Sat Smg72_Sm Page 1

Workshop Manuals
Commercial Refrigerator
Service Manual
GLASS DOOR MERCHANDISER
SMG72
Please read this manual completely before attempting to install or operate this equipment.

Contents Summary of Sat Smg72_Sm

  • Page 1Commercial Refrigerator Service Manual GLASS DOOR MERCHANDISER SMG72 Please read this manual completely before attempting to install or operate this equipment.
  • Page 2TABLE OF CONTENTS 1. FEATURE CHART 1-1. OUTSIDE DRAWING AND MEASUREMENTS FOR SMG72 2. WIRING DIAGRAM 2-1. REFRIGERATOR (3 DOORS): SMG72 3. PARTS DETAILS 3-1. BOTTOM PANEL 3-2. REFRIGERATION COMPARTMENT 3-3. DOOR 3-4. COOLING COMPARTMENT 4. MAIN COMPONENTS 4-1. COMPRESSOR 4-2. COMPRESSOR RELAY 4-3. C
  • Page 31. FEATURE CHART 1-1. OUTSIDE DRAWING OF SMG72 2. WIRING DIAGRAM 2-1. SMG72
  • Page 43. PARTS DETAILS 3-1. FRONT PANEL THERMOSTAT MAIN SWITCH
  • Page 53-2. REFRIGERATION COMPARTMENT CYCLE ASSEMBLY CONDENSER FILTER DRIER CONDENSER FAN MOTOR WATER PAN COMPRESSOR
  • Page 6DRAIN PAN CONDENSER FAN MOTOR ASSEMBLY FAN COVER CONDENSER FAN MOTOR BLADE CONDENSER FAN MOTOR
  • Page 73-3. DOOR GASKET Magnetic gasket can be replaced without any tools.
  • Page 83-4. COOLING COMPARTMENT CIRCLE FAN COVER Circle Fan Cover CIRCLE FAN Evaporator Fan Motor Blade Evaporator Fan Motor Fan Cover
  • Page 9Evaporator Defrost Heating Element Evaporator Fan Fan Support
  • Page 104. MAIN COMPONENTS 4-1. COMPRESSOR MODEL SMG72 Refrigerant R-134a Voltage 115V/60Hz Comp. T6213Z Model Part code TPP93.02 4-2. COMPRESSOR RELAY SMG72 Voltage 115V / 60Hz Relay HLC-1XT04XA Model 4-3. CONDENSER DRYER MODEL SMG72 Refrigerant R-134a Spec. XH-9 25g Part code GN1410TN.14 4-4. CAPACITOR MO
  • Page 114-6. CONDENSER FAN MOTOR MODEL SMG72 Voltage 115V / 60Hz Motor CA27-04/C19 Model Part code 27F.11 4-7. EVAPORATOR DEFROST HEATER MODEL SMG72 Voltage 115V / 60Hz Spec. --- Part code --- 4-8. LAMP MODEL SMG72 Voltage 115V/60Hz Spec. T8 E32W L=850 Part code HGD-23R.17 4-9. MAIN PCB MODEL SMG72 Voltage
  • Page 125. ELECTRONIC CONTROLLER INSTRUCTION 5-1-1. DIXELL XR20C PARAMETER FOR REFRIGERATOR NO.1 SMG72 NO. Label Name Range Hidde Defau ℃ ℉ n lt Par. ℃/℉ 1 Set Set point LS-US -5/23 0 32 Differential 0.1-25.5℃/1- 2/35.6 2.5 5 2 Hy 255℉ Minimum set point -50℃-SET/- Yes -50/- -2 28 3 Ls 58℉-SET 58 Maximum set
  • Page 13cycles (Maximum) length for 0-255min 30 20 20 19 MdF defrost 21 DFd Display during defrost rt, it, Set, DEF Yes Set Set set MAX display delay after 0-255min Yes 30 30 30 22 dAd defrost Defrost delay after fast 0-23h n Yes 0.0 0 0 25 dAF freezing 50’ Temperature Alarm rE=related to Yes Ab re re 30 Al
  • Page 1442 dp2 Evaporator probe display - Yes P2 P2 P2 43 rEL Software release - Yes 4.2 4.2 4.2 44 Ptb Map code - Yes 83 83 83 5-1-2. 1. FRONT PANEL COMMANDS To display target set point, select a parameter or confirm an operation in programming mode. To start a manual defrost To view the last alarm occurre
  • Page 152. MAIN FUNCTIONS 2.1 HOW TO VIEW THE SET POINT 1. Push and immediately release the SET key: the display will show the set point value. 2. Push and immediately release the SET key or wait for 5 seconds to display the sensor value again. 2.2 HOW TO CHANGE THE SET POINT 1. Push the SET key for more th
  • Page 166. REPLACEMENT 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 CHANGED.
  • Page 176-2. 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 186-2-4. UNSCREW THE FAN SUPPORT 6-2-5. CHANGE THE DEFROST HEATING ELEMENT. A. UNHOOK THE EVAPORATOR FROM ITS CASING.
  • Page 19B. TAKE OFF THE ELEMENT AND CHANGE IT. 6-3. CONDENSING UNIT 6-3-1. TAKE OFF THE BOTTOM PANEL.
  • Page 206-3-2. UNSCREW THE UNIT BOARD. YOU CAN PULL THE UNIT 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 SURE IT IS COOL BEFORE ANY SERVICE IS PERFORME