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
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
D
C
B
A
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
2
) displaces oxygen. Exposure
to a high concentration of CO
2
gas causes tremors,
which are followed rapidly by loss of consciousness
and suffocation. If a CO
2
gas leak is suspected,
particularly in a small area, immediately ventilate the
area before repairing the leak. CO
2
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
2
may build up in an area, venting of the B-I-B pumps
and / or CO
2
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:
CO
2
regulator set
Product connectors for Figal tank
Gas connectors for Figal tank
Beverage dispenser
Beverage tubing
CO
2
tank
Figal beverage tanks
Stepless (Oetiker) clamps
Chain for CO
2
tank
B-I-B connectors
B-I-B regulator set
B-I-B rack
B-I-B syrup boxes
CO
2
regulator set
Beverage dispenser
Beverage tubing
CO
2
tank
Carbonator
Stepless (Oetiker) clamps
Chain for CO
2
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
6"
(15.2 cm)
6"
(15.2 cm)
6" (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
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)
Co
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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