ELECTRO FREEZE SLX400E Operator's Manual
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ELECTRO FREEZE SLX400E Operator's Manual

Genesis series
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OPERATOR'S MANUAL
with Replacement Parts List
SOFT SERVE
TWIST MODEL
SLX400E, SLX500
184584 3/17
H.C. Duke & Son, LLC
P/N 184584 March, 2017
Printed in USA

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Summary of Contents for ELECTRO FREEZE SLX400E

  • Page 1 OPERATOR'S MANUAL with Replacement Parts List SOFT SERVE TWIST MODEL SLX400E, SLX500 184584 3/17 H.C. Duke & Son, LLC P/N 184584 March, 2017 Printed in USA...
  • Page 3 Operator's Manual for the Electro Freeze Model SLX400E and SLX500 Soft Serve Freezers All contents © Copyright 2017 H.C. Duke & Son, LLC, 2116 Eighth Avenue, East Moline Illinois 61244...
  • Page 4 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 SAFETY FIRST! Follow these four steps to safety ..1. Recognize Safety Information ..Look for this safety alert symbol throughout this manual. When you see this symbol on your freezer or in this manual, be alert to the potential for personal injury.
  • Page 5 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 SAFETY FIRST! 4. Definitions ..Trained person (or Operator): A person who has been trained in the basic operation of the freezer. This person is knowledgeable in the operation of machine startup, stopping, filling, and basic cleaning, disassembly, washing, and sanitation of the freezer.
  • Page 6 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Safety Decal Locations Do not attempt to operate the freezer You may contact your local authorized until all safety precautions and operating Electro Freeze Distributor, as follows: instructions in this manual are read and NAME: ________________________ understood.
  • Page 7 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Safety Decal Locations (continued) WARNING WARNING WARNING WARNING Hazardous rotating beater shaft. Do not Hazardous rotating beater shaft. Do not operate unit with dispense head removed. operate unit with dispanse head removed. Hazardous rotating beater shaft. Do not Before cleaning machine: Hazardous rotating beater shaft.

  • Page 8: Table Of Contents

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Table of Contents Safety Decal Locations ............vi Introduction ..............1 Note to Installer ............... 1 Uncrating and Inspection ..........2 Installation ..............3 Electrical Requirements-Models SLX500 and SLX400 .3 Electrical Requirements - Model SLX400E ONLY..4 Electrical Connections ..........4...
  • Page 9 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Part II Replacement Parts Orders Figure 1 Head Assembly ............. 1 Figure 2 SLX400E Beater Shaft Assembly ......2 Figure 3 SLX500 Beater Shaft Assembly ......3 Figure 4 Mix Feed Tube Assembly ........4 Figure 5 Contactor Box ............

  • Page 11: Introduction

    Note to Installer This freezer must be installed and serviced by an Electro Freeze Distributor or authorized service technician in accordance with the installation instructions. After installation the warranty registration card must be completed and returned to validate the warranty.

  • Page 12: Uncrating And Inspection

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Uncrating and Inspection bill and notify the carrier’s local agent CAUTION immediately. Be sure to properly support 1. Remove the carton from the pallet, the machine when removing and move the machine as close as bolts and installing legs or possible to the permanent location.

  • Page 13: Installation

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Installation 4. Air cooled model SLX500 will need an air deflector if the unit is to be CAUTION placed against a rear wall. The 6” All materials and connections wide x 21-7/8” long deflector is to be...

  • Page 14: Electrical Requirements - Model Slx400E Only

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Electrical Requirements - Model SLX400E ONLY 3. Supply voltage must be within ±10% CAUTION of voltage indicated on the nameplate. To prevent accidental electrical shock, a receptacle with 4. An easily accessible main power...

  • Page 15: Specifications

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Specifications Particulars Width (in/cm) ..22-1/8 / 56.2 Height (in/cm) ..60-11/16 / 154.15 Depth (in/cm) ..30-1/8 / 76.52 SLX500 SLX400E Weight (lb/kg) ........539 / 244......475 / 215 Cylinder Compressor .....2 HP / 10500 (BTU/hr) ..1.3 HP / 6900 (BTU/hr) 1.9 kw (Motor)....

