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Servend MDH 302 - User Manual

Servend MDH 302
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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
MD/MDH SERIES
MD 150/175/200/250 & MDH 302/402 Beverage/Ice Dispensers
INSTALLATION & SERVICE GUIDE
Part Number 5010330

Table of Contents

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Summary

Foreword and Initial Checks

Unpacking and Inspection

Details on how to inspect the dispenser after delivery for any damage or irregularities.

Warranty Information

Information regarding warranty terms, exclusions, and activation procedures for the equipment.

Safety Guidelines and Warnings

Important Safety Instructions

Crucial safety messages for operating the MD unit properly and maintaining its condition.

Carbon Dioxide Warning

Dangers associated with CO2 exposure, including suffocation risks and proper ventilation.

Qualified Service Personnel

Requirement for trained and certified technicians for servicing electrical and plumbing aspects.

Shipping, Storage, and Relocation

Precautions for sanitizing and purging units before shipping, storing, or relocating to prevent damage.

Additional Warnings

Various cautions regarding ice bin parts, sanitizing solutions, and cleaning chemicals.

Grounding Instructions

Essential guidelines for proper grounding to reduce the risk of electric shock during operation.

Installation Procedures and Diagrams

Pre-Installation Check List

A checklist of major components and site requirements necessary for a successful installation.

Legs Installation

Guidance on installing optional legs, including the use of leg braces for reinforcement.

Unit Installation Steps

Step-by-step instructions for placing the dispenser, connecting lines, and setting up utilities.

Drainage Options

Illustrates two methods for connecting the dispenser's drain pan to a drainage system.

Carb Tank Purge Tube Routing

Detailed instructions on correctly routing the carbonator tank purge tube to a drain.

Cold Carb and Ambient System Pressures

Specifies required water and carbonator pressures for cold and ambient beverage systems.

Ambient Bag-in-Box (B-I-B) System Overview

A schematic showing the typical components and flow of an ambient B-I-B beverage system.

Cold Carb Bag-in-Box (B-I-B) System Overview

A schematic illustrating the configuration of a cold carbonation B-I-B dispensing system.

Top Mounted Icemaker Requirements

Guidelines for clearances, placement, and adapter kits needed for installing an icemaker on top.

Ice Flow Restrictor Installation

Instructions for installing an ice flow restrictor to control ice dispensing rate.

Baffle for Manitowoc Cubers

Details on installing a baffle kit for Manitowoc 'S' series ice machines on Servend dispensers.

Baffle for Q Series Ice Machines

Instructions for mounting a baffle on 'Q' series ice machines for proper dispenser integration.

Manual Fill Lid for Dispensers with Cuber

Information on obtaining and installing a manual fill lid when a cuber is top-mounted.

Plumbing Diagram Location

Guidance on locating the plumbing diagram label, typically found behind the dispenser's splash panel.

MD-150 6-Valve Plumbing Diagram

Diagram showing the recommended plumbing layout for the Servend MD-150 6-valve dispenser.

MD-150 6-Valve Flex Manifold Operation

Explanation of how to operate the flex manifold for selecting carbonated or non-carbonated water.

MD-175 8-Valve Plumbing Diagram

Diagram illustrating the recommended plumbing for the Servend MD-175 8-valve dispenser.

MD-175 8-Valve Flex Manifold Operation

Instructions for operating the flex manifold on the MD-175 8-valve dispenser.

MD-200;250 8-Valve Plumbing Diagram

Plumbing diagram for the Servend MD-200/250 dispenser featuring 8 valves.

MD-200;250 8-Valve Flex Manifold Operation

Operation guide for the flex manifold on the MD-200/250 8-valve models.

MD-200;250 10-Valve Plumbing Diagram

Plumbing diagram for the Servend MD-200/250 dispenser with 10 valves.

MD-200;250 10-Valve Flex Manifold Operation

Operation details for the flex manifold on the MD-200/250 10-valve units.

MD-302 12-Valve Plumbing Diagram

Plumbing diagram for the Servend MD-302 dispenser, which has 12 valves.

MD-302 12-Valve Flex Manifold Operation

Operation instructions for the flex manifold on the MD-302 12-valve dispenser.

MD-402 16-Valve Plumbing Diagrams

Plumbing diagrams for the Servend MD-402 dispenser with 16 valves.

MD-402 16-Valve Flex Manifold Operation

Operation guide for the flex manifold on the MD-402 16-valve models.

MD-402 20-Valve Plumbing Diagrams

Plumbing diagrams detailing the configuration for the MD-402 dispenser with 20 valves.

MD-402 20-Valve Flex Manifold Operation

Operation instructions for the flex manifold on the MD-402 20-valve dispensers.

Operation of Beverage Dispensers

Unit Inspection

Procedures for thoroughly inspecting the dispenser unit upon delivery and reporting any damage.

Ice Storage and Dispensing

Information on recommended ice types, storage, and handling of 'super cooled' or flake ice.

Rocking Chute Ice Dispensing

Description of the mechanism and operation of the rocking chute for dispensing ice.

Cold Plate Beverage Cooling

Explanation of how the cold plate chills beverage components via serpentine tubes.

Beverage Valves

Details on post-mix beverage valves and their function in metering syrup and water for mixing.

Auto Bag Selectors

Function of auto bag selectors in high-volume B-I-B systems for continuous syrup flow.

Bag-in-Box (B-I-B) System

Overview of the B-I-B system, using plastic disposable bags for syrup storage.

