MULTIPLEX MII-302/402 Owner Instruction Manual

Brand: MULTIPLEX

Model: MII-302/402

Category: Ice cube makers

Type: Owner Instruction Manual

This manual is also suitable for

MII-302/402 ()

Installation, Use & Care Manual

This manual is updated as new information and models are released.

Visit our website for the latest manual. www.manitowocfsg.com

Leader in Ice & Beverage Dispensers

MII-302 with Flex Manifold Series

Ice & Beverage Dispensers

Part Number 5031216 01/09

We reserve the right to make product improvements at any time.

Specifications and design are subject to change without notice.

Safety Notices

As you work on Manitowoc equipment, be sure to pay

close attention to the safety notices in this manual.

Disregarding the notices may lead to serious injury and/

or damage to the equipment.

Throughout this manual, you will see the following types

of safety notices:

Procedural Notices

As you work on Manitowoc equipment, be sure to read

the procedural notices in this manual. These notices

supply helpful information which may assist you as you

work.

Throughout this manual, you will see the following types

of procedural notices:

NOTE: Text set off as a Note provides you with simple,

but useful, extra information about the procedure you

are performing.

Read These Before Proceeding:

NOTE: SAVE THESE INSTRUCTIONS.

! Warning

Text in a Warning box alerts you to a potential

personal injury situation. Be sure to read the

Warning statement before proceeding, and work

carefully.

Caution

Text in a Caution box alerts you to a situation in

which you could damage the equipment. Be sure to

read the Caution statement before proceeding, and

work carefully.

Important

Text in an Important box provides you with

information that may help you perform a procedure

more efficiently. Disregarding this information will

not cause damage or injury, but it may slow you

down as you work.

Caution

Proper installation, care and maintenance are

essential for maximum performance and trouble-

free operation of your Manitowoc equipment. Read

and understand this manual. It contains valuable

care and maintenance information. If you encounter

problems not covered by this manual, do not

proceed, contact Manitowoc Foodservice Group.

We will be happy to provide assistance.

Important

Routine adjustments and maintenance procedures

outlined in this manual are not covered by the

warranty.

! Warning

PERSONAL INJURY POTENTIAL

Do not operate equipment that has been misused,

abused, neglected, damaged, or altered/modified

from that of original manufactured specifications.

Section 1

General Information

Read This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Unit Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Model Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

How To Read A Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Baffle for Manitowoc

Ice Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Manual Fill Lid for Dispensers with aN Ice Machine . . . . . . . . . . . . . . . . . . 1-1

Legs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Section 2

Installation Instructions

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

MII-302 Footprint. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Location Requirements for Top Mounted Ice Machine Installations . . . . . . . . 2-3

Pre-installation Checklist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Bulk Syrup System also: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Double Check: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Also Consider The Location Of The Following Items Before Installation: . . 2-5

Additional Checks for Top Mounted Ice Machine Installations . . . . . . . . . . 2-5

Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Installing Baffle for Ice Machine Installations . . . . . . . . . . . . . . . . . . . . . . . 2-6

“S” Series Baffle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

"Q" Series Baffle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Minimum Circuit Ampacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Minimum Circuit Amperage Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Grounding Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Water Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Recommended Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Diagram Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

MDH-302 12 Valve Plumbing DIagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Step by Step Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Specifications Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Unit Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

System Pressures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Starting Your Beverage System & Dispenser. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Section 3

Operation

General System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Component Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Sequence of Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Ice Recommended for Dispensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Ice Storage and Dispensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Beverage Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Rocking Chute Ice Dispensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Carbonation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Rocking Chute Ice Dispensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Syrup Delivery System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Back Room Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Racking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

B-I-B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Auto Bag Selectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Figal System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Figal Tanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Non-Adjustable Agitation Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Operation Checks and Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Rocking Chute Ice Delivery Switch Adjustment . . . . . . . . . . . . . . . . . . . . . . 3-5

