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Refrigerated Sandwich Prep Tables
Base Models:
# 178SSPT27
# 178SSPT48
# 178SSPT36
# 178SSPT60
Note:
This manual is for a certified service technician and should not be used by those who are not properly trained.
This manual cannot cover all possible conditions that may occur and is not intended to be all encompassing.
Read this manual in its entirety and the specific repair you wish to do prior to starting the repair. This will allow
you to determine if you have the correct tools, instruments, and skills to perform the procedure.
www.AvantcoRefrigeration.com
Service Manual
# 178SSPT71
# 178SSPT72
07/2024
178SSPT48C
(Variations listed on page 3)
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Summary of Contents for Avantco 178SSPT27
- Page 1 Service Manual 07/2024 178SSPT48C Refrigerated Sandwich Prep Tables Base Models: # 178SSPT27 # 178SSPT48 # 178SSPT71 # 178SSPT36 # 178SSPT60 # 178SSPT72 (Variations listed on page 3) Note: This manual is for a certified service technician and should not be used by those who are not properly trained.
- Page 2 User Manual Refrigerated Sandwich Prep Tables Table of Contents Model Variations ............................. 3 Troubleshooting ............................4 Temperature Controller Settings ......................5 Part Testing .............................. 8 Compressor and Capacitor ......................8 Controller ............................9 Evaporator Fan Motors ......................... 3 Condensor Fan Motors ......................... 9 Door Seal Heater ............................
- Page 3 User Manual Refrigerated Sandwich Prep Tables Model Variations Sandwich Prep Tables Extended Extended Standard Standard Cutting Both Cutting Both Height Height Board Board with Workstation 178SSPT27A 178SSPT27C 178SSPT27AC 178SSPT71A 178SSPT27HC 178SSPT36A 178SSPT36C 178SSPT36AC 178SSPT36HC 178SSPT48A 178SSPT48C 178SSPT48AC 178SSPTA488 178SSPTC488 178SSPTAC488 178SSPT48HC 178SSPT488 178SSPT60A 178SSPT60C...
- Page 4 User Manual Refrigerated Sandwich Prep Tables Troubleshooting Problem Possible Solution Ensure that unit is plugged in. Ensure the outlet is correct and dedicated and has power. Unit will not turn on Check power switch. Check controller. Ensure door is properly closed. Check door gasket for rips, tears, cut, etc.
- Page 5 User Manual Refrigerated Sandwich Prep Tables Temperature Controller Settings Mode Setting Display To access settings on temperature controller, press and hold the Temperature Unit F/C "SET" button until the display flashes with "PS". (Fig. 2) Cabinet Offset 2. Press the "SET" button again to display a blinking "0". Evap Offset Differential 3.
- Page 6 User Manual Refrigerated Sandwich Prep Tables Fig. 4 /C1= Probe 1 differential -50.0° to 50.0°; Default = 0° (Fig. 4) Use up or down arrow to change, then press Set button to keep the option. Fig. 5 /C2 = Probe 2 differential (Not used on Refrigerators) (Fig.
- Page 7 User Manual Refrigerated Sandwich Prep Tables Fig. 9 c0 = Compressor and fan start delay 0 to 100 minutes Default = 2 minutes (Fig. 9) Use up or down arrow to change, then press “Set” button to keep the option. Fig.
- Page 8 User Manual Refrigerated Sandwich Prep Tables Part Testing Compressor and Capacitor Fig. 13 With unit ON and controller calling for compressor to run, check amperage on the red wire coming from the back of the controller; 2.0 amps +/- 10%. If amperage is above running amps and below locked rotor amps, replace starting components.
- Page 9 User Manual Refrigerated Sandwich Prep Tables Controller Fig. 16 Check for 120 volts between white (N) and black (L) (#4) at the back of the controller. NOTE: There are two black (L) wires. (Fig. 16) With controller calling for compressor to run, check for 120 volts between white (N) and red (Compressor) wire.
- Page 10 User Manual Refrigerated Sandwich Prep Tables Fig. 19 Door Seal Heater Disconnect unit from power and unplug the red connector to the door seal heater. Check for resistance of 200-400 Ω at 70°F (Fig. 19). Variance accounts for different door sizes. Check for 120 volts between white and black wires on the red plug at rear of condenser/ compressor compartment.
- Page 11 User Manual Refrigerated Sandwich Prep Tables Condensing Tray Components Fig. 24 Fig. 25 Compressor Remove Phillips screws holding rear condenser cover in place. (Fig. 24 & 25) 2. Remove Phillips head screw(s) holding condensing tray inside unit. (Fig. 26 & 27) 3.
