Hoshizaki UR48AD2, SR27A8D2, WR48A01, WR60A01, WR72AD6 User Manual

Instruction Manual

Refrigerated Kitchen Equipment

Models
Undercounter
Worktop
Prep Table

hoshizakiamerica.com

Issued: 10-5-2017
Revised: 10-3-2018

WARNING

Only qualied service technicians should install and service the appliance. To
obtain the name and phone number of your local Hoshizaki Certied 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 may adversely affect safety,
performance, component life, and warranty coverage. 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 qualied 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: [phone]
Fax: [phone]

E-mail: [e-mail]

618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department

Web Site: www.hoshizaki.com

NOTE: To expedite assistance, all correspondence/communication MUST include the

following information:

• Model Number

• Serial Number

• Complete and detailed explanation of the problem.

2

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.

CONTENTS

Important Safety Information ................................................................................................. 4

I. Installation Instructions ....................................................................................................... 8

A. Location ........................................................................................................................ 8

B. Checks Before Installation ............................................................................................. 9

C. Setup ............................................................................................................................. 9

D. Solid Door Reversal..................................................................................................... 16

E. Door/Drawer Location Reversal .................................................................................. 19

F. Glass Door Reversal .................................................................................................... 29

G. Electrical Connection .................................................................................................. 30

H. Final Checklist ............................................................................................................. 31

II. Operating Instructions ...................................................................................................... 32

A. Important Notes About Usage ..................................................................................... 32

B. Startup ........................................................................................................................ 35

C. Controls and Adjustments ........................................................................................... 35

1. Temperature Reading ............................................................................................. 35

2. Adjusting the Temperature ..................................................................................... 35

D. Defrost ......................................................................................................................... 36

1. Undercounter and Worktop Refrigerators ............................................................... 36

2. Prep Table Refrigerators and Undercounter and Worktop Freezers ....................... 36

E. Food Storage...............................................................................................................37

F. Safety Devices ............................................................................................................. 38

G. Cooling Performance .................................................................................................. 38

H. Cabinet Condensation ................................................................................................ 38

III. Cleaning and Maintenance Instructions .......................................................................... 39

A. Cleaning ...................................................................................................................... 39

1. Exterior ................................................................................................................... 39

2. Cabinet Interior ...................................................................................................... 39

3. Door/Drawer Gaskets ............................................................................................ 39

4. Shelves .................................................................................................................. 39

5. Glass Door ............................................................................................................. 39

6. Drawers .................................................................................................................40

7. Worktop (Worktop Models) ..................................................................................... 40

8. Cutting Board (Prep Table Models) ........................................................................ 40

9. Rail, Rail Hood, and Rail Cover (Prep Table Models) ............................................ 41

10. Spill Guard ........................................................................................................... 41

B. Maintenance ................................................................................................................ 41

IV. Preparing the Appliance for Periods of Non-Use ............................................................ 42

V. Disposal ........................................................................................................................... 43

3

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.

DANGER

WARNING

NOTICE

IMPORTANT

Indicates a hazardous situation that, if not avoided, will result in
death or serious injury.

Indicates a hazardous situation that, if not avoided, could result
in death or serious injury.

Indicates a situation that, if not avoided, could result in damage
to the appliance or property.

Indicates important information about the use and care of the
appliance.

DANGER

Risk of Fire or Explosion

Flammable Refrigerant Used

• Follow handling instructions carefully
in compliance with U.S. government
regulations.

• Do not use mechanical devices to defrost.

• Do not puncture refrigerant tubing. Risk
of re or explosion due to puncture
of refrigerant tubing; follow handling
instructions carefully.

• Component parts shall be replaced with
like components.

• Servicing shall be done by factory
authorized service personnel to minimize
the risk of possible ignition due to
incorrect parts or improper service.

• Consult instruction manual/service manual
before attempting to install or service this
product. All safety precautions must be
followed.

• Dispose of properly in accordance with
federal or local regulations.

• Do not place any potential ignition sources
in or near the appliance.