Section 4

Maintenance

Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Daily Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Monthly Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Cleaning Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Disassembly for Cleaning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Disassemble the Rocking Chute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Non-front Serviceable Gear Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Front Serviceable Gear Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Sanitizing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Beverage System Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Bag-In-Box System Sanitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6

Figal Beverage System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Shipping, Storage and Relocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Section 5

Before Calling for Service

Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Drink Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Pump Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Part Number 5031216 01/09 4

Table of Contents

Section 1 General Information

Part Number 5031216 01/09 1-1

Section 1

General Information

Read This Manual

Manitowoc Beverage Equipment (MBE) developed this

manual as a reference guide for the owner/operator and

installer of this equipment. Please read this manual

before installation or operation of the machine. A

qualified service technician must perform installation and

start-up of this equipment, consult Section 5 within this

manual for service assistance.

If you cannot correct the service problem, call your MBE

Service Agent or Distributor. Always have your model

and serial number available when you call.

Your Service Agent ____________________________

Service Agent Telephone Number_________________

Your Local MBE Distributor ______________________

Distributor Telephone Number____________________

Model Number _______________________________

Serial Number ________________________________

Installation Date ______________________________

Unit Inspection

Thoroughly inspect the unit upon delivery. Immediately

report any damage that occurred during transportation to

the delivery carrier. Request a written inspection report

from a claims inspector to document any necessary

claim.

Model Numbers

This manual covers the following models:

HOW TO READ A MODEL NUMBER

Accessories

BAFFLE FOR MANITOWOC® ICE MACHINE

When installing a Manitowoc Ice Machine on a

dispenser, a baffle kit is required for proper installation.

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 for “S” series ice machines, one kit is for

the 30" wide machine, and the other kit is for the 22"

wide machine. There is also a kit for “Q” series ice

machines.

Kits are available through your local distributor. List

prices may be subject to change without notification.

Please call your local parts distributor for current pricing

before ordering.

MANUAL FILL LID FOR DISPENSERS

WITH AN ICE MACHINE

If you are top mounting your dispenser with a ice

machine, you will require a lid for the manual fill area at

the top, front of the dispenser.

If you ordered a dispenser and a ice machine at the

same time, the manual fill lid was included with the unit.

The manual fill lid can be ordered from your local

distributor.

Warning

PERSONAL INJURY POTENTIAL

Do not operate equipment that has been misused,

abused, neglected, damaged, or altered/modified

from that of original manufactured specifications.

Beverage/Ice Dispensers

MII-302

MDH = Ice/Beverage

MII = Ice/Beverage with

Remote Refrigeration

i = Intellicarb

QD = Quickdraw

SCI = Ice Crusher

Ice Capacity

Model Prefix

Model Suffix

Model Base

MII–302– i

General Information Section 1

1-2

Part Number 5031216 01/09

LEGS

Legs are optional equipment with most MBE dispensers.

Standard legs are 4" (10.2 cm) tall stainless steel legs. If

an ice machine is installed on top of the dispenser, legs

must not be installed. We do not recommend using legs

when an ice machine is mounted on the dispenser. The

combined weight of the dispenser, ice and ice machine

is more evenly distributed when the base area of the

dispenser is in contact with the counter top.

Serial Number Location

This number is required when requesting information

from your local distributor. The serial number is listed on

the SERIAL NUMBER DECAL affixed to the dispenser.

Serial Number Location

Warranty Information

Consult your local MBE Distributor for terms and

conditions of your warranty. Your warranty specifically

excludes all beverage valve brixing, general

adjustments, cleaning, accessories and related

servicing.

Your warranty card must be returned to MBE to activate

the warranty on this equipment. If a warranty card is not

returned, the warranty period can begin when the

equipment leaves the MBE factory.

No equipment may be returned to MBE without a written

Return Materials Authorization (RMA). Equipment

returned without an RMA will be refused at MBE’s dock

and returned to the sender at the sender’s expense.

Please contact your local MBE distributor for return

procedures.

