
SN12 • SN20
Countertop Nugget Ice Maker & Dispenser
Models
SN12 • SN20 Countertop Nugget Ice Maker & Dispenser
SN-12A
SN20
 SN-12AT
 SN-20A
SN12
 SN-20AT
•  Up to 325 lbs. (147 kgs.) 
daily ice production.
•  Only 16.25” (41.28 cm) 
wide by 24.00” (61.00 cm) 
deep by 35.00” (89.00 cm) 
tall without legs; legs sold 
separately.
•  Nugget ice provides a 
softer, chewable texture 
while still providing 
maximum cooling eect.
•  Trouble-free ice dispensing. 
Simply place cup under 
chute and activate.
•  New and improved 
components along with 
1/3rd less noise.
•  Two ice activation options: 
activation arm or touchless.
•  Dispense opening (10.50”/ 
26.67 cm) from grate to 
chute maximizes clearance for tall 
containers.
•  Larger drain pan minimizes 
ice spillage.
•  Blue LED light provides dispense 
visibility for rooms with limited 
ambient light.
•  Water and drain connections in 
back or bottom of unit for ush 
mounting.
•  Manitowoc’s patented cleaning 
technology manages the cleaning 
process from start to nish.
Warranty
•  2-year parts and labor coverage 
on all components.
•  Additional 3-year (5-year total) 
parts coverage on ice machine 
compressor.
Specifications
BTU Per Hour: 2,300 (average)
Compressor: Nominal rating: 
1/3 HP
Refrigerant: R404A
2110 South 26th Street
PO Box 1720
Manitowoc, WI 54221-1720 USA
Three dispense settings are 
standard: ice only, water 
only, or ice and water.
Operating Limits: 
• Ambient Temperature Range:  
45˚-110˚F (7.2˚-43.3˚C)
• Water Temperature Range: 
45˚-90˚F (7.2˚-32˚C)
• Water Pressure Ice Maker 
Water In: 
Min. 20 psi (137.9 kPA) 
Max. 80 psi (551.1 kPA)
Tel: 1.920.682.0161
Fax: 1.920.683.7589
Ice Machine Electric
115/60/1. (230/50/1 also available.) 115/60/1 ice machines are 
factory pre-wired with a 6’ (180 cm) power cord and NEMA 
5-15P-plug conguration. 230/50/1 ice machines are factory 
pre-wired with a 6’ (180 cm) power cord only, no plug is supplied.
Total ampacity: Air-cooled: 10.3 amps.
Maximum fuse size: Air-cooled: 15 amps.
HACR-type circuit breakers can be used in place of fuses.
Ice Shape
Nugget ice is approximately  
3/10” x 3/10” x 1/2” (8 x 8 x 12 mm)  
with a softer, chewable texture  
while still providing maximum 
cooling eect.
www.manitowoci ce.com

SN12 • SN20 Countertop Nugget Ice Maker & Dispenser
Ice Production 24 Hours
70°Air/50°F Water 
Model 
SN-12A nugget 325 148 253 115 7.11
SN-20A nugget 325 148 253 115 7.11
“A” following model number indicates “Air” condensing unit. 
Ice
Shape
21°Air/10°C Water
lbs. kgs lbs. kgs
Water usage/100 lbs./45.4 kgs. of Ice
Potable Water: 12 gallons, 45.4 liters
90°Air/70°F Water 
32°Air/21°C Water
Power kWh/ 
100 lbs.
@ 90°/70°F
32°/21°C
Space-Saving Designs  
    SN-12  SN-20
Height*
  35.00”  42.00”
    89.00 cm  107.00 cm 
Width
  16.25”  16.25”
    41.30 cm  41.30 cm 
Depth
  24.00”  24.00”
    61.00 cm  61.00 cm
Air Flow 
Bin
  12 lbs.  20 lbs.
Storage
  5.5 kgs.  9.1 kgs.
*Height without legs. Legs sold separately: K-00345.
Front Access 
Front 
View 
SN-12
35.00"
(89.00 cm)
12.50"
(31.80 cm)
C
B
24.00"
(61.00 cm)
A
Electrical Entrance 
3/4" (1.91 cm) Bin Drain
B 
C
3/8" (0.95 cm) F.P.T. Ice Making Water Inlet
MiniMuM installation clearance – 
Top: 24” (60.96 cm); Sides: 8” (20.32 cm); Back: 5” (12.7 cm); 
Bottom: 0" (0 cm).
A
16.25"
(41.30 cm)
SN-20
Air in left, 
air out top.
Initiate ice, off and clean 
operations with simple 
upfront selector switch. No 
need to remove front panel.
Lever-activated or Touchless Dispensing* 
*Select at time of purchase.
K-00377 can be used to 
convert SN-12A from 
lever-activated to 
touchless sensing.
2110 South 26th Street
PO Box 1720
Manitowoc, WI 54221-1720 USA
SN-12ATSN-12A
Tel: 1.920.682.0161
Fax: 1.920.683.7589
www.manitowoci ce.com
42.00" 
(107.00 cm)
12.50" 
(31.80 cm) 
C 
B 
24.00" 
(61.00 cm) 
A 
Electrical Entrance 
3/4" (1.91 cm) Bin Drain 
B 
C 
3/8" (0.95 cm) F.P.T. Ice Making Water Inlet 
MiniMuM installation clearance – 
Top: 24” (60.96 cm); Sides: 8” (20.32 cm); Back: 5” (12.7 cm) 
Bottom: 0” (0 cm).
A 
16.25" 
(41.30 cm) 
3407G  ©2010 Ma nitowoc 5 /10 Con tinuing product improvement may ne cessitate change of speci fications without notice.