Follett VU155K User Manual

VU155K Integral Cold Carbonation Series

Ice and Beverage Dispensers

Order parts online

www.follettice.com

Installation, Operation and Service Manual

Service numbers above B50000

Following installation, please forward this manual

to the appropriate operations person.

801 Church Lane • PO Box D, Easton, PA 18044, USA

Toll free (800) 523-9361 • (888) 2-FOLLETT

(610) 252-7301 • Fax (610) 250-0696 • www.follettice.com

_®L

00119610R00

Table of contents

Welcome to Follett Corporation

Important cautions

Specifications

Installation

Installing dispenser in counter

Field wiring diagrams

Installing optional icemaker

Connecting beverage lines

Operation

How the dispenser works

Cleaning

Service

Dispense chute cover removal

Auger motor assembly removal

Gate assembly removal

Auger and auger tube removal

Dispenser wheel removal

Wiring diagrams

Troubleshooting

Replacement parts

Follett Corporation

Equipment Return Policy

Follett equipment may be returned for credit under the following conditions:

1. The equipment is new and unused.

2. A return authorization number has been issued by customer service.

3. Follett receives the equipment at the factory in Easton, PA within 30 days of the issue of the return authorization number.

4. The equipment must be returned in Follett packaging. If the packaging has been damaged or discarded, Follett will forward, at the customer’s

expense, new packaging.

Note:

Return freight charges are the responsibility of the customer. If equipment is returned and is damaged because of improper packaging, Follett

Corporation will not be held responsible.

Credit will be issued when:

The equipment has been inspected by Follett and deemed suitable to be returned to stock.

Note:

A 15% restocking charge will be deducted from the credit. If the cost to return the product to stock exceeds 15%, the actual cost will be deducted.

Welcome to Follett

Follett ice dispensers enjoy a well-deserved reputation for excellent performance, long-term reliability and

outstanding after-the-sale support. To ensure that this dispenser delivers that same degree of service, we ask

that you take a moment to review this manual before beginning the installation of the dispenser. Should you have

any questions or require technical help at any point, please call our technical service group, (800) 523-9361 or

(888) 2-FOLLETT or (610) 252-7301.

Before you begin

After uncrating and removing all packing material, inspect the equipment for concealed shipping damage. If

damage is found, notify the shipper immediately and contact Follett Corporation so that we can help in the filing of

a claim, if necessary.

Check your paperwork to determine which model you have. Follett model numbers are designed to provide

information about the type and capacity of Follett ice dispensing equipment. Following is an explanation of the

different model numbers in the VU155K series.

VU155K8LP

Ice and valve actuation

P – Pushbutton

L – Lever

Tower side (facing unit)

L – Left hand side

R – Right hand side

Number of valves

0 (N series only), 8 or 10

Beverage cooling

K – Integral beverage cooling with cold carbonation

Model series

Important cautions

Storage area of dispenser contains mechanical, moving parts. Keep hands and arms clear of

this area at all times. If access to this area is required, power to unit must be

disconnected first.

Ice is slippery. Maintain counters and floors around dispenser in a clean and ice-free condition.

Ice is food. Follow recommended cleaning instructions to maintain cleanliness of delivered ice.

Always disconnect power before cleaning or servicing the dispenser.

Failure to remove all sanitizer may result in health hazard.

Follett manual load dispensers can accommodate most cube/cubelet ices up to 1" square, or Follett

compressed nugget ice. Crushed, flake, bagged, nugget or congealed ice cannot be used. Use of

these ices can jam dispenser and void warranty. Separate any “waffle-like” sections of cubes before

adding to dispenser. For ice compatibility questions, please call Follett customer service at

(800) 523-9361 or (888) 2-FOLLETT or (610) 252-7301.

Specifications

Electrical

Each icemaker and dispenser require a separate circuit with with electrical disconnect within 10 ft (6m).

Equipment ground required. Standard electrical – 115V, 60Hz, 1 phase. Maximum dispenser fuse – 15 amps,

Maximum icemaker fuse – 20 amps each.

Model

Icemaker

amperage

Dispenser

amperage

number

VU155K series

11.0 amps ea

8.7 amps

Plumbing

Dispenser

3/4" PVC pipe nipple for bin drain

3/4" PVC pipe nipple for drain pan drain

1" ID hose for beverage bath drain

Beverage connections

1/4" ID syrup beverage hose

3/8" 45° flair fitting for water inlet

1/4" ID CO2

3/8" ID plain water inlet

Note: Set CO2 pressure to 75 psi and syrup pressure to 60 psi.

