Cornelius UC 701 SERIES, UCR701-A, UCR701-W Installation And Service Manual

CONTINUOUS FLOW ICEMAKER

UC 701 - SERIES

Installation and Service Manual

Release Date: 2000

Publication Number: 630460150

Revision Date: April 16, 2012

Revision: B

Visit the IMI Cornelius web site at

www.cornelius.com for all your Literature needs.

The products, technical information, and instructions contained in this manual are subject to change without notice.
These instructions are not intended to cover all details or variations of the equipment, nor to provide for every possi­ble contingency in the installation, operation or maintenance of
son(s) working on the equipment have been trained and are skilled in w
and mechanical equipment. It is assumed that appropriate safety precautions are taken and that all local safety and
construction requirements are being met, in addition to the information contained in this manual.

This Product is warranted only as provided in
ject to all of the restrictions and limitations contained in the Commercial Warranty.

Cornelius’ Commercial Warrant applicable to this Product and is sub-

this equipment. This manual assumes that the per-

orking with electrical, plumbing, pneumatic,

Cornelius will not be responsible for any repair, replacement or
from any of the following occurrences, including but not limited to, (1) other than normal and proper use and normal
service conditions with respect to the Product, (2) improper voltage, (3) inadequate wiring, (4) abuse, (5) accident,
(6) alteration, (7) misuse, (8) neglect, (9) unauthorized repair or the failure to utilize suitably qualified and trained per­sons to perform service and/or repair of the Product, (10) improper cleaning, (11) failure to follow installation, oper­ating, cleaning or maintenance instructions, (12) use of
compatible with the Product) which use voids the entire warranty, (13) Product parts in contact with water or the
product dispensed which are adversely impacted by changes in liquid scale or chemical composition.

other service required by or loss or damage resulting

“non-authorized” parts (i.e., parts that are not 100%

Contact Information:

To inquire about current revisions of this and other documentation or for assistance with any Cornelius product con­tact:

www.cornelius.com

800-238-3600

Trademarks and Copyrights:

This document contains proprietary information and it may not be reproduced in any way without permission from
Cornelius.

This document contains the original instructions for the unit described.

IMI CORNELIUS INC

101 Regency

Glendale Heights, IL

Tel: + 1 800-238-3600

Drive

Printed in U.S.A.

TABLE OF CONTENTS

Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Read and Follow ALL Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Safety Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . 1

. 1

Different Types of Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Qualified Service Personnel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shipping And Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting in or on a Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

To the User of this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Claims Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warranty Reference Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Design Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specification Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Freight Damage Claim . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Initial Start up, Checks and Adjustment Instructions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

. . . . . . . . . . . . 6

. . . . . . . . . . . . 6

. . . . . . . . . . . . 7

. . . . . . . 1

. . . . . . . 1

. 1

. . . . . . . 2

. 2

. 2

. . . . . . . 3

. 3

. . . . . . . 3

. . . . . . . 3

. 3

. . . . . . . 3

. . . . . . . 4

. 6

. . . . . . . 6

. . . . . . . 6

Guide to Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Icemaker Cleaning and Sanitizing Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Monthly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Quarterly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Semi-Annually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Water Level Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

How Water Level Control Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

To Replace Water Level Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

To Replace Water Level Safety Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Refrigeration System Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Expansion Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjustment and Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . 9

. . . . . . . 9

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. . . . . . 10

10

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11

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11

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12

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12

Condenser Modulating Valve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Condenser Modulating Valve Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Bin Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Gearmotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Motor Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Start Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

To Replace Gearmotor Assembly . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

. . . . . . 14

. . . . . . 14

. . . . . . 15

. . . . . . 16

Auger and Extruding Head Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Installation and Shaft Seal Replacement (See Figure 9) . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Upper Nut and Bearing Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

To Replace Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overload Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . 18

. . . . . . 18

Compressor Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Capacitor Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Guide to Good Ice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . 19

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. . . . . . 20

. . . . . . 23

Troubleshooting Compressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

18

18

19

UC 701 Series Continuous Flow Icemaker Installation and Service Manual

!

DANGER:

!

WARNING:

CAUTION:

!

!

WARNING:

!

SAFETY INSTRUCTIONS

READ AND FOLLOW ALL SAFETY INSTRUCTIONS

Safety Overview

• Read and follow ALL SAFETY INSTRUCTIONS in this manual and any warning/caution labels on the unit (decals, labels or
laminated cards).

• Read

Recognition

and understand ALL applicable OSHA (Occupational Safety and Health Administration) safety regulations before

operating this unit.

Recognize Safety Alerts

This is the safety alert symbol. When you see it in this manual or on the unit,

be alert to the potential of personal injury or damage to the unit.

DIFFERENT TYPES OF ALERTS

Indicates an immediate hazardous situation which if not avoided WILL result in serious injury, death or equipment
damage.

Indicates a potentially hazardous situation which, if not avoided, COULD result in serious injury, death, or equipment
damage.

Indicates a potentially hazardous situation which, if not avoided, MAY result in minor or moderate injury or equipment
damage.

SAFETY TIPS

• Carefully read and follow all safety messages in this manual and safety signs on the unit.

eep safety signs in good condition and replace missing or damaged items.

• K

arn how to operate the unit and how to use the controls properly.

• Le

• Do not let
infirm persons without supervision. Young children should be supervised to ensure that they do not play with the appliance.

eep your unit in proper working condition and do not allow unauthorized modifications to the unit.

