Wall Mounted Type 
Fan Coil Unit Service Manual
26
4�10 E-Heater
“
E-heater
” Function: Under the “
Heat
” mode, the heating efciency can be improved greatly by activating 
the auxiliary electric heater.
How to active the “
E-heater
” function: Under the “
Heat
” mode, press the “
Function
” key to go to the setting 
state with the symbol“  ” ashing, after that, press  “
Enter/Cancel
” to  make a conrmation and  then the 
symbol will stop ashing.
How to deactivate the “
E-heater
” function: When the “
E-heater
” function is activated,  press the“
Function
” 
key to go to the setting state of the “
E-heater
” function with the symbol“   ”ashing, after that, press the “ 
Enter/Cancel
” key to deactivate this function and then the symbol“   ”will disappear.
See Fig. 20 for how to activate the “
E-heater
” function.
 
Press “Function” to go 
to the setting status
 
When the “E-heater” 
function is not activated
 
Press “Enter/cancel” to 
activate the “E-Heater” 
function
Fig. 20 How to Activate the “
E-heater
” function
See Fig.21 for how to deactivate the “
E-heater
” function.
 
When the “E-heater” 
function is activated
 
Press “Function” to go to 
the setting status
 
Press “Enter/cancel” to 
dectivate the “E-Heater” 
function
Fig.21 How to Deactivate the “
E-heater
” Function
 NOTE:
① 
The “
E-heater
” function is unavailable  under the “
Cool
”, “
Dry
” or “
Fan
” mode and the symbol “   ” 
will not be displayed on the LCD under those modes.
② 
When the unit is switched to the “
Heat
” mode, the default status of the “
E-heater
”  function is “
On
”.
4.11 Blow
“
Blow
” Function:It is intended to dry the moisture inside the evaporator after the unit is turned on to prevent 
mould growing there.
How to activate  the  “
Blow
” function:Under the  “
Cool
” and “
Dry
” mode, when the “
Blow
” function is  not 
activated, press the “
Function
” key to go to the setting state with the symbol“   ”ashing, and then press the 
key “
Enter/Cancel
” to make a conrmation. 
How to deactivate the “
Blow
” function:When the unit is “
On
” and the “
Blow
” function is activated, press “ 
Function
” function to go to the setting state with the symbol “ 
 ”
ashing, and then press the “
Enter/Cancel
” 
key to deactivate this  function.