Label

Part Number 5031216 01/09 2-1

Section 2

Installation Instructions

General

These instructions are provided to assist the qualified

installer. Contact your Manitowoc Beverage Equipment

Service Agent or call Manitowoc Beverage Equipment

for information regarding start-up services.

Dimensions

Important

Failure to follow these installation guidelines may

affect warranty coverage.

MODELABCDE

MDH-302 42.75"

(108.59 cm)

30.50"

(77.47 cm)

22.50"

(57.15 cm)

38.75"

(98.43 cm)

20.50"

(52.07 cm)

Installation Instructions Section 2

2-2

Part Number 5031216 01/09

MII-302 Footprint

Minimum Area

for Cutout

Maximum Area

for Cutout

Model

Maximum Minimum

ABCD

MDH-302 38.75"

(98.43 cm)

20.50"

(52.07 cm)

3.00"

(7.62 cm)

32.00"

(81.28 cm)

Caution

Cutting the countertop may decrease its strength.

Counter must be braced to support the dispenser

countertop weight plus ice storage capacity and

weight of icemaker, if applicable.

Section 2 Installation Instructions

Part Number 5031216 01/09 2-3

Location

The location selected for the beverage dispenser must

meet the following criteria. If any of these criteria are not

met, select another location.

• The air temperature must be at least 50°F (10°C), but

must not exceed 95°F (35°C).

• The location must not be near heat-generating

equipment or in direct sunlight and must be protected

from weather.

• The countertop must be level. Verify that the

countertop can support the weight of the dispenser,

or the dispenser/ice machine combination plus the

weight of the stored ice.

• Water lines, drains and power outlet must be within 6'

(1.8 m) of location.

Location Requirements for Top Mounted Ice

Machine Installations

Location — Avoid placing the dispenser and/or ice

machine near heat sources such as radiators, ovens,

refrigeration equipment and direct sunlight.

Clearances — Refer to the ice machine installation

manual for clearances.

Front of ice machine to be flush with front of

dispenser — Some ice machines may overhang at the

back of the dispenser.

Drains — A separate drain line is required for the ice

machine, in addition to a drain line for the ice/beverage

dispenser.

Dispensers may require an adapter kit to install some

top-mounted ice machines. Contact your local distributor

for the correct adapter kit.

For full information about ice machine installation,

including clearances, plumbing lines, connections,

and electrical requirements, see the ice machine

installation manual.

Warning

Carbon Dioxide (CO

) displaces oxygen. Exposure

to a high concentration of CO

gas causes tremors,

which are followed rapidly by loss of consciousness

and suffocation. If a CO

gas leak is suspected,

particularly in a small area, immediately ventilate the

area before repairing the leak. CO

lines and pumps

must not be installed in an enclosed space. An

enclosed space can be a cooler or small room or

closet. This may include convenience stores with

glass door self serve coolers. If you suspect CO

may build up in an area, venting of the B-I-B pumps

and / or CO

monitors must be utilized.

Installation Instructions Section 2

2-4

Part Number 5031216 01/09

Pre-installation Checklist

When installing any system, first make sure the major components are available. Generally the major components

necessary for an installation are:

Pre-mix System:

B-I-B System also:

Post Mix System:

Figal System also:

Bulk Syrup System also:

regulator set

Product connectors for Figal tank

Gas connectors for Figal tank

Beverage dispenser

Beverage tubing

tank

Figal beverage tanks

Stepless (Oetiker) clamps

Chain for CO

tank

B-I-B connectors

B-I-B regulator set

B-I-B rack

B-I-B syrup boxes

regulator set

Beverage dispenser

Beverage tubing

tank

Carbonator

Stepless (Oetiker) clamps

Chain for CO

tank

Syrup connectors for Figal tank

Gas connectors for Figal tank

Figal syrup tanks

Syrup connectors for Bulk tank

Gas connectors for Bulk tank

Bulk syrup tanks

Section 2 Installation Instructions

Part Number 5031216 01/09 2-5

DOUBLE CHECK:

ALSO CONSIDER THE LOCATION OF THE

FOLLOWING ITEMS BEFORE INSTALLATION:

ADDITIONAL CHECKS FOR TOP MOUNTED ICE

MACHINE INSTALLATIONS

For full information about icemaker installation,

including plumbing lines connections and electrical

requirements, see the icemaker installation manual.

