Samsung UD18B1C2, UD26B1C2, AD18B1C09, AD26B1C13 Checking and Testing Operations Outdoor Unit

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3-2 Checking and Testing Operations (Outdoor Unit)

To complete the installation, perform the following checks and tests to ensure that the air conditioner is operating correctly.

1.Review all the following elements in the installation:

•Installation site strength

•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 (L1, N2) is short.

OUTDOOR UNIT

 

 

 

 

a

 

TEST OPERATING

C

B

A

b

C

 

A : PCB display

 

 

B : Red LED

 

 

C : PCB switch

 

 

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 (0.5 sec)

-LED lamp (red) flickering after display of b (0.5 sec)

-LED lamp (red) flickering after display of C (0.5 sec)

Note : PCB switch “C” is used for triple split multi air conditioner.

Result : If all of three units display lamps are flickering, the connection wires and the room option connections are good.

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Contents Room AIR Conditioner Refrigerant Refill Procedure InstallationPump down Procedure Indoor Unit Disassembly and ReassemblyDo 1above Outdoor Unit Items to be checked first TroubleshootingDisplay Self Diagnosis Standard Outdoor Unit Checking and Testing Operations Outdoor UnitIf the lamp is not flickering, check as follows Display Explanation Remark No Power completely dead-Initial diagnosis Fault Diagnosis by SymptomIndoor unit on when When the power voltage is not availableIs the display of PCB shown No Power Outdoor unitWhen the fan of indoor unit does not operate When the outdoor unit fan does not operate Is operating lamp blinking? LCD display status of Remocon normal? When the 4 way valve A,B is not operating Normal comp a B off Keep Comp a B off When the compressor does not operateMethod for Setting up the model option with remocon Set up the Model optionCase of ex -1700b7 Table of the option code Memo Exploded Views and Parts List Parts List 1 UD26B1C2 UD26B1C2 2 UD18B1C2 ’TY ASS’Y Control in DB93-01223A Description Specification RemarkRefrigerating Cycle Block Diagram Indoor Unit Outdoor Unit Schematic Diagrams Outdoor Unit Electronics
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AD26B1C13, AD18B1C09, UD18B1C2, UD26B1C2 specifications

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