Scotsman SLC300 Installation Manual

Introduction

SLC300

To the owner or user: This service manual is intended to provide you, and the maintenance or service technician, with the information needed to install, start up, clean, maintain and repair this product.

The SLC300 is an ice machine that produces cubed ice on 4 vertical cube freezing surfaces.

When harvested, the cubes fall individually into the ice storage bin. The SLC300 automatically maintains the level of ice by turning on when the ice level falls, and switches off when the bin is full.

The refrigeration system uses R-502 as the refrigerant.

Table of Contents

Specifications page 2

Limitations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 3

Installation

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4

Bin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 5

SLD dispenser . . . . . . . . . . . . . . . . . . . . . . . . . . page 6

RS or IS dispenser . . . . . . . . . . . . . . . . . . . . . . . . page 7

Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 8

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 9

Final Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 10

Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 11

Initial Start Up page 12

Electrical Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 13

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 14

Water/ Refrigeration Schematic . . . . . . . . . . . . . . . . . . . . . . . . . page 16

Technical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . page 18

Service Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 19

Removal and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . page 21

Parts lists and wiring diagrams are located in the center of this manual, printed on yellow paper. Note the warning symbol where it appears in this

manual. It is an alert for important safety information on a hazard that might cause serious injury. Keep this manual for future reference.

This manual was printed on recycled paper.

November 1994

Page 1

Water

Inlet

Serial Number

Plate

SLC300

Specifications

Information regarding Model Number, Serial Number, Ampacity and Maximum Fuse Size are located on the nameplate of the ice machine. The model number, serial number and refrigerant charge are also listed on the serial number plate just behind the front panel.

If recharging, always use the charge listed on the ice machine.

Nameplate

SLC300 Cabinet

⁄8"

Electrical

Inlet

3 3⁄4"

SLC300 Back View

(Air Cooled Model Shown)

20"

Specifications:

The SLC300 will stack onto a

⁄4"

variety of ice storage bins, see sales literature for proper ice storage bin.

There is an optional stainless steel panel kit, SPKSLC, for this

22"

⁄8"

Drain

machine.

Model Number Dimensions

W" x D" x H"

Condenser

Type

Basic

Electrical

Minimum

Circuit

Ampacity*

Maximum Fuse Size (or HACR circuit

Refrigerant

Charge. R-502

breakers)

SLC300AE-1E 22 x 23 x 20 Air 115/60/1 19.7 20 15 ounces SLC300WE-1E 22 x 23 x 20 Water 115/60/1 18.2 20 16 ounces

* Minimum Circuit Ampacity is used to determine wire size and type per the National Electric Code.

January 1993

Page 2

For The Installer: Environmental Limitations

23"

The ice machine must be installed indoors in a controlled environment.

Minimum Maximum

Air Temp 55 Water Temp 40 Water Pressure 20 PSI 60 PSI Voltage 103.5 126.5

Operating the ice machine outside of the above limitations, or outdoors, is potentially damaging to the machine, and it is misuse of the machine. This may void the warranty.

Scotsman Ice Systems are designed and manufactured with the highest regard for safety and performance. They meet or exceed the standards of UL, NSF, and CSA.

Scotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman that have been altered in any way, including the use of any part and/or other components not specifically approved by Scotsman.

F. 1000F.

F. 900F.

SLC300

Scotsman reserves the right to make design changes and/or improvements at any time.

Specifications and design are subject to change without notice.

Airflow on air cooled models is:

••Intake through the right side grill.

••Exhaust through the back.

Dashed Lines Show

Outline of Ice Drop

Area.

Bin Control Mounts to

Right of Ice Drop Area.

12"

⁄2"

SLC300

Top View

Do not install where this air flow is obstructed.

6" Space Required for

Air Flow (Air Cooled

Only) and Utility

Connections

November 1994

Page 3

SLC300

Installation

Water

The water supply for this ice machine has been in contact with many materials since it fell from the sky as rain. All rain is slightly acidic, and tends to dissolve the materials it comes in contact with. During water’s journey to the ice machine, it has flowed over and through the ground, been picked up by a municipal or private pump, forced through a series of pipes of differing construction and may have been treated by the municipality providing the water.

The water supplied to this ice machine will then contain a variety of substances that will likely show up as solids during the ice making process. These solids are similar to those found when water is boiled out of a saucepan. Only the water boils away, and the minerals that were in the water solidify in the pan. During ice making only the water is frozen into ice, the minerals stay behind in the reservoir. This machine drains out some of the the water in the reservoir every cycle to minimize the amount of minerals in the water system, but after time the minerals will appear and have to be dissolved by ice machine cleaner, then flushed away during the cleaning process.

