Multiplex FT-16 User Manual
FlexTower Series
8, 12 and 16 Flavor Beverage Dispensers
INSTALLATION & SERVICE GUIDE
Part Number 020000747
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.
March 23, 2007 REV 0
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 startup of this equipment. Consult the
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 _____________________________________________________________________
Troubleshooting Guide
within this manual for service assistance.
UNPACKING AND INSPECTION
Note: The unit was thoroughly inspected before leaving the factory. Any damage or irregularities should
be noted at the time of delivery.
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 Manitowoc Beverage Equipment 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 Manitowoc Beverage Equipment 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.
TABLE OF CONTENTS
FOREWORD ........................................................................................................ 2
UNPACKING AND INSPECTION......................................................................... 2
WARRANTY INFORMATION ............................................................................... 2
SAFETY ............................................................................................................... 5
IMPORTANT SAFETY INSTRUCTIONS ........................................................................... 5
CARBON DIOXIDE WARNING ......................................................................................... 5
QUALIFIED SERVICE PERSONNEL ................................................................................ 5
SHIPPING, STORAGE, AND RELOCATION ..................................................................... 5
INSTALLATION WARNING .............................................................................................. 5
ADDITIONAL WARNINGS ................................................................................................ 5
GROUNDING IN STRUCTIONS ........................................................................................ 6
INSTALLATION .................................................................................................... 7
SURVEY ........................................................................................................................... 7
COMPONENTS SHIPPED WITH FLEXTOWER ............................................................... 7
CONNECTORS................................................................................................................. 7
ESSENTIAL TOOLS ......................................................................................................... 7
FOOTPRINT ..................................................................................................................... 8
INSTALLATION PROCEDURE ......................................................................................... 9
PRECHILL COIL RETROFIT KIT & ACCESSORY MATRIX............................................ 10
PRECHILL COIL RETROFIT KIT .....................................................................................11
RECIRCULATION LINES AND PUMP ............................................................................ 13
BRIXING PROCEDURE .................................................................................................. 16
FLEXTOWER WATER RECIRCULATION PUMP FLOW ................................................ 17
FLEXTOWER WATER CHILLER FLOW ......................................................................... 17
FT-8 PLUMBING DIAGRAM ........................................................................................... 18
FT-12 PLUMBING DIAGRAM ......................................................................................... 18
FT-16 PLUMBING DIAGRAM ......................................................................................... 19
OPERATION ...................................................................................................... 20
BASIC FUNCTIONS ....................................................................................................... 20
SPECIFICATIONS .......................................................................................................... 21
SERIAL PLATE ............................................................................................................... 21
PROGRAMMING MODES .............................................................................................. 22
TABLE OF CONTENTS
USER MAINTENANCE ...................................................................................... 25
PREVENTATIVE MAINTENANCE .................................................................................. 25
DAILY CLEANING .......................................................................................................... 25
BEVERAGE SYSTEM CLEANING ................................................................................. 27
BAG-IN-BOX SYSTEM ................................................................................................... 27
EXPLODED VIEWS, PARTS & DIAGRAMS ..................................................... 29
FT-8 WIRING DIAGRAM................................................................................................. 29
FT-12 WIRING DIAGRAM............................................................................................... 30
FT-16 WIRING DIAGRAM............................................................................................... 31
POWER SUPPLY WIRING .............................................................................................. 32
POWER SUPPLY ............................................................................................................ 33
FLEXTOWER EXPLODED VIEW.................................................................................... 34
FLEXTOWER PARTS LIST ............................................................................................ 35
TROUBLESHOOTING ....................................................................................... 36
INDEX................................................................................................................. 39
Installation and Service Manual
SAFETY
IMPORTANT SAFETY INSTRUCTIONS
Carefully read all safety messages in this manual. Learn how to operate the FlexTower unit properly.
Do not allow anyone to operate the unit without proper training and keep it in proper working condition.
Unauthorized modifications to the FlexTower may impair function and/or safety and affect the life of
the unit.
CARBON DIOXIDE WARNING
DANGER: Carbon Dioxide (CO2) displaces oxygen. Exposure to a high concentration of CO2 gas
causes tremors, which are followed rapidly by loss of consciousness and suffocation. If a CO2 gas leak
is suspected, particularly in a small area, immediately ventilate the area before repairing the leak. CO
lines and pumps should 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 CO2 may build up in an area, venting of the B-I-B pumps and / or CO2 monitors should be utilized.
QUALIFIED SERVICE PERSONNEL
WARNING: Only trained and certified electrical and plumbing technicians should service this unit.
