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MD/MDH SERIES
MD 150/175/200/250 & MDH 302/402 Beverage/Ice Dispensers
INSTALLATION & SERVICE GUIDE
Part Number 5010330
Manitowoc Beverage Equipment
2100 Future Drive
Sellersburg, IN 47172-1868
Tel: 812.246.7000, 800.367.4233
Fax: 812.246.9922
www.manitowocbeverage.com
In accordance with our policy of continuous product development and
improvement, this information is subject to change at any time without notice.
December 03, 2007 REV5
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Summary of Contents for Servend MD 150
- Page 1 MD/MDH SERIES MD 150/175/200/250 & MDH 302/402 Beverage/Ice Dispensers INSTALLATION & SERVICE GUIDE Part Number 5010330 Manitowoc Beverage Equipment 2100 Future Drive Sellersburg, IN 47172-1868 Tel: 812.246.7000, 800.367.4233 Fax: 812.246.9922 www.manitowocbeverage.com In accordance with our policy of continuous product development and improvement, this information is subject to change at any time without notice.
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Page 2: Foreword
FOREWORD Manitowoc Beverage Equipment (MBE) developed this manual as a reference guide for the owner/ operator, service agent, and installer of this equipment. Please read this manual before installation or operation of the machine. A qualified service technician should perform installation and start- Troubleshooting Guide up of this equipment, consult the within this manual for service assistance. -
Page 3: Table Of Contents
TABLE OF CONTENTS FOREWORD ......................2 UNPACKING AND INSPECTION ................ 2 WARRANTY INFORMATION ................2 SAFETY ....................... 6 IMPORTANT SAFETY INSTRUCTIONS ................6 CARBON DIOXIDE WARNING ................... 6 QUALIFIED SERVICE PERSONNEL .................. 6 SHIPPING, STORAGE, AND RELOCATION ............... 6 ADDITIONAL WARNINGS ....................6 GROUNDING IN STRUCTIONS .................. - Page 4 TABLE OF CONTENTS OPERATION ...................... 23 UNIT INSPECTION ......................23 ICE STORAGE AND DISPENSING ................... 23 ROCKING CHUTE ICE DISPENSING ................23 COLD PLATE BEVERAGE COOLING ................23 BEVERAGE VALVES ......................23 AUTO BAG SELECTORS ....................24 B-I-B ..........................24 PUMPS ..........................
- Page 5 MDH 302/402 EXPLODED VIEW ..................45 MDH 302 PARTS LIST .....................46 MDH 402 PARTS LIST .....................46 MD 150 115V PRE-MIX WIRING DIAGRAM ..............47 MD 150/175/200 115V WIRING DIAGRAM ................ 48 MD 150 220V PRE-MIX WIRING DIAGRAM ..............49 MD 150/175/200 220V WIRING DIAGRAM ................ 50 MD 250 115V WIRING DIAGRAM ..................
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Page 6: Safety
SAFETY IMPORTANT SAFETY INSTRUCTIONS Carefully read all safety messages in this manual. Learn how to operate the MD unit properly. Do not allow anyone to operate the unit without proper training and keep it in proper working condition. Unauthorized modifications to the MD may impair function and/or safety and affect the life of the unit. CARBON DIOXIDE WARNING DANGER: Carbon Dioxide (CO ) displaces oxygen. -
Page 7: Grounding In Structions
Installation and Service Manual SAFETY GROUNDING IN STRUCTIONS WARNING : Risk of electrical shock. Connect to a properly grounded outlet only. This appliance must be grounded. In the event of malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electric shock. This appliance is equipped with a cord having an equipment-grounding conductor and a grounding plug. -
Page 8: Installation
CAUTION: It is recommended if an icemaker is installed on top of the dis- penser, legs should NOT be installed. Legs are optional equipment with most Servend dispens- When installing legs on a MD Series dispenser, leg ers. Standard legs are four-inch (10.2 cm) tall painted braces should be used. -
Page 9: Unit Installation
Installation and Service Manual INSTALLATION UNIT INSTALLATION 1. Place the dispenser in the desired location. tween those pressures proper measures must be taken to regulate them to correct settings. 2. Run the beverage lines and water lines (make sure to install the water connections to the proper inlets. -
Page 10: Carb Tank Purge Tube Routing
INSTALLATION CARB TANK PURGE TUBE ROUTING 1. During installation of unit the carbonator tank purge tube (A) must be properly routed to a drain. Once the splash panel has been removed from unit re- move twist tie (B) that holds carbonator tank purge tube. -
Page 11: Cold Carb And Ambient System Pressures
Installation and Service Manual INSTALLATION COLD CARB AND AMBIENT SYSTEM PRESSURES 1. Incoming tap water should be at a minimum pres- 3. Carbonator Pressure gauge: sure of 40 psi and a maximum of 55psi. • Cold Carbonation set for 75 psi. 2. - Page 12 INSTALLATION COLD CARB BAG-IN-BOX (B-I-B) SYSTEM...
