Scotsman MDT5N Installation guide

Ice Maker - Dispensers
Technical Training

Presentation Topics
•Topic 1: Nugget Ice Maker Dispensers
– MDT5N, MDT6N
•Topic 2: Flaked Ice Maker Dispensers
– MDT3F, MDT4F
•Topic 3: Cubelet Ice Maker Dispenser
–MDT2

Model Number Scheme
•Example: MDT5N40A-1J
– MD = ice Maker Dispenser
– T = Touch Free
– 5 = the approximate ice making capacity, in hundreds of
pounds
– N = ice type; F for Flaked or N for Nugget or C for Cubelet
– 40 = the calculated storage capacity

MDT5N25
•MDT Nugget Dispenser
– MDT5N40 taller

MDT6N90
•Large Capacity Touch
Free
•Best for filling pitchers

MDT5 and MDT6
•There are two dispensing
stations
–Ice
– Water

MDT5
•Dispensing
– Place a container
in front of the
sensor & under the
spout to dispense

Touch Free
•What is Touch-Free?
– An "infrared triangulation" position
control
• Infrared beam goes out
• No reflection, no action
• Reflected infrared light triggers
sensors & dispensing

MDT5
•Behind the upper
front panel
– Control box
– Reservoir
– Ice storage bin

MDT5 Control Box
•Contactor
•Compressor relay
•Control Board
– Operates all loads
– Contains transformer
– Operates the Touch-Free
system

Touch Free Control Board
•Indicator Lights
– Power
–BinEmpty
– Off Timer
–NoWater

Touch Free Control Board
•Power Light
– On whenever there is
power to the board
•Bin Empty Light
– On whenever the bin is
NOT FULL

Touch Free Control
•OFF Timer Light
– ON when unit shuts
off
– Unit will not restart
for 6 minutes

Touch Free Control
•No Water Light
– ON when the water
sensor is dry

Touch Free
•Water Level Sensor
– Thermistor Type

MDT
•The bin level control is an electric eye
– Infrared Sender & Receiver
• Light blocked by ice signals control to shut down
• Compressor stops
– Auger motor continues to operate for 2 min.
– After shut down, restart will be delayed for:
• 6 minutes

MDT5
Mounting Socket
Storage Bin Cover Infrared Sensor

MDT5
•MDT5
– The photo-
electric
eyes are in
the bin
cover

Under the Cover
•Inside the ice storage bin
– Ice delivery chute
– Ice dispensing vane
– Bin bottom

MDT, TDE & NDE
Inner Bin Bottom
Dispensing
Vane
Looking down
at the inside of
the bin.