Do you have enough space to install the

dispenser or a dispenser and top mounted ice

machine?

Does top mounted ice machine (if utilized) have

a minimum of 6 inches (15.3 cm) clearance on

all sides?

Is the countertop level?

Can the countertop support the weight of the

dispenser, or the dispenser/ice machine

combination plus the weight of the stored ice?

Water line

Drain

Power outlet

Heating and air conditioning ducts

Location — Avoid placing the dispenser and/or

ice machine near heat sources such as

radiators, ovens, refrigeration equipment and

direct sunlight.

Clearances — Six inch (15.2 cm) clearance on

all sides of the icemaker is needed.

Front of icemaker to be flush with front of

dispenser — The front of the icemaker must be

flush with the front of the dispenser. When the

icemaker is flush with the front of the dispenser,

some icemakers may overhang at the back of

the dispenser.

Drains — A separate drain line is required for

the ice machine, in addition to a drain line for

the ice/beverage dispenser.

Dispensers may require an adapter kit to install

some top-mounted icemakers. Contact your

local distributor for the correct adapter kit.

6" (15.2 cm)

clearance

for cuber

cuber

(15.2 cm)

6" (15.2 cm)

Installation Instructions Section 2

2-6

Part Number 5031216 01/09

Assembly

INSTALLING BAFFLE FOR ICE MACHINE

INSTALLATIONS

“S” Series Baffle

1. Remove both front panels.

2. Examine the ice machine to see if the machine has

four screws on the lower front plastic panels.

3. If there are screws, remove them from the

countersunk holes on the front surface of the

machine, save the screws.

4. Install the deflector, using the four screws removed

in step three.

5. Four screws and two backing plates are in the kit.

6. If there are no screws on the ice machine (step 2),

pierce the thin plastic countersunk holes, install the

backing plates and install the deflector using the

screws from the kit.

7. Replace the front panels.

"S" Series Ice Machine

"Q" Series Baffle

1. Position baffle on top of water well with tab on the

front and the other tab inside the water well.

2. Mount the baffle on the left side of the ice machine

using the hole and screw provided.

"Q" Series Ice Machine

Backing Plate

to Be Inserted

Into Side

Pocket of

Bulkhead

Screws

New Ice Baffle

Backing Plate

to Be Inserted

Into Side

Pocket of

Bulkhead

Baffle, Manitowoc Ice

Machine

0.69"

(1.7 cm)

Ref.

6.32"

(16.0 cm)

Ref.

7.22"

(18.3 cm)

Ref.

Section 2 Installation Instructions

Part Number 5031216 01/09 2-7

Electrical

GENERAL

MINIMUM CIRCUIT AMPACITY

The minimum circuit ampacity is used to help select the

wire size of the electrical supply. (Minimum circuit

ampacity is not the beverage/ice machine’s running amp

load.) The wire size (or gauge) is also dependent upon

location, materials used, length of run, etc., so it must be

determined by a qualified electrician.

ELECTRICAL REQUIREMENTS

Refer to Ice Machine Model/Serial Plate for voltage/

amperage specifications.

VOLTAGE

The standard voltage for MDH Series dispensers is

120VAC-60Hz. A power cord is provided with 120VAC-

60Hz models only. MDH Series dispensers use a 1/7 hp

gearmotor.

MINIMUM CIRCUIT AMPERAGE CHART

Grounding Instructions

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. The plug must be plugged into an

appropriate outlet that is properly installed and grounded

in accordance with all local codes and ordinances.

Warning

All wiring must conform to local, state and national codes.

Important

Due to continuous improvements, this information is

for reference only. Please refer to the dispenser

serial number tag to verify electrical data. Serial tag

information overrides information listed on this page.