Drains should be hard piped and insulated. Maintain at least 1/4" per foot (6mm per 304mm run)

slope on drain line run.

Water disconnect within 10 feet (3m) of dispenser is suggested for automatic load units.

Follett recommends use of a Follett model AFSYSTMFL4S water filter on icemakers connected

to automatic fill dispensers.

Icemaker

Refer to detailed specifications in icemaker installation manual packed with icemaker

Dimensions and clearances

Required clearances

51" (1295mm) minimum above counter for installation if dispenser will be dropped into counter

36" (915mm) minimum above counter for all units after installation for auger cleaning and servicing

12" (305mm) minimum on side opposite ice chute for service

12" (305mm) minimum on ice chute side if ice transport tube enters this side

12" (305mm) minimum between dispenser side(s) and optional icemaker(s)

37.25"

(947mm)

Front View

(10 valve unit)

31.25"

(794mm)

(8 valve unit)

21.75"

(553mm)

counter top

49.75"

(1264mm)

ice

transport

tube

beverage line

carbonation pump

air break*

28"

(712mm)

3/4 PVC slip

joint drain

17"

(432 mm)

electrical

connections

18.875"

(479mm)

min

18.875"

(479mm)

12"

min

*DO NOT

CONNECT TO

Manual load unit

DRAIN SYSTEM

Dispenser with 1 optional auto-fill icemaker kit(s)

Dispenser with 2 optional auto-fill icemaker kit(s)

27.375"

(696mm)

Side View

ice transport

tube entrance

beverage

waterbath

overflow

3.5"

(889mm)

beverage

drain pan

drain

25.8"

(656mm)

3/4 PVC

slip joint

drain

18.5"

(470mm)

(153mm)

8.75"

(223mm)

bin

power

signal

Installation

Installing dispenser in counter

Note: All dispensers must be supported from below with supplied 6" – 9" (153 – 229mm) adjustable leg accessory,

or equivalent. Do not hang dispenser on flange.

All dispensers must be installed level in both directions to ensure proper operation.

1. Check that dispenser location meets all requirements in this manual and cut counter as shown.

Plan View

units with up to 8 valves

counter cut-out

units with 10 valves

counter cut-out

+.125"

- .125"

+3 mm

- 3 mm

+.125"

- .125"

+3 mm

- 3 mm

36.375"

(924mm)

26.25"

+.125"

- .125"

26.25"

+.125"

- .125"

30.375"

(772mm)

(667mm)

+3 mm

- 3 mm

(667mm)

+3 mm

- 3 mm

Front of counter

2. Place support blocks in cabinet to raise dispenser to a height of 12" (305mm).

3. Place dispenser in counter onto support blocks.

4. Attach adjustable legs to dispenser.

5. Remove support blocks and lower dispenser feet to floor.

6. Adjust legs for 1/8" (4mm) clearance between dispenser lip and countertop to verify there is no load on flange.

7. Apply a bead approximately 1/4" (6mm) in diameter of NSF-listed silicone sealant (Dow Corning RTV-732 or

equivalent) around perimeter of dispenser where it meets counter. Smooth sealant to a 1/8" (4mm) radius.

8. Install a PVC drain line with at least a 1/4" per foot (20mm per 1m) slope. Insulate drain line to prevent

condensation.

Note: Do not apply excessive heat if any sweating of fittings is necessary. Heat conduction through metal may

melt threads in plastic drain.

Do not reduce drain line size or tie drains together.

Note: See instruction enclosed with carbonator pump for detailed installation instructions.

9. Use supplied bolts and lock washers to attach carbonator pump assembly to side of dispenser opposite ice

dispense tower. Tighten bolts securely.

10. Connect the 3/8" water line from the dispenser to the 3/8" male flare pump outlet connection.

11. Trace the pump power cord to identify the pump twist lock plug and connect to the female twist lock connector on

the dispenser.

12. Make electrical connections in accordance with applicable wiring diagrams provided. Provide disconnects within

10 ft (3m) of dispenser and icemaker for servicing.

Field wiring diagrams

Note: Field wiring diagrams are intended to aid electricians or technicians in understanding how equipment

works. All field wiring must be installed in accordance with all local and NEC codes.

