Supera UIM-240FA User manual

UIM-240FA, UIM-300FA

UNDERCOUNTER

CUBE ICE MACHINES

INSTRUCTION MANUAL

This manual contains important information regarding your Supera unit. Please read this manual thoroughly prior to equipment set-up,

operation and maintenance. Failure to comply with regular maintenance guidelines outlined in this manual may void the warranty.

INTRODUCTION

How To Use This Manual

Supera provides this manual as an aid to the service technician in installation and maintenance of

the (electro-mechanical) cube ice machines. Do not attempt to perform installation, start-up or

maintenance unless you have read and fully understand this manual.

If at any time you encounter conditions that are not addressed in this manual, contact the Supera

Service Department:

Telephone: 866-953-3288

E-mail: Service@SuperaCo.com

Any service communication must include:

•Model

•Serial Number

•A detailed explanation of the issue

Keep this manual for future reference.

The Supera Service Parts Manuals are available separately.

Supera icemakers and dispensers are not approved for outdoor installation.

WARNING: Always disconnect electrical power and shut off water supply whenever maintenance

or repairs are performed on the ice machine and related equipment.

CAUTION: Always wear protective eyewear whenever maintenance or repairs are performed on

the ice machine and related equipment.

FREIGHT CLAIM PROCEDURE

IMPORTANT: Freight Claims

Inspect Promptly

This merchandise hasbeen carefully inspectedandpacked inaccordance with the carrier’s

packing specifications. Responsibility for safe delivery has been assumed bythe carrier. Ifloss or

damage occurs, you asthe consignee must file a claim with the carrier and hold the container for

carrier’s inspection.

Visible Loss or Damage

Any external evidence of loss or damage must be fully described and noted on your freight bill or

express receipt and signed bythe carrier’s agent. The claim should be filed ona form available

from the carrier.

Concealed Loss or Damage

If loss or damage does not appear until merchandise has been unpacked, make a written request

for inspection by thecarrier within 15days of thedelivery date. Then file a claim ona form from

the carrier.

If your unit arrives damaged, please contact your local distributor immediately.

File Claim Without Delay

Do Not Return Damaged Merchandise to Supera, LLC

INSTALLATION GUIDELINES

Installation Guidelines

For proper operation oftheSupera Ice Machine, thefollowing installation guidelines must be

followed. Failure to do so may result inloss of production capacity, premature part failures, and

may void allwarranties.

Reference the installation parameters prior to installing the machine:

Ambient Operating Temperatures

Minimum Operating Temperature: 50°F (10°C)

Maximum Operating Temperature 100°F (38°C), 110°F (43°C) on 50 Hz. Models

Note: Supera icemakers anddispensers arenot approved foroutdoor installation.

IncomingWaterSupply (See Electrical and Plumbing Diagrams for linesizing)

Minimum incoming water temperature: 40°F (4.5°C)

Maximum incoming water temperature: 100°F (38°C)

Minimum incoming water pressure: 20 psi (1.4 bar) (0,138MPa)

Maximum incoming water pressure: 60 psi (4.1 bar) (0.414MPa)

Note: Ifwater pressure exceeds 60psi (4.1bar),a water pressure regulator mustbeinstalled.

Drains

All drain lines must beinstalled per local codes. Flexible tubing isnot recommended. Route bin

drain, purge drain and water condenser drain individually toa floor drain. The use ofcondensate

pumps for draining waterisnot recommended bySupera. Supera assumes noresponsibility for

improperly installed equipment.

Note: Thepurge drainfittingis plastic; DONOT apply heat to thepurge drain area;DONOT

overtighten.

Water Filtration

ASupera water filter system should beinstalled with the icemachine.

Clearance Requirements

Self-contained air cooled ice machines must have a minimum of 6inches (15cm) of clearance at

the rear, top, and sides of the ice machine for proper air circulation.

Stacking

Supera does not endorse stacking ice machines.

Electrical Specifications

Refer to the serial plate at the rear of the ice machine to make sure proper voltage andcircuit

breaker size have been supplied. Make sure the machine is on a dedicated circuit. European

installations require that the electrical supply fixed wiring must be provided with a disconnect

means having a separation of atleast 3mm in all poles. The ice machines are provided without an

electrical cord set and are designed and agency approved to be permanently connected.

The 115 volt Undercounter ice makers are supplied with anelectrical cord, all other ice makers will

need to be installed and wired per local electrical codes.

Caution: Electrical connection must be made or a cord installed by a qualified electrician or

there is danger of an electrical fire.

Adjustments

Level the machine within 1/8 inch in all directions. Check the bin control for proper adjustment.

Check the water in the water trough for proper level. Check the ice bridge for proper thickness.

Check the water regulating valve adjustment if water cooled

INSTALLATION GUIDELINES

Remove the bin carton and tip the bin on its back to remove the skid and attach the bin legs.

Secure the machine on top of the bin or dispenser.

Attach the ice machine to the bin with the mounting straps provided with the bin or dispenser.

Insure that the back of the ice machine is flush with the back of the bin. Proper functioning of the

bin door requires the bin door, when it is opened, to be in a stable position.

If the ice machine is too far forward on the bin, the opened door may not be stable, resulting in an

unexpected closing of the bin door. If the ice machine is to be mounted on a bin or dispenser

other than a Supera, refer to the manufacturer instructions for machine mounting. Supera will not

be responsible for damage or injury that results from unexpected closing of the bin door as a

result of the ice machine being too far forward on the bin.

Important!

A water filtration system should be installed with all ice machines. Check the filter manufacturer's

instructions for proper installation.

