Samsung Electronics 69
Check Operation & Amount of Refriherant Automatically Checking
3) Pressure sensor
ÃϑΧʪʀϩͱϩʪࡠ²˝˵ࢥøͱиťθʪϑϑЇθʪϑʪϑͱθͱ˙ϩ˵ʪʒʪΧʪʒʪϩϑϩɇʪʒĮЇϩʒͱͱθƸϩࢋ
kθθͱθʀͱʒʪࡠĘͱʪ࣍Ɵ˵ʪθʪϑЇϩ˝θʪΧͱθϩƸʒʪϩʪθʪʒ࣎
Uʪϩʪθʪϩ˵ʪϑϩɇϩЇϑͱ˙ϩ˵ʪťθʪϑϑЇθʪϑʪϑͱθͱ˙ϩ˵ʪʒʪΧʪʒʪϩϑϩɇʪʒĮЇϩʒͱͱθƸϩɵʪ˙ͱθʪϩ˵ʪʀͱΧθʪϑϑͱθϑϩɇθϩࢋ
Ã˙ϩ˵ʪЇʒ˝ʪϩͱ˙ĮЇϩʒͱͱθƸϩťθʪϑϑЇθʪϑʪϑͱθϑƸʒʪϩʪθʪʒࡠA˵ʪʀ˝ɇʀʀͱθʒɇʀʪиϩ˵ϩ˵ʪ˙ͱͱи˝ͱθʒʪθࢋ
Yes
No
Yes
No
Yes
No
[Caution]
- If the Outdoor Unit with a history of operation (Automatic commissioning inclusion) : Maintain the vacuum mode for more
than 5 minutes.
Vacuum mode of Outdoor Unt
Check the pressure sensor breakdown
Is Pressure
sensor connector properly connect
Is voltage 5V between
3, 4 pin of PCB Pressure sensor
terminal?
Is deviation
of outdoor unit as following?
High pressure Max/Min deviation :
less than 2
Off the vauum mode Outdoor Unit
Complete
Confirmation and Measures
Replace Hub PCB
Replace PCB
Ȅ Check the Pressure sensor breakdown after the saturation pressure of the
outdoor temperature or connect the manifold gauge to check the pressure