MCAC-UTSM-2008-05  Optional Controller 
Control  113 
NAME AND OPERATION OF THE BUTTON ON THE WIRE CONTROLLER 
 
 
 
1.  Mode botton:When press this button, the operation mode change as the following sequence: 
 
Remark: For the cooling only model, the heating mode is skipped. 
2.  Timer on button: Press this button, timer on function is active. Then every press, the time increase 0.5h, 
after 10h, 1h incensement after each press. If cancel this Function, just set it to "0.0" 
3.  Timer off button: Press this button, timer off function is active. Then every press, the time increase 0.5h, 
after 10h, 1h increasement after each press. If cancel this function, just set it to "0.0" . 
4.  Follow me button: When under cool, heat and auto mode, press this button, follow me function is active. 
Press again, this function is ineffective. 
5.  Electrical heater button: If press this button in heat mode, electrical heater function become ineffective.   
6.  Reset button (hidden): Use a 1mm stick to press in the little hole , then the current setting is canceled . 
The wire controllers enter into original state. 
7.  ON/OFF button: When in off state, press this button, the indicator is on, the wire controller enter into on 
state, and send setting information to in door Pcb . When in on state, press this button, the indicator is 
off, and send instruction. If timer on or timer off has been set, it cancel this setting then send instruction 
to stop the machine. 
8.  Adjust button: Set indoor temperature up. If press and hold on, it will increase at 1degree per 0.5 
second. 
9.  Adjust button: Set indoor temperature down. if press and hold on, it will decrease at 1degree per 0.5 
Second. 
10.  Swing button: First press, start swing function; second press, stop swing. (Match to some model with 
swing function). 
11.  Economy operation button: press this button, the indoor unit operates in economy mode, press again, 
exit this mode (it may be ineffective for some models)