If attaching

optional icemaker

ICEMAKER #1

(OPTIONAL)

ELECTRIC

POWER

SOURCE

accessory

LEGEND

LOWER JUNCTION BOX

UPPER JUNCTION BOX

WIRENUT FIELD

CONNECTIONS

EQUIPMENT

GROUND

BLACK

WHITE

DISPENSER

LEFT JUNCTION BOX RIGHT JUNCTION BOX

Electric

Power

Source

GRN

GND

GREEN

GRN

BLUE

YELLOW

RED

ICEMAKER #2

(OPTIONAL)

ELECTRIC

POWER

SOURCE

GND

GRN

LOWER JUNCTION BOX

UPPER JUNCTION BOX

GRN

GND

Installing optional auto-fill icemaker kit(s)

Correct installation of remote icemaker(s) is critical to proper performance of icemaker. Refer to installation

manual packed with icemaker for important details on ice transport tube run, ventilation requirements and other

installation requirements. Failure to comply with instructions may void warranty.

To start and operate dispenser

1. Follow detailed cleaning instructions in service manual before operating dispenser.

2. On units with Follett integral ice water bath beverage cooling (“B” models) only, slowly pour water into ice

water bath area to fill empty bath and submerge coils. Coils are submerged when water starts to flow out

overflow drain. DO NOT SPLASH WATER ON ELECTRICAL BOX. Once filled with water, add ice to bath

until ice covers top of water bath.

3. For manual load units, remove front drain pan or rear lid and fill storage area with approved ice.

Note: Follett manual load dispensers can accommodate most cube/cubelet ices up to 1" square, or Follett

compressed nugget ice. Crushed, flake, bagged, nugget or congealed ice cannot be used. Use of these

ices can jam dispenser and void warranty. Separate any “waffle-like” sections of cubes before adding to

dispenser. For ice compatibility questions, please call Follett customer service at (800) 523-9361

or (888) 2-FOLLETT or (610) 252-7301.

4. Turn power switch located on dispenser control box to ON position.

5. For automatic fill units, follow detailed instructions in icemaker installation section of installation manual, then

turn icemaker (bin signal) switch(es) located on dispenser control box to ON position and begin to make ice.

6. When dispenser has at least 6" (153mm) of ice in storage area, test operation.

Connecting beverage lines

1. Connect syrup and water lines. Non-carbonated water line will be labeled “water”. Syrup lines are numbered

and correspond to the valves as shown in drawing(s) below. Valve one is always next to ice tower.

2. The center 4 valves are pre-plumbed to both carbonated and non-carbonated water lines with the

QuickCARB^™beverage manifold. Valves can be individually changed from a carbonated to a non-carbonated

flavor with the flip of a lever (see below).

3. Clean and sanitize beverage lines according to cleaning instructions.

Valve position #1 is always next to ice

tower. Right-hand unit shown.

VU155B QuickCARB manifold

(see dispenser for model specific

QuickCARB configuration)

Rear View

10 9 8

6 5

4 3

carbonated

non-carbonated

Operation

How the dispenser works

Ice movement

Follett’s dispensers are available in automatic load

configurations, fed from one or two Follett remote

icemakers or manual load configurations (using ice

from another source).

In all models, ice is stored below the counter in the

dispenser storage area. When the dispense lever

or button is pushed, the dispense motors are

activated. This causes the wheel assembly in the

storage area to turn, moving ice to the vertical

auger assembly, which carries ice up to the

dispense chute where it drops by gravity into the

container.

In automatic load units, ice is manufactured in

either one or two Follett remote icemakers. These

icemakers may be located up to 20 ft (6m) away

from the dispenser. Extruded ice is transported

through a tube and pushed to the storage

compartment of the dispenser. When the bin is

filled, a bin thermostat shuts the icemaker off to

avoid overfilling of the bin. The icemaker will

restart after 20 minutes if the bin is calling for ice.

Units with integral ice water bath beverage cooling

are equipped with a water bath timer circuit that

activates the water bath pump for 35 minutes

when ice lever or button is activated, or when the

ice water bath warms up and calls for more ice.

Cleaning

Using solutions below, clean and sanitize storage area and beverage lines before starting unit and on a routine

basis as noted below.

Note: Always disconnect power before cleaning dispenser.

Do not run plastic parts through a dishwasher.

Solution A:

Solution B:

Note:

Combine 1 oz (250ml) bleach with 2 gal (8L) hot water or use Ecolab Mikro-chlor Cleaner

per manufacturers instructions.

Combine 1/4 oz (50ml) bleach with 2 gal (8L) hot water or use Ecolab Mikro-chlor Cleaner

per manufacturers instructions.

Cleaning solutions temperature must be at 75˚ – 125˚F (24˚ to 52˚C)

Recommended cleaning prior to start up

Cleaning ice storage area before use

1. Refer to disassembly instructions (see Service section) and remove dispense wheel from ice storage area.

2. Remove auger, auger tube and dispense mechanism.

3. Wipe all components and ice storage area with cleaning Solution A.

4. Rinse all components and ice storage area thoroughly with clear, potable water.

5. Wipe all components and ice storage area with sanitizing Solution B.

Cleaning beverage lines

Prepare 6 gallons (23L) of cleaning Solution A. Fill a clean product tank with cleaning solution. Fill a second

clean product tank with potable rinse water.

