2 . H ow to co n trol
1) Conditions for Low Tem p. A
R -H eater O ff w hen C om p O n
R -H eater O n w hen C om p O ff
20 seconds of preventing tim e for re-start of Com p
R -H eater O ff, if it is not the Low Tem p. A or if it is R T -S ensor
D isconnection/S hort-circuit)
2) Conditions for Low Tem p. B
M iddle O n/O ff P oint -1
when C om p is running
7
Initial D efrost-
ing
Defrosting
M ode
1. If D -S ensor tem perature
3.5
in the initial pow er input, norm al
defrosting m ode begins.
2. It begins in the m iddle of the m ode of C om p re-start prevention.
8
P revention of
C om p
Com p
1. In order to protect Com p after C om p O ff, it does not re-start
for a certain tim e, though R-S ensor becom es O n
2. R e-start P revention Tim e
1) In case R T -S ensor tem perature
13
(Low Tem p. A ) : 20 m inutes
2) In case R T -S ensor tem perature
14
: 6m inutes
3) In case RT -S ensor disconnection/short-circuit : 6 m inutes
9
O ption Circuit
N othing
Concerened
1.O ption for W eak R efrigeration
1) Regulation of R -S ensor O ff P oint
2) In case of W eak R efrigeration, take action as the follow ings.
Resistance (R 16) : S tandard Resistance(31.4
) of R -S ensor
in case of N orm al R un
R esistance (R 18) : S tandard R esistance(21.5
) to m ake R -S ensor
Off Point below 1.5
in case of Weak Refrigeration
S W 1 : In A /S , R -S ensor O ff P oint decreases by 1.5
,
if SW 1 is m ade O ff.
R 16 + S W 1 = M iddle O ff Point
R 16 + R 18 = M iddle O ff P oint - 1.5
N O
C O N TR O L
FU N C TIO N
C O N TR O L
O B JEC TS
C O N TEN TS
R EM A R K
R-SENSO R
SW 1
R 16=3 1.4
R 18= 2 .15
OPERATION AND FUNCTIONS
