Hoshizaki DCM-751BAH Manual de Usario
Hoshizaki
Máquina de hielo
DCM-751BAH
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Models
DCM-300BAH(-OS)
DCM-500B_H(-OS)
DCM-751BWH(-OS)
DCM-752BAH(-OS)
Cubelet Icemaker/Dispenser
Instruction Manual
Issued: 3-25-2020
hoshizakiamerica.com

2
WARNING
Only qualied service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certied Service
Representative, visit www.hoshizaki.com. No installation or service should be
undertaken until the technician has thoroughly read this Instruction Manual.
Likewise, the owner/manager should not proceed to operate the appliance until the
installer has instructed them on its proper operation. Failure to install, operate, and
maintain the appliance in accordance with this manual will adversely affect safety,
performance, component life, and warranty coverage and may result in costly water
damage. Proper installation is the responsibility of the installer. Product failure or
property damage due to improper installation is not covered under warranty.
Hoshizaki provides this manual primarily to assist qualied service technicians in the
installation, maintenance, and service of the appliance.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, send an e-mail message, or write to the Hoshizaki Technical
Support Department for assistance.
Phone: 1-800-233-1940; (770) 487-2331
Fax: 1-800-843-1056; (770) 487-3360
E-mail: techsupport@hoshizaki.com
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
NOTE: To expedite assistance, all correspondence/communication MUST include the
following information:
• Model Number
• Serial Number
• Complete and detailed explanation of the problem.

3
CONTENTS
Important Safety Information 4 .................................................................................................
I. Specications 6 ......................................................................................................................
A. Electrical and Refrigerant Data 6 .....................................................................................
1. DCM-300BAH(-OS) 6 ..................................................................................................
2. DCM-500B_H(-OS) 6 .................................................................................................
3. DCM-751BWH(-OS) 7 ................................................................................................
4. DCM-752BAH(-OS) 7 .................................................................................................
B. Dimensions/Connections 8 ..............................................................................................
1. Air-Cooled Models (DCM-300BAH(-OS), DCM-500BAH(-OS)) 8 ................................
2. Air-Cooled Models (DCM-752BAH(-OS)) 9 .................................................................
3. Water-Cooled Models (DCM-500BWH(-OS)) ......................................................... 10
4. Water-Cooled Models (DCM-751BWH(-OS)) ..........................................................11
II. Installation and Operating Instructions ............................................................................ 12
A. Location ...................................................................................................................... 12
B. Checks Before Installation ........................................................................................... 13
C. How to Remove Panels ............................................................................................... 14
D. Setup ........................................................................................................................... 15
E. Electrical Connection .................................................................................................. 15
F. Water Supply and Drain Connections .......................................................................... 16
1. Icemaker ................................................................................................................ 17
2. Water-Cooled Condenser....................................................................................... 18
G. Final Checklist 20 ............................................................................................................
H. Startup 21 ........................................................................................................................
I. Dispense Mode Switch 23 .................................................................................................
J. Alarm Safeties .............................................................................................................. 23
III. Maintenance 24 ...................................................................................................................
A. Maintenance Schedule 25 ................................................................................................
B. Cleaning and Sanitizing Instructions 26 ...........................................................................
IV. Preparing the Appliance for Periods of Non-Use 30 ............................................................
V. Disposal 32 ...........................................................................................................................
IMPORTANT
This manual should be read carefully before the appliance is installed and operated.
Read the warnings and guidelines contained in this manual carefully as they
provide essential information for the continued safe use and maintenance of the
appliance. Retain this manual for any further reference that may be necessary.

4
Important Safety Information
Throughout this manual, notices appear to bring your attention to situations which could
result in death, serious injury, damage to the appliance, or damage to property.
WARNING Indicates a hazardous situation which could result in death or
serious injury.
NOTICE Indicates a situation which could result in damage to the
appliance or property.
IMPORTANT Indicates important information about the installation, use, and
care of the appliance.
WARNING
The appliance should be destined only to the use for which it has been expressly
conceived. Any other use should be considered improper and therefore dangerous.
The manufacturer cannot be held responsible for injury or damage resulting
from improper, incorrect, and unreasonable use. Failure to install, operate, and
maintain the appliance in accordance with this manual will adversely affect safety,
performance, component life, and warranty coverage and may result in costly water
damage.
To reduce the risk of death, electric shock, serious injury, or re, follow basic
precautions including the following:
• Only qualied service technicians should install and service the appliance.
• The appliance must be installed in accordance with applicable national, state, and
local codes and regulations.
• Electrical connection must be hard-wired and must meet national, state, and local
electrical code requirements. Failure to meet these code requirements could result
in death, electric shock, serious injury, re, or damage.
• The appliance requires an independent power supply of proper capacity. See the
nameplate for electrical specications. Failure to use an independent power supply
of proper capacity can result in a tripped breaker, blown fuse, damage to existing
wiring, or component failure. This could lead to heat generation or re.
• THE APPLIANCE MUST BE GROUNDED. Failure to properly ground the appliance
could result in death or serious injury.
• To reduce the risk of electric shock, do not touch the power switch or control switch
with damp hands.
• Move the power switch to the "OFF" position and turn off the power supply before
servicing. Lockout/Tagout to prevent the power supply from being turned back on
inadvertently.
• Do not place ngers or any other objects into the ice discharge opening.
• Do not make any alterations to the appliance. Alterations could result in electric
shock, injury, re, or damage.

