Scotsman UN324W1, UF424W1 User Manual
Installation and User Manual for
Model UF424 and UN324
UF424 / UN324 Installation and User Manual
To the owner or user: the service manual is intended
to provide you and the maintenance or service
technician with the information needed to install,
startup, clean, maintain and repair this product.
Observe any caution or warning notices. They are
important and provide notice of potential hazards.
Keep this manual for future reference.
If additional technical information is needed, go to
Scotsman’s website, www.scotsman-ice.com to
download a service manual.
Note: This is a commercial product. If service is
needed on a unit in a residence, warranty may be
limited. Use a commercial service company. Locate
one from the Scotsman website: www.Scotsman-ice.
com
Table of Contents
Specications ....................................................................................................................3
Cabinet Drawing ................................................................................................................4
Placement..........................................................................................................................5
Installation: Water and Drain ............................................................................................6
Initial Start up.....................................................................................................................7
Maintenance and Cleaning ................................................................................................8
Basic Troubleshooting .................................................................................................... 10
July 2018
2
UF424 / UN324 Installation and User Manual
Specications
This ice maker is designed to be installed indoors, in a controlled environment. Although
it can operate in a wide range of air and water
temperatures, it will provide the best performance
if not subject to extremes.
Air Temperature Limitations
o
• Maximum: 100
F or 38o C
• Minimum: 50o F or 10o C
Water Temperature Limitations
• Maximum: 100o F or 38o C
• Minimum: 40o F or 4.4o C
Water Pressure, Potable
• Maximum: 80 PSI or 5.5 BAR
• Minimum: 20 PSI or 1.3 BAR
Water Pressure, Condenser inlet
• Maximum: 145 PSI or 10 BAR
• Minimum: 20 PSI or 1.3 BAR; can be as low
as 5 PSI or 0.3 BAR if clean and supplied
with 45o F water.
Condenser GPM
• 70oF or 21oC water: 0.25 GPM or 0.95 LPM
• 50o F or 10oC water: 0.15 GPM or 0.57 LPM
Voltage
115 volt models
• Maximum 126 VAC
• Minimum 104 VAC
230 volt models
• Maximum 207 VAC
• Minimum 253 VAC
Water Conductivity:
Minimum:10 micro Siemens/CM
RO water may be supplied to the potable water
system, but if it has less than the above conductivity, the water level sensor will not detect water
and the unit will not make ice.
Deionized water is not recommended due to
it’s potential corrosive nature and any damage
caused by DI water will not be covered by warranty.
Operating the machine outside of any of the
above limitations is considered abuse and any
resulting damage is not covered by warranty and
could cause a complete loss of warranty coverage.
Warranty Information
The warranty statement for this product is provided separately from this manual. Refer to it for
applicable coverage. In general warranty covers
defects in material or workmanship. It does not
cover maintenance, corrections to installations,
or situations when the machine is operated in
circumstances that exceed the limitations printed
above.
Product Information:
The UF424 produces aked ice and the UN324
produces nugget ice. The ice is stored in an
insulated bin with ice level automatically maintained by the control system.
• A back ow preventer may be required by
local plumbing codes.
• Has a 5.5 ft. power cord with NEMA 5-15P
plug.
• Air cooled models ows in the right front and
out the left front and include a cleanable air
lter.
• Legs are provided, thread size is 5/8-11.
• Machine may be installed without legs.
• For available options and kits, see sales
literature.
Electrical
Model
(Volts/Hz/Phase)
UF424A-1A / UN324A-1A 115/60/1 Air 15A
UF424W-1A / UN324W-1A 115/60/1 Water 15A
Condenser
Maximum Fuse Size
October 2017
3
or Breaker
(Amps)
UF424 / UN324 Installation and User Manual
Cabinet Drawing
Scotsman Ice Systems are designed and manufactured with the highest regard for safety and perfor-
mance. They meet or exceed UL563, veried by Intertek, ETL.
August 2017
4
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