Risque De Feu Ou D'Explosion

Le Frigorigène Est Inammable

• Suivre attentivement les instructions
de manipulation conformément à la
réglementation gouvernementale.

• Ne pas utiliser d'appareils mécaniques
pour dégivrer le réfrigérateur.

• Ne pas perforer la tubulure contenant le
frigorigène. Risque de feu ou d'explosion
si la tubulure contenant le frigorigène
est perforée; suivre les instructions de
manutention avec soin.

• Les pièces des composants doivent être
remplacées par des pièces et accessoires
équivalents.

• L’entretien doit être effectué par le
personnel de service autorisé par le
fabricant an de minimiser les risques
d’inammation attribuables à l’installation
d’une pièce inadéquate ou à la mauvaise
exécution du service.

• Consulter le manuel du propriétaire/
guide de réparation avant de tenter une
réparation. Toutes les mesures de sécurité
doivent être respectées.

• Éliminer conformément aux règlements
fédéraux ou locaux.

• Ne placez aucune source d’inammation
potentielle dans ou près de l’appareil.

4

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.

To reduce the risk of death, electric
shock, serious injury, or re, follow
basic precautions including the
following:

• Only qualied service technicians should
install and service the appliance.

• Wear appropriate personal protective
equipment (PPE) when servicing the
appliance.

• The appliance must be installed in
accordance with applicable national, state,
and local codes and regulations.

• Appliance is heavy. Use care when
lifting or positioning. Work in pairs when
needed to prevent injury or damage. Do
not lift using the top section or the doors/
drawers.

• To reduce the risk of electric shock, do not
touch the plug with damp hands.

• Unplug the appliance before servicing.

• The appliance requires an independent
power supply of proper capacity. See the
nameplate for electrical specications.
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. The appliance is equipped

with a NEMA5-15 three-prong grounding
plug
shock hazards. It must be plugged into a
properly grounded, independent 3-prong
wall outlet. If the outlet is a 2-prong outlet,
it is your personal responsibility to have
a qualied electrician replace it with a
properly grounded, independent 3-prong
wall outlet. Do not remove the ground
prong from the power cord and do not use
an adapter plug. Failure to follow these
instructions may result in death, electric
shock, or re.

• Do not use an extension cord.

• Do not use an appliance with a damaged
power cord. The power cord should not be
altered, jerked, bundled, weighed down,
pinched, or tangled. Such actions could
result in electric shock or re. To unplug
the appliance, be sure to pull the plug, not
the cord, and do not jerk the cord.

• The GREEN ground wire in the
factory-installed power cord is connected
to the appliance. If it becomes necessary
to remove or replace the power cord, be
sure to connect the power cord's ground
wire.

• Do not splash, pour, or spray water
directly onto or into the appliance. This
might cause short circuit, electric shock,
corrosion, or failure.

• Do not make any alterations to the
appliance. Alterations could result in
electric shock, injury, re, or damage to
the appliance.

• 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.

to reduce the risk of potential

5

WARNING, continued

• Children should be properly supervised
around the appliance.

• Do not climb, stand, or hang on the
appliance or doors/drawers or allow
children or animals to do so. Do not climb
into the appliance or allow children or
animals to do so. Death or serious injury
could occur or the appliance could be
damaged.

• Be careful not to pinch ngers when
opening and closing the doors/drawers
or rail cover (prep table models) or when
handling food pans. Be careful when
opening and closing the doors/drawers or
rail cover when children are in the area.

• Open and close the doors/drawers and
rail cover (prep table models) with care.
Opening the doors/drawers or rail cover
too quickly or forcefully may cause injury
or damage to the appliance or surrounding
equipment.

• Do not use combustible spray or place
volatile or ammable substances in or 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 equipment.

• Do not block air inlets or outlets, otherwise
cooling performance may be reduced.

• Do not tightly pack the cabinet. Allow some
space between items to ensure good air
ow. Also allow space between items and
interior surfaces.

• Do not put warm or hot foods in the cabinet.
Let them cool rst, or they will raise the
cabinet temperature and could deteriorate
other foods in the cabinet or overload the
appliance.