5
WARNING, continued
• The appliance is not intended for use by persons (including children) with reduced
physical, sensory, or mental capabilities, or lack of experience and knowledge,
unless they have been given supervision or instruction concerning use of the
appliance by a person responsible for their safety.
• Children should be properly supervised around the appliance.
• Do not climb, stand, or hang on the appliance or allow children or animals to do so.
Serious injury could occur or the appliance could be damaged.
• Do not use combustible spray or place volatile or ammable substances near the
appliance. They might catch re.
• Keep the area around the appliance clean. Dirt, dust, or insects in the appliance
could cause harm to individuals or damage to the appliance.
NOTICE
• Follow the water supply, drain connection, and maintenance instructions carefully to
reduce the risk of costly water damage.
• In areas where water damage is a concern, install in a contained area with a oor
drain.
• Install the appliance in a location that stays above freezing. Normal operating
ambient temperature must be within 45°F to 100°F (7°C to 38°C).
• Do not leave the appliance on during extended periods of non-use, extended
absences, or in sub-freezing temperatures. To properly prepare the appliance for
these occasions, follow the instructions in "IV. Preparing the Appliance for Periods
of Non-Use."
• Do not place objects on top of the appliance.
• The ice storage bin is for ice use only. Do not store anything else in the ice storage
bin.

6
I. Specications
A. Electrical and Refrigerant Data
The rating label and nameplate provide electrical and refrigerant data. The rating label
can be seen by removing the front panel. The nameplate is located on the rear panel. For
certication marks, see the nameplate.
We reserve the right to make changes in specications and design without prior notice.
1. DCM-300BAH(-OS)
Single Phase
Model Number DCM-300BAH(-OS)
AC Supply Voltage 115-120/60/1
Compressor 115V 6.0RLA 29.0LRA
Gear Motor 120V 1.45FLA 80W
Fan Motor 115V 0.8FLA 16W
Agitating Motor 115V 0.9FLA 55W
Dispensing Motor 115V 0.9FLA 55W
Other 120V 0.2A
Maximum Fuse Size 20 AMPS
Max. HACR Breaker
(USA Only)
20 AMPS
Max. Circuit Breaker
(Canada Only)
20 AMPS
Minimum Circuit
Ampacity
20 AMPS
Design Pressure HI-460PSI LO-290PSI
Refrigerant 404A 15.9 OZ.
2. DCM-500B_H(-OS)
Single Phase
Model Number DCM-500BAH(-OS) DCM-500BWH(-OS)
AC Supply Voltage 115-120/60/1 115-120/60/1
Compressor 120V 7.5RLA 54.5LRA 120V 7.5RLA 54.5LRA
Gear Motor 120V 2.4FLA 1/4HP 120V 2.4FLA 1/4HP
Fan Motor 120V 1.0FLA 50W - - -
Agitating Motor 120V 0.9FLA 55W 120V 0.9FLA 55W
Dispensing Motor 120V 0.9FLA 55W 120V 0.9FLA 55W
Other 120V 0.2A 115V 0.2A
Maximum Fuse Size 20 AMPS 20 AMPS
Max. HACR Breaker
(USA Only)
20 AMPS 20 AMPS
Max. Circuit Breaker
(Canada Only)
20 AMPS 20 AMPS
Minimum Circuit
Ampacity
20 AMPS 20 AMPS
Design Pressure HI-460PSI LO-290PSI HI-460PSI LO-290PSI
Refrigerant 404A 1 LB 4.1 OZ. 404A 11.5 OZ.

