Cornelius IAF1000 Manual de usuario

PRINTED IN U.S.A

IMI CORNELIUS INC; January 1997

THE HOTTEST MACHINES ON ICEt

Installation Instructions

“I” Series Flaker/Nugget Ice Machines

Model Number Description

IAF1000 / IAF650 Flaker/Nugget Modular Head Ice Maker Air Cooled

IWF1000 / IWF650 Flaker/Nugget Modular Head Ice Maker Water Cooled

IRF1000 / IRF650 Flaker/Nugget Modular Head Ice Maker Remote Cooled

Part No. 630460004

3/31/97

Revised 4/11/97

THIS DOCUMENT CONTAINS IMPORTANT INFORMATION

This Manual must be read and understood before installing or operating this equipment

i6304600003

TABLE OF CONTENTS

INTRODUCTION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION INSTRUCTIONS 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WATER AND ICE CIRCUIT 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

“I”SERIES FLAKER CLEANING

AND SANITIZING PROCEDURE 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WATER TREATMENT 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WINTER STORAGE 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CLEANING THE CONDENSER (AIR COOLED) 7. . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION INSTRUCTIONS REMOTE CONDENSERS 14. . . . . . . . . . . . . . . .

REMOTE CONDENSER LOCATION 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HEAD PRESSURE CONTROL [HEADMASTER] 19. . . . . . . . . . . . . . . . . . . . .

REMOTE SYSTEM EVACUATION/RE-CHARGE 20. . . . . . . . . . . . . . . . . . . . .

FIGURE AND INSTALLATIONS

FIGURE 1. Bin Thermostat Installation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 2. Service Connections 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 3. instructions for converting flaked ice to nugget ice. 4. . . . . . . . . . . . . . . . . . .

FIGURE 4. water level 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 5. wiring diagram iaf1000 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 6. wiring diagram iwf1000 and irf1000 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 7. wiring diagram iaf650 and iwf650 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6304600003

FIGURE 1. Bin Thermostat Installation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 2. Service Connections 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 3. instructions for converting flaked ice to nugget ice. 4. . . . . . . . . . . . . . . . . . .

FIGURE 4. water level 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 5. wiring diagram iaf1000 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 6. wiring diagram iwf1000 and irf1000 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FIGURE 7. wiring diagram iaf650 and iwf650 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1630460004

INTRODUCTION

We have strived to produce a quality product. The design has been kept simple thus insuring trouble–free

operation.

This manual has been prepared to assist the Installer.

If you encounter a problem which is not covered in this manual, please feel free to write or call. We will be

happy to assist you in any way we can.

When writing, please state the model and serial number of the machine.

Address all correspondence to:

A Product of IMI Cornelius Inc.

One Cornelius Place

Anoka, MN 55303–1592

Phone 800–554–3526

FAX 612–422–3232

PRINTED IN USA

630460004

INSTALLATION INSTRUCTIONS

You will get better service from the ice machine, longer life and greater convenience if you choose its location

with care. Select a location as close as possible to where the highest volume of ice will used.

Here are a few points to consider:

1. Select a location as close as possible to where you are going to use the most ice.

2. Allow a minimum of 6”space at sides and rear of machine for ventilation.

3. A kitchen installation is not desirable as a rule. If a kitchen installation is necessary, locate the machine as

far away from the cooking area as possible. Grease laden air will form a greasy deposit on the condenser.

This reduces the ice making efficiency and necessitates thorough cleaning quite often.

4. If you install the unit in a storeroom, be sure the room is well ventilated.

NOTE: Do not install where the ambient and incoming water temperature will drop below 50°F or rise

to over 100°F.

WARNING: If water pressure exceeds 50 pounds, a water pressure regulator should be

installed in water inlet line between water shut–off valve and strainer. Minimum incoming

water pressure required is 22 pounds.

5. Uncrate the unit by cutting the lower band on the carton and lift the carton off the unit.

6. All “I”series flakers are supplied with bin sealing gasket material. Install the gasket around the bottom

outside edge of the unit by removing the protective paper and pressing in place.

