(Table of Contents) 2 (Specifications) 3 ~ 10 (Introduction) 11 (Storage Bins) 11 (Legs) 11 (Important Operating Requirements) 11 (Location Selection)

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1 SERVICE MANUAL

2 (Table of Contents) 2 (Specifications) 3 ~ 10 (Introduction) 11 (Storage Bins) 11 (Legs) 11 (Important Operating Requirements) 11 (Location Selection) 12 (Storage Bins) 12 (Ice Machine) 12 (Stacking Instructions) 13 (Water Inlet) 13 (Drains) 14 (Electrical Connections) 14 (Final Check List) 14 (Start-up Cycle) 15 (Freezing Cycle) 15 (Harvest Cycle) (Water System) 18 (Harvest) 19 (Water System) 19 (Control Sequence) 20 (Alarm Conditions) 20 PCB -(PCB Set-up) 21 (Service Specifications) (Components) / (Operating Characteristics) 21 (Components Description) 22 (Service Diagnosis) 25 (Icemaker) / (Storage Bins) 26 (Cabinet Exterior) 26 () 26 ~

3 N131M 3

4 N131M 4

5 N201M 5

6 6

7 N301M 7

8 8

9 N501M 9

10 N501M 10

11 (Introduction),,,,,, :, / 15cm (Storage Bins) D101 : N121M D201 / D310 : N201M, N301M, N501M R404a (Standard Legs) 185cm, 7cm : 10~ 40 : 5~ 35 : 1 bar ~ 5 bar ( ) : 10% 11

12 (Location Selection),, (/, ) ( ) 15cm (Storage Bins) D101 / D201 / D310, (stacker), (gasket) (Icemaker), (kit) 2 (1) (deflector) (, evaporator) (2) /, (3) (Air Separator) 12

13 (Stacking Installation) (panel) (KS121, KS201/301, KS501) (Water Inlet) : 3/4 1) (switch) 3) (electrical plug) 5) (shut-off valve) 7) (water outlet line) 9) (open vented water drain) 2) (plug receptacle) 4) (water inlet) 6) (water filter) 8) (bin water outlet line) 10) ( ) A (length of run) B (clarity and purity of water) C (adequate water supply pressure) 1 bar, 13

14 (, Drains) : 20mm, : : (Electrical Connections) 10%, : Icematic, (Final Check List) 1? 2 10~ 40? 3 /, 15cm? 4 /? 5,?? 6, 1 bar ~ 5bar? 7? 8 9? 10? 14

15 (Start-up) (Start-up Cycle) 1 2 PCB, LED LED 40 3 (hot gas valve) (water drain valve) (water pump) (Freezing Cycle) 1 - (water inlet valve) ( 3 ) 2 LED, 3 - (water inlet solenoid valve) (water level sensor) 4 30 (water pump) 5 3, - (water inlet solenoid valve) 6, PCB, (fan motor)on-off : (deflector cover) 8 15

ON-OFF - 38( ) 30 (harvest) (harvest) 9 15 ~ 20 22 (Harvest Cycle) 1 (hot gas valve) / (water drain/purge valve) (water pump) ;

16 ON-OFF - 38( ) 30 (harvest) (harvest) 9 15 ~ (Harvest Cycle) 1 (hot gas valve) / (water drain/purge valve) (water pump) ; 40 2 (harvest cycle) 30, - (water inlet solenoid valve)10 ( ) 3 38( ) OFF 4, PCB 5, :, PCB : (delay time) 8 9 / 16

17 (Operation), :,, (water regulating valve),,, (thermostatic expansion valve ; TXV) TXV (TXVsensing bulb ; ) ( ), (heat exchanger),, (suction tube) 17

18 (Water System) - 30, (cell) 18

19 , (suction line) (heat exchanger) (suction tube) (Water System) (harvest cycle) (electric water drain valve) 40 - (water inlet valve) 10, -, 15 ~ 2 19

20 (Control Sequence), (actuator plate) (PCB ), (main contactor coil) 30, ( )finger( ) finger 10 PCB :, PCB 30 40,,, 30 LED 3, 3 3 LED (Alarm Conditions) 4 5 : 4 5 : ; - (water inlet valve)3 4 5 : - : OFF - (water inlet solenoid valve) 4 : (harvest cycle)330 4 : ( 65 ) 4 : - : : (33 bar 460 PSI ) 5 : - : -, 3 PCB, ON-OFF : 30 ON : 40 (30 40 ), PCB 20

PCB (PCB set-up) PCB - ( ) ( ) > - ; 1 ; 30

21 PCB (PCB set-up) PCB - ( ) ( ) > - ; 1 ; 30 OFF, 30 OFF 2 ; 50 PCB 3 3 ; 3 30, PCB (Service Specifications),, 21, 15 (Components) : 40 ~ 45 mm : 3 ~ 5 mm (high pressure safety switch) : -20 bar, - 33 bar (Operating Characteristics) ( ) 2, amp (water regulating valve), amp 21

22 N131 A N131 W amp amp () (bar) (bar) (bar) (bar) (bar) (A) (A) N201 A N201 W N301 A N301 W N501 A N501 W (R404a, : g) N131M N201M N301M N501M (Component Description) 1 (Front Panel) 5 LED : 2 : 3 : / (washing) 4 : 5 : (high pressure alarm) B : / (washing) 22

23 2 PCB(Printed Circuit Board) 2 ( 1+ 1 ), 4[ -, -, -, (water level sensor) ] (jumper) 2 (1 1-- ) (outlet connector) 1 ; LED 4/ PCB J2 - -, J2 - - PCB 30 40, 35 (4 ) (trimmer) 3 (compressor contactor), PCB 4 (ice thickness sensor), 2 (reed) 2 (3 ~ 5mm) -, 10 PCB 5 (magnetic switch), PCB 6 (hot gas solenoid valve), (thermostatic expansion valve), 2, / ( ) PCB 23

24 7 (Condenser Temperature Sensor) (probe ; ) PCB, PCB TRIAC 65 8 (High Pressure Control) 30 bar -, 22 bar -, ( ) ( ) - -, LED 9 (water regulating valve ; ) head pressure, head pressure 10 (Water Distribution System) (tee) tygon (water distributor) 11 (Water Drain Solenoid Valve) ( 40 ) 12 (Thermostatic Expansion Valve) 13 (Pump), 30 ( ) / (Water Inlet Solenoid Valve ; 3/4 ) ( ) PCB 3, 14 (Water Level Sensor) PCB PCB, - PCB 3 ( ) PCB, LED 24

25 (Service Diagnosis), (,, ) PCB PCB 3, PCB / / / /, ( ) / (finger) 20 PCB PCB,, ( ) ( ) 25

26 / /,,,, 2, 2 1 / ( ) 2 (strainer) 3 4,, : /,, 5 6, 7 30,, 8, 9, (storage bin) / 1 (cabinet exterior) / - 6 ~ g , PCB 2 : a) 40 b) 1 c) - d) , PCB 7-6 ~ 8, 8 9 ( ) : 26

27 10, (Alarm) (Alarm) (Alarm) (Hi Press) : 65 - : 50, psi (Hi Press) - :

(specifications) 3 ~ 10 (introduction) 11 (storage bin) 11 (legs) 11 (important operating requirements) 11 (location selection) 12 (storage bin) 12 (i

SERVICE MANUAL N200M / N300M / N500M ( : R22) e-mail : jhyun00@koreacom homepage : http://wwwicematiccokr (specifications) 3 ~ 10 (introduction) 11 (storage bin) 11 (legs) 11 (important operating requirements)