Follett Horizon Elite HC Series Operation And Service Manual

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 1

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Horizon Elite™ Ice Machines (Remote Condensing)

801 Church Lane • Easton, PA 18040, USA

Toll free (877) 612-5086 • +1 (610) 252-7301

www.follettice.com

Following installation, please forward this manual

to the appropriate operations person.

Operation and Service Manual

After Serial Number L60417

Order parts online

www.follettice.com

01157841R05

2 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 3

Contents

Welcome to Follett. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Before you begin ............................................................................... 4

Specications .................................................................................5

Electrical ................................................................................... 5

Evaporator unit .............................................................................. 5

Condensing unit .............................................................................5

Evaporator plumbing .......................................................................... 5

Flush drain plumbing ......................................................................... 5

Ambient .................................................................................... 6

Refrigeration ................................................................................6

Weight .....................................................................................6

Ice production ...............................................................................6

Dimensions and clearances ....................................................................7

Operation .....................................................................................9

Cleaning/sanitizing and preventive maintenance (all models) ..........................................9

Service ...................................................................................... 13

Ice machine operation (all models) ............................................................. 13

Water system ................................................................................. 14

“Bin full” detection system ..................................................................... 15

Electrical system ............................................................................ 16

Mechanical System ............................................................................21

Evaporator disassembly ...................................................................... 21

Evaporator reassembly ....................................................................... 24

Refrigeration system ......................................................................... 29

Troubleshooting ..............................................................................32

Replacement parts ............................................................................ 34

Evaporator assembly ........................................................................34

Low-side assembly ..........................................................................36

Electrical box ..............................................................................38

Integration kit – top-mount and RIDE remote ice delivery ........................................... 40

Skins assembly ............................................................................. 42

1810 Single-phase condensing unit ............................................................. 44

2110 Single-phase condensing unit .............................................................45

1810 3-phase condensing unit ................................................................. 46

2110 3-phase condensing unit ................................................................. 47

4 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Welcome to Follett

Follett equipment enjoys a well-deserved reputation for excellent performance, long-term reliability and

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

that you review the installation manual (provided as a separate document) before beginning to install the unit.

Our instructions are designed to help you achieve a trouble-free installation. Should you have any questions

or require technical help at any time, please call our technical service group at (877) 612-5086 or +1 (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 LLC 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 equipment. Following is an explanation of the different

model numbers in the series.

ConfigurationApplication

S RIDE™

(RIDE remote

ice delivery

equipment)

T Top-mount

425 up to

425 lbs

(193 kg)

710 up to

675 lbs

(306 kg)

1010 up to

1061 lbs

(482 kg)

1410 up to

1466 lbs

(665 kg)

1810 up to

1790 lbs

(812 kg)

2110 up to

2039 lbs

(925 kg)

V Vision™

H Harmony™

B Ice storage bin

J Drop-in

M Ice Manager

diverter valve

system

P Cornelius Profile

PR150

CondenserSeriesVoltageIcemaker

C 208-230/60/1 (icemaking head)

Self-contained only.

D 115/60/1 (icemaking head)

Self-contained and remote. If remote

unit, high side is 208-230/60/1.

E 230/50/1 (icemaking head)

Self-contained only.

F 115/60/1 (icemaking head)

Remote only. High side is

208-230/60/3.

MC Maestro™

Chewblet

®

(425 Series)

HC Horizon

Chewblet

(710, 1010,

1410, 1810,

2110 Series)

HM Horizon

Micro Chewblet

HC 1810D SVA

A Air-cooled, self-contained

W Water-cooled, self-contained

R Air-cooled, remote condensing unit

N Air-cooled, no condensing unit for

connection to parallel rack system

Chewblet

®

Ice Machine Model Number Configurations

CAUTION

• Warranty does not cover exterior or outside installations.

• Moving parts. Do not operate with front cover removed.

• Hot parts. Do not operate with cover removed.

• To reduce risk of shock, disconnect power before servicing.

• Drain line must not be vented.

• Water supply must have particle filtration.

• Most ice machine cleaners contain citric or phosphoric acid, which can cause skin irritation. Read caution

label on product and follow instructions carefully.

• 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.

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 5

Specifications

Electrical

Separate, dedicated circuit and equipment ground required.