1. Disconnect all syrup lines from product containers.

2. Connect syrup line #1 to cleaning solution tank, pressurize tank to 20-50 psi, and dispense 1/2

gallon (2L) of solution into a suitable container from valve #1.

3. Connect syrup line #1 to rinse tank, pressurize tank to 20-50 psi, and dispense 3 gallons (11L)

into a suitable container from valve #1.

4. Repeat this cleaning and rinsing for all syrup lines.

5. Remove diffusers and nozzles from valves, soak in cleaning solution, rinse well and reinstall.

Sanitizing beverage lines

Prepare 6 gallons (23L) of sanitizing Solution B. Fill a clean product tank with this solution.

1. Connect one tank to syrup line #1. Dispense 1/2 gallon (2L) from valve #1.

2. Repeat for all remaining syrup lines, allowing sanitizing solution to remain in all circuit lines for

15 minutes.

3. Connect a clean, empty tank (pressurized to 50 psi) to each syrup line and blow out sanitizer by

operating each valve.

4. Remove diffusers and nozzles from valves, soak in sanitizing solution for 15 minutes, rinse well and

reinstall.

5. Reconnect all lines and dispense product through valves to purge any remaining sanitizer.

Recommended daily dispenser cleaning

1. Remove all debris from drain pan.

2. Pour 1 gallon (4L) hot water into drain pan to keep drain lines clear.

Recommended weekly dispenser cleaning

1. Remove drain pan and grille and wash with Solution A. Rinse thoroughly.

2. Remove nozzles and diffusers from valves, soak for at least 10 minutes in cleaning Solution A, rinse,

sanitize with Solution B and reinstall.

3. Pour a solution of one cup (8oz/237ml) household bleach mixed with one gallon (3.8L) hot water into

drain pan to help prevent algae growth in drain lines.

Recommended quarterly dispenser cleaning

1. Remove top from dispenser and turn power switch to OFF position.

2. Remove ice from storage area.

3. Remove dispense chute cover, chute, auger motor assembly, auger and auger tube (see Service section).

4. Remove drain pan, grille and dispense wheel (see Service section).

5. Clean all components and bin storage area with Solution A, rinse thoroughly with clear water and sanitize

with Solution B.

6. Remove nozzles and diffusers from valves, soak for at least 10 minutes in cleaning Solution A, rinse,

sanitize with Solution B and reinstall.

For units with integral ice-water bath beverage cooling only:

1. Remove dispenser lid and counter access panel opposite ice tower side.

2. Disengage service drain tube (on utility connection side of dispenser) from mounting bracket.

3. Pull bath service drain tube down through beverage line opening in counter and drain water bath into a bucket.

4. Use a bottle brush to clean coils with Solution A, rinse and sanitize with Solution B.

5. Reposition ice water bath drain tube in up position so water does not drain out.

6. Pour Solution A into ice water bath until it flows out of bath overflow drain.

7. Turn power ON to unit and dispense a small cup of ice to activate pump.

8. Allow pump to run for two minutes to clean pump and pump lines.

9. Turn power OFF.

10. Drain bath and replace drain tube in mounting bracket in up position to avoid siphoning water bath water.

Putting unit back in service after quarterly cleaning

1. On units with integral beverage cooling, fill ice water bath with water until water spills out of

bath overflow drain.

2. Reassemble components.

3. For manual load units, fill unit with an approved ice (see important cautions on page 4).

4. For automatic load units with R400A/W (R404A refrigerant) icemakers, turn bin signal switch(es) and

dispenser power switch to ON position and allow storage area to fill.

5. Dispense and discard all ice, verifying dispenser is functioning properly.

Recommended quarterly cleaning of optional icemaker.

Units equipped with optional icemakers require cleaning of icemaker system at least every six months, and more

often if local water conditions dictate. Failure to clean icemaker system will result in decreased performance and

potential damage to icemaker. Refer to Icemaker Installation, Operation and Service Manual.

Fig. 1

RH, 8-valve unit

Front View

Service

Dispense chute cover removal

top cover

chute

cover

valves

1. Remove top cover.

2. Push chute cover up vertically to slip off

holding tab.

3. After clearing tab, pull chute cover forward

to remove.

drain pan

assembly

dispense

chute

Auger motor assembly removal

1. Remove top cover.

2. Remove one thumbnut on rear of motor bracket.

3. Lift motor bracket and motor up, unplug electric

quick disconnects and remove.