All water supply lines must be installed per local codes. Use 1/4 inch O.D. minimum on air cooled

machines. On water cooled machines 3/8 inch O.D.

minimum tubing must be run to the condenser. The

water supply for the float can “T” off from the

condenser line using 1/4 inch

O.D. minimum tubing. Make 2 coils of extra tubing so

that the machine can be pulled away from the wall if

service is needed.

All drain lines must be installed per local codes. The

purge drain should be a minimum of 5/8 inch O.D.

tubing. The condenser drain on water cooled units

should be 3/8 inch O.D. minimum. The drain line

fittings on Supera bins are 3/4 FPT. The bin drain

should be a minimum of 3/4 inch O.D. Cold water

drains should be insulated to prevent condensation

from forming.

Warning!

Do not apply heat directly to the back of bin as

damage may occur to plastic parts.

Do not over tighten the purge drain fitting as

damage may occur to plastic parts.

Connect power supply to the terminal block in the

control box or at the rear junction box if equipped.

Ensure the machine is level within 1/8 inch in all

directions.

Remove any shipping or packaging material.

Once the machine has been installed, follow the start-

up procedures.

ELECTRICAL AND PLUMBING REQUIREMENTS

UIM-240FA

ON-OFF-WASH Switch is located in

the control box.

Remove the grill screws to access the

control box.

Note: This unit does not have a splash curtain.

This model utilizes a thermostatic bin control

in place of a mechanical bin switch.

ELECTRICAL PLUMBING REQUIREMENTS

UIM-300FA

Note: This unit does not have a splash

curtain.

This model utilizes a thermostatic bin

control in place of a mechanical bin

switch.

ON-OFF-WASH Switch is located

in the control box.

Remove the grill screws to access

the control box.

HOW THE ICE MACHINE WORKS

A general description of how the Supera Cubers works is given below. With the ICE/OFF/WASH

switch in the ice position, the compressor, water pump and condenser fan motor (when

applicable) will energize starting the freeze cycle.

During the freeze cycle, water is circulated over the evaporator(s) where the ice cubes are

formed. When the suction pressure has pulled down to the proper cut-in pressure of the timer

initiate (pressure control), the contacts will close and energize the time delay module (timer). At

this time, the cubes will be close to completion.

The remaining portion of the freeze cycle is determined by the timer setting. The timer is pre-set

at the factory to achieve the proper ice bridge thickness but may need to be adjusted upon initial

start-up.

Once the amount of time on the timer has passed, the control relay will be energized and the

machine will enter harvest. Power is now supplied to the water purge valve, hot gas valve, and the

harvest motor.

The water purge valve opens, and allows the water pump to purge the water remaining in the

water trough, removing impurities and sediment. This allows the machine to produce clear ice

cubes and keep mineral build up at a minimum.

The hot gas solenoid opens allowing hot gas to go directly to the evaporator, heating the

evaporator and breaking the bond between the evaporator and the ice slab.

The harvest assist motor, which is also energized during harvest, turns a slip clutch, which pushes

a probe against the back of the ice slab. Once the evaporator has reached approximately 40°F

(4.5°F) in temperature, the slip clutch overcomes the bonding of the ice to the evaporator and

pushes the slab of ice off of the evaporator and into the storage bin.

The clutch also actuates a switch that rides on the outer edge of the clutch. When the clutch

completes one revolution, the switch is tripped and the machine enters the next freeze cycle.

Supera models utilize a thermostatic bin control in place of a mechanical bin switch.

START UP PROCEDURE

Before starting the machine, make sure the machine islevel within 1/8 inch inall directions, the bin

or dispenser leg height can be adjusted byrotating thelegfoot.

Check the water level in the water trough. Itshould be approximately ½ inch above the top of the

water pump impeller housing. The water level can be adjusted by bending the float arm.

Move the ICE-OFF-WASH switch to theICE position. The switch islocated inthe control box.

Remove the ice machine front panel or remove the lower grill on the under counter models to

access the control box.

Check for proper water flow overthe evaporator(s). There should be an evenflow of water over

the evaporator(s).

Check the water regulating valve (water cooled machine) for proper adjustment bymeasuring the

discharge pressure which should beadjusted tomaintain 250 psi (17.01 bar / 1.723 MPa). Adjust

the water regulating valve as required. Water exiting the condenser should be between 100°F

(38°C) and 110°F (43°C).

As ice begins toform on the evaporators, check the freeze pattern of the ice. Ice should form

evenly across the evaporator.

Bridge Thickness and Timer Adjustment

Once the unit has gone through 1 or2 harvest cycles, verify that the ice production is per the

chart below.

Model

Batch Weight

UIM-240FA, UIM-300FA

3.2 – 3.5

As a reference, when ice drops off the evaporator(s) during harvest, check the bridge thickness of

the ice slab. The bridge should be approximately 3/16 of an inch on Undercounter, UIM-240FA and

UIM-300FA units. The bridge should be approximately 1/8 of an inch on all other units. If the batch

weight or bridge thickness is incorrect, the timer will need to be adjusted.

Both the Ice Batch Weight and Bridge Thickness are controlled by the freeze timer located in the

control box. To check the timer setting, add the seconds of each dipswitch turned to the “ON”

position. The number beside the each dipswitch represents seconds. To increase the Batch Weight

and bridge thickness, increase the timer setting. To decrease the Batch Weight and bridge

thickness, decrease the timer setting. The freeze timer can be adjusted by sliding one or more

switches to either the “ON” or “OFF” position to obtain the desired setting.

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