  • Page 16: Data Plate

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Data Plate The data plate provides important information that the operator should record and have available for parts ordering, warranty and service requests. Figure 3-1 Figure 3-1 Plug Reference Information 1.) Model Number: ________________ 2.) Serial Number: _________________...

  • Page 17: Dimensions

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Dimensions The dimensions of the SLX Series freezers are provided in figure 3-2 below. AIR IN AIR OUT 4X4 ELECTRICAL JUNCTION BOX 3/8 FPT WATER OUT/IN (WATER COOLED ONLY) Figure 3-2 Electro Freeze SLX Series...

  • Page 18: Virtual Quality Management System Terminology

    This board has many connectors on it and is responsible for the main operations of the unit. Membrane Switch: ..The black Electro Freeze decal visible on the front of the unit, which houses the hidden operator, technician, soft, and hard keys used to navigate the menus Single Diff: ......
  • Page 19 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Virtual Quality Management System (VQM) Terminology (continued) Temp. Comp.: ....Temperature compensation, utilized when the slope feature is turned on. It prevents the system from seeing the slope temperature curve until a determined temperature is reached.

  • Page 20: Part Names And Functions

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Part Names and Functions PLUNGERS - SIDE PLUNGER - CENTER PLUNGERS - SIDE O-RINGS - HEAD ROD - PLUNGER O-RINGS - PLUNGER PIN - HANDLE O-RINGS - PLUNGER KNOB - HAND HEAD - DISPENSE...
  • Page 21 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Part Names and Functions (continued) LUBRICATE BAR -BREAKER HERE BLADE - SCRAPER LUBRICATE HERE SHAFT - ASSY BEATER WASHER - DOUBLE SHAFT SEAL BLADE - SCRAPER SEAL - BEATER SHAFT Figure 5-2 Beater Shaft Assemblies The following descriptions refer to figure 5-2.
  • Page 22 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Part Names and Functions (continued) SLEEVE - REAR MIX FEED INSERT - MIX FEED TUBE TUBE - REAR MIX FEED O-RING Figure 5-3 Mix Feed Tube Assembly The following descriptions refer to figure 5-3. The number preceding the part name corresponds to the number in the figure.

  • Page 23: Operator Controls And Indicators

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Controls and Indicators Press to enter Operator Mode (Hidden button) LEFT RIGHT MAIN SCREEN WHEN POWER IS APPLIED SCREEN WHEN WASH IS PRESSED Figure 6-1 The following paragraphs describe the CAUTION operator controls. Refer to Fig. 6-1 for Test operation of the head numbered items in description.
  • Page 24 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Controls (continued) Left Side Controls (2) Indicates controls for left side cylinder and hopper. “Right” Indicates controls for right side of freezer. Indicates Mode of Operation (3) There are three primary modes of operation: Important: a.
  • Page 25 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Controls (continued) Function Buttons (Four) (8) Press the function button directly below icon to activate the “Night” mode of operation. Freeze Mode Button (9) Press button will activate the automatic freeze mode and return display to main screen.

  • Page 26: Mix Feed Tube

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Controls (continued) In the “ON” position, power is supplied to the beater motors. Use this position to operate the freezer. Select the ”OFF” position for disassembly and cleaning. See Operators Display Menu for use of this switch in recording cleaning cycles.

  • Page 27: Operator Display Menus

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Display Menus To Enter the Operator Menu, push and the value may now be changed using hold the hidden button under the F for 3 the left or right Arrow Buttons, once you seconds (Figure 7-1).

  • Page 28: Operator's Menu Options

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Display Menus (continued) Below is a list of the Operator’s menu categories. Operator’s Menu Options • Information Shown • Basic Settings • Actual Temps • Screen Settings • Event Log • Date/Time •...
  • Page 29 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Operator Display Menus (continued) Lockouts: Allows the operator to lock out the clean, freeze, and night function so that on the home screen when the button is pressed the unit will not react.