All wiring and plumbing must conform to national and local codes.
2
SHIPPING, STORAGE, AND RELOCATION
CAUTION: Before shipping, storing, or relocating this unit, syrup systems must be sanitized. After
sanitizing, all liquids (sanitizing solution and water) must be purged from the unit. A freezing environment causes residual sanitizing solution or water remaining inside the unit to freeze, resulting
in damage to internal components.
INSTALLATION WARNING
WARNING: The splash panel must remain in place for installation because the splash panel pro-
vides structural integrity to the unit. Do not remove the splash panel until after the unit is installed.
ADDITIONAL WARNINGS
Installation and start-up of this equipment should be done by a qualified service technician. Operation,
maintenance, and cleaning information in this manual are provided for the user/operator of the equipment.
Save these instructions.
5
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. The plug
must be plugged into an appropriate outlet that is properly installed and grounded in accordance
with all local codes and ordinances.
DANGER – 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.
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 he 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. Return appliance to 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 Ground-
ing Instructions.
SAVE THESE INSTRUCTIONS
6
Installation and Service Manual
INSTALLATION
SURVEY
Prior to installation, a location survey is highly recommended to assure there is sufficient room for the FlexTower on
the counter, for the BIB rack in the back room, and room to route the beverage tubing from the BIB rack.
If an ice drink dispenser heat exchanger is used, assure that the ice drink dispenser is in close proximity to the
FlexTower area so the heat exchanger can be easily routed to the tower to provide cold water for the finished
beverages. Other methods of cooling the water are available. Contact your Manitowoc Beverage Equipment distributor for details.
Assure that a 115 Volt, 15 amp electrical outlet is available to provide power for the FlexTower and the water pump.
A separate outlet is recommended for each component
Assure that a ¾”( 2 cm) water line with a shut off valve is available in close proximity to the FlexTower. Water
treatment is highly recommended to assure a quality finished beverage. Minimum water pressure is 40 PSI (2.75
BAR) dynamic and maximum is 80 PSI (5.5 BAR) static.
COMPONENTS SHIPPED WITH FLEXTOWER
With unit:
If location uses heat exchanger, kit consisting of:
• Water recirculation pump with power cord and
insulated tubing.
• Four (4) bolt/nut sets for securing FlexTower
to most countertops.
• Template for mounting hardware locations. This
template is part of the shipping carton. DO NOT
DISCARD CARTON UNTIL TEMPLATE HAS
BEEN REMOVED.
• heat exchanger
• supplementary installation instructions
CONNECTORS
Syrup should be available on site location at the time of installation to avoid delays and costly return trips to
finish the installation. It will be necessary to determine the type of BIB connector used with the syrups. Use the
following part numbers when ordering additional kits or replacement parts.
P37SBBKHN (Coca Cola) QCD-II (General Bottler) PCS1 (Pepsi)
ESSENTIAL TOOLS
• Tubing Cutters
• Oetiker pliers
• Phillips and slotted screwdriver
• Power drill
• Six (6) inch adjustable wrench
• Tape Measure
NOTE:
and regulations applying to electrical and plumbing requirements in the installation and
operation of the FlexTower and any associated accessories.
NOTE:
lines. It is recommended to route lines from below rather than from the back if possible.
The installer is responsible for compliance with all federal, state, and local laws
It may be necessary to cut the countertop to provide access for syrup and water
7
Installation and Service Manual
INSTALLATION
FOOTPRINT
The FlexTower must be secured to the countertop using the four (4) holes provided in the base of the unit and using
the hardware provided. Follow customer guidelines for placement of the unit or approximately 10 inches (25.4 cm)
from the edge of the counter. A mounting template is provided which is printed on the shipping carton.
NOT DISCARD SHIPPING CARTON UNTIL MOUNTING TEMPLATE IS REMOVED.
Also see the Footprint below.
NOTE: DO
CAUTION:
braced to support the dispenser countertop weight plus ice storage capacity and
weight of icemaker, if applicable.
Cutting the countertop may decrease its strength. Counter should be
8
INSTALLATION
INSTALLATION PROCEDURE
• Assure that 16 bags of syrup are available at location. Coordinate this with the store manager. Manitowoc Beverage Equipment does not supply syrup.
• Carefully unpack FlexTower and inspect for damage.
If damage is noted, file freight claim with carrier.
• Remove mounting template from shipping carton for
use in positioning FlexTower on counter and drilling
holes for mounting.