• K

anyone operate the unit without proper training. This appliance is not intended for use by very young children or

QUALIFIED SERVICE PERSONNEL

Only trained and certified electrical, plumbing and refrigeration technicians should service this unit. ALL WIRING
AND PLUMBING MUST CONFORM TO NATIONAL AND LOCAL CODES. FAILURE TO COMPLY COULD
RESULT IN SERIOUS INJURY, DEATH OR EQUIPMENT DAMAGE.

© 2000-2012, IMI Cornelius Inc. - 1 - Publication Number: 630460150

UC 701 Series Continuous Flow Icemaker Installation and Service Manual

!

WARNING:

CAUTION:

!

CAUTION:

!

!

WARNING:

SAFETY PRECAUTIONS

This unit has been specifically designed to provide protection against personal injury. To ensure continued protection
observe the following:

Disconnect power to the unit before servicing following all lock out/tag out procedures established by the user. Verify
all of the power is off to the unit before any work is performed.

Failure to disconnect the power could result in serious injury, death or equipment damage.

Always be sure to keep area around the unit clean and free of clutter. Failure to keep this area clean may result in
injury or equipment damage.

SHIPPING AND STORAGE

Before shipping, storing, or relocating the unit, the unit must be sanitized and all sanitizing solution must be drained
from the system. A freezing ambient environment will cause residual sanitizing solution or water remaining inside the
unit to freeze resulting in damage to internal components.

MOUNTING IN OR ON A COUNTER

When installing the unit in or on a counter top, the counter must be able to support a weight in excess of 205 lbs. to
insure adequate support for the unit. FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY, DEATH OR

EQUIPMENT DAMAGE.

NOTE: Many units incorporate the use of additional equipment such as icemakers. When any
addition equipment is used you must check with the equipment manufacturer to determine the
additional weight the counter will need to support to ensure a safe installation.

Publication Number: 630460150 - 2 - © 2000-2012, IMI Cornelius Inc.

UC 701 Series Continuous Flow Icemaker Installation and Service Manual

GENERAL INFORMATION

TO THE USER OF THIS MANUAL

This manual covers the installation and assembly of the Air--Cooled or Water--Cooled Model UC 701 Icemaker with
the Model UC150 Dispenser. Refer to Table of Contents for page location of detailed information pertaining to
questions that may arise during installation or operation of this equipment.

DESCRIPTION

The UC701 is a chuncklet Icemaker designed to be installed under a counter adjacent to an Ice Dispenser or an Ice
Storage Bin. The Icemaker will deliver ice to either the left or right side. The Icemaker requires a 12--inch by 12-­inch opening at the lower front of the Unit for air intake. A minimum of 1.5 sq. ft. opening must be provided out the
left or right side and the rear of the machine for air exaust.

CLAIMS INSTRUCTIONS

Claims: In the event of shortage, notify the carrier as well as IMI Cornelius immediately. In the event of damage,
notify the carrier. IMI Cornelius is not responsible for damage occurring in transit, but will gladly render assistance
necessary to pursue your claim. Merchandise must be inspected for concealed damage within 15 days of receipt.

WARRANTY REFERENCE INFORMATION

Warranty Registration Date

(to be filled out by customer)

Unit Part Number:
Serial Number:
Install Date:

Local Authorized Service Center:

DESIGN DATA

Table 1. Design Data

Unit Model Number:

UCR700--A Series Continuous--Flow Icemaker (Air--Cooled)

UCR700--W Series Continuous--Flow Ic

Unit Overall Dimensions:

Height 27 inches

Width 13.7 inches

Depth 25.5 inches

Clearances Dimensions Required:

Front Side Service Access (Removable front panel to allow removal of Unit)

Side Opposite Storage Bin for Air Exaust 4 inches

Rear for Air Exaust 4 inches

emaker (Water--Cooled)

25 inches

Weights:

Shipping Weight 184 pounds

© 2000-2012, IMI Cornelius Inc. - 3 - Publication Number: 630460150

UC 701 Series Continuous Flow Icemaker Installation and Service Manual

Table 1. Design Data

(cont’d)

Unit Model Number:

Water Supply--Water inlet fitting is 1/4--inch SAE flare located at the top front of the Unit. The Unit is designed to operate on
water pressure between 10 PSI and 90 PSI.

Drain Overflow Line (Located at rear of the Unit) 3/8--inch Flexible Tubing

Ambient Operating Temperature 40° F to 100° F

Electrical:

Unit Electrical Rating 208/230 VAC, 60 Hz,11.3 Amps,

Single Phase

Recommended Electrical Supply 208/230 VAC, 60 hz, 20 Amps

Dedicated 3--Wire

Grounded Circuit

SPECIFICATION CHART

Models

UCR701--A Air Cooled 208/230 60 1 2 7.7 1.6 2 13 R404A 20

Condensing

t

Uni

VAC HZ PH Wire

Comp.

RLA

Fan

Amps

GRMTR

Amps

Refrigerant Circuit

Fus

Oz. Ty

pe

e

UCR701--W Water Cooled 208/230 60 1 2 7.7 N/A 2 13 R404A 20

Publication Number: 630460150 - 4 - © 2000-2012, IMI Cornelius Inc.

UC 701 Series Continuous Flow Icemaker Installation and Service Manual

© 2000-2012, IMI Cornelius Inc. - 5 - Publication Number: 630460150

Figure 1. Clearance Requirements