Dispense assembly, top view

(RH unit with bath shown)

Fig. 2

Dispense mechanism assembly removal (Fig. 2)

1. Remove top cover.

gate

solenoid

2. Remove chute cover (see above).

3. Remove auger motor assembly (see above).

ice

chute

4. Remove quick release pins from the ice chutes

and gates, then unplug wires from solenoids.

quick

release

5. Lift dispense mechanism up and off auger tube.

Auger and auger tube removal (Fig. 3)

1. Remove auger motor and dispense mechanism

assembly (see above).

quick

release

2. Pull auger upward to clear auger tube.

3. Lift auger tube upward to clear dispenser top.

4. Slide tube and bearing plate through auger

tube gasket.

Fig. 3

auger motor

Side View

dispenser

Front View

Dispense wheel removal

1. Remove drain pan assembly and bin access

cover.

2. Remove center thumbnut and threaded rod on

dispense wheel assembly and lift wheel out

front access opening.

auger

stationery

agitator

auger

tube

baffle

plate

rotating

agitator

dispense

wheel

auger

bearing

plate

wheel

motor

mounting

plate

wheel

motor

Wiring diagram

FOR RIGHT HAND MACHINE

FOR LEFT HAND MACHINE

AUGER MOTOR

COUNTERCLOCKWISE ROTATION

AUGER MOTOR

CLOCKWISE ROTATION

DISPENSE

PL1-1

PL1-2

PL2-1

PL2-2

PL2-1

PL2-2

BLACK

GRAY

BLACK

ORANGE

PURPLE

RED RED

BLK WHITE

RED RED

BLK

WHITE

POWER

SWITCH

TOP LID

SWITCH

DRAIN

PAN

REAR

LID

PL2-3

PURPLE

SWITCH SWITCH

BLUE BLUE

BLUE

WHEEL MOTOR

COUNTERCLOCKWISE ROTATION

WHEEL MOTOR

CLOCKWISE ROTATION

AUTOFILL

PURPLE

AUTOFILL R2

PL3-2

PL3-3

RED RED

RED

BLK WHT

RED

PURPLE

PL3-3

PL3-2

RED

PL3-1

ORANGE

BLUE

BLUE BLUE

BLUE

WHITE

MTR

PURPLE

ORANGE

READY

LID

BATHPUMP MOTOR

PL5-1

PL5-2

GRAY

PUMP

BLK

BATH CONTROL

BOARD

(35 MIN ON DELAY)

WHITE

GREEN

RED

BLACK

L1 LOW

HIGH COMMON L2

CARB.

CARBONATOR

PUMP

CARB.

TANK

PUMP

COM

CONTROL

115 VOLTS

RED

YELLOW

24 VOLTS

LEGEND:

TERMINAL STRIP CONNECTION

DISPENSE

DISPENSE RELAY

PL6-1

RED

PL6-3

SWITCH

PIN and SOCKET CONNECTION

BROWN

YELLOW

BATH CONTROL BOARD

RED

YELLOW

24VAC RED

24VAC YEL

BATH

SOLENOID

BATH SOL

PL4-2

PL4-1

BLUE

STATUS LIGHTS

GREEN - COLD

TEMP

SENSOR

YELLOW

(12 SEC ON: 1 MIN OFF)

RED - WARM

DISPENSE

SOLENOID

DISPENSE

PL4-3

^PL4-4YELLOW

RED

BROWN

PL6-2

PL6-4

AUTOFILL RELAY

BROWN

AUTOFILL

TIMER

RED

BLUE

YELLOW

18 MIN OFF

5 SEC ON

BIN T'STAT

IM_#1

BLUE

BIN SIGNAL (24V)

ICEMAKER #1

YELLOW

BLUE^SWITCH

IM_#2

RED

BIN SIGNAL (24V)

ICEMAKER #2

AUTOFILL

24V JUNCTION BOX

PL1-3

PL1-4

DRAINPAN

SWITCH

BLACK

BROWN

Valve_1

BLACK

Valve_2

Valve_3

Valve_8

Valve_4

Valve_5

BLACK

PL7-1

BROWN

KEYSWITCH

Valve_6

Valve_7

Valve_9

BLACK

Valve_10

PL7-2

Dispenser troubleshooting guide

Before calling for service

1. Check that ice is in the dispenser and that congealed cubes are not causing a jam.

2. Check that circuit breaker and switches are in ON position.

3. Check that drain pan, rear lid and top are on securely. If ajar, dispenser will not operate. When the top is off,

auger does not operate, even though the solenoids do (page 17).

