Scotsman NU-100 Installation And Operating Instructions

Scotsman Ice Systems
Installation and Operating Instructions
NU‐100 / 150 / 220 / 300 Models
Important Information
This equipment must be installed in accordance with all local, state, and national
regulations. This machine must be installed correctly as per these instillation
instructions. This machine must be installed by a qualified Refrigeration or Electrical
technician. A plumber should only be used to make the water connections.
THIS MACHINE IS NOT DESIGNED FOR OUTDOOR USE
LOCATION ‐
This ice machine must be level and situated in a cool dry area with
sufficient air ventilation. The ice machine is NOT to be installed in a cupboard or
with limited or restrictive airflow. The equipment should NOT be located next to
equipment that discharges or radiates hot air on or near the ice machine. NOTE:
Hotter working environments OR water temperatures will reduce the production
capacity of the machine.
Operating Specifications Below
°
Operating air temperatures Min 10 c to Max 40
°
Operating water temperatures Min 5 c to Max 35
Operating water pressure Min 1 bar to Max 5 bar
Machine side clearance Min 150mm
Machine rear clearance Min 100mm
The ice makers location should have a dedicated power point, a dedicated water
supply and a water drainage point withing one meter of the machine. For the ice
maker to operate effectively and efficiently the machine requires sufficient air
ventilation. The machine requires a minimum side clearance of 150mm, a minimum
and a rear clearance of 100mm.
Contact Moffat Service Support On 1300 264 217 For Assistance
Set Up
Unbox and remove the ice machine from the wooden pallet. Open the storage bin
and remove the manuals, ice scoop, water hoses, packaging, and carefully remove
red strapping tape. Fit the adjustable feet to the ice machine base and set the feet to
the minimum height. Ensure all the internal components are fitted correctly and
secured in their final operating positions. water trough, shut off deflector, ice
thickness probe, water distribution tube .
Fit the water supply hose and the water drain hose and clip to their connection points
at the rear of the ice maker. Connect the water supply hose to the water filter outlet,
attach the water drain hose and clip to the floor drain or tundish.
° °
c ( 24 c ideal )
Maneuver the machine into its final position. Ensure the ice machine has required
° °
150mm side clearance and 100mm rear clearance. Ensure the machine is level once
c ( 18 c ideal )
in its final position. Remove the protective plastic from the panels of the machine and
ice storage unit.
Electrical Connections
The electrical connections for this machine must comply with all local, state, and
national regulations. The ice maker requires a dedicated power point. Check the
serial plate to ensure voltage requirements and plug are suitable for the wall socket
and power supply for your local area. All electrical connections and adjustments
must be undertaken by a qualified technician.
12 Point Checklist
1) Is the ice machine level?
2) Is the ambient air temperature between 10c and 40c? (Ideal temp 32c)
3) Is there the required 150mm side clearance and the 100mm rear clearance?
Is there any other equipment discharging hot air near or next to the
machine? (remove equipment discharging heat near the ice machine)
4) Have the water connections been made and is the water pressure between 1
and 5 bars? Has the water pressure been tested?
5) Is the incoming water temperature between 5C and 35C? (Ideal temp 19c)
6) Does the machine have an in‐line water filter fitted?
7) Do the electrical requirements comply and has the electrical connection
been made? DO NOT TURN ON THE MACHINE.
8) Has all the packaging and red tape been removed from inside the ice
machine?
9) Are all the internal components fitted and secured correctly?
10) Has the owner been instructed on the operation and maintenance of the
machine? Has the owner been given the instillation instructions which
include the maintenance schedule details?
11) Has the machine been cleaned and sanitized before starting up?
12) Does the customer have Moffat's service contact details?
Start Up
1) Open the water supply to the ice machine and check for water leaks.
2) Switch the power on at the wall socket. Press the green button / switch on
the front of the ice machine to start.
3) The machine will enter the startup mode for 3 x minutes. Water will drain
out the machine. The water inlet valve will open and will fill the water
trough.
4) After 3 minutes the machine will enter the freeze cycle. The refrigeration
system will run, and the condenser fan will thermostat on and off during the
cycle. The pump will circulate water over the evaporator as the water
freezes. The water level sensors will monitor the water level and add water
when required. After + ‐ 20 to 25 minutes the ice thickness probe will put
the ice machine into a harvest once it senses a full sheet of ice. The harvest
mode will run for + ‐ 60 seconds and will heat the evaporator until the ice
drops into the ice bin.
5) When the ice drops into the ice bin the ice deflector opens and closes. The
PC Board senses the ice drop and puts the machine back into a freeze cycle
to make more ice. When the ice bin is full the ice deflector is left in the open
position, the PC Board senses the open circuit and puts the machine into a
standby mode. When ice is removed from the bin, the ice deflector will
close, and the machine will restart after a three‐minute delay.
6) Inspect the ice in the storage bin after the second drop of ice and if
necessary, adjust the ice thickness float probe as per below diagram.
NOTE: The ice cubes must have a + ‐ 3mm concave dimple in the back of
each cube. The machine makes a slab of ice that breaks up into pieces
when falling into the ice bin, not every ice cube will break up perfectly. If
the ice thickness is set to thick the ice will not break up and if the ice is set
to thin and the ice sheet is not fully formed and may shut the machine
down. The user of the machine will need to break up the ice slab pieces
from time to time with the ice scoop to maximize the capacity of the ice
storage bin.
Ice Thickness Sensor Ice Thickness Diagram
The ice thickness probe can be adjusted for thicker or thinner ice cubes by
screwing the adjusting screw (1) clockwise for thicker ice or for thinner ice
counterclockwise. NOTE: Ensure the ice cubes have a 3mm concave dimple
on the back of the cube. The ice bridge connecting the ice cubes should be
between 2mm and 3mm thick.
(Use a 6mm drill bit to set clearance between probe and evaporator)
Contact Moffat Pty Ltd on 1300 264 217 for Assistance