FRUITISTA VIPER 3 FLAVOR Service Manual Release Date: September 9, 2010 Publication Number: 621360041TBSER Revision Date: N/A Revision: A Visit the IMI Cornelius web site at www.cornelius.com for all your Literature needs.
The products, technical information, and instructions contained in this manual are subject to change without notice. These instructions are not intended to cover all details or variations of the equipment, nor to provide for every possible contingency in the installation, operation or maintenance of this equipment. This manual assumes that the person(s) working on the equipment have been trained and are skilled in working with electrical, plumbing, pneumatic, and mechanical equipment.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Manual Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Read and Follow ALL Safety Instructions . . . . . . . . . . . . .
Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Clock Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Setting the Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Setting Daylight Savings Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventative Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Monthly Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Cleaning Air Filter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Viper Installation Manual INTRODUCTION MANUAL OVERVIEW The organization of this manual allows the user to scan quickly to the subject of interest along the left side of a page and to read the detail about the subject or procedure on the right side of the page. The manual provides the detail needed for newcomers to the industry while allowing experienced technicians to skip over the details and move quickly through the material.
Viper Installation Manual SAFETY INSTRUCTIONS READ AND FOLLOW ALL SAFETY INSTRUCTIONS Safety Overview • Read and follow ALL SAFETY INSTRUCTIONS in this manual and any warning/caution labels on the unit (decals, labels or laminated cards). • Read and understand ALL applicable OSHA (Occupational Safety and Health Administration) safety regulations before operating this unit. Recognition Recognize Safety Alerts ! This is the safety alert symbol.
Viper Installation Manual without supervision. Young children should be supervised to ensure that they do not play with the appliance. • Keep your unit in proper working condition and do not allow unauthorized modifications to the unit. QUALIFIED SERVICE PERSONNEL ! WARNING: Only trained and certified electrical, plumbing and refrigeration technicians should service this unit. ALL WIRING AND PLUMBING MUST CONFORM TO NATIONAL AND LOCAL CODES.
Viper Installation Manual ! DANGER: CO2 displaces oxygen. Strict attention MUST be observed in the prevention of CO2 gas leaks in the entire CO2 and soft drink system. If a CO2 gas leak is suspected, particularly in a small area, IMMEDIATELY ventilate the contaminated area before attempting to repair the leak. Personnel exposed to high concentrations of CO2 gas experience tremors which are followed rapidly by loss of consciousness and DEATH.
Viper Installation Manual Each product formulation has its own peculiarities regarding the way the product absorbs carbonation and the way it releases carbonation. BRIX Affects Overrun Sugar in carbonated drinks is like anti-freeze in water. The higher the BRIX, the greater the resistance of the product to freezing. Conversly, in products with lower BRIX, freezing takes place at higher termperatures than for high-BRIX products.
Viper Service Manual SYSTEM OVERVIEW INTRODUCTION The Viper unit consists of the following systems and hardware: Multiple freeze barrels, each containing an internal scraper bar driven by an AC motor. A refrigeration system and an intelligent, hot gas defrost system. The components are enclosed in a powder-coated steel frame to prevent corrosion. It is covered with ventilated cladding panels and a lighted merchandiser. The cladding is easily removable to facilitate installation, service and maintenance.
Viper Service Manual THEORY OF OPERATION The refrigeration system schematic is shown in Figure 1. It shows the basic configuration for the Viper refrigeration system. The wiring diagram of the 3-Barrel Viper unit is shown in Figure 2. This diagram shows the details of the electrical connections in the unit. Figure 1. Fruitista Viper System 3-Barrel Refrigeration Schematic © 2010, IMI Cornelius Inc.
Viper Service Manual Figure 2. Fruitista Viper 3-Barrel Wiring Diagram Publication Number: 621360041TBSER -8- © 2010, IMI Cornelius Inc.
Viper Service Manual An overall schematic of the three delivery systems contained in the unit are shown in Figure 5. The CO2 system is on top, the water system is in the middle and the syrup system is at the bottom of the diagram. The CO2 system interacts with both the water and syrup systems. It provides pressure and carbonation for the syrup/water product mix.
