Vollrath U444 Water Cooled User Manual
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1
SECTION 1
INTRODUCTION
1.1 DESCRIPTION
The Stoelting U421 and U444 floor model freezers are pres-
sure fed. The freezers are equipped with fully automatic
controls to provide a uniform product. The U421 freezer is
designed to operate with almost any type of commercial
soft serve. The U444 freezer is designed to dispense soft
Dimensions
width
height
depth
Weight
Electrical
left
right
left
right
left
right
left
right
minimum circuit
ampacity
31A
31A
21A
21A
36A
31A
26A
21A
maximum overcurrent
protection device
45A
45A
30A
30A
50A
45A
35A
30A
International Option
Compressor
Drive Motor
Cooling
Hopper Volume
Freezing Cylinder
Volume
Production
Capacity
48'' (121,9 cm)
908 lbs (411,8 kg)
3 PH
U421/U431/U444 Water Cooled
760 lbs (344,7 kg)
1 PH
78'' (198,1 cm)
Freezer
26-3/4'' (67,9 cm)
U421/U431/U444 Air Cooled
Soft Serve - 18 GPH (68,14 liters)
Shake - 27 GPH (102,21 liters)
Freezer
26-3/4'' (67,9 cm)
with crate
34'' (86,4 cm)
65-3/4'' (167,0 cm)
39-3/4'' (101,0 cm)
Water cooled units require 1/2" N.P.T.
water and drain fittings.
Air cooled units require 3" (7,6 cm) air
space on right, 10" (25,4 cm) above.
Two - 8 gallon (30,28 liters)
Two - 1.33 gallon (5.32 quart), 5,4 liters
67-3/4'' (172,1 cm)
39-3/4'' (101,0 cm)
785 lbs (356,0 kg)
1 PH
with crate
34'' (86,4 cm)
78'' (198,1 cm)
48'' (121,9 cm)
935 lbs (424,1 kg)
3 PH
Two - 18,000 Btu/hr
Two - 2 hp
1 Phase, 220-240 VAC, 50Hz or
3 Phase, 380-415 VAC, 50Hz
serve product from the left side and shake product from
the right side.
This manual is designed to assist qualified personnel and
operators in the installation, operation and maintenance
of the Stoelting Model U421 and U444 pressure freezer.
1.2 SPECIFICATIONS
Figure 1a. Model U421 Series Freezer
Soft Serve
Figure 1b. Model U444 Series Freezer
Shake
Soft Serve