  • Page 30: Disassembly And Cleaning

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Disassembly and Cleaning maintain a clean, sanitary freezer. The CAUTION To avoid electrical shock or freezer should be disassembled, cleaned, contact with moving parts, reassembled, lubricated and sanitized make sure the control pad daily to ensure the best possible product is “OFF”...

  • Page 31: Instructions

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Disassembly Instructions CAUTION To avoid electrical shock or contact with moving parts, make sure the control pad is “OFF” and that the power switch is “OFF”. It is important that the freezer be disassembled, washed, lubricated and sanitized before operation.
  • Page 32 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Disassembly Instructions (continued) SLEEVE - REAR MIX FEED INSERT - MIX FEED TUBE 3. From the dispense head (1, figure 8-2) remove the handle pin (7), handles (9,10),plungers (5,3) and nozzles (11) . Remove head o-rings (2) and the o-rings from plungers (4) .

  • Page 33: Instructions

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Cleaning Instructions The cleaning instructions explained in this section are procedures to remove bacteria and maintain a clean, sanitary freezer. The soft serve freezer must be disassembled, washed and sanitized according to the instructions in this manual. Always sanitize before start-up to ensure the best possible cleanliness.
  • Page 34 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Cleaning Instructions (continued) c. The shaft seals, washers, plunger o-ring grooves and nozzles (figure 8-7). d. The beater shaft inside the front collar and the hole on the rear flange (figure 8-8). 3. Rinse parts with clear water and place in sanitizing solution for 5 minutes.

  • Page 35: Assembly

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Assembly Correct assembly of the freezer is essential to prevent leakage of the CUP SEAL product and damage to the freezer. To DO NOT assemble the freezer you will need an LUBRICATE approved lubricant, such as Petrol Gel.
  • Page 36 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Assembly (continued) PLUNGERS - SIDE PLUNGER - CENTER PLUNGERS - SIDE O-RINGS - HEAD ROD - PLUNGER O-RINGS - PLUNGER PIN - HANDLE O-RINGS - PLUNGER KNOB - HAND HEAD - DISPENSE HANDLE - SIDE...
  • Page 37 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Assembly (continued) 13. Install the o-rings (3) on the mix feed SLEEVE - REAR MIX FEED INSERT - MIX FEED TUBE tube (1), as shown in figure 9-5. Lightly lubricate the o-rings. Insert the regulator (2) into the mix feed tube.

  • Page 38: Start-Up Instructions

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Start-up Instructions 10.1 Sanitizing chlorine and will chemically attack The washing and sanitizing instructions freezer components. explained in this section are procedures to remove bacteria and maintain a clean, 3. Place the mix feed tubes and sanitary freezer.
  • Page 39 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 10.1 Sanitizing (continued) 6. Reconnect main power supply. Place the power switch in the “ON” position. Important: Do not use the freeze position with water or sanitizer in the cylinder. The freezer will be damaged.

  • Page 40: Priming

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 10.2 Priming Priming the freezer removes all excess SLEEVE - REAR MIX FEED INSERT - MIX FEED TUBE sanitizer from the freezing cylinder, and sets the proper overrun for the first cylinder of product.
  • Page 41 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 10.2.2 Priming Instructions for Freezers Built into a Wall 1. Place a bucket under the dispense head. Remove the actuator rod from the spigot. Leave spigot open. (figure 10-4) 2. Fill mix hopper with one gallon of mix and allow mix to push out remaining sanitizer.

  • Page 42: Closing Procedures

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Closing Procedures 11.1 Night Switch Operation 1. In areas where state and local health ROTATE codes allow, the freezer may be switched to night operation, which will MIX INLET PORT allow the freezer to cycle all night and INDICATOR º...

  • Page 43: Draining Product From Freezer

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 11.2 Draining Product from Freezer Note: It is your responsibility to be aware 7. Dispense the cold water. Brush of and conform to the requirements for residue off hopper walls and drain. meeting local, state, and federal laws 8.