Viper Service Manual Figure 4. Typical Tank CO2 Connection Table 1 provides guidelines for machine settings based on general syrup type. Several factors, including syrup formulation, level of citric acids, etc, will impact settings. These settings are to provide initial adjustments to achieve product overruns in the 80-120% range.
Viper Service Manual Figure 5. 3-Barrel System Schematic © 2010, IMI Cornelius Inc.
Viper Service Manual Water System Incoming water flows to a water pressure regulator that is preset to 30 psig. It flows through the water booster pump, to the regulator and through a sold-out switch. Once through the boost pump, the water supply is split to each barrel and is fed to the water flow controls. From the flow rate control, the water passes through a single ball check valve and mixes with the syrup in a wye fitting for injection into the freeze barrel.
Viper Service Manual The control panel has a structured organization of menus. The outline of this structure is shown in Figure 7. The Maintenance sub-menu is not visible when the security feature is on. The first menu that is displayed after the unit is powered up and stabilized is the BARREL STATUS or HOME menu, shown in Figure 6. This menu is displayed when the unit is running in normal operation. Control Panel Display The control panel display has two main areas.
Viper Service Manual Barrel Status (Home Screen) Initialization Screens Main Sub-Menus Setup Sub-Menus Maintenance Sub-Menus Unit Data Barrel Data Unit Data Clock Setup Barrel Maint. Event Setup Manual Diag Option Setup Totals Viscosity Setup Brix Setup CO2 Setup Software Ver. Motor Setup Barrel Maint. Error Status System Setup Error Log Figure 7. Software Structure Publication Number: 621360041TBSER - 14 - © 2010, IMI Cornelius Inc.
Viper Service Manual CONTROL PANEL MENU DESCRIPTIONS The following section describes the information displayed on each control panel menu and the interactions and settings that are controlled by that menu. System Menus The system menu structure allows the user to control the unit through the control panel. Operational settings, optional parameters, troubleshooting and error information are controlled through this menu system. The Barrel Status menu, shown in Figure 8, is the home screen for the unit.
Viper Service Manual SELECT UNIT DATA ERROR STATUS ERROR LOG 12:51P MAR 04 BACK MAIN SETUP MAINT GO Figure 9. Select Screen When the Select menu is displayed, the Unit Data is highlighted. To access the Unit Data menu, press the GO button. Refer to Table 3, the Select menu, for button functions.
Viper Service Manual Table 4 Button Description UNIT Displays the real time input voltage and frequency being supplied to the unit and the low, high or both refrigeration pressures for the unit, depending on the settings of the compressor sensors in the Unit Data screen, as shown in Figure 31.
Viper Service Manual Table 6 Displayed Message Action Type Description COMM ERR IO System A communications error occurred between the IO board and the UI board. COMM ERR MTR System UI board cannot communitcate with the motor board. BARREL REFRG Barrel Compressor has been on for more than 45 minutes and the viscosity of the barrel is not satisfied with no draws. MTR CAL ERR Barrel Occurs if a calibration initiated from the Motor Setup menu fails.
Viper Service Manual Error Log Menu The Error Log screen displays information about any errors generated by the unit, as shown in Figure 12. If no errors have been detected, the right side of the display is blank. To view more than one error, press the Up or Down arrows on the right side of the display to scroll through the error log. Button functions are described in Table 8. ERROR LOG 12:51P MAR 04 ERROR NUMBER 2 #3 COMM FAIL OCCUR: 2:44 PM 3/04/08 CLEAR: 2:52 PM 3/04/08 BACK Figure 12.
Viper Service Manual Table 9 Button Description BACK Returns the display to the Select menu MAIN Opens the Main menu SETUP Highlighted to indicate that the Setup menu is displayed MAINT Displays button and opens Maintenance menu, if security is off or accessed GO Opens the highlighted selection on the current menu Clock Setup Menu Select the CLOCK SETUP menu from the Select menu, shown in Figure 13. This displays the Clock Setup menu, shown in Figure 14.
