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Phone: (800) 264-7827 - FAX: (800) 264-6666 - www.star-mfg.com
Star Manufacturing International, Inc. - 10 Sunnen Drive - P.O. Box 430129 - St. Louis, MO 63143-3800
S t a r M a n u f a c t u r i n g I n t e r n a t i o n a l , I n c .
Dimensions Product Opening Cooking Surface Cooking Chamber Approximate Weight
Width Depth Height Width Height Height Length Installed Shipping
Model No. Inches Inches Inches Inches Inches Inches Inches Ibs Ibs
(cm) (cm) (cm) (cm) (cm) (cm) (cm) (kg) (kg)
UM1833A 37.2 30.4 20 18.9 4.0 10.7 24.1 180 210
(76.2) (77.2) (50.8) (48.1) (10.2) (27.2) (61.2) (81.1) (462.0)
UM1850A 50 30.4 20 18.9 4.0 10.7 24.1 195 225
(127.0) (77.2) (50.8) (48.1) (10.2) (27.2) (61.2) (88.6) (495.0)
UM1850AT 50 30.4 20 18.9 4.0 10.7 24.1 195 225
(127.0) (77.2) (50.8) (48.1) (10.2) (27.2) (61.2) (88.6) (495.0)
Specifications
Electrical Data
(77.2)
Typical Specifications
Model No. Voltage Watts Amps NEMA Plug
UM1833A 208 6400 32 6-50P
240 6400 29
UM1850A 208 6400 32 6-50P
240 6400 29
UM1850AT 208 6400 32 6-50P
240 6400 29
Holman Ultra-Max electric oven is constructed of stainless and aluminized steel. Oven is designed with stainless steel front panel and stainless
steel clamps for access to cooking chamber, cleaning and changing of nozzle plates. Unit is designed with state-of-the-art electronic controls set
time, temperature, belt direction, Fahrenheit/Celsius conversion, manager lock-out, and diagnostic feature. Large LED display provides easy-to-
read panel for time, temperature and programming. Baking chamber is 24" long with 4" product opening. The stainless steel conveyor belt is 18"
wide and 33" long with 9" exit shelf or 50" long with conveyor end stop. Conveyor belt is driven with a heavy-duty brushless DC reversible motor.
Powerful steel centrifugal fan and motor deliver hot air to cooking ducts and motor has an Integrated fan to provide cool air for control area. 6,000
watt metal sheath element is standard. Unit is available in 208 volt and 240 volt models. 50 amp NEMA plug with 6' oil resistant cord is standard.
Stainless steel control box has hinged panel for easy access in single or double configurations. Oven must have a 6" clearance from ends to any
combustible material.Printed in the U.S.A.
10.1
(25.6)
10.6
(26.9)
4.0
(10.1)
36
(91.5)
20
(50.8)
37.2
(94.5)
24.1
(61.2)
22.5
(57.2)
21.5
(54.6)
30.4
(77.2)
HOLMAN ULTRA-MAX
®
COUNTERTOP
ELECTRIC CONVEYOR OVENS
Model UM1833A, UM1850A & UM1850AT
Due to periodic changes in designs, methods, procedures, policies and regulations, the specifications contained in this sheet are subject to change without notice. While Star
Manufacturing exercises good faith efforts to provide information that is accurate, we are not responsible for errors or omissions in information provided or conclusions reached
as a result of using the specifications. By using the information provided, the user assumes all risks in connection with such use.