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Page 13: Top Mounted Icemaker Requirements
NOTE: For full information about icemaker installation, including plumbing lines connections and electrical requirements, see the icemaker installation manual. ICE FLOW RESTRICTOR For all Servend MD/MDH Series dispensers an ice flow restrictor is available. This ice flow restrictor decreases the amount of ice allowed to enter the ice chute by block- ing a small area at the entrance of the dispenser chute. -
Page 14: Baffle For Manitowoc™ Cubers
The baffle kit is designed to prevent ice from lying against the front of the ice machine, and melting down the front of the dispenser. There are two different baffle kits available from Servend. One kit is for the 30"... -
Page 15: Plumbing Diagram Location
Installation and Service Manual INSTALLATION PLUMBING DIAGRAM LOCATION The plumbing diagram is printed on a white vinyl label, usually located above the inlet tubes for syrup and later. The plumbing diagram label can be accessed by removing the splash panel of the dispenser. The plumbing diagram label explains which inlet coldplate fittings supply which dispenser valves and water manifolds. -
Page 16: Md-150 6 Valve Plumbing Diagram
INSTALLATION MD-150 6 VALVE PLUMBING DIAGRAM MD-150 6 VALVE FLEX MANIFOLD... -
Page 17: Md-175 8 Valve Plumbing Diagram
Installation and Service Manual INSTALLATION MD-175 8 VALVE PLUMBING DIAGRAM MD-175 8 VALVE FLEX MANIFOLD... -
Page 18: Md-200/250 8 Valve Plumbing Diagram
INSTALLATION MD-200/250 8 VALVE PLUMBING DIAGRAM MD-200/250 8 VALVE FLEX MANIFOLD... -
Page 19: Md-200/250 10 Valve Plumbing Diagram
Installation and Service Manual INSTALLATION MD-200/250 10 VALVE PLUMBING DIAGRAM MD-200/250 10 VALVE FLEX MANIFOLD... -
Page 20: Md-302 12 Valve Plumbing Diagram
INSTALLATION MD-302 12 VALVE PLUMBING DIAGRAM LEFT RIGHT MD-302 12 VALVE FLEX MANIFOLD (1 PER SIDE) -
Page 21: Md-402 16 Valve Plumbing Diagrams
Installation and Service Manual INSTALLATION MD-402 16 VALVE PLUMBING DIAGRAMS LEFT RIGHT MD-402 16 VALVE FLEX MANIFOLD (1 PER SIDE) -
Page 22: Md-402 20 Valve Plumbing Diagrams
INSTALLATION MD-402 20 VALVE PLUMBING DIAGRAMS LEFT RIGHT MD-402 20 VALVE FLEX MANIFOLD (1 PER SIDE) -
Page 23: Operation
Request a written inspection report from a claims inspector to document any necessary claim. ICE STORAGE AND DISPENSING Servend dispensers are designed to dispense hard, cube ice up to one-inch square. The ice shapes and sizes listed below are recommended for dispensing. Warm “Super Cooled” Ice Before Dispensing “Super Cooled” ice is not recommended for dispensing. -
Page 24: Auto Bag Selectors
OPERATION AUTO BAG SELECTORS These are used on higher volume B-I-B systems where two or more bags of the same product are connected to one pump and one system. An auto bag selector is essentially a valve that automatically changes from one bag (or series of bags) to another bag (or series of bags) of syrup as the bags empty, allowing a constant flow of product. -
Page 25: Back Room Package
Installation and Service Manual OPERATION BACK ROOM PACKAGE BAG-IN-BOX SYSTEM Creating Carbonated Water: Pumping Syrup to the Dispenser: 1. Incoming tap water - should be at a minimum dy- 5. CO cylinder - Holds highly pressurized carbon di- namic pressure of 40 psi and maximum static pres- oxide (CO ). -
Page 26: Figal System
OPERATION FIGAL SYSTEM 1. CO cylinder - Holds highly pressurized carbon Pumping Syrup to the Dispenser: dioxide (CO ). The CO cylinder is a steel or alu- 4. Secondary pressure regulator - Lowers the CO minum cylinder tank. CO gas flows to the primary gas pressure, usually at 45-60 psi, before the CO pressure regulator. -
Page 27: Carbonation