Viper Service Manual Table 11 Step Action Procedure 3 Set correct hour Use the + or - buttons at the bottom of the display to set the proper hour. 4 5 Select minute field Use the left and right arrows to select minute field. Set correct minute Use the + or - buttons at the bottom of the display to set the proper minute. 6 Select AM/PM field If the 12 hour clock option is selected, use the left and right arrows to select the AM/PM field.
Viper Service Manual Table 13 Button Description CLOCK Opens the Clock menu DST Highlighted to indicate DST menu - Decrements the highlighted field by one increment + Increments the highlighted field by one increment Table 14 Step Action Procedure 1 Set daylight savings time Press DST button at the bottom of display to open daylight savings time display, shown in Figure 15. 2 3 4 5 Select DST Use the up and down arrows to select DST.
Viper Service Manual Table 15 Button Description BACK Returns the display to the Select menu and saves current settings CLEAR Clears the highlighted field on the menu - Decrements the highlighted field + Increments the highlighted field When the sleep and wakeup settings and the defrost lockout settings are complete, press the BACK button to save the settings and return to the Select menu, shown in Figure 13.
Viper Service Manual Table 16 Step 9 Action Select WAKEUP Procedure Use the up and down arrows to highlight WAKEUP and repeat Steps 5 through 7 to set the WAKEUP times. When the sleep and wakeup settings are complete, press the BACK button to save the settings and return to the Select menu, shown in Figure 13. Setting Defrost Lockout From the Barrel Status menu, shown in Figure 8, press the MENU button and then press the SETUP button to display the Setup menu.
Viper Service Manual 17, allows the user to adjust the viscosity in each barrel to the optimum setting for each type of syrup. #1 VISC RANGE 6 48-110 #2 VISC RANGE 6 48-110 VISC SETUP 12:51P MAR 04 BACK ALL - + Figure 17. Viscosity Setup Screen Refer to the Installation manual for the recommended settings based on syrup type. Table 18 Step Action Procedure 1 Set viscosity range From the Setup screen (Figure 13), open the Viscosity Setup screen, shown in Figure 17.
Viper Service Manual Table 19 Step Action Procedure 1 Set CO2 Pulse valve dura- From the Setup screen (Figure 13), select the CO2 tion Setup screen, shown in Figure 18. 2 Select barrel Use the Up and Down arrows to highlight the desired barrel. 3 4 Select duration field Use Left and Right arrows to select duration field Set duration Use the + or - buttons at the bottom of the display to set the desired duration. 5 Select barrel Repeat Steps 2 through 4 for all barrels.
Viper Service Manual Setting the Temperature Format The temperature format displayed by the unit may be set to either Centigrade or Farenheit. Press the °F button to display readings in Farenheit and press the °C button to display readings in Centigrade. Setting the Date Format The date format can be displayed in either United States or European format. To display U.S. date format, press the USA button. This displays the date in mm/dd/ yy format.
Viper Service Manual The Maintenance menu is used for barrel maintenance, diagnostics, BRIX setup and system information. It allows the technician access to the unit during periodic maintenance or troubleshooting problems. It sometimes overrides the normal inputs from the system in order to perform this task. SELECT 12:51P MAR 04 BARREL MAINT MANUAL DIAG TOTALS BRIX SETUP MOTOR SETUP SYSTEM BACK MAIN SETUP MAINT GO Figure 20.
Viper Service Manual Table 21 Step Action Procedure 4 Empty the barrel Place a container under the barrel dispensing valve, open the dispensing valve and dispense all the product from the barrel. As the product level lowers in the barrel, partially close the valve to avoid spurting. 5 Complete the procedure When the barrel is completely empty, close the dispensing valve and press the STOP button at the bottom of the display to turn off the purge. Press the BACK button to return to the Select menu.