Evaporator unit

Standard electrical: 115/60/1

Maximum fuse: 15A

Amperage: 5A

Condensing unit

1810 Single-Phase 1810 3-Phase 2110 Single-Phase 2110 3-Phase

Electrical 208-230V, 60Hz

Max Circuit HVACR breaker size 45A 25A 45A 30A

Min Circuit Ampacity 26.2A 15.7A 27.1A 19.9A

Evaporator plumbing

§ 3/8" OD push-in water inlet (connection inside machine) - 3/8" OD tubing required.

§ Water shut-off recommended within 10 feet (3 m).

§ Follett recommends installation of Follett water filter system (part# 00130286) in ice machine inlet water

line.

Flush drain plumbing

§ 3/4" MPT flush drain connection at the rear of the machine.

§ Drain must slope 1/4" inch per foot (6 mm per 30.4 cm).

§ Drain line should not be shared with any other piece of equipment.

§ Drain line cannot be reduced to a size smaller than 1 inch.

§ Drain should be piped without a vent.

3/4" barb x 3/4" FPT

1" Stand pipe/Drain

2 ft. x 1" OD

silicone tubing

Minimum 8"

radius

3/4" MPT x 1" slip

1" PVC Drain

2 ft. x 1" OD

silicone tubing

3/4" MPT x 1" slip

3/4" barb x 3/4" FPT

1'

1/4" per foot

(6,4 mm per 0,3 m)

6 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Ambient

Evaporator unit

Air temperature 100 F/38 C max. 50 F/10 C min.

Water temperature 90 F/32 C max. 45 F/7 C min.

Water pressure 70 psi max. (483 kPa) 10 psi min. (69 kPa)

Condenser unit

Air temperature 120 F/49 C max. –20F/–29C min.

Refrigeration

§ 3/8" liquid line

§ 7/8" suction line

Note: Rack system installations require a capacity of 15,700 BTU/hr for 1810 machines and 18,200 BTU/hr for

2110 machines at 0 F (–18 C) evaporator temperature. Evaporator pressure regulator (not supplied) is

required.

Weight

Evaporator unit:

1810: 157 lbs (71.2 kg)

2110: 165 lbs (74.8 kg)

Condensing unit: 305 lbs (138.3 kg)

Ice production

1810 ice machine capacity/24 hrs.

Ambient Air Temperature F/C

Evap Potable Water Temperature F/C

F 60 70 80 90 100

C 16 21 27 32 38

50 1859 1784 1685 1616 1500 lbs

10 843 809 764 733 680 kg

60 1723 1684 1578 1563 1409 lbs

16 782 764 716 709 639 kg

70 1620 1594 1514 1420 1319 lbs

21 734 723 687 644 598 kg

80 1550 1487 1485 1351 1299 lbs

27 703 674 674 613 589 kg

90 1471 1435 1370 1285 1207 lbs

32 667 651 621 583 547 kg

2110 ice machine capacity/24 hrs.

Ambient Air Temperature F/C

Evap Potable Water Temperature F/C

F 60 70 80 90 100

C 16 21 27 32 38

50 2039 2039 1934 1825 1703 lbs

10 925 925 877 828 772 kg

60 1943 1888 1878 1710 1584 lbs

16 881 856 852 772 718 kg

70 1833 1781 1789 1634 1489 lbs

21 831 808 811 741 675 kg

80 1754 1686 1643 1535 1426 lbs

27 796 765 745 696 647 kg

90 1650 1603 1577 1457 1395 lbs

32 748 727 715 661 633 kg

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 7

Dimensions and clearances

§ Entire front of ice machine must be clear of obstructions/connections to allow removal.

§ 1" (26mm) clearance above ice machine for service.

§ 1" (26mm) minimum clearance on sides.

A 22.5" (57.1 cm)

B 21.1" (53.6 cm)

C 22.9" (58.2 cm)

D 1. 8 " (4.5 cm)

E 20.8" (52.9 cm)

F 18.3" (46.4 cm)

G 2.7" (6.9 cm)

H 2.3" (15.3 cm)

I 5.0" (12.8 cm)

J 22.0" (55.9 cm)

K 22.7" (57.6 cm)

A

B

C

D

K

E

F

G

H

J

I

TOP VIEW

FRONT VIEW

BACK VIEW

3/8" LIQUID LINE

7/8" SUCTION LINE

3/8" OD PUSH-IN

WATER INLET

3/4" BARB DRAIN

NEMA 5-15

RIGHT ANGLE

8 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Condensing unit

30" (76.2 cm)

25.75"

(65.3 cm)

29.9" (76 cm)

38.5" (97.5 cm)

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 9

Operation

Cleaning/sanitizing and preventive maintenance (all models)

Note: Do not use bleach to sanitize or clean the icemaker.