  • Page 44: Soft Serve Information

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Soft Serve Information 12.1 Overrun As mix is frozen in the freezing cylinder, 3. Replace liquid mix with frozen air is incorporated into the mix to increase product, being sure to leave no voids its volume, as well as enhance the taste or air spaces in the container.

  • Page 45: Routine Maintenance

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Routine Maintenance Electro Freeze recommends the following schedule to help maintain your freezer in like-new operating condition. Take the time to learn and perform these routine procedures and receive in return many years of valuable service from your freezer.
  • Page 46 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Routine Maintenance (continued) MONTHLY 1. Testing the Head Switch the cylinder at the rear drive coupling The head switch feature is designed to prevent the beater shaft from being for rotation. Press the freeze accidentally activated.
  • Page 47 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Routine Maintenance (continued) QUARTERLY A. Air Condenser. B. Refrigeration System Important: Have your Electro Freeze Distributor Never use a screwdriver or sharp check the refrigeration system and make object to clean between fins.
  • Page 48 The water valve must be opened in order to blow out the condenser. Failure to purge the freezer of water can result in severe damage to the refrigeration system. Call your Electro Freeze Distributor for service. 8. When freezer is restarted after seasonal shutdown, remember to replace all o-rings and seals with new parts.

  • Page 49: Trouble Shooting Tables

    PERSONAL INJURY. DO NOT ATTEMPT TO CONTINUE UNTIL THE SAFETY PRECAUTIONS ARE THOROUGHLY UNDERSTOOD. CAUTION All maintenance adjustments must be done by an Electro Freeze distributor or authorized service technician. CAUTION To avoid electrical shock or contact with moving parts, make sure all switches are in the “OFF”...
  • Page 50 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Freezer unplugged. Plug in freezer. Make sure your freezer is connected to a separate circuit independent from any other electrical equipment. Fuse or breaker blown at main Have technician check fuse or disconnect.
  • Page 51 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Check product temperature. Should be 17° to 19°F (-8 to -7°C). See Product too cold. Troubleshooting Table - Dispensed Product product too hard. dispenses slowly out of...
  • Page 52 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Ask power company to increase voltage to not less than 10% below Low line voltage. dataplate rating or have transformer installed. Have electrician check for Compressor adequate wire size.
  • Page 53 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Have condenser cleaned by your Dirty condenser. Electro Freeze distributor. Contact your Electro Freeze Shortage of refrigerant. Unit operates Distributor for service. long or Contact your Electro Freeze continuously.
  • Page 54 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 14.1 Virtual Quality Management (VQM) System Display Trouble Shooting Messages What the Action taken Detailed Method to Probable cause of Remedy display will in unit when description reset error Error Code read error is present The Main P.C.
  • Page 55 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 14.1 Virtual Quality Management (VQM) System Display Trouble Shooting Messages (continued) What the Action taken Detailed Method to Probable cause of Remedy display will in unit when description reset error Error Code read...
  • Page 56 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 14.1 Virtual Quality Management (VQM) System Display Trouble Shooting Messages (continued) What the Action taken Detailed Method to Probable cause of Remedy display will in unit when description reset error Error Code read...
  • Page 57 REPLACEMENT PARTS MANUAL with ILLUSTRATIONS SOFT SERVE uality arts TWIST MODEL PROTECT SLX400E, SLX500 YOUR EQUIPMENT 184584-01 4/16 reezer xcellent ondItIon lwAYs ontAct lectro reeze IstrIbutor eplAcement Arts H. C. Duke & Son, LLC P/N 184584-01 March, 2017 Printed in U.S.A.
  • Page 59 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Replacement Parts Orders You must have the serial number of your Name: ________________________ freezer when ordering parts — parts may Address: _______________________ differ with a particular serial number of ______________________________ the same model.
  • Page 61 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 1 Head Assembly Item Part No. Description * ...HC121186 ..Head - Assy. Dispense ADA 1 ...HC121664 ..Head - Assy. with Actuators & Insert 2 ...HC160583 ..O-ring (Head) 3 ...HC137174 ..Plunger - Side Self Dispense 4 ...HC160501 ..