Installation and Service Manual OPERATION CARBONATION The purpose of the carbonator is to take water and combine it with CO to create carbonated water. Tap water at street water pressure (minimum 40 PSI dynamic or flowing pressure in a " water line) must be forced into a tank that contains CO (usually at 100 PSI) by using a pump to raise the water pressure above the CO pressure. -
Page 28: Md Series Countertop Measurements
OPERATION MD SERIES COUNTERTOP MEASUREMENTS Letter Description MD-150 MD-175 MD-200/250 MD-250-36 Unit Width 22” 24” 30” 36" Unit Depth 30 1/2" 30 1/2" 30 1/2" 30 1/2" Outside Ice Bin Depth 22" 22 1/2" 22 1/2" 22 1/2" Under Unit Width 18"... -
Page 29: Md Series Specifications
Installation and Service Manual OPERATION MD SERIES SPECIFICATIONS MD Series dispensers have a stainless steel cabinet and lighted merchandiser standard. Beverage valves, coldplate connections, drain connections and electrical components are front serviceable. MD Series dispensers drain through a single " NPT connection to the drain pan. The standard voltage for MD Series dispensers is 120VAC-60Hz. A power cord is provided with 120VAC-60Hz models only. -
Page 30: Mdh Series Countertop Measurements
OPERATION MDH SERIES COUNTERTOP MEASUREMENTS Letter Description MDH-302 MDH-402 Unit Width 42 ¾" 60" Unit Depth 30 ½ " 30 ½" Outside Ice Bin Depth 22 ½" 22 ½" Under Unit Width 38 ¾" 56 ½" Under Unit Depth 20 ½" 21 ¼"... -
Page 31: Mdh Series Specifications
Installation and Service Manual OPERATION MDH SERIES SPECIFICATIONS MDH Series dispensers have a stainless steel cabinet and lighted merchandiser standard. Beverage valves, coldplate connections, drain connections and electrical components are front serviceable. MDH Series dispensers drain through a two " NPT connection to the drain pan. The standard voltage for MDH Series dispensers is 120VAC- 60Hz. -
Page 32: Rocking Chute Ice Delivery Switch Adjustment
OPERATION ROCKING CHUTE ICE DELIVERY SWITCH ADJUSTMENT 1 To properly adjust the switch, first unplug the power cord to the unit then remove the merchandiser. This will give you access to the ice delivery switch lo- cated on the left side of the rocking chute. 2 Begin by observing the chute by slowly pushing against the rocking chute. -
Page 33: Setting The Automatic Agitation Timer
Installation and Service Manual OPERATION SETTING THE AUTOMATIC AGITATION TIMER Some MD Series ice / beverage dispensers have an optional timer, which agitates ice stored in the dispenser bin. The timer is preset at the factory for three seconds ice agitation every three and one half hours. Beginning July, 1999 this timer is not adjustable. -
Page 34: Sequence Of Operation
OPERATION SEQUENCE OF OPERATION Manufactured beginning early 1994 Manufactured before early 1994 Pulley Microswitc Solenoid/Door Mount Door Bumper Plunger Cable Door Solenoid Customer’s cup presses rocking chute push lever or Customer’s cup presses against the push plate. The push customer’s hand presses push button. The clear plastic plate raises the microswitch actuator arm located on the arm at the top and the left rear of the clear plastic chute right side of the ice dispense chute. -
Page 35: User Maintenance
USER MAINTENANCE PREVENTATIVE MAINTENANCE Preventative maintenance is a vital part of keeping your Servend dispenser in top condition. Following the guidelines below will assist you in continued trouble free operation of your unit. Contact MBE at 1-800-367-4233 for more information about our ProActive Maintenance Program. - Page 36 USER MAINTENANCE HOW TO DISASSEMBLE FOR CLEANING OR MAINTENANCE Agitator arm and paddle wheel pin: 8. Rotate the agitator arm so the paddle wheel pin handle is pointing up, toward the ceiling. For the MD-302 dispenser only, reach inside the bin through the area where the strip lid has been removed.
