12
12)
Parameter browsing
Hold down
CANCEL
and
FAN
buttons for 3 sec to enter into parameters browsing mode. Unit display area
shows the slave unit under browsing. Slave unit selection method is the same as in networking control above.
Press
or
to browse various parameters as follow:
Wall pad display Temp. area
Wall pad display Time area
C0
Return air temperature display
C1
Indoor coil 1 temp. display
C2
DIP switch setting display
C3
Indoor coil 2 temp. display (for 4 pipe unit)
Press
CANCEL
button to exit.
13)
Error indication
When faulty slave unit is detected, unit display area shows the faulty unit address, time area shows the error
code and backlight change to red color. Should there be multiple units having problems, they will be shown one
after another.
Error code definition:
Error code Error
E2
Indoor coil sensor 2 faulty (4 pipe unit)
E3
Return air sensor faulty
E4
Indoor coil sensor 1 faulty
E5
Indoor coil low temperature protection
E6
Indoor coil over heat protection
E7
Water pump faulty
E8
Local communication error
For system without master-slave wall pad will indicate unit error codes as above.
14)
Notice
The network functions are depending on the fan coil unit PCB versions equipped and configurations. It needs the
PCB with RS485 communication ports which is optional.