Location

This ice machine may be installed in the open or under a counter. Clearance may be required at the sides or top beyond what’s needed to place the cabinet into position. Air cooled models take air in the right side and exhaust out the back. Space is required for utility connections at the back.

The ice machine is NOT designed for outdoor use. It must be installed indoors, in a controlled environment. The air and water temperatures must not exceed rated limits.

Pre-installation:

1. Inspect the place where the ice machine is to be installed. Check for:

••space for the cabinet,

••water supply,

••drain availability

••and electrical power supply.

No extension cords are allowed. The building drain inlet must be lower than the drain outlet of the ice bin. The water supply must have a hand shut off valve accessible when the unit is installed.

An ice machine is a food manufacturing plant; it takes a raw material, in this case water, and transforms it into a food product, ice. The purity of the water is very important in obtaining pure ice and in maximizing product life.

The water to the ice machine should be filtered. Water filters vary greatly in ability and function. Install one that filters out suspended solids to a dimension of 5 microns or less. The finer the filter the better, but finer filters may plug-up sooner than course ones. It may be necessary to add a course filter ahead of the fine filter to prolong filter life. Polyphosphate feeders are usually effective in many water conditions.

Have the water tested. Acidic water or alkaline water will both cause corrosion. Dissolved solids cannot be filtered out. Softened water is not recommended. Never use de-ionized water. Reverse-osmosis water must be treated with buffering agents before use in the ice machine. Check with a water treatment specialist regarding testing, treatment and filters.

January 1993

Page 4

Installation: Ice Storage Bin

SLC300

Assembly:

1. Attach the legs, or optional casters, onto the ice storage bin. Units that are stacked should only use legs, not casters.

2. Be sure that the top edge of the bin has a good gasket on it.

3. Place the ice machine onto the storage bin.

4. Line up the ice machine, check that there is a good seal between the ice machine and the storage bin.

5. If on a Scotsman bin, attach the ice machine to the bin using the straps and bolts shipped with the ice machine. Drill two 1/8" holes in the back of the bin and secure with sheet metal screws provided. If on another brand bin, follow the directions included with that bin.

Bin Thermostat Installation:

1. Remove thermostat bracket from package.

2. Attach the bin thermostat bracket to the bottom of the ice machine using the thumb screws provided. There are pre-drilled and tapped holes located just to the right of the cube drop area.

Stacking:

This machine will stack onto any SLC300 or SLC400. Note: Do not use casters when stacking.

1. Remove and discard the left top panel from the lower unit.

2. Remove knock out plug from top right panel.

3. Place gasket material around the top of the bottom unit’s cabinet & evaporator compartment.

4. Carefully lift the uncrated top unit onto the bottom unit. Use of a mechanical lift is recommended for this step.

5. Align the two ice maker cabinets.

6. Secure the top unit to the bottom one with the hardware and straps shipped with the upper machine.

7. Locate and uncoil all of the bin thermostat capillary tube.

8. Route the bin thermostat capillary tube from the upper unit, through the hole in the base, through the lower unit and into the bin thermostat bracket. Discard upper unit bracket.

Bin Thermostat

Installation

Bin Thermostat

Bracket

Thermostat

Capillary Tube

3. Locate and uncoil a portion of the bin thermostat capillary tube. Route the end of the capillary tube into the plastic tube in the base of the ice machine (next to the compressor) and through the bin thermostat bracket.

Note: SLB150: Use thermostat

bracket packed with that bin.

Stacking

Routing Hole

Capillary Tube

Fasten Cabinets

Together At Back

With Straps &

Screws.

Bin Thermostat

Bracket

November 1994

Page 5

Bin Thermostat Capillary

Tube Installation

SLC300

Installation: SLD150 Hotel Dispenser

Assembly

The ice machine must be placed onto the top of the dispenser, and the bin thermostat capillary tube routed into the bracket in the dispenser.

1. Check that the dispenser has a gasket all around the perimeter of the top, 22" wide by 23" deep.

2. Locate the inlet hole of the thermostat bracket, and make sure that it is open.

3. Place a corner post from the ice machine carton at the front of left and right sides of the hotel dispenser top.

4. Use a mechanical lift and place the ice machine onto the dispenser. The cardboard corner posts should keep the front edge of the ice machine up.