- Page 37 Installation and Service Manual USER MAINTENANCE HOW TO DISASSEMBLE FOR CLEANING OR MAINTENANCE Disassemble the rocking chute: 1. Loosen the two knurled fasteners that hold the merchandiser in place. 2. Remove the merchandiser. 3. Remove outer bracket. 4. Remove door lock. 5.
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Page 38: Daily Cleaning
USER MAINTENANCE DAILY CLEANING All cleaning must meet your local health department regulations. The following cleaning instructions are provided as a guide. CAUTION: Use only warm soapy water to clean the exterior of the tower. Do not use solvents or other cleaning agents . -
Page 39: Monthly Cleaning
Installation and Service Manual USER MAINTENANCE MONTHLY CLEANING Clean and sanitize the ice bin and cold plate: 1. Unplug unit and remove all ice from the ice bin. 2. Mix a solution of mild detergent to clean the dispenser bin and components. 3. -
Page 40: Beverage System Cleaning
USER MAINTENANCE BEVERAGE SYSTEM CLEANING Sanitize the beverage system at initial start-up as well as regularly scheduled cleaning. The drain pan must be in place under soda valves, to carry away detergent and sanitizing agents that will be flushed through valves. BAG-IN-BOX SYSTEM The procedure below is for the sanitation of one syrup circuit at a time. -
Page 41: Figal Beverage System
Installation and Service Manual USER MAINTENANCE BAG-IN-BOX SYSTEM 10. Connect Bucket 3 to system. 16. Soak nozzles, diffusers and removable valve parts (except electrical parts) in sanitizer for 15 minutes. 11. Draw sanitizing solution through system until solu- tion is dispensed. 17. -
Page 42: Exploded Views, Parts & Diagrams
EXPLODED VIEWS, PARTS & DIAGRAMS MD 150/175/200/250 EXPLODED VIEW... -
Page 43: Md 150 Parts List
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MD 150 PARTS LIST MD 175 PARTS LIST... -
Page 44: Md 200/250 Parts List
EXPLODED VIEWS, PARTS & DIAGRAMS MD 200/250 PARTS LIST... -
Page 45: Mdh 302/402 Exploded View
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302/402 EXPLODED VIEW... -
Page 46: Mdh 302 Parts List
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 PARTS LIST MDH 402 PARTS LIST... -
Page 47: Md 150 115V Pre-Mix Wiring Diagram
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MD 150 115V PRE-MIX WIRING DIAGRAM CAUTION ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING MERCHANDISING LAMP (250) BLACK OPTIONAL THERMOSTAT MERCHANDISING LAMP BLACK PURPLE ORANGE WHITE LIGHT OPTIONAL BALLAST STARTER AGITATION... -
Page 48: Md 150/175/200 115V Wiring Diagram
EXPLODED VIEWS, PARTS & DIAGRAMS MD 150/175/200 115V WIRING DIAGRAM TO RESET TRANSFORMER: CAUTION (115 VOLT UNITS ONLY) 1. DISCONNECT POWER SUPPLY. ELECTRICAL SHOCK HAZARD 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. 115 VOLT 3. REPLACE MERCHANDISER DISCONNECT POWER (FRONT ENCLOSURE). -
Page 49: Md 150 220V Pre-Mix Wiring Diagram
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MD 150 220V PRE-MIX WIRING DIAGRAM CAUTION ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING MERCHANDISING LAMP (250) BLACK OPTIONAL THERMOSTAT MERCHANDISING LAMP BLACK PURPLE ORANGE WHITE LIGHT OPTIONAL BALLAST STARTER AGITATION... -
Page 50: Md 150/175/200 220V Wiring Diagram
EXPLODED VIEWS, PARTS & DIAGRAMS MD 150/175/200 220V WIRING DIAGRAM CAUTION 220/240 VOLT ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING WHITE MERCHANDISING LAMP BLACK PURPLE OPTIONAL THERMOSTAT BLUE OPTIONAL BALLAST AGITATION BLACK TIMER BLACK WHITE LINE WHITE LOAD BLACK OPTIONAL... -
Page 51: Md 250 115V Wiring Diagram
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MD 250 115V WIRING DIAGRAM TO RESET TRANSFORMER: CAUTION (115 VOLT UNITS ONLY) 1. DISCONNECT POWER SUPPLY. ELECTRICAL SHOCK HAZARD 115 VOLT 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. DISCONNECT POWER 3. -
