Samsung AD18A1(B1)E09, Руководство по обслуживанию

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5-2
Samsung Electronics
5-2 Checking and Testing Operations (Outdoor Unit)
To complete the installation, perform the following checks and tests to ensure that
the air conditioner is operating corre c t l y.
1. Review all the following elements in the installation:
• Installation site stre n g t h
• Piping connection tightness to detect any gas leakages
• Connection wiring
• Heat-resistant insulation of the piping
• Drainage
• Earthing wire connection
• Correct operations (follow the steps below)
• Room select switch in the indoor unit
2. Apply the power to the outdoor unit.
- Check the fuse (250V~, 5A) : The fuse is open when the power line
(L, N) is short.
ROOM NO
A unit
B unit
Room select switch
A/R
B/R
INDOOR UNIT
Room select switch(A, B unit)
3. Check the connection of PCB communication of outdoor unit.
(Check whether the red LED of outdoor unit PCB is flickering.)
• The communication lamp is flickering after the display of each unit on
the outdoor PCB display part. (every one second).
LED is not flikering, if the connection is bad or the room select switch is
located in the wrong position.
- LED lamp (red) flickering after display of A (1 sec)
- LED lamp (red) flickering after display of b (1 sec)
- LED lamp (red) flickering after display of C (1 sec)
Note : PCB switch “C” is used for triple split multi air conditioner.
R e s u l t : If all of three units display lamps are flickering, the connection
w i res and the room option connections are good.
If the lamp is not flickering, check as follows:
A. Check the display part of indoor unit of each unit (A,B) after outdoor
unit PCB switch S/W- A is on.
Check the status of each unit indoor room select switch.
(Adjust the select switch suitable to the unit A, B.)
- A unit : OPERATION LED on, TIMER LED flickering
- B unit : O P E R ATION LED on, TIMER and FAN LED flickering
- C unit : O P E R ATION LED on, TIMER and FAN, TURBO LED
flickering (In case of triple split multi air conditioner)
B. Check the communication connection of outdoor unit PCB
(Check whether the red LED of outdoor unit PCB is flickering).
The communication lamp is flickering after the display of each unit on the
outdoor unit PCB. (every one second)
- LED lamp (red) is flickering after display of A (1 sec)
- LED lamp (red) is flickering after display of b (1 sec)
- LED lamp (red) is flickering after display of C (1 sec)
Result: If all of three units display lamps are flickering, the connection
w i res and the room option connections are good.
UNIT
A
B
C
OUTDOOR UNIT
A : PCB display
B : Red LED
C : PCB switch
Lamp ON
OPERATION TIMER FAN TURBO
Lamp OFF Lamp Flasher