Viper Service Manual Table 24 Step Manual Diagnostic Menu Action Procedure 1 Empty a barrel If the barrel has liquid in it, use the Purge procedure in Table 21 to empty the barrel. 2 Rinse a barrel Go to the Barrel Status menu (Figure 6). 3 Select the barrel Use the Up and Down arrows to highlight the desired barrel 4 Turn off the barrel Press the OFF button at the bottom of the display to turn off the barrel.
Viper Service Manual Table 25 Display Description PRODUCT SOL #1 This selection opens and closes the product solenoids and valves for barrel 1 CO2 VALVE #1 This selection opens and closes the CO2 solenoic and valve for barrel 1 LLS VALVE #1 This selection opens and closes the Liquid Line solenoid and valve for barrel 1 BRL MOTOR #1 This selection turns the barrel 1 motor on and off To move between one set of barrel parameters to the next, press the Right or Left arrow keys.
Viper Service Manual Table 26 Display Value Description DEFROST #1 HHHHH:MM Shows how long the barrel has been in defrost mode FILL CYCLES #1 ######## Shows the number of times the barrel has filled with product SYRUP RUN #1 HH:MM:SS Shows how long the syrup solenoid has been open SYRUP OUT #1 HHHHH:MM Shows how long the syrup has been out ERROR #1 HHHHH:MM Shows how long the barrel has had an error BRIX Setup Menu BRIX is important to the quality of the final product.
Viper Service Manual Table 27 Step 15 Action Replace access panel Procedure Replace the hoses and the access panel. Secure the panel with the two screws removed in Step 2. This completes the procedure. #1 OFF #2 OFF BRIX SETUP 12:51P MAR 04 BACK BRIX STOP Figure 24. BRIX Setup Screen Splash Panel Retaining Screws Figure 25.
Viper Service Manual Manual Water Control Valve Manual Syrup Control Valve Syrup Flow Control Water Flow Control (Do Not Adjust) Figure 27. Flow Controls with Panel Removed Motor Setup Menu Motor setup is initially done at the factory and does not need to be changed unless a barrel motor or barrel components are replaced, adjusted or removed and reinstalled. This menu allows you to select different motor types for each barrel in the unit and run the calibration procedure on that motor.
Viper Service Manual MOTOR #1 MOTOR TYPE 1 SETUP #2 MOTOR TYPE 2 12:51P MAR 04 BACK CAL - + Figure 28. Motor Setup Screen Table 29 Button Description BACK Returns the display to the Select menu CAL Verifies the motor settings of a new motor. - Decrements the highlighted field + Increments the highlighted field Table 30 Step Action Procedure 1 Set barrel for Motor Type From the Maintenance menu (Figure 20), open the Motor Setup menu, shown in Figure 28.
Viper Service Manual Table 31 Step Action Procedure 3 Select Motor Setup Use the Up and Down arrows to highlight MOTOR SETUP on the Maintenance menu. 4 Select the barrel Use the Up and Down arrows to highlight the desired barrel 5 Start calibration Press the CAL button at the bottom of the Motor Setup menu to start the calibration process. 6 7 The calibration cycle continues for five (5) minutes to allow the gearbox to stabalize at temperature and ensure correct callibration.
Viper Service Manual Table 33 Option Button 2 Compressor Sensors NONE Button 3 LOW Button 4 HIGH Button 5 BOTH Security System security is located on the System menu. It allows a supervisor or service technician to keep unauthorized personnel from accessing the Maintenance menu. This feature is activated on the System menu. When security is turned on, users can only access the Main and Setup menus.
Viper Service Manual LINE VOLTAGE: LINE FREQUENCY: LOW PSIG #1: HIGH PSIG #1: UNIT DATA 12:51P MAR 04 BACK BRL UNIT 229 60 60 174 VER Figure 31. Unit Data Screen Publication Number: 621360041TBSER - 38 - © 2010, IMI Cornelius Inc.
