ELECTRO FREEZE SLX400C Operator's Manual
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ELECTRO FREEZE SLX400C Operator's Manual

Genesis series, soft serve freezer
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OPERATOR'S MANUAL
with Replacement Parts List
SOFT SERVE
TWIST MODEL
SLX400C
184582 9/16
H.C. Duke & Son, LLC
P/N 184584 September, 2016
Printed in USA

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Summary of Contents for ELECTRO FREEZE SLX400C

  • Page 1 OPERATOR'S MANUAL with Replacement Parts List SOFT SERVE TWIST MODEL SLX400C 184582 9/16 H.C. Duke & Son, LLC P/N 184584 September, 2016 Printed in USA...
  • Page 3 Operator's Manual for the Electro Freeze Model SLX400C Soft Serve Freezers All contents © Copyright 2014 H.C. Duke & Son, LLC, 2116 Eighth Avenue, East Moline Illinois 61244...

  • Page 4: Safety First

    ELECTRO FREEZE Soft Serve Models SLX400C 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. Follow recommended precautions and safe operating practices.
  • Page 5 ELECTRO FREEZE Soft Serve Models SLX400C 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: Safety Decal Locations

    ELECTRO FREEZE Soft Serve Models SLX400C 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 SLX400C Safety Decal Locations (continued) WARNING WARNING Hazardous rotating beater shaft. Do not operate unit with dispanse head removed. Before cleaning machine: Hazardous rotating beater shaft. Do not 1. Set all controls to "OFF", and operate unit with dispense head removed.

  • Page 8: Table Of Contents

    ELECTRO FREEZE Soft Serve Models SLX400C Table Of Contents Safety Decal Locations ............ v Table of Contents .............. vii Table of Contents (continued) .......... viii Introduction ............... 1 Note to Installer ............1 2.1 Uncrating and Inspection ............2 2.2 Installation ................... 3 2.3 Electrical Requirements-Models SLX500 and SLX400 ...

  • Page 9: Table Of Contents (Continued)

    ELECTRO FREEZE Soft Serve Models SLX400C Table of Contents (continued) Closing Procedures ..........32 11.1 Night Switch Operation............. 32 11.2 Draining Product from Freezer ..........33 Soft Serve Information ..........34 12.1 Overrun ..................34 12.2 Rerun ..................34 Routine Maintenance ..........35 Trouble Shooting Tables .........

  • 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 SLX400C 2.1 Uncrating and Inspection note the damage on the carrier’s freight CAUTION bill and notify the carrier’s local agent Be sure to properly support immediately. the machine when removing bolts and installing legs or 1.

  • Page 13: Installation

    ELECTRO FREEZE Soft Serve Models SLX400C 2.2 Installation 4. Water-cooled models require a 3/8-inch MPT water inlet and water waste CAUTION connection. The connections are found All materials and connections on the bottom, under the compressor must conform to local mounting area.

  • Page 14: Electrical Requirements - Model Slx400E Only

    ELECTRO FREEZE Soft Serve Models SLX400C 2.4 Electrical Requirements - Model SLX400C ONLY 4. An easily accessible main power CAUTION disconnect must be provided for all poles To prevent accidental electrical of the wiring to the freezer. shock, a receptacle with a positive earth ground is required.

  • Page 15: Specifications

    ELECTRO FREEZE Soft Serve Models SLX400C Specifications 3.1 Particulars Width (in/cm) ......22.12 / 56.2 Height (in/cm) ...... 41.77 / 106.09 Depth (in/cm) ....... 30.22 / 76.75 SLX400E Weight (lb/kg) ......................425 / 190 Cylinder Compressor ................1 HP / 6900 (BTU/hr) ..........1.3 kw (Motor)

  • Page 16: Data Plate

    ELECTRO FREEZE Soft Serve Models SLX400C 3.2 Data Plate Figure 3-1 The data plate provides important information that the operator should record and have available for parts ordering, warranty inquiries and service requests. 3.3 Reference Information Fill in the following information as soon as you receive your Electro Freeze SLX400C freezer.

  • Page 17: Installation Date

    ELECTRO FREEZE Soft Serve Models SLX400C 3.4 Installation Date Fill in the date of installation, and the name, address, and phone number of the installer in the space provided below. This information will be needed when ordering parts or service for the freezer.