Page 52: Md 250 220V Wiring Diagram
EXPLODED VIEWS, PARTS & DIAGRAMS MD 250 220V WIRING DIAGRAM CAUTION 220/240 VOLT ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING WHITE OPTIONAL MERCHANDISING LAMP BLACK PURPLE OPTIONAL MERCHANDISING LAMP PURPLE BLACK BLACK BALLAST WHITE OPTIONAL THERMOSTAT OPTIONAL BLUE BALLAST AGITATION BLACK BLACK TIMER... -
Page 53: Mdh 302 115V Wiring Diagram
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 115V WIRING DIAGRAM TO RESET TRANSFORMER: CAUTION (115 VOLT UNITS ONLY) 1. DISCONNECT POWER SUPPLY. ELECTRICAL SHOCK HAZARD 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. 3. REPLACE MERCHANDISER DISCONNECT POWER (FRONT ENCLOSURE). -
Page 54: Mdh 302 220V Wiring Harness
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 302 220V WIRING HARNESS CAUTION 220/240 VOLT ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING OPTIONAL MERCHANDISING LAMP OPTIONAL MERCHANDISING LAMP BLUE BLUE BLUE OPTIONAL BLUE THERMOSTAT WHITE BALLAST BALLAST ICE DISPENSE BLUE BLACK SWITCH BLACK BLUE BLUE... -
Page 55: Mdh 402 115V Wiring Diagram
Installation and Service Manual EXPLODED VIEWS, PARTS & DIAGRAMS MDH 402 115V WIRING DIAGRAM... -
Page 56: Mdh 402 220V Wiring Diagram
EXPLODED VIEWS, PARTS & DIAGRAMS MDH 402 220V WIRING DIAGRAM TO RESET TRANSFORMER: CAUTION (115 VOLT UNITS ONLY) MDH-402 1. DISCONNECT POWER SUPPLY. DWG#: 5029432 ELECTRICAL SHOCK HAZARD 2. PRESS RESET BREAKER SWITCH ON TRANSFORMER. REV. 0 3. REPLACE MERCHANDISER DISCONNECT POWER (FRONT ENCLOSURE). -
Page 57: Troubleshooting
Installation and Service Manual TROUBLESHOOTING PUMP PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Pump motor does not Black and/or red probe shorted Remove probes and bend straight or replace with new pump. probe(s) Problem with motor or motor wiring Check line voltage first. Check AC voltage across load terminals on Liquid Level Control. -
Page 58: Drinks
TROUBLESHOOTING PUMP PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Pump motor intermittent Problem with Liquid Level Control Check line voltage first. If AC voltage across Board. load terminals on Liquid Level Control Board is not 120 plus or minus 10%, replace the Liquid Level Contorl board. - Page 59 Installation and Service Manual TROUBLESHOOTING DRINKS CONDITION INVESTIGATION CHECK CORRECTION Water only dispensing No pressure Regulator(s) out of Check/adjust regulator(s) adjustment Out of CO Install fresh tank Defective regulator(s) Check/repair/replace regulator(s) line pinched, kinked or Check/repair/replace CO line obstructed Syrup and CO only Carbonator No power...
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Page 60: Liquid Level Control
Installation and Service Manual TROUBLESHOOTING LIQUID LEVEL CONTROL START START Does Does Pump Pump motor motor come on? come on? Remove red Remove red Is pump Is pump and black and black motor motor wires from wires from operation operation LLC. - Page 62 Installation and Service Manual...
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Page 63: Index
INDEX Back Room Package ....25 FOREWORD ......2 Operation ........6 TROUBLESHOOTING brixing ........2 57, 58, 59, 60 health department ....38 Power outlet ......8 Carbon Dioxide ......6 Unit Inspection ......23 CAUTION ....9, 28, 31, 39 UNPACKING ...... - Page 64 Manitowoc Beverage Equipment 2100 Future Drive Sellersburg, IN 47172-1868 Tel: 812.246.7000, 800.367.4233 Fax: 812.246.9922 www.manitowocbeverage.com In accordance with our policy of continuous product development and improvement, this information is subject to change at any time without notice. 5009448 December 03, 2007 REV5...
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I need the paddle wheel #
The paddle wheel part number for Servend MD150 is 5001051.
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