Preventive maintenance

Periodic cleaning of Follett’s icemaker system is required to ensure peak performance and delivery of clean,

sanitary ice. The recommended cleaning procedures that follow should be performed at least as frequently as

recommended, and more often if environmental conditions dictate.

Cleaning of the condenser can usually be performed by facility personnel. Cleaning of the icemaker system,

in most cases, should be performed by your facility’s maintenance staff or a Follett authorized service agent.

Regardless of who performs the cleaning, it is the operator’s responsibility to see that this cleaning is performed

according to the schedule below. Service problems resulting from lack of preventive maintenance will not be

covered under the Follett warranty.

Weekly exterior care

The exterior may be cleaned with a stainless cleaner such as 3M Stainless Steel Cleaner & Polish or equivalent.

Monthly condenser cleaning (air-cooled icemaker only)

1. Use a vacuum cleaner or stiff brush to carefully clean condenser coils of air-cooled icemakers to ensure

optimal performance.

2. When reinstalling counter panels in front of remote icemakers, be sure that ventilation louvers line up

with

condenser air duct.

Semi-annual evaporator cleaning (every 6 months)

WARNING

• Wear rubber gloves and safety goggles (and/or face shield) when handling ice machine cleaner or sanitizer.

CAUTION

• Use only Follett approved SafeCLEAN Plus™ cleaning solution.

• DO NOT USE BLEACH.

• It is a violation of Federal law to use these solutions in a manner inconsistent with their labeling.

• Read and understand all labels printed on packaging before use.

Note: Complete procedure for cleaning an sanitizing MUST be followed. Ice must be collected for 10minutes

before putting ice machine back into service.

Fig. 1

1. Press the CLEAN button. The machine will drain. The

auger will run for a short time and then stop. Wait

for the LOW WATER light to come on.

LO WATER

10 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Fig. 2

2. Follow the directions on the SafeCLEAN Plus

packaging to mix 1 gal. (3.8 L) of Follett SafeCLEAN

Plus solution. Use 100 F (38 C) water.

3. Using a 1 quart (1L) container, slowly fill cleaning

cup until CLEANER FULL light comes on. Do not

overfill.

4. Place one Sani-Sponge™ in remaining sanitizing

and cleaning solution and retain for Step 9.

Note: Do not use bleach to sanitize or clean the icemaker.

CLEANER FULL

Fig. 3

5. Replace cover on cleaner cup. Machine will clean,

then flush 3 times in approximately 15 minutes.

Wait until machine restarts.

15

Fig. 4

6. To clean/sanitize ice transport tube – Press power

switch OFF

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 11

Fig. 5

7. Disconnect coupling as shown.

Fig. 6

8. Using disposable food service grade gloves, insert

dry Sani-Sponge.

9. Insert Sani-Sponge soaked in SafeClean Plus (from

Step 4).

10. Push both Sani-Sponges down ice transport tube

with supplied pusher tube.

1

2

3

16"

(407 mm)

Fig. 7

11. Remove and discard 16 inch (407 mm) pusher tube.

12 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Fig. 8

12. Reconnect coupling. Press power switch ON. Ice

pushes Sani-Sponges through ice transport tube.

Fig. 9

13. Place a sanitary (2 gal. or larger) container in bin

or dispenser to collect Sani-Sponges and ice for 10

minutes.

14. Collect 5.5 lbs (3 kg) of ice from unit. Discard ice

and Sani-Sponges.

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 13

Service

Ice machine operation (all models)

Follett’s ice machine consists of five distinct functional systems covered in detail as follows:

§ Water system

§ Electrical control system

§ Mechanical assembly

§ Refrigeration system

§ Bin full

The Horizon ice machine overview

The Follett Horizon ice machine uses a horizontal, cylindrical evaporator to freeze water on its inner surface.

The refrigeration cycle is continuous; there is no batch cycle. The evaporator is flooded with water and the level

is controlled by sensors in a reservoir. A rotating auger (14 RPM) continuously scrapes ice from the inner wall

of the evaporator. The auger moves harvested ice through the evaporator into an ice extrusion canal. The ice

is forced through a restrictive nozzle that squeezes out the water and creates the Chewblet. The continuous

extrusion process pushes the Chewblets through a transport tube into a dispenser or bin.