  • Page 18: Virtual Quality Management 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: Virtual Quality Management System

    ELECTRO FREEZE Soft Serve Models SLX400C Virtual Quality Management System (VQM) Terminology (continued) Temperature Offset: ..A function that allows temperature adjustment to the operator. Adjustable from 1-9 and 5 being neutral/no change, Lower than 5=colder and greater than 5=warmer U.I./ User Interface: ..

  • Page 20: Part Names And Functions

    ELECTRO FREEZE Soft Serve Models SLX400C Part Names and Functions Figure 5-1 Head Assembly The following descriptions refer to figure 5-1. The number preceding the part name corresponds to the number in the figure. HEAD - DISPENSE: Encloses ROD - PLUNGER: Starts the the freezing cylinder and provides freezer when dispensing.
  • Page 21 ELECTRO FREEZE Soft Serve Models SLX400C Part Names and Functions (continued) Figure 5-2 Beater Shaft Assemblies The following descriptions refer to figure 5-2. The number preceding the part name corresponds to the number in the figure. 1.) BAR - BREAKER: Keeps product 4.) SEAL - BEATER SHAFT: Seals...
  • Page 22 ELECTRO FREEZE Soft Serve Models SLX400C Part Names and Functions (continued) 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. 1.) TUBE - MIX FEED: Meters the...

  • Page 23: Operator Controls And Indicators

    ELECTRO FREEZE Soft Serve Models SLX400C Operator Controls and Indicators Press to enter Operator Mode (Hidden button) LEFT RIGHT Figure 6-1 CAUTION The following paragraphs describe the Test operation of the head operator controls. Refer to Fig. 6-1 for switch prior to placing the numbered items in description.
  • Page 24 ELECTRO FREEZE Soft Serve Models SLX400C 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:...
  • Page 25 ELECTRO FREEZE Soft Serve Models SLX400C 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 SLX400C 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 SLX400C 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 ELECTRO FREEZE Soft Serve Models SLX400C Operator Display Menus (continued) Below is a list of the Operator’s menu categories. Operator’s Menu Options • Basic Settings • Actual Temps • Event Log • Error Log • Lockouts • Information Shown •...
  • Page 29 ELECTRO FREEZE Soft Serve Models SLX400C Operator Display Menus (continued) Error Log: Allows the operator to look at logged errors i.e. Barrel refrigeration timeout, low/high refrigeration pressure, etc. The log will display the last 50 events with the newest event at the top.

  • Page 30: Disassembly And Cleaning

    ELECTRO FREEZE Soft Serve Models SLX400C Disassembly and Cleaning The cleaning and sanitizing instructions CAUTION To avoid electrical shock or explained in this manual are required to contact with moving parts, maintain a clean, sanitary freezer. The make sure the control pad freezer should be disassembled, cleaned, is “OFF”...

  • Page 31: Disassembly Instructions

    ELECTRO FREEZE Soft Serve Models SLX400C 8.2 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 SLX400C 8.2 Disassembly Instructions (continued) 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: Cleaning Instructions

    ELECTRO FREEZE Soft Serve Models SLX400C 8.3 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 SLX400C 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 SLX400C Assembly Correct assembly of the freezer is essential to prevent leakage of the product and damage to the freezer. To assemble the freezer you will need an approved lubricant, such as Petrol Gel. Make sure all parts of the assemblies have been washed and sanitized before assembling.
  • Page 36 ELECTRO FREEZE Soft Serve Models SLX400C Assembly (continued) Note: Item 10 center handle is longer. Figure 9-4 Head Assembly 8. Install and lubricate the O-rings 11. Install the dispensing head onto the (4, figure 9-4) (see O-ring Chart - freezer by aligning the studs with the...
  • Page 37 ELECTRO FREEZE Soft Serve Models SLX400C Assembly (continued) 13. Install the o-rings (3) on the mix feed tube (1), as shown in figure 9-5. Lightly lubricate the o-rings. Insert the regulator (2) into the mix feed tube. Lift slightly and turn to lock the regulator in the “CLOSED”...

