Samsung RL38H Series, Service Manual

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5. SELF DIAGNOSIS & TROUBLE SHOOTING
9-2-3-3) Defrosting function
REFERENCE INFORMATION
1) Freezer defrost will be determined by the accumulated Compressor-On time.
2) With the initial power on, the unit carries out Freezer defrost when the accumulated Compressor-
On times becomes 6 hours.
3) The defrost cycle varies from 6 to 19 hours.
4) The defrost cycle is to be decided depending on the ambient temperature, the number of the
Fridge door openings and the duration of the Fridge door opening.
Table 2-6. Defrost Cycle
5) It carries out the Precooling function when it becomes a time for defrosting with the ambient
temperature of 18 °C or less.
-. With the Precooling function, it does the heating after running the compressor and the Freezer
Fan for 50 minutes.
6) Under the following multiple conditions,the defrost cycle will be set to 19Hr.
-. No R-Door opening with the Ambient temperature range of 23 ~27 °C.
-. The Fridge temperature does not exceed T6 °C when the compressor starts running.
-. The Freezer temperature does not exceed T4 °C.
7) The D-Heater Off temperatures are as follows.
NO of Fridge Door
Opening
Fridge : More than once
Normal Load without Door Opening
Ambient Temp
28 °C 0
6 hrs
6 hrs
Defrost without Delay
27°C ~ 23C 0
6 hrs
11 hrs
Defrost without Delay
➝
➝ ➝
22°C 0
6 hrs
6 hrs
Defrost without Delay
Remark
Minimum real time 5 hours Execute defrosting
Classification
General Defrost Conditions
Defrost Mode
Freezer room
15°C
15°C
Remarks
For A/S
➝
The Defrost Off temperature can be changed for the purpose of performance
enhancement without a notice.
NOTE