DCS RF48SS, Руководство по обслуживанию, Страница: 33 / 74

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QUICK ICE
7) Test Function (Forced Operation/Forced Defrost)
● When pressing the REF. TEMP Temp Control button and the POWER FRE button on PANEL P.C.B at the same time
for more than 8 seconds,all LEDs on the display go out and it goes into the Test function.You can use any
of F/R-Room buttons, POWER FRE button and POWER REF button as a Test button.
●
If press TEST KEY, the Test function will be selected in the order of forced operation 1 (FF 1)
→
forced operation 2 (FF 2)
→ forced operation 3 (FF 3) → forced R, F defrost(fd)Cancellation (steady operation) → forced operation 1 (FF 1)
If you want to cancel the function during TEST function achievement, power ON after OFF is the most desirable method.
①
Forced Operation Function
1) If press Test Key 1 times in Test Mode, Display is registeredby FF1 and means forced operation 1. This time, Buzzer achieves
warning at Beep sound.
2) FF3 is displayed if press FF 2, 1 times more if press Lock key 1 times more in forced operation 1
and each means forced operation 2,3 and each moves differing each Comp's RPM.
3) When the Forced Operation is selected, the Comp operates immediately without a 5-minute delay.
This time, defrost has to be discontinued immediately if is doing defrost.
4) When the Forced Operation is selected,the F &R-Room temps will be automatically selected to -13
℉
and
34
℉
respectively.But,when the Forced Defrost or Test cancellation is selected after 1 minute elapsed while Forced
Operation ,the temperatures do not change they will be maintained at “-13
℉
” and “34
℉
”,and when the forced defrost or
Test operation is cancelled within a minute or the Forced Operation selection,the temperatures change to the previously selected
temperatures.
5) Upon completion of the Forced Operation (24 hours),both compartments perform a Defrost regardless of their previous operating
conditions.
6) After the above,Defrost operates under normal defrost conditions according to the setting controlling the R-Defrost.
7) When the Forced Operation is cancelled before it is completed (changing to the cancellation function),the comp-on time during the
Forced Operation will be added in the defrost cycle.
8) During the Forced Operation,the POWER FRE. does not work.(All the buttons work normally).When the POWER FRE.
function is selected,the relevant LED lights up and it goes off in about 10 seconds.
②
Forced Defrost Function
1) If press Lock key more 1 times in forced operation 3 (FF 3) Display is registeredFdforced operation immediately cancled,
defrost of F and R achieve at same time.
2)This time, Beep alarm sound produces while achieve forced F, R defrost operation at 0.75 seconds
ON/0.25 seconds OFF sound after ring for 3 seconds from injection visual point.
③
Test Cancellation Mode
1) When converting the Display Panel into the Test mode and pressing a Test button once more during the simultaneous
Forced F/R-Defrost,the Forced operation will be cancelled simultaneously and restored to its normal operation.
In addition,if the power is turned off and on all the Test functions are cancelled.
Press for 8 seconds simultaneously
If the Heater turns on during the Forced R-Defrost and the simultaneous Forced F/R-Defrost is selected,
before the Defrost completes,it won’t turn off the R-Heater but compare its temperature with that of R-Eva.
Note
BRANDSOURCE-SM(EN) 2007.1.23 10:31 AM 페이지34