  • Page 38: Start-Up Instructions

    ELECTRO FREEZE Soft Serve Models SLX400C Start-up Instructions 10.1 Sanitizing Important: The washing and sanitizing instructions Do not use unapproved sanitizers explained in this section are procedures or laundry bleach. These materials to remove bacteria and maintain a clean, may contain high concentrations of sanitary freezer.
  • Page 39 ELECTRO FREEZE Soft Serve Models SLX400C 10.1 Sanitizing (continued) 5. Sanitize the inside of the hopper covers. 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 SLX400C 10.2 Priming Priming the freezer removes all excess sanitizer from the freezing cylinder, and sets the proper overrun for the first cylinder of product. 1. Make sure that your hands, forearms, and all freezer assemblies are sanitized.

  • Page 41: Priming Instructions For Freezers Built Into A Wall

    ELECTRO FREEZE Soft Serve Models SLX400C 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 SLX400C Closing Procedures 11.1 Night Switch Operation 1. In areas where state and local health codes allow, the freezer may be switched to night operation, which will allow the freezer to cycle all night and...

  • Page 43: Draining Product From Freezer

    ELECTRO FREEZE Soft Serve Models SLX400C 11.2 Draining Product from Freezer Note: It is your responsibility to be 6. Close plungers and pour two gallons aware of and conform to the requirements of cold water into each hopper. for meeting local, state, and federal laws 7.

  • Page 44: Soft Serve Information

    ELECTRO FREEZE Soft Serve Models SLX400C 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 SLX400C 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 SLX400C Routine Maintenance (continued) MONTHLY 1. Testing the Head Switch The head switch feature is designed for rotation. Press the freeze to prevent the beater shaft from being button and look inside the cylinder at accidentally activated.
  • Page 47 ELECTRO FREEZE Soft Serve Models SLX400C Routine Maintenance (continued) Quarterly ANNUALLY 1. Have your Electro Freeze Distributor CAUTION check the refrigeration system and To avoid electrical shock or make the necessary adjustments. contact with moving parts, make sure the control pad is 2.

  • Page 48: Winter Storage

    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

    OF 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 SLX400C Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY 1. Freezer unplugged. 1. Plug in freezer. Make sure your freezer is connected to a separate circuit independent from any other electrical equipment. Have 2. Fuse or breaker blown at main disconnect.
  • Page 51 ELECTRO FREEZE Soft Serve Models SLX400C Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Dirty or blocked condenser, restricted air Unblock condenser or have cleaned by flow. your Electro Freeze Distributor. Dispensed Contact your Electro Freeze Distributor 2. Component failure.
  • Page 52 ELECTRO FREEZE Soft Serve Models SLX400C Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY 1. Plunger switch rod engaged. 1. Close plunger completely. Plunger switch (side or center) out of ad- Contact your Electro Freeze distributor Freezer runs justment or defective.
  • Page 53 ELECTRO FREEZE Soft Serve Models SLX400C Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Ask power company to increase voltage to not less than 10% below 1. Low line voltage. data plate rating or have transformer installed. Have electrician check for Compressor will adequate wire size.
  • Page 54 ELECTRO FREEZE Soft Serve Models SLX400C Trouble Shooting Tables (continued) PROBLEM PROBABLY CAUSE REMEDY Have condenser cleaned by your 1. Dirty condenser. Electro Freeze distributor. Contact your Electro Freeze Distributor 2. Shortage of refrigerant. Unit operates for service. long or Contact your Electro Freeze Distributor continuously.

  • Page 55: Virtual Quality Management (Vqm) System Display Trouble Shooting Messages

    ELECTRO FREEZE Soft Serve Models SLX400C 14.1 Virtual Quality Management (VQM) System Display Trouble Shooting Messages What the Action taken Detailed Method to Probable cause of Error Remedy display in unit when description reset error Code will read error is present The Main P.C.
  • Page 56 ELECTRO FREEZE Soft Serve Models SLX400C 14.1 Virtual Quality Management (VQM) System Display Trouble Shooting Messages (continued) What the Action taken Detailed Method to Probable cause of Error Remedy display in unit when description reset error Code will read error is...
  • Page 57 ELECTRO FREEZE Soft Serve Models SLX400C 14.1 Virtual Quality Management (VQM) System Display Trouble Shooting Messages (continued) What the Action taken Detailed Method to Probable cause of Error Remedy display in unit when description reset error Code will read error is present 1.

