User Manual
E-31
ENGLISH
Pipe Checking Operation (Auto Addressing Mode)
Switch the system on and wait for code " " to appear on the display of
the external unit (this requires approximately 60 seconds **).
As soon as code " "displays, press once the red button (K1) shown on
the figure on the side of the page:
WARNING !!
If the quantity of indoor units connect-
ed is lower than maximum connectable
to outdoor unit, the rotary switch SW01
has to be positioned, in order to select a
number equal to indoor units’ quantity
you connected.
After the operations described above have been performed, the system starts
in Cooling or Heating mode, depending on the external ambient temperature.
After a few minutes (from a minimum of 3 to 5 minutes for the internal
unit), the system stops automatically, completing the self-test and addressing
procedure.
" " appears on the display of the external unit.
20 seconds after the display of " " (that confirms the correct execution
of the procedure), the following codes (if four internal units are connected) dis
play in sequence on the display of the external unit:
Display 1 Display 2 Description
The outdoor unit is communication correctly togeth-
er the indoor unit connected to refrigerant pipe A.
The outdoor unit is communication correctly togeth-
er the indoor unit connected to refrigerant pipe B.
The outdoor unit is communication correctly togeth-
er the indoor unit connected to refrigerant pipe C.
The outdoor unit is communication correctly togeth-
er the indoor unit connected to refrigerant pipe D.
At this point it is possible to start the internal units
in the desired mode
If
" "
doesn’t display, the procedure has failed and it is therefore
necessary to read ALL the operator’s manual before repeating the operating
described in steps 1-2-3-4.
COMPLETING THE INSTALLATION
Red Button K1
SW01
Display 1 Display
2
Display of the external unit
During the initial 60 seconds, dis-
play 1 shows in sequence: 0001
02 ...1500...
08'FJM_OUTDOOR_28896A_IM_E_2.19.08.indd 31 2008-2-20 8:39:42