Dispenser Voltage/Cycle

Minimum

Circuit Amps

MII-302 115/60 3.5 FLA

220/50, 4.0 FLA

Warning

Risk of electrical shock. Connect to a properly

grounded outlet only.

Warning

Improper connection of the equipment-grounding

conductor can result in a risk of electric shock.

The conductor with insulation having an outer

surface that is green with or without yellow stripes

is the equipment grounding conductor. If repair or

replacement of the cord or plug is necessary, do

not connect the equipment-grounding conductor

to a live terminal. Check with a qualified electrician

or serviceman if the grounding instructions are

not completely understood, or if in doubt as to

whether the appliance is properly grounded. Do

not modify the plug provided with the appliance —

if it will not fit the outlet, have a proper outlet

installed by a qualified electrician.

Installation Instructions Section 2

2-8

Part Number 5031216 01/09

Warning

When using electric appliances, basic precautions

should always be followed, including the following:

a. Read all the instructions before using the

appliance.

b. To reduce the risk of injury, close

supervision is necessary when an

appliance is used near children.

c. Do not contact moving parts.

d. Only use attachments recommended or

sold by the manufacturer.

e. Do not use outdoors.

f. For a cord-connected appliance, the

following shall be included:

• Do not unplug by pulling on cord. To

unplug, grasp the plug, not the cord.

• Unplug from outlet when not in use and

before servicing or cleaning.

• Do not operate any appliance with a

damaged cord or plug, or after the

appliance malfunctions or is dropped or

damaged in any manner. Contact the

nearest authorized service facility for

examination, repair, or electrical or

mechanical adjustment.

g. For a permanently connected appliance —

Turn the power switch to the off position

when the appliance is not in use and before

servicing or cleaning.

h. For an appliance with a replaceable lamp —

Always unplug before replacing the lamp.

Replace the bulb with the same type.

i. For a grounded appliance — Connect to a

properly grounded outlet only. See

Grounding Instructions.

Section 2 Installation Instructions

Part Number 5031216 01/09 2-9

Water Supply

RECOMMENDED PLUMBING

The plumbing diagram is printed on a white vinyl label,

normally located above the inlet tubes for syrup and

water. 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.

The water supply must first be connected to the

carbonator pump (not shown) before plumbing to

connection “A” shown on plumbing diagram. The

carbonator pump deck must be within six feet of the

dispenser for optimum performance. See BIB installation

diagram for system pressure settings.

A check valve must be installed in the water supply

line 3 feet from the noncarbonated water connection

“PW”. Contact factory if not installed.

DIAGRAM LOCATION

MDH-302 12 VALVE PLUMBING DIAGRAM

PLUMBING

DIAGRAM

PLUMBING

DIAGRAM

Splash Panel

Plumbing

Diagram

Plumbing

Diagram

Installation Instructions Section 2

2-10

Part Number 5031216 01/09

STEP BY STEP INSTALLATION

GENERAL

MII series dispensers have a stainless steel cabinet and

lighted merchandiser standard.

Beverage valves, coldplate connections, drain

connections and electrical components are front

serviceable.

CAPACITIES

SPECIFICATIONS CHART

* This is the optimal pressure. For high foam, decrease the pressure,

for spitting/popping, increase the pressure.

Dispenser Valves Ice Storage

MII-302 10 or 12 300 lbs

MDH-302 w/EM 10 or 12 300 lbs

MIN. MAX

Incoming Plain

Water Pressure

40 psi dynamic 70 psi static

Plain Water Pressure

to Carb Tank

55 psi 65 psi

Ambient

Temperature

40°F

(4°C)

105°F

(41°C)

2 Pressure

(Primary)

90 psi 100 psi

Electrical 115V/60 Hz/1 230V/50-60 Hz/1

Pre-mix Pressure

Normal 60 psi*

Diet 40 psi*

B-I-B (Secondary) 75 psi or according to line run

Flavor Shots 30 psi or according to line run

Section 2 Installation Instructions

Part Number 5031216 01/09 2-11

UNIT INSTALLATION

1. Place the dispenser in the desired location.

NOTE: The unit must be placed and operated in a

horizontal, level position. This unit is not suitable for areas

cleaned with a water jet, pressure washers or water hoses.