4. Check that all drains are clear.

Note: For units equipped with Follett compressed nugget icemaker, see Icemaker Operation and

Service Manual for service and troubleshooting information.

Possible cause

Solution

Symptom

1. Power switch faulty or in OFF

position; loose connection.

2. Faulty dispense switch.

3. Faulty transformer.

4. Drain pan ajar.

5. Faulty drain pan safety switch.

1. Turn power switch to ON position;

check connections.

2. Replace switch.

3. Replace transformer.

4. Check pan and reseat.

5. Replace switch.

Ice does not dispense.

• Auger motor does not run

• Wheel motor does not run

1. Loose electrical connection.

2. Linkage problem between

solenoid and gate.

1. Check connections.

2. Check linkage.

Ice does not dispense.

• Auger motor runs

• Wheel motor runs

• Gate does not open

3. Faulty solenoid.

3. Replace solenoid.

1. Loose electrical connection.

2. Faulty auger motor.

3. Faulty run capacitor.

1. Check connections.

2. Check auger motor.

3. Check run capacitor.

Ice does not dispense.

• Auger motor does not run

• Wheel motor runs

1. Loose electrical connection.

2. Faulty wheel motor.

3. Faulty run capacitor.

1. Check connections.

2. Check wheel motor.

3. Check capacitor.

Ice does not dispense.

• Auger motor runs

• Wheel motor does not run

1. No ice in storage bin.

1. Fill storage area with ice or check

icemaker operation.

Warm drinks or soda foaming.

2. Water drained out of ice water

bath.

3. Circulating pump not running.

2. Check that ice water bath drain

tube is in fixed upright position.

3. Check pump and PC board for

output.

4. CO pressure is set too high.

4. Set CO pressure to 75 psi.

No ice in dispenser.

1. Power switch in OFF position or

faulty.

1. Check switch and replace if

necessary.

2. Bin signal switches in OFF

position or faulty.

2. Check switch and replace if

necessary.

3. Faulty bin thermostat.

4. Faulty transformer.

5. Icemaker related problem.

3. Replace bin thermostat.

4. Replace transformer.

5. Refer to Icemaker Operation and

Service Manual for diagnosing.

6. Check for power and bin signal on

icemaker PC board.

6. Faulty or disconnected wiring.

Possible cause

1. Loose connection.

Solution

Symptom

1. Check carbonator pump power at

plug and at level control board.

2a. Check connection between low

level electrode and level control

board.

Carbonator pump not turning on.

2. Electrode connections on

carbonator tank are satisfied.

2b. Check ground wire on carbonator

tank.

3. Carbonator pump or level

control board is defective.

3. Replace pump/control board.

1. Loose connection.

1a. Check connection between high

level electrode and level control

board.

Carbonator pump is not turning off.

1b. Replace electrodes/control board.

1. Loose connection.

1. Check all CO and water

Carbonation system is not

carbonating.

connections.

2. CO pressure.

2. Set CO pressure to 75 psi.

3. Water pressure is too high.

3. Lower water pressure to

approximately 50 psi.

4. Replace pump.

4. Carbonator pump is defective.

Carbonation system is producing

excessively carbonated beverages.

1. CO pressure is set too high.

1. Set CO pressure to 75 psi.

2. Drinks may be warm.

2. See “warm drinks” symptom.

If problems persist after following this basic troubleshooting guide, call Follett’s

technical service department at (800) 523-9361 or (888) 2-FOLLETT

or (610) 252-7301.

Operational Status

The chart below shows the operational status of various parts when certain switches are turned off or accessories

are removed.

Condition

Pump

Solenoids

Auger

Wheel

Beverage

valves

Top lid off

OFF

Rear lid off

Drain pan off

OFF

On/OFF switch

in off position

OFF

Beverage

switch in OFF

position

Water bath circuit board operation

The temperature sensor is hard wired directly to the circuit board. The waterbath circuit board operates on 24

volts AC. The bath pump will run for 35 minutes whenever ice is dispensed or the bath calls for ice.

Optimal beverage temperature is controlled by the circuit board located in the electrical box. The board monitors

the waterbath temperature and holds it to a factory setting. When the Red LED is ON, the bath solenoid, auger

motor, wheel motor and bath pump are energized. Ice will be dispensed into the waterbath for 12 seconds, then

stop for 60 seconds. The pump will stay energized, and the circuit board will then monitor the water

temperature. If it is below the set point, the Green LED will come on, the Red LED light will go off, and ice will

not dispense into the waterbath. If the temperature of the bath is determined to be above the set point, the Red

LED will remain on. The circuit board has a delay of 60 seconds before more ice is dispensed into the

waterbath.

