background image

cycles 

19

 

MdF 

(Maximum) 

length 

for 

defrost 

0-255min 

 

30 

20 

20 

21

 

DFd 

Display during defrost 

rt, it, Set, DEF 

Yes 

Set 

Set 

set 

22

 

dAd 

MAX  display  delay  after 

defrost 

0-255min 

Yes 

30 

30 

30 

25

 

dAF 

Defrost  delay  after  fast 

freezing 

0-23h 

 

n   

50’ 

Yes 

0.0 

30

 

Alc 

Temperature 

Alarm 

configuration 

rE=related  to 

set;Ab=absol

ute 

Yes 

Ab 

re 

re 

31

 

ALU 

MAX. temperature alarm 

SET-

110

/SET-

230

 

 

110/23

50 

90 

32

 

ALL 

MIN. temperature alarm 

-50

-SET/-

58

-SET 

 

-50/-

58 

-40 

80 

33

 

Ald 

Temperature alarm delay 

0-255min 

Yes 

15 

34

 

dAO 

Delay 

of 

temperature 

alarm at start up 

0-

23h n 50’ 

Yes 

1.30 

35

 

i1P 

Digital input polarity 

oP=opening ;

CL=closing 

 

CL 

CL 

CL 

36

 

i1F 

Digital input configuration 

EAL=extern. 

alarm  ;bAL=l

ock 

regulation;P

AL=press. 

switch;  dor= 

doorswitch; 

dEF=defrost; 

LHt 

=disabled; 

Htr=Cooling-

heating 

 

dor 

dor 

dor 

37

 

did 

Digital input alarm delay 

0-255min 

 

15 

15 

15 

38

 

Nps 

Number  of  activation  of 

pressure 

0-15 

Yes 

15 

15 

15 

39

 

odc 

Compressor  status  with 

open door 

no,Fan=norm

al;CPr=comp

.OFF;F-

C=Compr.OF

F & fan.OFF 

Yes 

no 

no 

no 

40

 

Pbc 

Kind of probe 

Ptc;ntc 

 

ntc/Pt

ntc 

ntc 

41

 

dp1 

Room probe display 

Yes 

P1 

P1 

P1 

Summary of Contents for SMG12

Page 1: ...Commercial Refrigerator Service Manual GLASS DOOR MERCHANDISER SMG12 Please read this manual completely before attempting to install or operate this equipment...

Page 2: ...N COMPONENTS 4 1 COMPRESSOR 4 2 COMPRESSOR RELAY 4 3 CONDENSER DRYER 4 4 CAPACITOR 4 5 EVAPORATOR FAN MOTOR 4 6 CONDENSER FAN MOTOR 4 7 EVAPORATOR DEFROST HEATER 4 8 LAMP 4 9 THERMOSTAT 5 ELECTRONIC C...

Page 3: ...1 FEATURE CHART 1 1 OUTSIDE DRAWING OF SMG12 2 WIRING DIAGRAM 2 1 SMG12...

Page 4: ...3 PARTS DETAILS 3 1 FRONT PANEL THERMOSTAT MAIN SWITCH...

Page 5: ...3 2 REFRIGERATION COMPARTMENT CYCLE ASSEMBLY CONDENSER FILTER DRIER CONDENSER FAN MOTOR WATER PAN COMPRESSOR...

Page 6: ...DRAIN PAN CONDENSER FAN MOTOR ASSEMBLY FAN COVER CONDENSER FAN MOTOR BLADE CONDENSER FAN MOTOR...

Page 7: ...3 3 DOOR GASKET Magnetic gasket can be replaced without any tools...

Page 8: ...3 4 COOLING COMPARTMENT CIRCLE FAN COVER Circle Fan Cover CIRCLE FAN Evaporator Fan Motor Blade Evaporator Fan Motor Fan Cover...

Page 9: ...Evaporator Defrost Heating Element Evaporator Fan Fan Support...

Page 10: ...4 2 COMPRESSOR RELAY SMG12 Voltage 115V 60Hz Relay Model HLC 1XT04XA 4 3 CONDENSER DRYER MODEL SMG12 Refrigerant R 134a Spec XH 9 25g Part code GN1410TN 14 4 4 CAPACITOR MODEL SMG12 Voltage 115V 60Hz...

Page 11: ...or Model CA27 04 C19 Part code 27F 11 4 7 EVAPORATOR DEFROST HEATER MODEL SMG12 Voltage 115V 60Hz Spec Part code 4 8 LAMP MODEL SMG12 Voltage 115V 60Hz Spec T8 28W Part code HGD 12R 21 4 9 MAIN PCB MO...

Page 12: ...ator probe calibration 12 12 120 120 Yes 0 32 0 0 8 Ods Outputs delay at start up 0 255min Yes 0 2 2 9 AC Anti short cycle delay 0 50min 1 2 2 10 CCt Continuous cycle duration 0 0 24 0h Yes 0 0 0 0 0...

Page 13: ...33 Ald Temperature alarm delay 0 255min Yes 15 0 0 34 dAO Delay of temperature alarm at start up 0 23h n 50 Yes 1 30 1 1 35 i1P Digital input polarity oP opening CL closing CL CL CL 36 i1F Digital inp...

Page 14: ...in programming mode To start a manual defrost To view the last alarm occurrence In programming mode it browses the parameter codes or increases the display value To view the last alarm occurrence In p...

Page 15: ...or more than 2 seconds and a manual defrost will start 2 4 HOW TO LOCK THE KEYBOARD 1 Hold the and keys for more than 3s 2 The POF message will be displayed and the keyboard will be locked At this poi...

Page 16: ...EPLACEMENT OF MAIN COMPONENTS 6 1 FRONT PANEL PARTS 6 1 1 UNSCREW THE FRONT PANEL 6 1 2 TAKE OFF THE FRONT PANEL 6 1 3 UNSCREW THE JUNCTION BOX THE MAIN SWITCH LIGHT SWITCH AND THERMOSTAT CAN BE CHANG...

Page 17: ...6 2 REFRIGERATION COMPARTMENT PARTS 6 2 1 UNSCREW THE SENSOR CLIP TAKE THE SENSOR OUT FROM THE CLIP 6 2 2 Unscrew the circle fan cover 6 2 3 PULL DOWN THE CIRCLE FAN COVER...

Page 18: ...6 2 4 UNSCREW THE FAN SUPPORT 6 2 5 CHANGE THE DEFROST HEATING ELEMENT A UNHOOK THE EVAPORATOR FROM ITS CASING...

Page 19: ...B TAKE OFF THE ELEMENT AND CHANGE IT 6 3 CONDENSING UNIT 6 3 1 TAKE OFF THE BOTTOM PANEL...

Page 20: ...NIT BOARD OUT FOR ANY REPAIR OR CLEANING CAUTION BE CAREFUL OF ELECTRIC SHOCK CAUTION MAKE SURE THE POWER SUPPLY IS CUT OFF BEFORE ANY SERVICE IS PERFORMED CAUTION CONDENSING UNIT MAY BE VERY HOT BE S...

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