Multi VRF Floor Standing Indoor Unit   
2 
 
Diameter of power cord 
should be large enough. 
The damaged power 
cord and connection wire 
must be replaced with 
special cables. 
When the power cord 
is connected, please 
fix the electric box 
cover properly to 
avoid safety 
accidents. 
Never fail to comply with 
the nitrogen-charging 
welding process. Do 
charge nitrogen when 
welding the pipes. 
Never short circuit or 
cancel the pressure 
switch to prevent unit 
damage. 
 
As for the unit controlled 
by the wired controller, 
connect the wired 
controller well firstly and 
then energize the unit; 
otherwise, the unit can’t 
operate normally. 
When installation is 
finished, please 
check whether the 
drainage pipes, 
pipelines and electric 
wires are connected 
correctly to avoid 
water leakage, 
refrigerant leakage, 
electric shock or fire, 
 
Do not insert fingers or 
objects into air outlet or 
air return grille. 
Open the door and 
window frequently to 
keep good ventilation 
for avoiding oxygen 
deficit when gas 
heater or oil heater is