LED indicators:

Green – the waterbath is at the set temperature.

Red – the bath temperature is above the set temperature and the bath is calling for ice.

Flashing LED indicators:

Flashing Red and Green – the circuit board has gone into an error mode:

Alternate flashing – circuit board has power and is waiting for hopper cover and dispenser top to be

replaced.

Simultaneous flashing – the waterbath did not reach set temperature in 40 minutes. Reset this error

mode by turning power off, removing top lid, drain pan or rear lid.

Electrical box

Front View

bev. bath

indicator

#1 #2

cold/green LED

warm/red LED

power on/off

switch

icemaker

switches

probe

Replacement parts

Dispenser exterior

Front View

Top View

8 valve unit with right hand (RH) tower

(push-button dispensing)

8 valve unit with right hand (RH) tower

Reference #

Description

Part #

502436

502437

502438

502439

Lid, 8 valve unit (includes “Follett” label)

Lid, 10 valve unit (includes “Follett” label)

Label, “Follett”

Cover, dispense chute, lever operation

Cover, dispense chute, push-button operation (includes button)

Switch, push-button operation

Backsplash, RH unit, 8 valves

Backsplash, LH unit, 8 valves

Backsplash, RH unit, 10 valves

Backsplash, LH unit, 10 valves

Drain pan, 8 valve unit

Drain pan, 10 valve unit

Grille, drain pan, 8 valve unit

Grille, drain pan, 10 valve unit

Cover, ice storage bin, rear — all U155 units (except N units)

Cover, ice storage (under drain pan) — all U155 units

Switch, key lock for valves

502440

502441

502445

502444

502443

502442

502446

502447

502450

502451

502452

502453

501409

501286

502584

502583

502585

502586

502587

502588

502589

502590

502591

502623

502622

502621

501100

502454

502287

502333

502334

Not shown

Key, beverage lock switch

Panel, end, beverage, RH unit

Panel, end, beverage, LH unit

Panel, access, RH and LH units

Panel, rear, motor support, RH unit

Panel, rear, motor support, LH unit

Panel, front, dispense mechanism, RH unit

Panel, front, dispense mechanism, LH unit

Panel, rear, 8 valve

Not shown

Panel, rear, 10 valve

Label, ice, dispense cover, push-button

Label, ice, dispense cover, lever

Clip, Tinnerman, 10-32

Thumbscrew, backsplash, 10-32 x 1/2

Legs, 6" (153mm) adjustable to 9" (229mm) — set of 4

Screw, 10-32 x 1/2

Plug 2 lead, male

Plug 2 lead, female

Dispense assembly

Dispense assembly, Side View

(RH unit with bath shown)

Top View

Reference #

Description

Part #

Gate, dispense

Linkage pin, gate/solenoid

502455

502456

501949

502102

Pin, quick release, 3" (77mm), bath gate and lever

Pin, quick release, 5.53" (141mm), dispense gate

Solenoid (includes linkage pin)

Dispense mechanism assembly, bath, RH unit

Dispense mechanism assembly, bath, LH unit

Dispense mechanism assembly, non-bath RH unit

Dispense mechanism assembly, non-bath, LH unit

Spring, dispense mechanism (1 per side)

Chute, ice

Wrap, dispense mechanism

Bushing, Ni liners

Screw, 8-32 x 5/16

Pin, spring

00126607

502448

502449

502458

502496

501950

502457

502607

501249

502625

502624

502618

502459

501953

Not shown

Push pins, clear chute

Chute, focus — clear plastic

Lever, dispense

Waterbath

Side View

Top View

Carbonator tank – Side View

Reference #

Description

Part #

00111476

502465

Pump, water bath (includes mounting plate and elbow)

Elbow, overflow drain, 1" (26mm) x 3/4 MPT

Elbow, clean-out drain, 3/8" (10mm) x 3/8 MPT

Coil, syrup

Not shown

502466

00125864

00126979

00119792

00119560

00119867

00119560

00119875

00125435

00207539

00207540

00123331

00123141

00125435

00125393

00127001

00127019

00127027

00127035

00111633

00107417

00106625

00107425

00107433

00107532

00107458

00107466

00107540

00107482

00111351

502627

Valve, QuickCARB assembly

Coil, carbonated water, 8 valve

Coil, carbonated water, 10 valve

Coil, carbonated, outer, 8 valve

Coil, carbonated, outer, 10 valve

Coil, water, non-carb, inner, 8 valve

Coil, water, non-carb, inner, 10 valve

Manifold, carbonated water, 8 valve

Manifold, carbonated water, 10 valve

Manifold, water, 8 valve

Not shown

Manifold, water, 10 valve

Shield, splash, RH

Shield, splash, LH

Not shown

Pump, discharge assembly, LH, 8 valve

Pump, discharge assembly, RH, 8 valve

Pump, discharge assembly, LH, 10 valve

Pump, discharge assembly, RH, 10 valve

Bracket, mounting outlet

Water probe, low level (black)

