Vollrath STOELTING U421-I2A, Service Manual, Page: 8 / 54

Service Manual #513721 2 U421-I2A & U431-I2A Model Machines
1.2 SPECIFICATIONS
Air Cooled
U421-I2A & U431-I2A
Air Cooled Remote
U421-I2A & U431-I2A
Water Cooled
U421-I2A & U431-I2A
Dimensions
Machine with crate Machine with crate Machine with crate
width
26-3/4’’
(67,9 cm)
34’’
(86,4 cm)
26-3/4’’
(67,9 cm)
34’’
(86,4 cm)
26-3/4’’
(67,9 cm)
34’’
(86,4 cm)
height
68-3/4’’
(174,6 cm)
78’’
(198,1 cm)
67-3/4’’
(172,1 cm)
78’’
(198,1 cm)
67-1/2’’
(171,5 cm)
78’’
(198,1 cm)
depth
39-1/2’’
(100,3 cm)
48’’
(121,9 cm)
39-3/4’’
(101,0 cm)
48’’
(121,9 cm)
39-1/2’’
(100,3 cm)
48’’
(121,9 cm)
Weight
785 lbs
(356,0 kg)
935 lbs
(424,1 kg)
760 lbs
(344,7 kg)
908 lbs
(411,8 kg)
760 lbs
(344,7 kg)
908 lbs
(411,8 kg)
Electrical 1 PH 3 PH 1 PH 3 PH 1 PH 3 PH
circuit ampacity
(per barrel)
32A 20A
36A Left /
31A Right
20A 32A 20A
overcurrent protection
device (per barrel)
50A 30A
50A Left /
45A Right
30A 50A 30A
The machine requires one dedicated electrical circuit per barrel.
Compressor
Two - 19,000 Btu/hr
Cabinet - 1,300 Btu/hr Compressor (R-134a)
Drive Motor
Two - 2 hp
Cooling
Air cooled units require 6”
(15,2 cm) air space on all
sides and open at the top.
Remote air cooled
requires two remote
condensers and two
precharged line sets.
Water cooled units require
1/2” N.P.T. water and
drain fi ttings. Maximum
water pressure of 130
psi. Minimum water fl ow
rate of 3 GPM per barrel.
Ideal EWT of 50°-70°F.
The machine requires 6”
(15,2 cm) air space on
all sides for the cabinet
refrigeration system.
Mix Storage
Up to six 5-gallon bags
Freezing Cylinder
Volume
Two - 1.33 gallon (5,03 liters)