Viper Service Manual OPERATION MAINTAINING PRODUCT QUALITY It has been determined that the following factors can affect the rate at which product quality diminishes (as indicated by a change in product appearance). 1. Dispensed Product Throughput 2. Programmed Defrost Scheduling 3. Viscosity Setting Cornelius recommends the following instructions be read and followed relative to operating and establishing settings for the FCB equipment.
Viper Service Manual Programmed Defrost Scheduling The control system in the Viper system includes a function to automatically defrost product in the barrel at programmed intervals based on the viscosity of the product. Programmed defrosts are scheduled frequently to ensure that product quality within the barrel is maintained. Failure to defrost regularly during periods of low throughput allow increased ice crystal size, with a possible decrease in product quality.
Viper Service Manual STARTING THE UNIT The following table, Table 32, describes the basic procedure for starting the Viper. Refer to the Operator’s Manual (P/N 621360041TBOPR) for details on operation of the Viper unit. Table 32 Step © 2010, IMI Cornelius Inc. Action Procedure 1. Open the merchandiser Open the merchandiser and expose the control panel. 2. Turn on the barrels Turn all barrels on by pressing the buttons labeled ON to start the normal refrigeration process. 3.
Viper Service Manual PREVENTATIVE MAINTENANCE SUMMARY There are no daily maintenance procedures required on the Viper unit other than normal cleanup of spills or overspray and emptying the drip tray. Normal equipment maintenance intervals are listed in Table 33. It is recommended that a preventative maintenance procedure be performed every six (6) months. This procedure should include all of the maintenance items described in Table 33 and the following sections.
Viper Service Manual MONTHLY MAINTENANCE A general inspection of the machine for leaks and cleanliness should be done on a weekly basis. Any abnormal conditions should be reported and corrected when noticed. Cleaning Air Filter The air filter should be cleaned at least once a month (more often in harsh environments). Perform the procedure in Table 34 to clean the air cleaner. Table 34 Step Action 1. Open the merchandiser 2.
Viper Service Manual SEMI-ANNUAL MAINTENANCE There are several procedures that should be completed on a semi-annual basis. There procedures help to insure proper operation of the system on a long term basis. Refer to Table 33 for a listing of the semi-annual maintenance items. Inspecting and Replacing Scraper Blades Scraper blades should be inspected for wear during the semi-annual maintenance check. To inspect the blades, perform the procedure in Table 35 Table 35 Step Action 1.
Viper Service Manual Table 36 Step Action 4. Submerge the disconnect in the soap solution and then clean it using a nylon bristle brush. (Do not use a wire brush). Rinse with clean water and dry. Servicing Motorman Dispensing Valves NOTE: Dispensing valves with caged o-rings should be serviced (lubricated) every six months and o-rings should be replaced once a year. Refer to Figure 34 and perform the procedure in Table 37 to lubricate or change the caged o-rings in each dispensing valve on the unit.
Viper Service Manual Table 37 Step Action 9. Remove the knob, spring, sleeve, and lever from the dispensing valve. 10. Remove spring fitting from dispensing valve. 11. Press the valve with the caged O-ring, down and out of the dispensing valve body. 12. Carefully remove the caged O-ring from the valve. 13. Wash all the parts in warm water. Remove all traces of syrup and lubricant, especially from the faceplate, o-rings, and dispensing valve.
Viper Service Manual Table 38 Step Action 3. Remove the splash panel. See “BRIX Setup Menu” on page 32. 4. Turn the Product/BRIX valve 90 degrees clockwise to shutoff product to the barrel. 5. Place a large waste container under the dispense valve and drain as much product as possible from the barrel. 6. When the pressure in the barrel drops, from the Barrel Maintenance menu, press the PURGE button to repressurize the barrel with CO2.
Viper Service Manual Table 40 Flushing the System Step Action 1. Use a clean 5-gallon pall filled with a sanitizing solution and water at a temperature of 90º F to 110º F (32º C to 43º C). The sanitizing solution must have 200-ppm available chlorine. 2. Connect a sanitizing fitting (p/n cc 28688) to the BIB connector. Put the connector in the bucket of sanitizing solution. 3. Make sure the Product/BRIX valve in the BRIX position. 4.