2. Run the beverage lines and water lines; make sure

to install the water connections to the proper inlets.

Connection “A” comes from the brass carbonator

pump and connection “B” is your plain water supply.

Follow the instructions for the kit below.

Water & Syrup Lines

• This kit facilitates connecting the unit to a 12-16 line

conduit, with one or two carbonated water recirculating

systems, and one or two plain water supply lines, and

maximum 8 syrup product lines.

• The Unit is shipped with connecting lines terminating

under the unit. It will be necessary to make a 90° turn

down through the counter top, to connect to the conduit. It

will also be necessary to fully insulate this new added

section before passing through the counter top, or before

hooking to main conduit.

Carb Water Lines

• Unit has two (2) carb water lines, one for each flex

manifold.

• Use 2 @ ½” x ½” elbow and 6-12" of ½” conduit tubing to

make connection bend from unit down through hole in

counter top, to mate with conduit.

• Conduit with only two (2) circulating carb water lines

• Use 2 @ ½” barb U-Bend adaptors (invert one) to

connect the two carb circulating lines from conduit to the

two carb water lines from the unit. Use short ½” conduit

line to connect the two U-bends as shown (option to 8).

• Conduit with four (4), two sets of recirculating carb water

lines

• Use 2 @ ½” barb U-Bend adaptors, to connect each set of

circulating conduit lines to each carb water line from unit

as shown (8) .

Installation Instructions Section 2

2-12

Part Number 5031216 01/09

Plain Water Lines

• Unit has two (2) plain water lines, one for each flex

manifold.

• Use 2 @ 3/8" x 1/2" elbows and 6-12" of 1/2" conduit

tubing to make connection bend from unit down through

hole in counter top, to mate with conduit.

• Conduit with only one (1) plain water line

• Use 1 @ ½” U-bend adaptor, to connect the two plain

water lines to one plain water line from conduit (option to

3.)

• Conduit has two (2) plain water lines

• Use 2 @ ½” straight adaptors to connect each plain water

line from unit to each plain water line from conduit as

shown (3.)

Syrup Lines

• Unit has eight (8) syrup lines

• Use 7 @ ¼ x 3/8" and 1 @ ¼ x ½” elbows and proper

size conduit tubing to make connection bend from unit

down through hole in counter top, to mate with conduit.

• FULLY INSULATE (no air gaps) and finish with tape wrap,

all these connections from unit, through 90° bend

connection and down close to straight conduit connection.

Locate Unit properly on counter, and secure to counter as

shown in Unit Installation Instructions. Finish connections

to Conduit with 3/8" x 3.8" and ½” x ½” straight barb

connectors, and U-bend adapters, as needed.

• FULLY INSULATE and finish with tape wrap, all these

connections to the conduit.

3. Install plumbing drains (see below) and insulate.

Drains

4. Fill bin with ice.

5. Set flexible manifold for correct drink settings.

6. Turn water supply on to the dispenser.

7. Purge air from the carbonator tank. Lift the pressure

relief valve tab on the carbonator tank until water

comes out of the relief valve.

8. Connect the pump deck control lead to the pump motor.

9. Connect power supply cords. (There are (2) two cords

that need to be connected to a 115V power supply.)

10. Brix beverage valves.

90° Elbow Fitting

Radiator Clamp

Flexible Tubing

Straight Fitting

Radiator Clamp

Flexible Tubing

Holes for beverage lines

Drainage Through Bottom Drainage Through Back

Rear View

Radiator Clamp

Holes for drain pan drain

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MULTIPLEX MII-302/402 Owner Instruction Manual

Brand: MULTIPLEX

Model: MII-302/402

Category: Ice cube makers

Type: Owner Instruction Manual

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