A solid state PC board controls and monitors the functionality of the ice machine. In addition to sequencing

electrical components, the board monitors various operational parameters. A full complement of indicator

lights allows visual status of the machine's operation. Additionally, the PC board controls the self-flushing

feature of the ice machine. The evaporator water is periodically drained and replenished to remove minerals

and sediment.

A unique “bin full” detection system is incorporated in the Horizon ice machine. A switch located at the ice

discharge port of the machine detects the position of the transport tube. When the bin fills up with ice, the

transport tube moves out of the normal running position, and the switch turns the ice maker off. A domed

housing at the end of the transport tube contains the ice extrusion loads during shut down.

Harvest system diagram

Ice Transport Tube

Auger

Compression

Nozzle

Water Inlet

14 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Water system

The water level in the evaporator is controlled by a feed solenoid and level detecting sensors. Referencing the

diagram below, water sensing probes extend down into the reservoir at the end of the evaporator assembly.

The system works via electrical conductivity as follows:

The probe labeled B is the common. When water is between any of the other probes and the common, the PC

board will sense the activation. During normal operation, the water level rises and falls between the Normal

High and Normal Low probes. As water is consumed to make ice, the level will fall until the Normal Low probe is

exposed, triggering the water feed solenoid on. Water will fill until the Normal High sensor is activated.

Note: The potable water total dissolved solids (TDS) content must be greater than 10 ppm for the water control

system to function properly. If using reverse osmosis water filtration system, ensure TDS level is greater

than 10 ppm.

Water system diagram

Water level diagram

Common

Normal Hi

Normal Lo

Normal

Operating

Range

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 15

“Bin full” detection system

The Follett Horizon ice machine incorporates a unique “bin full” detection system that consists of the shuttle

and actuator. The shuttle incorporates a flag and switch. Referencing the figure below, the normal running

position of the flag is down, and the switch is closed. When the bin fills to the top and ice can no longer move

through the tube, the machine will force the shuttle flag up, opening the switch and shutting the machine off.

The shuttle actuator, located above the ice bin allows the ice to curl up within it when the bin is full. In this way,

there are no loads generated that would tend to lift off the lid of the bin.

Running

Off

Running

Off

Shuttle flag and sensor

Shuttle actuator

16 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Electrical system

ATTENTION!

To prevent circuit breaker/Hi-amp overload, wait 5 minutes before

restarting this unit. This allows the compressor to equalize and the

evaporator to thaw.

Normal control board operation

The PC board indicator lights provide all the information necessary to determine the machine's status. Green

indicator lights generally represent “go” or normal operation; Yellow indicators represent normal off conditions;

Red indicators generally represent alarm conditions, some of which will lock the machine off.

A flashing green light labeled POWER indicates power to the machine. All other normal operation status

indicators are covered as follows:

Ice machine disposition Operating conditions

FLASHINGON or OFF

Legend:

OFFON

1. Ice machine is making ice.

.

1. Normal running.

2. Ice machine is not making ice.

2. Normal time delay. When the bin fills with ice, the LOW BIN

light goes out momentarily and the refrigeration and auger

drive systems immediately shut down. (Note: The fan motor will

continue to run for 10 minutes to cool condenser) The TIME

DELAY light comes on, initiating the time delay period. When

the time delay expires, the machine will restart provided that

the LOW BIN light is on.

DIP Switch Settings

SET TO OFF

Error faults:

The Horizon PC board monitors various operating parameters including high pressure, auger gearmotor

amperage limits, clogged drain, and low water alarm conditions. There are three types of errors namely “soft”

(time delay) "hard" (reset), and “run”.

§ Soft errors will automatically reset after the 1 hour time delay or can be reset by cycling power.

§ Hard errors must be reset on the control board.

§ Run errors will give an indication of a problem, but will allow continuous normal operation.

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 17

Soft errors:

HI AMPS: The PC board monitors the amperage of the auger motor. Should the gear motor experience

current draw above the allowable limit, the machine will shut down and the TIME DELAY and HI AMP will be

illuminated. After the time delay the machine will restart and the TIME DELAY and HI AMP will clear.

LO WATER: During operation, the water level cycles between the normal low and normal high sensors. Should

the water be shut off to a running machine, a soft error will occur. The error sequence is as follows: During

operation, the water level falls to the normal low sensor, and when it does the water feed solenoid is energized.