Viper Service Manual Table 41 Step Action 7. Rotate the Product/BRIX valve to the BRIX position and open the valve at the end of the tube. 8. Hold a waste container under the BRIX tube to collect the sanitizing solution from the syrup line and open the manual syrup flow valve to start filling the syrup line with syrup. Continue to hold open the syrup flow valve until syrup starts coming out of the BRIX tube. 9. Perform a BRIX setup. See “BRIX Setup Menu” on page 32. 10.
Viper Service Manual COMPONENT REPLACEMENT The following are procedures for servicing the major components of the Viper system. BARREL MOTOR SEAL REPLACEMENT The barrel motor seal is typically replaced during the semi-annual preventative maintenance procedure. The seal location is shown in Figure 40. Motor Shaft Motor Seal Figure 40. Front View Inside of Barrel w/ Faceplate off Removing the Existing Seal To remove the existing barrel seal, perform the procedure in Table 42. Table 42 Step Action 1.
Viper Service Manual Installing a New Seal Perform the procedure in Table 43, Figure 41 and Figure 42 to replace the barrel seal with a new seal. When installing a new seal, NEVER use oil or silicon based lubricants. This can cause the new seal to rotate and LEAK! Table 43 Step Action 1 Remove the old seal and the spacer (see Table 42). 2 Remove the new seal from its packaging. 3 Clean the spacer. 4 Slide the spacer (with slots toward the motor housing) over the motor shaft.
Viper Service Manual Seal Spacer Figure 42. Side View of Seal and Spacer on Motor Shaft Motor Seal Leak Test After replacing the motor seal, it is advisable to test the seal under pressure before refilling the barrel with product. Perform the procedure in Table 44 to verify that the seal is installed properly and not leaking. When the seal passes the leak test, perform the motor calibration routine on page 35.
Viper Service Manual Barrel Motor Mounting Bolts Foam Pack Figure 43. Side View of Motor Showing Two of the Four Mounting Bolts Table 45 Step Action 1 2 3 Perform the procedure in Steps 1 through 8 of Table 42. Disconnect the motor from the circuit by unplugging the connector. Remove the motor by removing the four (4) bolts holding the motor to the barrel assembly. Install the replacement motor and connect the connector.
Viper Service Manual Table 46 Step 2 3 4 5 6 7 8 9 Action Remove the rear cover. Disconnect the spade clips from the defective capacitor. Remove the mounting screw from the base of the capacitor. Replace the capacitor. Reverse the procedure to install the new capacitor. Reconnect power to the unit. Refill the barrel with product. See “Filling a Barrel” on page 29. When barrel fill is complete, perform a motor calibration. See “Calibrating a Motor” on page 35.
Viper Service Manual CO2 PULSE VALVE REPLACEMENT The CO2 valves, shown in Figure 46, are located near the center of the unit and are mounted on a bracket to the bottom of the chassis. They control the injection of CO2 with the syrup/water combination to provide the final mixture for the product. There are one of these solenoids for each barrel in the system. When working in this area, care should be taken not to damage or misalign the CO2 metering orfice.
Viper Service Manual Table 48 Step Action 8 Test the unit for CO2 leaks. 9 Replace the rear and side panels. 10 Reconnect power to the unit. SYRUP AND WATER SHUTOFF SOLENOID REPLACEMENT The syrup and water shutoff valves and solenoids are mounted on a single bracket, as shown in Figure 48. Perform the procedure in Table 49 to replace the valves. Syrup Shutoff Valves & Solenoids Figure 48. View of Shutoff Solenoids w/ Access Panel Removed Table 49 Step Procedure 1 Disconnect power from the unit.
Viper Service Manual Table 49 Step Procedure 8 Install the check valve on the new valve and solenoid. 9 Remove the valve and solenoid from the mounting bracket and replace it. 10 Reverse the procedure to reinstall the bracket into the unit. 11 Reconnect power to the unit and test the system. CONDENSER FAN MOTOR REPLACEMENT The fan motor is located on the top of the unit, as shown in Figure 49. If the motor needs replacement, perform the procedure in Table 50 to remove and reinstall a motor.
