USER MANUAL
NU100/150/220/300
Part Number 99300403-01 Version: B
NUUndercounterIceMakerUserManual TableofContents
B1
Table of Contents Page
Preface, ice maker model and serial number introduction Page B2
Overview of the ice maker, electrical and plumbing requirements Page B3-B4
Ice maker size Page B5-B7
Installation of the ice maker Page B8
How the ice maker works Page B9
General operation of the ice maker Page B10
Scheduled maintenance Page B11-B12
Troubleshooting table Page B13-B14
Warranty card Page B15
NUUndercounterIceMakerUserManual Preface
B2
Preface
Firstly, thank you for choosing our ice maker,
we sincerely wish you will use our ice maker for
a long time.
Our ice makers are designed by experts in the
industry following certain standards and
manufactured in a fully controlled process. We
believe that our innovative and high quality
products will not cause you any harm as long
as you install and use our machine according to
the manual correctly.
This manual will guide you on how to use our
ice maker correctly, how to avoid the machine
breakdowns and how to achieve its best
performance. Please do not reach into the
compressor or evaporator area with your hand
so you can avoid touching control and safety
devices.
Please read the manual thoroughly, especial
the warnings and notices, the machine model
and serial number need to be provided when
you contact any service provider.
Delivery
Please check the following items when the unit
is delivered:
Whether the packing and exterior of the ice
maker is intact.
Whether the ice maker model is the same
as your order.
Whether the components are in good
condition and whether the accessories and
documents in the storage bin are complete.
Whether the interior of the ice maker is
undamaged.
If there is serious damage or it lacks parts,
please inform your carrier and dealer
immediately. What is stated in the manual is
general; there could be a slight difference
between your unit and the machine supplied.
The copyright for the contents of the manual
belongs to the manufacturer; please don’t
duplicate the manual without the
manufacturer’s written approval. Scotsman will
improve the product continuously and reserves
the right to change the product without further
notice.
Transportation
Please use a forklift with a fork thickness of
less than 40mm to handle the ice maker.
Warranty
Scotsman Ice Systems (Shanghai) Co., Ltd. is
responsible for the warranty of the ice maker;
please refer to the warranty card for more
details.
If the machine is in need of replacement
components or parts, we require you to use
Scotsman Shanghai company exclusive parts,
otherwise the warranty becomes invalid.
Ice maker model and serial number
Ice maker model
Example：NU150HA2
Serial number
The serial number includes 12 digits; the first
two letters are the series name, the next two
numbers refer to the year the machine was
manufactured, then the two digit month codes,
the final six digits are the serial identifier.
NU 14 06
000001
Serial identifier
Month
Year
Series name
NU 15 0 H
A
2
Design change number
A=Air Cooled
W=Water Cooled
H=Half Cube; F=Full Cube
Power
0 = 220V 50Hz;
24h Ice Capacity
(21
℃
Air/10 ℃ Water)
*
=
Series Name
NUUndercounterIceMakerUserManual Summary
B3
Summary
The NU100/150/220/300 commercial ice maker
in this manual is electronically controlled; it is
equipped with an advanced and unique
electronic control system, which can control the
operation of the ice maker automatically. When
the storage bin is full of ice, the ice maker will
stop working automatically and restart working
again when the bin is no longer full.
Model
Item
NU100 NU150 NU220 NU300
Capacity
(24 hours) ①
[kg]
45 68 100 132
Power
[V/Hz/
ph]
220/50/
1
220/50/1
220/50/1 220/50/1
(Size)
(width) mm
600 600 650 650
(depth) mm
610 610 690 690
(height with short foot)
(height with high foot)
mm
770
875
770
875
870
976
898
1004
Power cord [Ø mm2]
1.5 1.5 1.5 1.5
Power input # [W]
900 1000 1200 1500
Power consumption ①
[KWh/100lbs]
8 5.6 5.9 6.5
Power consumption ②
[KWh/100lbs]
12.6 8.5 8.5 9
Water consumption ①
[Gal/100lbs]
32 20 19 20
Water consumption ②
[Gal/100lbs]
32 20 19 20
Net weight [kg]
50 50 62 65
Cooling type
Air Air
Air Air
Refrigerant
R404a R404a R404a R404a
Charge
320 g 320 g 360 g 420g
# Maximum working condition
① At 21℃ (70℉) ambient temperature/10℃
(50℉) water temperature
② At 32℃ (90℉) ambient temperature/21℃
(70℉) water temperature
Notes: The manufacture reserves the right to
change the model or specifications of the
product without further notice.
NUUndercounterIceMakerUserManual Summary
B4
Safety instruction
In order to ensure the machine works normally
for a long time, before installation, please read
the manual carefully and follow it strictly. The
manufacturer is not responsible for any
damage or bodily injury due to ignoring the
safety instructions. If there is any doubt, please
contact the local dealer.
Installation requirements
Please consider the following items in
determining the installation location:
Power source: the power switch for the ice
maker should be easily reachable, be sure
that the power supply is reliably grounded.
Water supply: the water supply switch
should be easily reachable.
Water drain: be sure that the drain pipe
extending from the unit has a minimum 3
cm drop per meter.
In order to reach its high performance and
ensure durability, please pay attention to the
following items:
The water temperature should be between
5℃ to 35℃.
The water pressure should be between 1
bar to 5 bar.
The power supply should be accordance
with the requirements on the nameplate.
The fuse of the power supply switch should
be a bipolar fuse. The gap between the
bipolar should be more than 3mm.
The working ambient temperature should
be between 10℃ to 40℃.
For the required ventilation, the distance
between the machine and the wall on the
sides and back should be more than 150
mm.
Be sure the machine is leveled correctly.
Don’t hang curtains or pile goods around
the machine to avoid overheating caused
by bad ventilation, be sure there is no heat
source (such as a stove, oven, etc.) around
the machine and the working environment
of the ice maker should not be overly humid。
Note：
In order to avoid any hygiene and health safety issues,
the water for making ice should be potable. If needed,
please install a water filter or water processor.
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