Bracket, carbonation tank

Elbow, 3/8" swivel (includes 00107433, 00107490)

Washer, seal, 3/8" (black)

Check valve, 3/8" (includes 00107433)

Elbow, 1/4" swivel (includes 00107466, 00106914)

Washer, seal, 1/4" (white)

Check valve, 1/4" (includes 00107466)

Pressure relief valve

Bracket, pump hose (includes 506627)

Screw, 8 x 1/2, stainless

Carbonator tank

Not shown

00107508

00107409

Water probe, high level (red)

Hopper

Side view

Reference #

Not shown

Description

Auger, LH unit (black, stamped with “1”)

Auger, RH unit (gray, stamped with “2”)

Part #

502491

502492

502486

502485

502487

502488

501681

501684

501682

502476

502560

501333

501768

501782

502484

502615

502490

501696

502497

500366

502522

502523

501176

502674

501432

502673

502674

00107516

00106658

00107524

00109355

Tube, auger, LH unit with beverage bath

Tube, auger, RH unit with beverage bath

Tube, auger, RH unit without beverage bath

Tube, auger, LH unit without beverage bath

Wheel, dispense (includes stud and rotating agitator)

Baffle (under dispense wheel)

Drive bar (under dispense wheel)

Motor, vertical auger

Motor, wheel

Seal, wheel motor

Spacer, wheel motor

Capacitor, wheel motor

Not shown

Agitator, rotating, 21" (534mm) long

Plate, wheel motor mounting

Agitator, stationery

Plate, auger bearing

Not shown

Bracket, ice tube, double tube

Ice transport tube (sold by the foot)

Ice transport tube, 10 ft

Ice transport tube, 20 ft

Insulation, transport tube (sold by the foot)

Cover, blank ice entry

Thermostat

Gasket, ice entry

Plate, ice entry, 2 holes

Union, 3/8" (includes 00107433)

Shelf, carbonator pump

Pump, carbonator (includes 00106658, 00109355)

Mounting screws & fittings, carbonator pump

Not shown

Auger motor

Top View

Side View

Reference #

Description

Part #

502493

502476

502477

502478

502479

502480

501314

502481

501550

502482

501765

502483

Auger motor/drive assembly, vertical (includes all items below)

Motor, vertical auger (includes gearbox and capacitor)

Chain, auger drive #35, 40p

Sprocket 35#, 22T 5/8 bore

Sprocket 35#, 12T 5/8 bore

Drive shaft

Bearing, auger, upper and lower

Cover and bearing, chain drive (includes 501314)

Capacitor, 25mf, 270V

Key, Woodruff

Washers, thrust, (4)

Mounting plate, auger motor (includes 501314)

Electrical components

Top View

L N O H N . C W I O C G . O C . O H M . M

MTR

ready

(orange)

circuit board

BEVERAGE BATH CONTROL BOARD DETAIL

Side View

Front View

LOW

HIGH

COM

BEV. BATH INDICATOR

WARM

COLD

#1 #2

N.O.

N.C.

COM

INPUT VOLTAGE

COLD CARBONATION LEVEL CONTROL BOARD DETAIL

Reference #

Description

Transformer, 24V

Relay, auto fill

Relay, dispense

Timer, auto fill (automatic fill units)

Strips, terminal

Switches (power and icemaker)

Board, circuit and probe (one unit)

Bracket, probe

Part #

502058

501826

502471

502472

502209

502473

502474

502511

502498

502499

502500

502501

502505

502608

502609

502610

500514

00106708

Switch, safety

Not shown

Switch, safety, rear cover assembly, LH unit

Switch, safety, rear cover assembly, RH unit

Switch, safety, drain pan assembly, LH unit

Switch, safety, drain pan assembly, RH unit

Switch, dispense, lever

Bracket, safety switch, rear

Bracket, safety switch, drain pan, RH

Bracket, safety switch, drain pan, LH

Thermostat, bin level

Control board, cold carbonation

801 Church Lane • PO Box D, Easton, PA 18044, USA

Toll free (800) 523-9361 • (888) 2-FOLLETT

00119610R00

04/04

_®L

(610) 252-7301 • Fax (610) 250-0696 • www.follettice.com

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