5. Remove the front panel of the ice machine.

6. Locate the bin thermostat capillary tube and uncoil about 18" of tubing.

7. Locate plastic tube in base of ice machine, next to compressor and push the end of the capillary tube thru the tube, watch the capillary as it comes out of the base, line it up with the inlet hole of the thermostat bracket and push it into the hole. Move the cabinet of the ice machine until the capillary tube is going straight down into the inlet hole.

8. Carefully remove the corner posts.

9. Push the capillary tube into the thermostat bracket tube until about 14" of capillary tube is in the tube.

9 Remove the hardware package from the machine, remove brackets.

10. At the back of the dispenser, fasten brackets to the ice machine.

11. Using brackets for templates, drill 1/8" holes into the back of the dispenser.

Route Capillary Tube

Through Plastic

Tube In Base

Bin Thermostat

Bracket Mounted In

Dispenser

Temporarily

Support Machine

With Corner Posts

To Observe Cap

Tube Installation

12. Secure brackets to the dispenser with sheet metal screws from the hardware package.

13. Follow other installation instructions from the SLD150.

January 1993

Page 6

Installation: Scotsman IS or RS Dispenser

SLC300

Assembly:

The assembly of the ice machine onto the dispenser requires two additional parts: an adapter kit and a thermostat stand off kit.

1. Mark two spots on the inside left liner of the dispenser: 2" down from the top, 4" from the back, and 4" apart.

2. At the two marked spots, drill two 1/4" holes thru the plastic liner only.

3. From the stand off kit, locate the stand offs and plastic anchors. Thread the stand offs partially into the plastic anchors.

4. Push the anchors/stand offs into the holes.

5. Screw the stand offs all the way into the anchors. Be sure that the holes in the stand offs are horizontal.

6. Place a bead of silastic (from the kit) around the stand offs.

7. From the adapter kit, place the stainless steel adapter onto the top of the dispenser. Follow all directions included with the kit.

8. After the ice machine has been placed on the dispenser, remove the front panel and uncoil all of the bin thermostat capillary tube.

9. Route the capillary tube thru the front hole in the base of the ice machine, to the left side if the dispenser towards the stand offs.

10. Route the end of the capillary tube thru the stand offs, bend the tube around the stand offs so that it does not fall off.

11. Check that the routing of the capillary tube is away from the ice chute and up high near the base of the ice machine.

Installation of Bin Thermostat

Capillary Tube

K1 Kit Adapter

Stand Offs From Kit K6

Drill 2 Holes For

Stand-Offs:

2" From Top Of

Dispenser &

4" From Back &

4" Apart

Route Capillary

Tube Through Front

Plastic Tube

RS or IS

Dispenser

Route Capillary

Tube Through

Stand Offs

November 1994

Page 7

3/8" FPT Inlet

Water Cooled

Condenser Plumbing

Connections

SLC300

Installation

For The Plumber

Supply:

Screw the 3/8" male flare (fitting shipped in package inside cabinet) into the 1/4" FPT fitting at the back of the cabinet (thread tape recommended). Connect cold potable water to the water inlet. A hand shut off valve for inlet water should be installed near the machine. A water filter is recommended. Flush the water line prior to connecting to the ice machine.

If water cooled, connect a separate water inlet line to the water cooled condenser inlet fitting. It should also have a hand shut off valve.

Drains:

Connect a drain tube to the reservoir drain fitting at the back of the cabinet. The drain tube from the fitting must be run separately from any other drain tube. The reservoir drain is a 3/4" F.P.T. brass fitting.

Drain tube material must be rigid and meet local code.

Traps in the bin drain line without vents ahead of them will cause poor draining.

The bin drain must be vented if there is a long horizontal run (5’ or more). The reservoir drain must be vented and not connected to the bin drain. All drains are gravity, and must have a minimum fall of 1/4" per foot of horizontal run.

Water Cooled: The water cooled condenser drain is not vented, and is routed separately.

Maintain the air gap required by local code between the end of the drain tubes and the building drain receptacle.

Note: Drain tubing should be insulated to prevent condensation from forming on the tubing.

CONFORM TO ALL LOCAL CODES

3/8 Male Flare

Water Inlet

Water Shut

Off Valve

Reservoir Drain

3/4" FPT, Must Be Vented.

Bin Drain. May Be Routed From

The Bottom On Some Model

Bins. Fitting May Be Plastic.

DO NOT OVERHEAT.

1/2" FPT

Outlet

Ice Storage Bin

(Typical)

Water Supply and Drain Connections

January 1993

Page 8

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