Samsung AJ007JNADCH, Руководство по обслуживанию, Страница: 67 / 118

Samsung Electronics 4-13
◆ 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 connected is lower than maximum con-
nectable 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) display in sequence on
the display of the external unit:
Display 1 Display 2 Description
The outdoor unit is communication correctly together the in-
door unit connected to refrigerant pipe A.
The outdoor unit is communication correctly together the in-
door unit connected to refrigerant pipe B.
The outdoor unit is communication correctly together the in-
door unit connected to refrigerant pipe C.
The outdoor unit is communication correctly together the in-
door unit connected to refrigerant pipe D.
At this point it is possible to start the internal units in the desired mode
䭭 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.
Display of the external unit
※ During the initial 60 seconds,
display 1 shows in sequence:
00
→ 01 → 02 → ...15 → 00...
WARNING
This product is prohibited one indoor unit installation. Don't use pipe checking operation and Auto Addressing Mode when one
indoor unit is installed.
Display 1 Display 2
K1 Rotary
Switch
DIP
Switch
AJ020JCJ2CH/AJ024JCJ3CH
AJ036JCJ5CH
4-3-1 Wiring checking function