Pumps in B-I-B Systems

Explanation of gas-operated pumps used in B-I-B systems to deliver syrup.

Racking for Beverage Systems

Guidance on proper placement of product racks for B-I-B and Figal syrup systems.

Pre-Mix & Post-Mix Beverage Dispensers

Distinction between pre-mix and post-mix systems, common in temporary and permanent installations.

Back Room Package Components

Description of components typically found in a back room setup for beverage dispensing.

Bag-in-Box (B-I-B) System Details

Detailed explanation of B-I-B system components, including CO2 cylinder and syrup pumps.

Figal System Overview

Explanation of the Figal system, detailing CO2 supply and syrup delivery using Figal tanks.

Carbonation Process

Explanation of how water is combined with CO2 to create carbonated water.

Internal Carbonation System

Details on the components and operation of the internal carbonation system, including probes.

MD Series Countertop Measurements

Diagram and table showing dimensions for MD Series dispensers, including countertop cut-out sizes.

MD Series Specifications

Technical specifications for MD Series dispensers, covering dimensions, ice storage, valves, and power.

MDH Series Countertop Measurements

Dimensional data for MDH Series dispensers, including countertop requirements and cut-out dimensions.

MDH Series Specifications

Technical specifications for MDH Series dispensers, including dimensions, ice capacity, and valve counts.

Rocking Chute Ice Delivery Switch Adjustment

Procedure for adjusting the ice delivery switch on the rocking chute for proper operation.

Setting the Automatic Agitation Timer

Instructions for setting the optional automatic agitation timer for ice bin ice circulation.

115 V;220 V Non-Adjustable Agitation Timer

Testing procedure for non-adjustable agitation timers using test pins.

Sequence of Operation

Explanation of the operational sequence for ice dispensing mechanisms, both older and newer models.

User Maintenance and Cleaning

Preventative Maintenance

Guidelines for daily, monthly, and periodic maintenance to ensure optimal dispenser performance.

Disassembly for Cleaning or Maintenance

Step-by-step instructions on how to disassemble various dispenser parts for cleaning.

Daily Cleaning Procedures

Routine cleaning tasks for the dispenser exterior, drain pan, and dispensing valves.

Monthly Cleaning and Sanitizing

Detailed steps for cleaning and sanitizing the ice bin, cold plate, and dispenser components.

Beverage System Cleaning

Procedures for cleaning the beverage system, including flushing valves with detergent and sanitizer.

Bag-in-Box (B-I-B) System Cleaning

Instructions for sanitizing one syrup circuit at a time in a B-I-B system.

Figal Beverage System Cleaning

Steps for cleaning and sanitizing the Figal syrup tanks and associated beverage lines.

Exploded Views, Parts Lists, and Wiring Diagrams

MD 150;175;200;250 Exploded View

An exploded view illustrating the assembly of MD 150/175/200/250 series dispensers.

MD 150 Parts List

A comprehensive list of part numbers and descriptions for the MD 150 dispenser model.

MD 175 Parts List

A comprehensive list of part numbers and descriptions for the MD 175 dispenser model.

MD 200;250 Parts List

A comprehensive list of part numbers and descriptions for the MD 200/250 dispenser models.

MDH 302;402 Exploded View

An exploded view showing the assembly of MDH 302/402 series beverage/ice dispensers.

MDH 302 Parts List

A comprehensive list of part numbers and descriptions for the MDH 302 dispenser.

MDH 402 Parts List

A comprehensive list of part numbers and descriptions for the MDH 402 dispenser.

MD 150 115 V Pre-Mix Wiring Diagram

Wiring diagram for the MD 150 115V pre-mix dispenser, showing electrical connections.

MD 150;175;200 115 V Wiring Diagram

Wiring diagram for 115V MD 150/175/200 models, detailing electrical component connections.

MD 150 220 V Pre-Mix Wiring Diagram

Wiring diagram for the MD 150 220V pre-mix dispenser, illustrating electrical pathways.

MD 150;175;200 220 V Wiring Diagram

Wiring diagram for 220V MD 150/175/200 models, showing all electrical connections.

MD 250 115 V Wiring Diagram

Wiring diagram for the MD 250 115V dispenser, detailing electrical component layout.

MD 250 220 V Wiring Diagram

Wiring diagram for the MD 250 220V dispenser, illustrating electrical connections.

MDH 302 115 V Wiring Diagram

Wiring diagram for the MDH 302 115V dispenser, covering its electrical system.

MDH 302 220 V Wiring Harness

Wiring harness diagram for the MDH 302 220V dispenser, showing electrical pathways.

MDH 402 115 V Wiring Diagram

Wiring diagram for the MDH 402 115V dispenser, detailing electrical connections.

MDH 402 220 V Wiring Diagram

Wiring diagram for the MDH 402 220V dispenser, illustrating the electrical system.

Troubleshooting Common Issues

Pump Troubleshooting

Diagnosing and correcting common problems related to the dispenser's pump motor.

Drinks Dispensing Issues

Troubleshooting steps for problems like warm drinks, no water/syrup/gas, or incorrect taste.

Liquid Level Control Troubleshooting

Flowchart and steps for diagnosing issues with the liquid level control system.

Servend MDH 302 Specifications

General IconGeneral
ManufacturerServend
ModelMDH 302
CategoryBeverage Dispenser
Voltage115V
MaterialStainless Steel
Temperature ControlThermostat

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