Viper Service Manual Table 51 Step Action 1 Disconnect power to the unit. 2 Remove the rear cover and side panels. 3 Label and disconnect all wires from the compressor. 4 Remove the four (4) mounting nuts from the base of the compressor. 5 Remove all insulation from around fittings. 6 Unsweat the suction line from the compressor. 7 Cut the discharge line on top of the compressor (Make sure line can be spliced back together.) 8 Remove the compressor and unsweat the discharge line.
Viper Service Manual Table 52 Step Action 8 Evacuate the system. 9 Restore the proper refrigerant charge to the system and verify proper system operation. LIQUID LINE SOLENOID REPLACEMENT The liquid line valves and solenoids, shown in Figure 51, are located near the center of the unit on the right and left sides. Whenever a liquid line valve and solenoid is replaced, the dryer should be replaced at the same time. Liquid Line Solenoid Figure 51.
Viper Service Manual Syrup Pressure Switch Figure 52. View of Syrup Pressure Switch and Valve Table 54 Step Action 1 Disconnect power to the unit 2 Remove the appropriate side panel. 3 Turn off the syrup supply to the unit. 4 Drain the syrup from the system. 5 Disconnect the wires on the pressure switch. 6 Remove the switch, using two wrenches. 7 Replace the switch with a new unit. 8 Reverse the procedure to install the new switch. 9 Restore the syrup supply and check for leaks.
Viper Service Manual Table 55 Step Action 1 Disconnect power from the unit. 2 Remove the side panel from the unit. 3 Turn off the water supply to the unit. 4 Drain the water from the system. 5 Disconnect the wires from the switch. 6 Remove the switch, using two wrenches. 7 Replace the switch with a new unit. 8 Reverse the procedure to install the new switch. 9 Restore the water supply and check for leaks. 10 Check to ensure that the new switch is working properly.
Viper Service Manual CONTROL BOARD REPLACEMENT When replacing or testing electronic components, be sure to wear a static strap that is connected to a chassis ground. This protects the electronic components from any static charge while working on the unit. The control board is located in the E-Box. It is mounted to the panel on four (4) plastic mounting studs, shown in Figure 55. Table 57 Step Action 1 Disconnect power from the unit.
Viper Service Manual MOTOR BOARD REPLACEMENT When replacing or testing electronic components, be sure to wear a static strap that is connected to a chassis ground. This protects the electronic components from any static charge while working on the unit. The motor board is located in the E-Box, to the right of the control board. It is mounted to the panel on three (3) plastic mounting studs and a threaded standoff, shown in Figure 55. Table 58 Step Action 1 Disconnect power from the unit.
Viper Service Manual TROUBLESHOOTING TROUBLESHOOTING THE SYSTEM Problem Probable Cause Remedy Unit will not run. A. Unit not plugged in. B. Circuit breaker. C. No power at L1 or L2 on contactor. D. Low voltage at T1 or T2. A. Plug in unit. B. Reset/replace circuit breaker C. Check voltage at outlet. Check wiring to contactor. D. Replace the contactor. “Sleep” display on barrel status menu. A. Sleep time set. B. Clock incorrectly set. C. No wake time set. A. Check sleep programming. B.
Viper Service Manual Troubleshooting Product Not Cold Problem Probable Cause Compressor not Running A. Barrel not in ON mode. B. No voltage to compressor. Compressor Running but not Cooling A. Low refrigerant. Remedy A. Turn barrel to ON. B. Check power at contactor L1, L2 T1, T2. C. Bad start components. C. Check components and wiring. D. Compressor’s thermal overload D. Check resistance of compressor protector “open”. windings and check incoming line voltage. E. Open or shorted compressor wind- E.
Viper Service Manual Publication Number: 621360041TBSER - 66 - © 2010, IMI Cornelius Inc.
IMI Cornelius Inc. www.cornelius.