7
3. DCM-751BWH(-OS)
Single Phase
Model Number DCM-751BWH(-OS)
AC Supply Voltage 115-120/60/1
Compressor 115V 14.6RLA 77LRA
Gear Motor 120V 3.0FLA 1/4HP
Fan Motor - - -
Agitating Motor 120V 1.8FLA(TOTAL) 110W
Dispensing Motor 120V 0.9FLA 55W
Other 120V 0.6A
Maximum Fuse Size 20 AMPS
Max. HACR Breaker
(USA Only)
20 AMPS
Max. Circuit Breaker
(Canada Only)
20 AMPS
Minimum Circuit
Ampacity
20 AMPS
Design Pressure HI-460PSI LO-290PSI
Refrigerant 404A 1 LB 6 OZ.
4. DCM-752BAH(-OS)
Single Phase
Model Number DCM-752BAH(-OS)
AC Supply Voltage 115-120/60/1
Compressor 115V 9.4RLA 70LRA
Gear Motor 120V 3.0FLA 1/4HP
Fan Motor 115V 1.75A 1/10HP
Agitating Motor 120V 1.8FLA(TOTAL) 110W
Dispensing Motor 120V 0.9FLA 55W
Other 120V 0.6A
Maximum Fuse Size 20 AMPS
Max. HACR Breaker
(USA Only)
20 AMPS
Max. Circuit Breaker
(Canada Only)
20 AMPS
Minimum Circuit
Ampacity
20 AMPS
Design Pressure HI-455PSI LO-210PSI
Refrigerant 404A 1 LB 10 OZ.

8
Rear
B. Dimensions/Connections
1. Air-Cooled Models (DCM-300BAH(-OS), DCM-500BAH(-OS))
NOTICE
Allow 6" (15 cm) clearance at rear and
sides for proper air circulation and ease
of maintenance and/or service should
they be required. Allow 24"(61cm)
clearance at top to allow for removal of
the auger.
Unit: mm [in.]
DCM-300BAH
DCM-500BAH
DCM-300BAH-OS
DCM-500BAH-OS
A100 [3.94] NA
B93 [3.66] NA
CNA 100 [3.94]
DNA 99 [3.90]
E48 [1.89] NA
FNA 207 [8.14]
Side
Front

9
Unit: mm [in.]
2. Air-Cooled Models (DCM-752BAH(-OS))
NOTICE
Allow 6" (15 cm) clearance at rear and
sides for proper air circulation and ease
of maintenance and/or service should
they be required. Allow 24"(61cm)
clearance at top to allow for removal of
the auger.
DCM-752BAH DCM-752BAH-OS
A100 [3.94] NA
B165 [6.5] NA
CNA 100 [3.94]
DNA 165 [6.5]
E76 [2.99] NA
FNA 284 [11.20]
RearSideFront

10
3. Water-Cooled Models (DCM-500BWH(-OS))
Unit: mm [in.]
NOTICE
Allow 6" (15 cm) clearance at rear and
sides for proper air circulation and ease
of maintenance and/or service should
they be required. Allow 24"(61cm)
clearance at top to allow for removal of
the auger.
DCM-500BWH DCM-500BWH-OS
A100 [3.94] NA
B93 [3.66] NA
CNA 100 [3.94]
DNA 99 [3.90]
E48 [1.89] NA
FNA 207 [8.14]
Rear
Side
Front

11
4. Water-Cooled Models (DCM-751BWH(-OS))
Unit: mm [in.]
NOTICE
Allow 6" (15 cm) clearance at rear and
sides for proper air circulation and ease
of maintenance and/or service should
they be required. Allow 24"(61cm)
clearance at top to allow for removal of
the auger.
DCM-751BWH DCM-751BWH-OS
A100 [3.94] NA
B165 [6.5] NA
CNA 100 [3.94]
DNA 165 [6.5]
E76 [2.99] NA
FNA 284 [11.2]
Rear
Side
Front

12
II. Installation and Operating Instructions
WARNING
• The appliance must be installed in accordance with applicable national, state, and
local codes and regulations.
• Failure to install, operate, and maintain the appliance in accordance with this
manual will adversely affect safety, performance, component life, and warranty
coverage and may result in costly water damage.
• Ensure all components, fasteners, and thumbscrews are CHOKING HAZARD:
securely in place after installation. Make sure that none have fallen into the ice
storage bin.
A. Location
NOTICE
• The appliance is not intended for outdoor use. Normal operating ambient
temperature must be within 45°F to 100°F (7°C to 38°C); Normal operating
water temperature must be within 45°F to 90°F (7°C to 32°C). Operation of the
appliance, for extended periods, outside of these normal temperature ranges
may affect appliance performance.
• The appliance will not work at sub-freezing temperatures. To prevent damage
to the water supply line, drain the appliance if the air temperature is going to go
below 32°F (0°C). See "IV. Preparing the Appliance for Periods of Non-Use."
• Opti-Serve Model (-OS): Sunlight, direct and indirect, can have an effect on the
operation of the dispense sensors. If a problem is noticed, the appliance should
be moved out of direct sunlight and/or farther away from any outside windows.
• The appliance should not be located next to ovens, grills, or other high heat producing
equipment.
• Allow 6" (15 cm) clearance at rear and sides for proper air circulation and ease of
maintenance and/or service should they be required. Allow 24" (61 cm) clearance at top
to allow for removal of the auger.
• The location should provide a rm and level foundation for the appliance.