• Check to assure that all installation components
shipped with FlexTower are in the package.
• Check backroom components to assure that all are
with shipment.
Cosmetic Nozzle
Splash Shield
Grid
Removable
Rivet
Drain pan
Installation and Service Manual
1. Determine type of heat exchanger to be used to cool
finished beverage water and install according to instructions provided with heat exchanger.
2. In the back room, determine location for BIB rack
and install.
3. Route C02 supply to C02 regulator. Do not turn on
C02 pressure at this time.
4. Using the template provided, determine location
where the FlexTower is to be installed. Note: FlexTower should be located next to the ice dispenser.
Cut out the tubing access area and drill the required
holes for the mounting hardware.
5. Remove splash shield, cosmetic nozzle, and grid
from unit. Remove the removable rivets from the
bottom left and right sides of the front cover, lift up
and pull the front cover forward and off.
6. Label and route the two (2) eight (8) line conduit
between BIB rack and area and FlexTower location.
7. Install water pump and plumb to water source and
to heat exchanger.
8. Route water lines from pump to FlexTower location.
9. Connect water lines to tee fitting supplying water
valve. (See Plumbing Diagram)
10. Connect drain. (See Drainage Options)
11. Using the FlexTower Plumbing Diagram, connect
syrup lines to syrup valves assuring that proper syrup
line is connected to the correct valve.
12. Place FlexTower in final location, apply sealant to base
of unit and secure to counter with hardware provided.
13. Place flavor labels on touch pad if required.
14. In back room, position BIB syrups on BIB rack.
15. Attach BIB connector to syrup line from syrup pump
to BIB outlet.
16. Turn on C02 supply and regulate to 40 PSI (2.75
BAR) for non carbonated beverages.
17. At FlexTower, purge syrup lines.
18. Turn on water supply to FlexTower and purge water line.
19. Brix valves then ensure the syrup injections
shroud assembly is firmly clipped into place and
all vinyl syrup tubes are firmly seated into their
corresponding port on the syrup injection shroud
assembly. (See Brixing Procedure)
20. Replace front cover and reinstall removable rivets, then
replace the cosmetic nozzle, splash shield and grid.
21. Install any merchandising materials shipped with
FlexTower.
22. Instruct store personnel in operation and maintenance of the FlexTower and back room items.
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Installation and Service Manual
PRECHILL COIL RETROFIT KIT & ACCESSORY MATRIX
Cooling Coil and Left Side Replacement Strip Lid Panel Kits
Ice Beverage Dispenser Model Strip Lid Kit Part Number For Kit
(See Note 1) (See Note 1)
MDH-302 IB4 020001176
MDH-302 IB5 020001176
MDH-302 SL3 020001177
MDH-302 SL4 020001178
MDH-302 SL7 020001179
MDH-302 SL11 020001180
MDH-402 SL5 020001246
MDH-402 SL6 020001247
MDH-402 SL9 020001248
MDH-402 IB6 020001249
MDH-402 IB7 020001249
MDH-402 IB8 020001250
MDH-402 IB9 020001250
MDH-402 SL8 020001251
INSTALLATION
Accessory Kits
Flex Tower Model Description Kit Part Number
FT-16, 12 and 8 Recirc Pump & Line Kit 020000783
FT-16, 12 and 8 Install Kit 020001070
BIB Racks
Flex Tower Model Description BIB Rack Part Number
FT-16 Preassembled 16 Box BIB Rack AR-6W3H16F-VERT-QCD
FT-12 Preassembled 12 Box BIB Rack AR-6W2H12F-VERT-QCD
FT-8 Preassembled 8 Box BIB Rack AR-6W2H8F-VERT-QCD
NOTES
1) When ordering cooling coil and left side replacement strip lid panel kits the following information is needed.
a) Servend ice beverage dispenser model number the cooling coil will be installed inside of.
b) The ice machine(s) model number(s) installed on top of the Servend ice beverage dispenser.
c) The information is needed in order to ship kit with the correct left side replacement strip lid panel(s) and
cooling coil.
10
3F
1A
2A
2B
1B
3E 3E
3C
3.00
inches
4B
FIGURE 1
3B
FIGURE 2
4C
FIGURE 3
INSTALLATION
PRECHILL COIL RETROFIT KIT
1. Disconnect or shut of power, water supply to ice
maker or makers (1A) and power supply to ice beverage dispenser (1B) (See Figure 1). Failure to
do so may cause electrical shock or injury.