- Page 12 User Manual Refrigerated Sandwich Prep Tables Fig. 32 Filter Drier Process tube and liquid line to filter. (Fig. 32) 2. Remove from clamp by prying apart clamp clip. 3. With all refrigerant removed from system and a safe working condition, sweat out the capillary tube from the filter drier.
- Page 13 User Manual Refrigerated Sandwich Prep Tables Evaporator Compartment Parts Fig. 39 Fig. 40 Note: Turn off and disconnect power before servicing Ensure capacitor is properly discharged before proceeding. Use a 20,000 ohm, 2 watt carbon resistor. Caution as resistor will be HOT during discharge. 2.
- Page 14 User Manual Refrigerated Sandwich Prep Tables Evaporator Coil Fig. 47 Fig. 48 All EPA, federal and local guidelines need to be followed when working with refrigeration. Follow all guidelines and safety procedures when working with a flammable refrigerant. All connections where refrigerant travels must be checked for leaks after connections are brazed in place.
- Page 15 User Manual Refrigerated Sandwich Prep Tables Wire Diagram (178SSPT27HC) www.AvantcoRefrigeration.com...
- Page 16 User Manual Refrigerated Sandwich Prep Tables Wire Diagram (178SSPT36HC) www.AvantcoRefrigeration.com...
- Page 17 User Manual Refrigerated Sandwich Prep Tables Wire Diagram (178SSPT48HC) www.AvantcoRefrigeration.com...
- Page 18 User Manual Refrigerated Sandwich Prep Tables Wire Diagram (178SSPT60HC) www.AvantcoRefrigeration.com...
- Page 19 User Manual Refrigerated Sandwich Prep Tables Wire Diagram (178SSPT71HC) www.AvantcoRefrigeration.com...
- Page 20 User Manual Refrigerated Sandwich Prep Tables Parts Diagram (178SSPT27HC) www.AvantcoRefrigeration.com...
- Page 21 User Manual Refrigerated Sandwich Prep Tables Parts Diagram List (178SSPT27HC) Item # Description Part # Door 17817006HC Door gasket 178GSKT17313 Door cartridge 178CARTRIDGE Lower right hinge 178HINGSCLBR Upper right hinge 178HINGSCLTR Evaporator coil 17812503 Evaporator fan motor 17813407 Standoff bracket - rear 17818837 Controller - temperature 17815350...
- Page 22 User Manual Refrigerated Sandwich Prep Tables Parts Diagram (178SSPT36HC) www.AvantcoRefrigeration.com...
- Page 23 User Manual Refrigerated Sandwich Prep Tables Parts Diagram List (178SSPT36HC) Item # Description Part # Right door Right door gasket 178GSKT15033 Door cartridge 178CARTRIDGE Lower right hinge 178HINGSCLBR Upper right hinge 178HINGSCLTR Left door Left door gasket 178GSKT15033 Lower left hinge 178HINGSCLBL Upper left hinge 178HINGSCLTL...
- Page 24 User Manual Refrigerated Sandwich Prep Tables Parts Diagram (178SSPT48HC) www.AvantcoRefrigeration.com...
- Page 25 User Manual Refrigerated Sandwich Prep Tables Parts Diagram List (178SSPT48HC) Item # Description Part # Right door 17810080HC Door gasket 178GSKT11759 Door cartridge 178CARTRIDGE Lower right hinge 178HINGSCLBR Upper right hinge 178HINGSCLTR Left door 17810081HC Door gasket 178GSKT11759 Lower left hinge 178HINGSCLBL Upper left hinge 178HINGSCLTL...
- Page 26 User Manual Refrigerated Sandwich Prep Tables Parts Diagram (178SSPT60HC) www.AvantcoRefrigeration.com...
- Page 27 User Manual Refrigerated Sandwich Prep Tables Parts Diagram List (178SSPT60HC) Item # Description Part # Right door 17819424 Door gasket 178GSKT19722 Door cartridge 178CARTRIDGE Lower right hinge 178HINGSCLBR Upper right hinge 178HINGSCLTR Left door 17814620 Door gasket 178GSKT19722 Lower left hinge 178HINGSCLBL Upper left hinge 178HINGSCLTL...
- Page 28 User Manual Refrigerated Sandwich Prep Tables Parts Diagram (178SSPT71HC) www.AvantcoRefrigeration.com...
- Page 29 User Manual Refrigerated Sandwich Prep Tables Parts Diagram List (178SSPT71HC) Item # Description Part # Right door 17810080 Door gasket 178GSKT15178 Door cartridge 178CARTRIDGE Lower right hinge 178HINGSCLBR Upper right hinge 178HINGSCLTR Left door 17810081 Door gasket 178GSKT15178 Lower right hinge 178HINGSCLBL Upper right hinge 178HINGSCLTL...
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