7. Uncrate the ice storage bin and set in place. Connect a drain hose to the bin and level the bin. Install any

required bin adapter(s) at this time.

8. Carefully place the flaker on the bin. Be careful not to damage the flaker gasket material.

9. Remove the flaker front panel. Position the bin thermostat in place and install the hold down screws as

shown in Figure 1.

FIGURE 1. BIN THERMOSTAT INSTALLATION

3630460004

10. The incoming water for the ice making section requires a 3/8”copper tube. Connect this water tube to the

3/8”male flare fitting on the back of the unit. Make all drain connections. Drain tubes cannot be teed

together. See Figure 2 for location of all plumbing connections.

NOTE: For water cooled units, a separate 3/8”copper water line is required to be connected to the flare

fitting on the back of the unit marked condenser water in. A 3/8”flare connected line will have

to be provided from the fitting marked condenser water out to the drain.

A water regulating valve installed at the factory was set to maintain 290 to 310 PSI head pressure for R–404a

units. After 10 minutes of operation check the water temperature at condenser outlet and adjust to 100_F,

105_F if necessary.

11. Connect a drain hose to the condensate drain stub tube.

NOTE: All plumbing must be done in accordance with national and local codes.

22.00

1.25 5.25

5.25

4.50

22.60 27.83

FRONT SIDE ICE DROP

OPENING

ELECTRICAL SERVICE

OPENING(7/8-IN. DIA. HOLE) POTABLE WATER INLET

(3/8-IN. MALE FLARE)

CONDENSER

DRAIN

DUMP VALVE DRAIN HOSE

(9/16-IN. I.D. BY 3/4-IN. O.D.) GEABOX/WTRPN DRAIN HOSE

(9/16-IN. I.D. BY 3/4-IN. O.D.)

BOTTOM VIEW REAR VIEW

IAF 650

ill371

30.00

10.31 5.25

5.25

5.20

22.63 27.83

FRONT SIDE ICE DROP

OPENING

ELECTRICAL SERVICE

OPENING(7/8-IN. DIA. HOLE) POTABLE WATER INLET

(3/8-IN. MALE FLARE)

CONDENSER

DRAIN

DUMP VALVE DRAIN HOSE

(9/16-IN. I.D. BY 3/4-IN. O.D.) GEABOX/WTRPN DRAIN HOSE

(9/16-IN. I.D. BY 3/4-IN. O.D.)

BOTTOM VIEW REAR VIEW

IAF 1000

FIGURE 2. SERVICE CONNECTIONS

12. Bring the electrical supply (20 Amp.) into the unit at the rear of the cabinet and enters the unit control box.

The power and ground connections are completed to the leads in the control box. Strain relief connections

must be made at the cabinet and at the control box.

NOTE: Make sure the proper voltage and number of wires are provided. See serial plate for proper

configuration.

NOTE: All wiring must conform to national and local codes.

630460004

1. Remove the chute from the evaporator assembly

2. Remove item 1, .50-20 x 1.25 bolt; item 2, .50 lockwasher; item 3, ice paddle, and item 4,

flaker cutter head.

3. Install item 5, nugget ice cutter head, and re-install items 1, 2, & 3

4. Re-install chute. (RTV must be used around the base of the chute.)

FIGURE 3. INSTRUCTIONS FOR CONVERTING FLAKED ICE TO NUGGET ICE.

5630460004

WATER AND ICE CIRCUIT

The supply water enters the float chamber through a small orifice. The water level rises and lifts the float arm on

the float valve and seats the valve, shutting off the water supply when the water is at the desired level. As the

water leaves the float chamber, filling the evaporator, the float drops and allows additional water to enter refilling

the float chamber. Thus the water level is maintained automatically as the unit operates.

The water level in the evaporator shell will rise to the same level as the water in the float chamber. The water in

direct contact with the evaporator wall freezes and forms ice on the evaporator wall. As the freezing continues

the ice becomes thicker and exceeds the space between the evaporator wall and the auger. The auger rotating

at 8 RPM then chips off the ice and moves it to the surface of the shell. When the ice reaches the top surface of

the water in the shell it is pushed upward through the extruder opening into the cutter heads. From the cutter

head the ice enters the drop chute and falls into the storage bin. This action continues until the ice comes in

contact with the bin thermostat and the unit is shut down. The unit will remain off until the ice drops from the bin

thermostat through consumption or melting, at which time the unit will restart.

