User manual SAMSUNG AQV12NSD SERVICE MANUAL

[. . . ] SPLIT-TYPE AIR CONDITIONER INDOOR UNIT Basic : AQV09NSBN AQV12NSBN Model : AQV09NSD AQV12NSD Model Code : AQV09NSD AQV12NSD OUTDOOR UNIT AQV09NSDX AQV12NSDX AIR CONDITIONER THE FEATURE OF PRODUCT Air Conditioner Simple Flat Grille Design good'sleep Mode : good'sleep Mode can help you sleep quickly and soundly and wake up refreshed. AQV09NSD/AQV12NSD Multi Functional Cleaning System : Silver Nano Health System and Deodorizing/ Catechin Filter are adopted. Silence Mode : When you use the "Silence Mode", you can experience extremely quiet operation of your air conditioner. AQV09NSDX/AQV12NSDX Refer to the service manual in the GSPN(see the rear cover) for the more information. Operating Instructions and Installation Contents 11. Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-1 Installing the air conditioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-1 1-1 1-2 1-2 1-2 Power supply and circuit breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 During operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Checklist : 1) Isn't the fan locked?3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?4) Is the resistance value of sensor connection pull_up correct?Troubleshooting procedure Isn't the Fan locked? Remove the Fan lock. Yes No Is the connector connected correctly?No Connect the connector. Yes No Is the color of Fan wire matched correctly?No Exchange the Fan. Yes Exchange the PCB. Normal operation Exit Samsung Electronics 12-12 Troubleshooting 12-2-11 DC-Link voltage sensor error 1. Checklist : 1) Is the voltage of indoor unit terminal block 1, 2 correct after power supply?2) Is the capacitor(C101, C102, C103) for DC-Link assembled in accordance the specification?Troubleshooting procedure Is the voltage of indoor unit terminal block 1, 2 correct after power supply?Yes No Is the capacitor(C101, C102, C103) for DC-Link assembled in accordance the specification?No No No Apply the troubleshooting for outdoor unit power supply error. Connect the connector. Exchange the PCB. Exchange the Fan. Yes Exchange the PCB. Normal operation Exit 12-13 Samsung Electronics Troubleshooting 12-2-12 O. C. (Over Current) error 1. Checklist : 1) Is the Shunt resistance value correct?2) Is the condition of surrounding temperature abnormal overload?3) Is there any problem as like the temperature sensor separation or measurement value error?4) Is the interphase resistance of compressor normal?Troubleshooting procedure Restart after power off. Is the O. C. (Over Current) error occurred?Yes Is the Shunt resistance value normal?Yes Is the interphase resistance value of compressor (u v, v w, w u) normal?Yes Is the compressor body and interphase resistance insulated?Yes Is the condition of indoor/outdoor temperature normal load? No Terminate the service. No Exchange the PCB. No Exchange the Compressor. No Exchange the Compressor. No Restart after returning to the normal load. Yes Yes Is the O. C. [. . . ] Note : · You can change the position of filters with each other. Close the front grille. Bio Filter Samsung Electronics 14-8 14-6 Installation 14-6-1 Before Installation Keep the air conditioner outlet and inlet free from its surroundings. In case of installation, keep the symmetry and fix it to prevent vibration. The pipe length shall meet the standard as far as possible. 14-6-2 Installation Procedure Location Install the product in an area to guarantee the best cooling effect, convenience of piping and electric work, and inexistence of vibration or wind. Wall Drilling Drill the wall downward in a diameter of 2. 36inch(60mm) to 2. 56inch(65mm). Fixing Indoor Unit & Outdoor Unit Fix the air conditioner indoor unit securely to the wall. [. . . ]