• Food storage and handling must comply
with applicable codes and regulations.

• All foods should be wrapped in plastic lm
or stored in sealed containers. Otherwise
foods may dry up, pass their smells onto
other foods, cause frost to develop, result
in poor appliance performance, or increase
the likelihood of cross-contamination.
Certain dressings and food ingredients,
if not stored in sealed containers, may
accelerate corrosion of the evaporator,
resulting in failure.

• Do not store items near air outlets.
Otherwise, items may freeze up and
crack or break causing a risk of injury or
contamination of other food.

• Do not throw anything onto the shelves or
load any single shelf with more than 120lb.
(54.5 kg) of product. They might fall off and
cause injury.

• Do not load any single drawer with more
than 75 lb. (34 kg) of product. Depending
on the weight of product in the drawers,
secure the unit as necessary to prevent it
from overturning. Do not open more than
one drawer at a time.

• The appliance is designed only for
temporary storage of food. Employ sanitary
methods. Use for any other purposes (for
example, storage of chemicals or medical
supplies such as vaccine and serum)
could cause deterioration of stored items.

6

WARNING, continued

Additional Warnings for Prep Table
Models

• The entire rail must always be covered
by rail dividers and pans (1/6 size, up to
6"(15cm)deep). Otherwise, the appliance
will not cool properly.

• Use only 1/6 size pans up to 6"(15cm)
deep. Do not use damaged pans.

• Ingredients must be pre-chilled to 37°F
(3°C) or less before placing in rail.

• Keep the rail cover closed when not actively
preparing food.

• The rail is for keeping ingredients cool while
preparing food. If not actively preparing
food for a long period such as overnight,
seal pans with plastic wrap in addition
to closing the rail cover. Depending on
conditions, the cabinet temperature setting
may need to be adjusted to prevent items
from freezing. Alternatively, seal ingredients
and store them in a refrigerator or freezer.

NOTICE

• Protect the oor when moving the
appliance to prevent damage to the oor.

• Keep ventilation openings, in the
appliance enclosure or in the built-in
structure, clear of obstruction. Do not
place anything on top of the appliance in
an undercounter installation. There must
be at least 1.5" (4 cm) overhead clearance
for proper ventilation. The factory-installed
rear bumpers must be in place to ensure
proper rear clearance. Blockage of airow
could negatively affect performance and
damage the appliance.

• Do not allow the appliance to bear any
outside weight.

• To prevent deformation or cracks, do not
spray insecticide onto the plastic parts or
let them come into contact with oil.

• To avoid damage to the gasket, use only
the door/drawer handle when opening
and closing.

• To avoid damage to the top seal, do not lift
the appliance by the top panel or remove
the top panel.

Additional Notice for Prep Table
Models

• Do not place anything on top of the rail
hood or rail cover and do not lift the
appliance by the rail hood or rail cover.
The rail hood and rail cover are not
designed to bear any outside weight.

7

I. Installation Instructions

WARNING

• The appliance must be installed in accordance with applicable national, state, and
local regulations.

• Appliance is heavy. Use care when lifting or positioning. Work in pairs when needed
to prevent injury or damage. Do not lift using the top section or the doors/drawers.

• Do not tilt the appliance more than 45°.

A. Location

WARNING

• The appliance is not intended for outdoor use.

• Undercounter and Worktop: Certied to maintain NSF temperatures up to 100°F
(38°C).

• Prep Tables: Certied to maintain NSF temperatures between 45°F to 86°F (7°C to
30°C) and engineered to maintain NSF temperatures up to 100°F (38°C).

• Operation of the appliance, for extended periods, outside of this normal
temperature range may affect appliance performance.

For best operating results:

• The appliance should not be located next to ovens, grills, or other high heat producing
equipment.

• The location should provide a rm and level foundation for the appliance.

• The appliance should not be located in a corrosive environment.

• The factory-installed rear bumpers must be in place to ensure proper rear clearance.
For undercounter and worktop models, a minimum of 1.5" (4 cm) overhead clearance
should be provided for proper ventilation. For prep table models, a minimum of
10"(25cm) clearance above the rail hood should be provided to allow the rail cover to
open.