Water Level

Water Inlet Fitting

Water Pressure Switch

Strainer

Gear Motor

Float Valve

Water Dump Valve

Evaporator

FIGURE 4. WATER LEVEL

630460004

“I”SERIES FLAKER CLEANING

AND SANITIZING PROCEDURE

1. To eliminate water from entering the reservoir, block up the float located inside the reservoir, activate the

dump switch to the “ON”position and turn the power switch to “ON”. Allow the evaporator to drain. Turn the

power switch to the “OFF”position.

2. Remove the ice chute by removing the hold-down nuts at the base and the self-clamping bolt at the top. Lift

the chute clear of the evaporator assembly.

3. Return the float to it’s normal position. As the float chamber refills with water and fills the evaporator, add 3

oz. of Calgon Nickel-Safe ice machine cleaner to the float chamber. (Gravity will feed the cleaner to the

evaporator.)

NOTE: Do not remove the auger, extruder head, or other parts from the evaporator assembly.

4. Allow the cleaning solution to stand in the evaporator for 20 - 30 minutes. Block up the float and drain the

evaporator as in step 1.

5. Rinse/flush by carefully filling with warm water (100_F) and drain by following step 1 again. Repeat at least

3 times. During the final rinse/flush cycle, add 1 tablespoon of regular Baking Soda and allow it to stand for

10 - 15 minutes.

6. Drain the evaporator and rinse/flush one more time.

7. Install the ice chute and panels. (RTV must be used around the base of the chute.)

CAUTION: Should sanitizing be required, DO NOT use a mixture of household bleach and

water Chlorine will attack stainless steel. Use only a commercial ice machine sanitizer such

as Calgon Sanitizer for ice machines, following the directions on the container.

NOTE: When cleaning and/or sanitizing is complete return the machine back to an ice making cycle.

Discard the first 30 minutes of ice production. DO NOT allow any ice that has been in contact

with sanitizer to ever be used.

7630460004

WATER TREATMENT

During the freezing process, as water passes over the evaporator, the impurities in the water have a tendency

to be rejected and the plate will freeze only the pure water.

However, the more dissolved solids in the water, the more troublesome the freezing operation will be. Bicarbon-

ates in the water are the most troublesome of the impurities. These impurities will cause scaling on the evapo-

rator, clogging of the float valve mechanism and other parts in the water system. If the concentration of impuri-

ties is high, mushy ice may be the result.

Parts of the Flaker, that are in contact with the water or ice, may corrode if the water is high in acidity. In some

areas, water may have to be treated in order to overcome some of the problems that arise because of the min-

eral content.

IMI Cornelius has water filter/treatment systems available to control impurities found in most water supplies.

Contact your local dealer for more information.

WINTER STORAGE

If the unit is to be stored in an area where the temperature will drop below freezing, it is most important that all

water lines be drained to prevent them from freezing and possible rupture.

To blow out the water line, disconnect the water supply at the cabinet inlet and use air pressure to force the wa-

ter into the water reservoir pan, it can then be removed from the water pan.

WATER COOLED CONDENSER –To remove water from condenser unhook water supply and attach com-

pressed air hose. Start machine. As head pressure reaches the appropriate level opening the water regulating

valve, the compressed air will force the water out. Do not let the machine operate longer than necessary.

CLEANING THE CONDENSER (AIR COOLED)

In order to produce at full capacity, the refrigeration condenser must be kept clean. The frequency of cleaning

will be determined by surrounding condition. A good maintenance plan calls for an inspection at least every two

months.

With a vacuum cleaner, remove all accumulated dust and lint that has adhered to the finned condenser at the

rear of the unit. The use of a stiff bristle brush may be helpful.

CAUTION: CONDENSER COOLING FINS ARE SHARP. USE CARE WHEN CLEANING.

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