Operated through the XK49
Wired Controller
XK49 Wired Controller

4.2.1 Master IDU Settings

Method 1: In power-off status, press and hold the ―MODE‖ button for five seconds to set the IDU
connected with the current wired controller to master IDU. If the setting is successful, ―MASTER‖ will be
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.
Multi Variable Air Conditioners Indoor Unit for North America
57