
 RF-0644 Flake Ice Machine
Model
  RF-0644
 RF-0644 Flake Ice Machine
Standard Features
•  Up to 688 lbs. (312 kgs) daily flake 
ice production.
• 120 lbs. (54 kgs) ice storage capacity.
• High load capacity bearings for 
enhanced reliability.
• Heavy duty stainless steel cabinet 
resists corrosion.
• Easy access door, slides up & out of the way.
 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 
configuration. 
• 230/50/1 ice machines are factory 
pre-wired with a 6' (180 cm) bare 
lead power cord. 
Total ampacity: 
 Air-cooled: 13.5 amps.
Maximum fuse size: 
Air-cooled: 25 amps.
HACR-type circuit breakers can be 
used in place of fuses
 Model RF-0644
Flake Ice Machine
 Specifi cations
Condenser Heat of 
Rejection (BTU per hour): 
 10,250 (average)
Compressor:
Nominal rating: 1 HP
Refrigerant: 
R-404A
Operating Limits:
•  Ambient Temperature 
Range:  
50˚-110˚F (10˚-43˚C)
• Water Temperature 
Range: 
37˚-90˚F (3˚-32˚C)
• Water Pressure Ice Maker 
Water In: 
Min. 14 psi (96.5 kPA) 
Max. 80 psi (551.6 kPA)
Warranty
•  3-year Parts
• 2-year Labor
• Compressor parts for 5 years and labor 
for 2 years.
Standard Equipment
Ice Scoop, 6" Bin Legs, Alternate Low Profile 
Legs Standard Legs Adjustable from 4-1/2" to 
6" Low Profile Non-Adjustable 1/4"
Ice Shape
 Flake ice is small 
hard bits of ice 
ideally suited 
for presentation 
applications.
Ice shown actual size
UL STD 563 
CAN/CSA-C22.2 No. 120
SANITATION
2110 South 26th Street
PO Box 1720
Manitowoc, WI 54221-1720 USA
Tel: 1.920.682.0161
Fax: 1.920.683.7589
www.manitowocice.com
 

RF-0644 Flake Ice Machine
RF-0644
Electrical 
A
Entrance
B
3/8" (0.95 cm) 
N.P.T. Ice Making 
Water Inlet
1/2" (1.27 cm) 
C
N.P.T. Ice Making 
Water Outlet
Installation Note  
Minimum installation clearance: 
Sides: 2" (5.1 cm), back: 5" (12.70 cm).
29.17"
(74.10 cm)
C
Ice Making and Bin in One
26.69"
(67.80 cm)
  RF-0644 
Height 39.96" 
  101.50 cm
A
B
39.96"
(101.50 cm)
6.00"
(15.24 cm)
Width 29.17" 
  74.10 cm
Depth 26.69" 
  67.80 cm
Bin  120 lbs. 
Storage  54 kgs
Height includes adjustable bin legs 4.50" to 6.00", 
11.43 cm to 15.24 cm) set at 6.00" (15.24 cm).
Air Flow Overhead View
Model
RF-0644A Flake
Air-cooled 
Ice Machine
“A” following model number indicates “Air” condensing unit. 
Ice 
Shape
Ice Production 24 Hours
70°Air/50°F Water 90°Air/70°F Water
688 lbs. 510 lbs. 
312 kgs 231 kgs 45.4 L 54 kgs
Power kWh/100 lbs 
@ 90°Air/70°F
5.13
Air in front, 
air out back, 
no side vents.
Potable Water Usage
(100 lbs./45.4 kgs of Ice)
12 gal. 120 lbs.
Bin Storage
Capacity
4780A ©2011 Manitowoc 4/11  Continuing product improvement may necessitate change of specifications without notice. 
2110 South 26th Street
PO Box 1720
Manitowoc, WI 54221-1720 USA
Tel: 1.920.682.0161
Fax: 1.920.683.7589
www.manitowocice.com