Scotsman CU50PA1A User Manual

Installation and
User's Manual for
Cube Ice Machine

Model CU50

CU50
Installation and User's Manual

Introduction:

This ice machine is the result of Scotsman’s
decades of experience as an industry leader in the
design and manufacture of both commercial and
residential ice machines.

This manual includes the information needed to
install, start up and maintain the ice machine. Note
any Caution or Warning indicators, as they provide
notice of potential hazards. Keep this manual for
future reference.

Table of Contents

Specifications .......................................... Page 2

Cabinet Layout ......................................... Page 3

Air flow & Control Panel ..................................... Page 4

Water Quality .......................................... Page 5

Door swing change ....................................... Page 6

Notes for the Installer ...................................... Page 7

Installation: Water & Drain ................................... Page 8

Gravity Drain .......................................... Page 9

Electrical ............................................ Page 10

Start Up ............................................. Page 11

Use ............................................... Page 12

How to clean the condenser and winterize. ........................... Page 13

Clean and Sanitize Ice Making System ............................. Page 14

What to do before calling for service .............................. Page 15

Outdoor Use Notice:

Keep from freezing. Severe damage will occur to the unit if left in or operated in temperatures beyond
the limits listed in this manual. That damage is NOT covered by warranty.

Keep dry

Provide Shade
ultraviolet radiation from the sun can potentially damage the unit's plastic components.

Water Supply
should be rated for potable water and include UV protection. Copper tubing is recommended.

Back Flow Prevention

. Do not locate in low lying areas where puddles will accumulate.

: Heat gain from the sun will reduce the unit's ability to make and store ice, and

: Avoid a long run of hose or tubing exposed to the sun. Plastic water supply tubing

: The unit includes back flow prevention, no additional check valve is required.

Drainage

Operation
below 65 degrees F.

: Do Not drain into swimming pool or onto grounds.

: It is normal for the ice level in the storage bin to be low when unit is used in temperatures

March 2010

Page 1

Specifications

CU50

Installation and User's Manual

This ice machine is designed to be used indoors, in
a controlled environment, and under limited
conditions (see page 1), outdoors. It can be used in
a wide variety of environmental conditions, but
there are limits. Use outside of the listed limitations
is misuse and will void the warranty.

Air temperature limits:

The ice machine will operate adequately within the
limits, but functions best in temperatures between
70 and 80 degrees F.

Minimum – 50 degrees F. (10oC)

•

Maximum – 100 degrees F. (38oC)

•

Water temperature limits:

Minimum – 40 degrees F. (4.5oC)

•

Maximum – 100 degrees F. (38oC)

•

Water pressure limits:

Minimum – 20 psi (1.4 bar)

•

•

Maximum – 80 psi (5.5 bar)

Because the ice machine is making a food product,
the water supply to the ice machine must be
potable, or fit for human consumption.

Other:

Indoor use and kickplate
stainless steel kickplate cover from the unit when
installed indoors. Leave the plastic kickplate on the
unit.

: You may remove the

Electrical voltage limits:

Minimum - 104 volts

•

Maximum – 126 volts

•

Models

CU50GA-1A - gravity drain

•

CU50PA-1A - pump drain

•

Options:

Kickplate Extension
levelers will be extended enough to become visible.
A kit to extend the kickplate over the legs is KKPF.

Cabinet Stability
installations it may be prudent to add a bracket that
secures the back of the cabinet to a wall. That kit
number is KATB.

Drain Conversion
converted to a drain pump model by installing a
drain pump kit. The drain pump kit consists of a
drain pump, wiring harness and associated tubing.
The part number is A39462-021.

Warranty Information

Warranty information is supplied separately from
this manual. Refer to it for coverage. In general, the
warranty covers defects in materials or
workmanship and does not cover corrections of
installation errors or maintenance.

Service

: In some situations the leg

: In some free standing

: A gravity drain model can be

Note:The stainless steel kickplate cover must
remain on the unit when the unit is installed
outdoors.

Cabinet Dimensions

Width Depth, with door panel, handle adds 1 5/8" Height

14 7/8" 22 3/4" 33 3/8" to 34 3/8"

August 2014

This is a commercial product. If service is needed
on a unit in a residence, use a commercial service
company. Locate one at www.scotsman-ice.com.

Page 2

CU50

1.00

LEG

ADJUSTMENT

[25.40]

14.88

377.95

AIR OUT

AIR IN

3.88

98.55

17.45

443.23

FLOOR DRAIN
ACCESS HOLE

34.38

873.25

3.85

97.79

29.66

753.24

22.29

566.17

23.89

606.68

1.60

40.51

3.20

81.28

3.27

82.99

2.44

62.04

1.57

39.75

7.44

188.98

3.83

97.16

115 V

POWER CORD

POTABLE WATER INLET
1/4" COMPRESSION FITTING

DRAIN
FLEXIBLE TUBING
3/8 I.D. PUMP MODEL (INCLUDED)
5/8 I.D. GRAVITY MODEL (NOT INCLUDED)

Installation and User's Manual

Cabinet Layout

March 2010

Page 3

Air flow & Control Panel

CU50

Installation and User's Manual

The machine takes in room temperature air at the
lower right front and forces warm air out the lower
left front. Restricting the airflow will adversely affect
the ability of the ice machine to make ice.

Scotsman Ice Systems are designed and
manufactured with the highest regard for safety
and performance. They meet or exceed the
standards of agencies like U.L.

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 parts and/or other components not
specifically approved by Scotsman.

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

Specifications and designs are subject to change
without notice.

Air Out

Ice Making

Indicator Light

On - Off

Button

Air In

Clean Unit

Indicator Light

Control Panel

March 2010

Time To

Page 4

Location of Dataplate

Check Water
Indicator Light

Clean - Reset
Button