2. Ice beverage dispensers (1B) equipped with one
or two ice makers (1A) and a strip lid kit (2A and
2B) will need partial or total removal of items in
order to gain access to the ice storage bin for cooling coil heat exchanger installation (See Figures 1
and 2).If applicable on Servend 302 and 402 ice
beverage dispensers remove ice maker (1A), strip
lid panels (2A) and support brackets (2B) from the
left side of unit only to access the left side ice storage bin (See Figure 1). Keep all removed components and ice maker or makers in a safe place for
reinstallation later.
3. Remove all ice from the ice storage bin (3A) of dispenser in which the cooling coil heat exchange will
be installed (See Figure 2). On Servend 302 and
402 ice beverage dispensers remove ice from left
side ice storage bin only. Remove the paddlewheel
pin or pins (3B), agitator bar (3C), double –D coupling [where applicable], bin liner (3D) the four
knurled bin liner screws (3E), paddlewheel (3F),
paddlewheel area bushing [where applicable] and
paddle wheel area (3G) from ice storage bin (3A)
(See Figure 2). On Servend 302 and 402 ice beverage dispensers remove the components previously listed from the left side ice storage bin only.
Keep all removed components in a safe place for
reinstallation later.
4. Part of the rubberized bin gasket (4A) will need to
be trimmed away [3.00 inches] from the back left
side corner of the ice beverage dispenser (4B) as
shown (See Figure 3).
5. Use a 3.00 inch piece of the black adhesive foam
gasket included kit to seal for sanitation reasons
over the previously trimmed 3.00 inch area (4C).
Remove protective covering from black adhesive
foam gasket before adhering to surfaces of ice
beverage dispenser (See Figure 3).
6. Clean the left inside corner of ice storage bin (4D)
from top to bottom and 6.00 inches to the left and
right with isopropyl alcohol or cleaning solution (See
Figure 3).
3D
1A
3G
3E 3E
3A
4A
4D
Installation and Service Manual
11
Installation and Service Manual
5B
7E
7D
8D
6A
FIGURE 4
FIGURE 5
FIGURE 6
INSTALLATION
PRECHILL COIL RETROFIT KIT
7. Place the cooling coil heat exchanger (5A) into the
previously cleared and cleaned ice storage bin (5B)
as shown (See Figure 4). Be sure the coil is resting flat on coldplate (5C) of the ice beverage dispenser (See Figure 5). The inlet and outlet fittings
(8E) of the cooling coil heat exchanger will exit over
previously trimmed 3.00 inch open area (4C) of the
rubberized bin gasket (4A) in the back left corner
of the ice beverage dispenser (4B) (See Figures
5A 5C
7A
7B
7C
8E
8C
8A
8B
3 and 6). The inlet and outlet fittings (8E) of coil
should be visible from the back of the ice beverage
dispenser (8C) (See Figure 6).
8. Remove protective covering from adhesive tape on
back of the plastic cover (6A) that is factory installed
on the cooling coil heat exchanger (6B) (See Fig-
ure 6). Place plastic cover (6A) snuggly into previ-
ously cleaned left inside corner of ice beverage dispenser (8C) flush with the top of the ice storage
bin (8D) as shown (See Figures 4 and 6).
9. Reinstall the paddle wheel area (3G), paddlewheel
area bushing [where applicable] and paddlewheel
(3F) in the ice storage bin (3A) that components
were previously removed from (See Figure 2).
10. Install the plastic cover support bracket (7A) under
the left side of the bin liner (7B) when reinstalling
the bin liner (7B) and the four knurled bin liner
screws (3E) as shown (See Figures 2 and 5).
11. Reinstall the double –D coupling [where applicable], agitator bar (7C) and paddlewheel pin or pins
(7D) in the ice storage bin (7E) that components
were previously removed from (See Figure 5).
12. If applicable reinstall strip lid kit or components pre-
viously removed for access to install cooling coil
heat exchanger in the ice beverage dispenser. The
original left side strip lid panel (2A) and support
brace (2B) [where applicable] will be replaced by
a new lef
included with some but not all kits (See Figure 1).
13. Reinstall the ice maker or makers (1A) using the
proper install procedures on the ice beverage dispenser (1B) (See Figure 1).
14. Place label (8A) [Part No.5011948] near existing
serial tag (8B) of ice beverage dispenser (8C) (See
Figure 6).
15. Reconnect or turn on the water, power supplies to
the ice beverage dispenser and ice maker or makers. Check for leaks and make sure the ice bev-
erage dispenser, ice maker or makers operate
normally before placing units back into general
service.
t side strip lid panel and support brace
12
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