8

B. Checks Before Installation

WARNING

Refer to the nameplate for electrical specications. The nameplate is located on
the right side wall of the cabinet interior. For more electrical connection details, see
"I.E. Electrical Connection." We reserve the right to make specication and design
changes without prior notice.

Nameplate

• Visually inspect the exterior of the shipping package and immediately report any damage
to the carrier. Upon opening the package, any concealed damage should also be
immediately reported to the carrier.

• Remove the shipping carton, tape, and packing material. Also remove the protective plastic
lm from both the exterior panels and the interior door/drawer panel. If the appliance is
exposed to the sun or to heat, remove the lm after the appliance cools.

• Remove all accessory containers before discarding the packing materials. Dispose of all
packing materials in a proper and environmentally responsible manner.

• Check for missing or damaged accessories.

C. Setup

1. Caster Installation, Leveling the Appliance, and Door Alignment

a) Caster Installation

1) Move as close to the nal location as possible.

2) Remove the 2 bolts securing the appliance to the pallet, then remove the appliance
from the pallet. Block the appliance securely at a height of 8" (20 cm) off the oor. Do
not lay the appliance down.

9

3) Attach the casters to the bottom of the appliance. Locking casters should be attached to
the front of the appliance. See Fig. 1.
Note: For UR_WR_SR48A(-xx), rear caster brackets must be installed with the rear
casters as illustrated. See Fig. 2.

NOTICE! Ensure casters are completely threaded into appliance and tight.

Door

Rear Caster
Bracket

Fig. 1

Locking Casters
in Front

Rear
Caster
Bracket

Casters

UR_WR_SR48A(-xx)

Fig. 2

b) Leveling the Appliance and Door Alignment

After installing the casters, lower the appliance to the oor and check the level of the
appliance and the alignment of the doors. If the appliance is out of level or the doors are
out of alignment, follow the steps below. Otherwise, continue to the next section.

1) Secure the doors. Raise and block the appliance. Make sure the appliance is stable.

2) Unscrew the appropriate caster to the approximate desired height. See Fig. 3.

Caster

Fig. 3

3) Position the necessary number of shim plates in place (no more than 3 per caster).
If using more than one shim plate, rotate each additional shim plate 90° from the
adjoining shim plate so that the slots are not aligned. See Fig. 4.
Note: Do not shim the rear of the appliance higher than the front as this could affect

door performance.

Shim Plates
Rotate each shim plate 90°
from the adjoining shim
plate. Maximum of 3 shim
plates per caster.

Caster

Fig. 4

10

4) Tighten the caster. See Fig. 5. NOTICE! Make sure the caster is tight and no slack is

left between the caster, shim plates, and appliance.

5) Repeat the procedure for other casters as needed.

6) Lower the appliance to the oor.

Shim Plates

Caster Tight Against
Shim Plates and Unit

Caster

Fig. 5

2. Check the Refrigeration Circuit

• Visually check that the refrigerant lines do not rub or touch other lines or surfaces and
that the condenser fan blade turns freely.

• Check that the compressor is securely attached.

3. Position the Appliance and Lock the Front Casters

The front casters on the appliance are lockable. After positioning the appliance in its nal
location, lock the front casters.

4. Install the Shelves

1) For each shelf, place the shelf support clips into the pilasters at the desired height
(4 shelf support clips per shelf). See Fig. 6.

2) Place the shelves in position on the support clips.

Fig. 6

Shelf

Shelf Support Clip

Pilaster

11

5. Install the Rail Dividers and Pans (Prep Table Models)

Install the rail dividers and 1/6 size pans included with the appliance. See Fig. 7 and the

table below. The entire rail must always be covered by rail dividers and pans. Otherwise,

the appliance will not cool properly. Use pans with a depth of up to 6"(15cm). Do not use

damaged rail dividers or pans.