  • Page 59: Replacement Parts

    REPLACEMENT PARTS MANUAL with ILLUSTRATIONS uality arts PROTECT SOFT SERVE YOUR TWIST MODEL EQUIPMENT SLX400C 184582-01 7/14 reezer xcellent ondItIon lwAYs ontAct lectro reeze IstrIbutor eplAcement Arts H. C. Duke & Son, LLC P/N 184582-01 September, 2016 Printed in U.S.A.

  • Page 61: Figure 1 Head Assembly

    (309) 755-9858 E-mail: service@electrofreeze.com Table of Contents Figure 1 Head Assembly ..........1 Figure 2 SLX400C Beater Shaft Assembly ....2 Figure 3 Mix Feed Tube Assembly ......3 Figure 4 Contactor Box ..........4 Figure 5 Control Center ..........5 Figure 6 Switch Assembly..........
  • Page 63 ELECTRO FREEZE Soft Serve Models SLX400C Figure 1 Head Assembly Item Part No. Description * ....HC121186 ..Head - Assy. Dispense ADA 1 ....HC121260 ..Head - Assy. with Actuators 2 ....HC160583 ..O-ring (Head) 3 ....HC137174 ..Plunger - Side Self Dispense 4 ....
  • Page 64 ELECTRO FREEZE Soft Serve Models SLX400C Figure 2 SLX400C Beater Shaft Assembly Item Part No. Description 1 ....HC196297 ..Bar - Breaker 2 ....HC121139 ..Shaft - Assy. Beater 3 ....HC141236 ..Blade - Scraper (Non-Rev) 4* ..... HC160557 ..Seal - Beater Shaft 5* .....
  • Page 65 ELECTRO FREEZE Soft Serve Models SLX400C Figure 3 Mix Feed Tube Assembly Item Part No. Description * ....HC121076-01 ..Tube - Assy Mix Feed Complete Short (SLX400) 1 ....HC196603-01 ..Tube - Rear Mix Feed Short (SLX400) 2 ....HC196604-01 ..Regulator - Mix Feed Short (SLX400) 3 ....
  • Page 66 ELECTRO FREEZE Soft Serve Models SLX400C Figure 4 Contactor Box Item Part No. Description 1 ....HC150244 ..Capacitor - Run 2 ....HC150594 ..Stop - Terminal Block End 3 ....HC150076 ..Contactor - 3P 25A 24V Coil BF25 4 ....
  • Page 67 ELECTRO FREEZE Soft Serve Models SLX400C Figure 5 Control Center Item Part No. Description 1 ..HC151701 ..Board - PC Main 2 ..HC151702 ..Board - PC Relay 3 ..HC118095 ..Switch - Assy Plunger 4 ..HC150993 ..Membrane (Switch Covering) 5 ..
  • Page 68 ELECTRO FREEZE Soft Serve Models SLX400C Figure 6 Switch Assembly Item Part No. Description * ....HC118095 ..Switch - Assy. Plunger Side LH (Complete) 1 ....HC114174 ..Guide - Assy. Push Rod 2 ....HC140701 ..Plate - Switch 3 ....
  • Page 69 ELECTRO FREEZE Soft Serve Models SLX400C Figure 7 Panel View Item Part No. Description 1 ....HC196298 .... Cover - Hopper 2 ....HC141456 .... Panel - Rear 3 ....HC155143 .... Filter - 22X19x3/8 4 ....HC121411 .... Panel - Assy Side RH 5 ....HC121373 ....
  • Page 70 ELECTRO FREEZE Soft Serve Models SLX400C Figure 8 Assembly View 184582-01...
  • Page 71 ELECTRO FREEZE Soft Serve Models SLX400C Figure 8 Assembly View Item Part No. Description 1 ....HC121076-01 ..Tube - Assy Mix Feed Molded Short 2 ....HC151477 .... Coil - Solenoid 208-240V MKC-1TS 3 ....HC155394 .... Valve - Solenoid Body 1/4 ODM 4 ....HC151498 ....

  • Page 72: Accessories

    ELECTRO FREEZE Soft Serve Models SLX400C 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 ....Caster-1-1/4 ST PT w/brake HC162106 ....Caster-1-1/4 ST PT w/o brake HC184294 ....Chart-O-ring EF Gravity SS (Laminated)

  • Page 73: O-Ring Chart

    O-Ring Chart ELECTRO FREEZE Soft Serve Models SLX400C 184582-01...
  • Page 74 ELECTRO FREEZE Soft Serve Models SLX400C 184582-01...

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