  • Page 62: Figure 2 Slx400E Beater Shaft Assembly

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 2 SLX400E Beater Shaft Assembly Item Part No. Description 1 ..HC141821 ..Bar - Breaker 2 ..HC121139 ..Shaft - Assy. Beater 3 ..HC141236 ..Blade - Scraper (Non-Rev) 4* ..HC160557 ..Seal - Beater Shaft 5* ..HC137593 ..

  • Page 63: Figure 3 Slx500 Beater Shaft Assembly

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 3 SLX500 Beater Shaft Assembly Item Part No. Description 1 ..HC141822 ..Bar - Breaker 2 ..HC120866 ..Shaft - Assy. Beater 3 ..HC141009 ..Blade - Scraper (Non-Rev) 4* ..HC160557 ..Seal - Beater Shaft 5* ..HC137593 ..

  • Page 64: Figure 4 Mix Feed Tube Assembly

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 4 Mix Feed Tube Assembly Item Part No. Description * ..HC121076-01 ..Tube - Assy Mix Feed Complete Short (SLX400) * ..HC121076 ..Tube - Assy Mix Feed Complete Long (SLX500) 1 ..HC196603-01 ..Tube - Rear Mix Feed Short (SLX400) or ..HC196603 ..

  • Page 65: Figure 5 Contactor Box

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 5 Contactor Box Item Part No. Description 1 ...HC150276-01 ..Transformer CNTRL 24V 75VA 2 ...HC150076 ..Contactor - 3P 25A 24V Coil BF25 3 ...HC150044 ..Relay - Miniature DPDT 230V AU Contact 3A ..HC150098 ..

  • Page 66: Figure 7 Control Center

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 7 Control Center Item Part No. Description 1 ...HC151701-05 ..Board - PC Main 2 ...HC151702 ..Board - PC Relay 3 ...HC121268 ..Switch - Assy Plunger 4 ...HC150993 ..Membrane (Switch Covering) 5 ...HC150708 ..

  • Page 67: Figure 8 Switch Assembly

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 8 Switch Assembly Item Part No. Description * ..HC121268 ..Switch - Assy. Plunger Side LH (Complete) 1 ..HC121267 ..Guide - Assy. Push Rod 2 ..HC136456 ..Plate - Switch 3 ..HC150477 ..Switch - Roller Actuator SPDT 4 ..HC160006 ..
  • Page 68 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 9 Panel View (Sheet 1 of 2) Hardware for Panels Nut - Speed Panel Screw Nut - Speed Spacer on Frame Dispense HC160076 HC159132 Front HC160076 HC159132 HC159067 Rear HC160048 HC160117 Side...
  • Page 69 14 ..HC196270 ..Tray - Drip 22 in Black 15 ..HC121286 ..Insert - Assy. Drip Tray HC199030 ..Bumper - Rubber 16 ..HC121290 ..Trimstrip - Assy. W/EF Decal (SLX400E & SLX500) HC141240-02 ... Panel - Trimstrip Upper SST HC164225-07 ..Decal - Trimstrip EF Logo 16A ..HC121275 ..

  • Page 70: Figure 10 Assembly View

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 10 Assembly View 184584...
  • Page 71 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Figure 10 Assembly View Item Part No. Description Item Part No. Description 1 ..HC121076-01 .. Tube - Assy. Mix Feed or ..HC121257 ..Compressor - Assy 208-230/3/60 (See Fig. 4) or ..HC121076 ..Tube - Assy. Mix Feed ZS15KAE (SLX500) includes (See Fig.

  • Page 72: Accessories

    ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 Accessories Part No. Description HC196103 ......Bottle - Wash 500 ml HC158009 ......Brush - 4 in. w/o handle (Handle p/n HC158012) HC158003 ......Brush - 7/16 & 1-1/8 Double End HC158077 ......Brush - 9/16 in w/36 in. handle HC162105 ......
  • Page 73 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 184584...
  • Page 74 ELECTRO FREEZE Soft Serve Models SLX400E, SLX500 184584...

This manual is also suitable for:

Slx500

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