Pans

Fig. 7

Rail Dividers

Rail Divider Layout

-8 Models

SR27A-8 SR48A-8, SR60A-8

Front-to-Back: HS-5187 (13-3/4"; 348 mm) Qty 1
Side-to-Side: HS-5185 (12-1/2"; 319 mm) Qty 2

-10, -15M Models

SR36A-10 SR36A-15M

Front-to-Back: HS-5187 (13-3/4"; 348 mm) Qty 2
Side-to-Side (Outer): HS-5185 (12-1/2"; 319 mm) Qty 1
Side-to-Side: HS-5186 (Center) (12-1/2"; 316 mm) Qty 1

-12, -12M Models

SR48A-12, SR60A-12, SR72A-12 SR27A-12M, SR48A-12M, SR60A-12M

Front-to-Back: HS-5188 (12-5/8"; 322 mm) Qty 1
Side-to-Side: HS-5189 (13-5/8"; 346 mm) Qty 2

Front-to-Back: HS-5184 (20-3/4"; 526 mm) Qty 2
Side-to-Side (Outer): HS-5185 (12-1/2"; 319 mm) Qty 2
Side-to-Side: HS-5186 (Center) (12-1/2"; 316 mm) Qty 2

Front-to-Back: HS-5188 (12-5/8"; 322 mm) Qty 2
Side-to-Side (Outer): HS-5189 (13-5/8"; 346 mm) Qty 2
Side-to-Side (Center): HS-5190 (13-1/2"; 344 mm) Qty 1

Front-to-Back: HS-5184 (20-3/4"; 526 mm) Qty 1
Side-to-Side: HS-5185 (12-1/2"; 319 mm) Qty 4

12

Rail Divider Layout, continued

-16 Models

SR60A-16, SR72A-16

Front-to-Back: HS-5188 (12-5/8"; 322 mm) Qty 3
Side-to-Side (Outer): HS-5189 (13-5/8"; 346 mm) Qty 2
Side-to-Side (Center): HS-5190

(13-1/2"; 344 mm)

Qty 2

-18, -18M Models

SR72A-18 SR48A-18M, SR60A-18M, SR72A-18M

Front-to-Back: HS-5188 (12-5/8"; 322 mm) Qty 2
Side-to-Side (Outer): HS-5191 (20-5/8"; 523 mm) Qty 2
Side-to-Side (Center): HS-5192 (20-1/2"; 520 mm) Qty 1

-24M Models

SR60A-24M, SR72A-24M

Front-to-Back: HS-5184 (20-3/4"; 526 mm) Qty 2
Side-to-Side: HS-5185 (12-1/2"; 319 mm) Qty 8

-30M Models
SR72A-30M

Front-to-Back: HS-5184 (20-3/4"; 526 mm) Qty 2
Side-to-Side: HS-5185 (Outer) (12-1/2"; 319 mm) Qty 4
Side-to-Side: HS-5186 (Center) (12-1/2"; 316 mm) Qty 2

Front-to-Back: HS-5184 (20-3/4"; 526 mm) Qty 3
Side-to-Side (Outer): HS-5185 (12-1/2"; 319 mm) Qty 8
Side-to-Side (Center): HS-5186 (12-1/2"; 316 mm) Qty 2

13

6. Install the Rail Cover (Prep Table Models)

1) Install and tighten the pivot pins, washers, and pivot screws on the rail hood with the
pivot pin shafts facing inward towards the open rail area. See Fig. 8.

2) Models with Two Rail Covers: Install and tighten the pivot pins, washers, and pivot
screws to the center hinge brackets, then secure the center hinge brackets using the
4×8 screws provided. See Fig.9.

3) Install the rail cover(s) by squeezing in slightly on the rail cover side panels and aligning
the holes in the rail cover side panels with the pivot pins. See Fig. 10.

Rail Hood

Fig. 8

Pivot Pin

Fig. 9

Washer

For Models with Two Rail Covers

4×8 Screws

Pivot Screw

Washer

4×8 Screws

Pivot Pin

Center Hinge
Bracket

Washer

Center Hinge
Bracket

Pivot Screw

Pivot Pin

Pivot Screw

Fig. 10

Rail Cover

Rail Hood

Pivot Pins

14