13
B. Checks Before Installation
• Visually inspect the exterior of the shipping container and immediately report any
damage to the carrier. Upon opening the container, any concealed damage should also
be immediately reported to the carrier.
• Remove the shipping carton, tape, and packing material. If any are left in the appliance,
it will not work properly.
• See the nameplate on the rear panel, and check that your voltage supplied corresponds
with the voltage specied on the nameplate.
• Remove the panels to prevent damage when installing the appliance. See "II.C. How to
Remove Panels."
• Remove the package containing the accessories.
• Remove the protective plastic lm from the panels. If the appliance is exposed to the
sun or to heat, remove the lm after the appliance cools.
• Check that the refrigerant lines do not rub or touch lines or other surfaces, and that the
fan blade (if applicable) turns freely.
• This appliance can be installed on a countertop or on an optional stand. If using an
optional stand, see the table below. For further options, contact your local Hoshizaki
distributor.
Model Number SD Stand
DCM-300BAH(-OS) SD-450/SD-500
DCM-500B_H(-OS)
DCM-751BWH(-OS) SD-700/SD-750
DCM-752BAH(-OS)
• The drip tray on the front of the DCM-751BWH(-OS) and DCM-752BAH(-OS) is
removable for installations using an in-counter drain. Drip tray removal requires
HS-5003 for DCM-751BWH and DCM-752BAH or HS-5002 for DCM-751BWH-OS
and DCM-752BAH-OS.
DCM on Hoshizaki Stand
SD-450 or SD-700
DCM on Hoshizaki Stand
SD-500 or SD-750
DCM-751BWH and
DCM-752BAH with
DripTray Removal Kit
HS-5003
DCM-751BWH-OS and
DCM-752BAH-OS with
DripTray Removal Kit
HS-5002
Model Shown: DCM-752BAH

14
C. How to Remove Panels
See Fig. 1
• Front Panel: Remove the screw. Lift up and towards you. Disconnect the connector on
push-button models.
• Top Panel: Lift up at front slightly, push rearward and lift off.
• Apron Panel: Remove the screws and pull towards you. Disconnect the connectors on
optical-sensor models.
• Side Panel: Remove the screws and pull towards you.
• Ice Storage Bin Cover: Remove the thumbscrews and pull towards you.
Fig. 1
Push-Button Models Opti-Serve Models
Fig. 2
Top Panel
Side Panel
Side Panel
Front Panel
Apron Panel
Connector
Top Panel
Side Panel
Side Panel
Front Panel
Apron Panel
Connectors
Ice Storage
Bin Cover
Ice Storage
Bin Cover

15
D. Setup
1) Position the appliance in the selected permanent location. If applicable, attach optional
6" legs or attach to an optional stand. If attaching to a stand, refer to the instructions
included with the stand. If removing the drip tray, refer to the instructions included with
the HS kit (HS-5003 for DCM-751BWH and DCM-752BAH or HS-5002 for
DCM-751BWH-OS and DCM-752BAH-OS).
2) Level the appliance in both the left-to-right and front-to-rear directions. If using optional
6" legs or an optional stand, adjust the legs to make the appliance level.
3) If mounting at to a counter, seal the perimeter where the appliance contacts the
counter with approved caulk compound in a smooth and easily cleanable manner.
4) Replace the panels in their correct positions.
E. Electrical Connection
WARNING
For All Models
• Electrical connection must be hard-wired and must meet national, state, and local
electrical code requirements. Failure to meet these code requirements could result
in death, electric shock, serious injury, re, or damage.
• The appliance requires an independent power supply of proper capacity. See
the nameplate for electrical specications. Failure to use an independent power
supply of proper capacity can result in a tripped breaker, blown fuse, damage to
existing wiring, or component failure. This could lead to heat generation or re.
• THE APPLIANCE MUST BE GROUNDED. Failure to properly ground the
appliance could result in death or serious injury.
• Electrical connection must be made in accordance with the instructions on the
"WARNING" tag, provided with the pig tail leads in the junction box. See Fig. 3.
• Usually an electrical permit and services
of a licensed electrician are required.
• The maximum allowable voltage variation
is ±10 percent of the nameplate rating.
• The white lead must be connected to the
neutral conductor of the power source.
NOTICE! Miswiring may result in
damage to the appliance.
• The opening for the power supply
connection is 7/8" DIA to t a 1/2" trade
size conduit.
Fig. 3 115-120/60/1
WARNING
ELECTRICAL CONNECTION
THIS UNIT MUST BE GROUNDED
Failure to properly ground or wire
this unit could result in death,
serious injury, or severe damage
to the icemaker. The white lead
must be connected to the neutral
conductor of the power source.
See diagram below.
JUNCTION BOX
1
15-120V
BROWN
WHITE
L
N
Especificaciones del producto
Marca: | Hoshizaki |
Categoría: | Máquina de hielo |
Modelo: | DCM-751BAH |
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