If water is not detected at the normal low sensor within 10 seconds, a soft error will occur. The machine will

shut down, but the water feed solenoid will remain energized. Should water return, it will fill to the normal low

sensor and the machine will resume normal operation. The error will clear automatically.

HI PRESSURE: Should the refrigeration pressure rise above 425 psi, the machine will shut down and the TIME

DELAY and HIGH PRESSURE will be illuminated. After the time delay, and if the pressure has fallen back below

the reset point of 295 psi, the machine will restart and the TIME DELAY and HIGH PRESSURE will clear.

Water feed error: While in making ice mode, if the water level does not fall below the low probes for 9 minutes,

the machine will enter a 1-hour time delay soft error with the LOW WATER light flashing. After the time delay

expires, the machine will try to make ice.

SERVICE: The sensor, located in the chassis will detect the presence of water just below the top edge of the

chassis.

Hard error:

HI AMPS will light as a hard error if the gearmotor circuit is open (zero current draw). Press reset on the control

board to clear this error.

Run errors:

DRAIN CLOG: When the machine shuts down on a full bin and there has been 30 minutes of cumulative

compressor run time, the machine will purge before starting. During this purge, if water does not get below the

low probe in the reservoir within 20 seconds, the Drain Clog LED will light. The machine will continue to run but

this is an indication of a poorly draining machine and must be addressed.

Relay output indication:

Each relay on the board has an indicator light associated with its output. For example, when the relay for the

water feed solenoid is energized, the adjacent indicator light glows green.

Evaporator flushing sequence:

During operation, the purge solenoid will open in order to drain water. There are two drain settings to choose

from: High TDS or Low TDS. (There is a rocker switch behind the front cover of the machine.) The intent is to

drain the Total Dissolved Solids from the machine while it makes ice.

While ice is being made, the TDS of the water in the evaporator increases in TDS concentration. Without

periodic draining, the TDS levels will climb to very detrimental levels, levels that will cause scale to form and

cause poor machine operation. The Low TDS setting will allow the machine to operate for one hour before

going through the flushing sequence; the High TDS setting will allow the machine to run for 10 minutes before

going through the flushing sequence.

The flushing sequence toggles the purge and fill solenoids three times. That is, the purge solenoid will energize

until the water level drops below the low probe. The fill solenoid then energizes until water reaches the high

probe, and so on for 3 cycles.

Typically, High TDS might be considered levels above 200 PPM, but local experience and varying water

chemistry may compel a High TDS setting for best performance in even lower TDS levels.

Off cycle: At the completion of off-cycle time delay, the machine checks for a cumulative 30 minutes of ice

making time since the last off-cycle flush. If the cumulative ice making time exceeds 30 minutes, the machine

will open the drain valve for 60 seconds to drain the evaporator in its entirety. It will then refill with water and

begin making ice. If the ice making time is less than 30 minutes, the machine will start and begin making ice

without draining the evaporator.

18 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

Wiring diagram, evaporator unit

Gearmotor data

Gearmotor current 4.0A @ 115 V

Gearmotor torque-out (high amp) trip point: 7.0A

HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N 19

Single-phase condensing unit wiring diagram

208-230V/1/60Hz

5

2

1

RUN 1

RUN 2

μF START

15 kΩ-1W

COMPRESSOR

C

S

R

LPC

C

CCH

HPC

CC

AR

HC

HIGH LIMIT 80F

PTC

CIRCUIT BREAKER (by others)

CONDENSER

FAN

MOTOR

Start Relay

NOTE: MAKE CONNECTIONS AT

CONTACTOR LUGS

45A for MTZ36-1AV

45A for MTZ44-1AV

(Danfoss MTZ36-1AV) MOP = 45; MCA = 26.2

(Danfoss MTZ44-1AV) MOP = 45; MCA = 27.1

20 HC_1810R/N, HC_2110R/N, HM_1810R/N, HM_2110R/N

3-phase condensing unit wiring diagram

T3

T2

T1

COMPRESSOR

208-230V/3/60Hz

CONDENSER

FAN

MOTOR

CC

AR

LPC

C

HPC

PHASE MONITOR

HC

HIGH LIMIT 80F

CCH

PTC

CIRCUIT BREAKER (by others)

NOTE: MAKE CONNECTIONS

AT CONTACTOR LUGS

25A for MTZ36-3AV

30A for MTZ44-3AV

(Danfoss MTZ36-3AV) MOP = 25; MCA = 15.7

(Danfoss MTZ44-3AV) MOP = 30; MCA = 19.9

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