Hoshizaki RT-96MA User manual

RT-96MA
RT-126MA
RT-156MA
RT-186MA
RT-98MA
RT-128MA
RT-158MA
RT-188MA
FT-96MA
FT-126MA
FT-156MA
FT-186MA
FT-98MA
FT-128MA
FT-158MA
FT-188MA
L1T263104 (082019)
RT-126MA
UNDERCOUNTER REFRIGERATOR/FREEZER
INSTRUCTION MANUAL
●This booklet is an integral and essential part of the product and should be kept
and preserved by the user.
●Please read carefully the guidelines and warnings contained herein as they are
intended to provide the installer/user with essential information for the proper
installation and the continued safe use and maintenance of the product.
●Please preserve this booklet for any further consultation that may be necessary.
Manufacturer:

ENGLISH I. INSTALLATION INSTRUCTIONS......................................................................................................1
1. CONSTRUCTION.........................................................................................................................1
2. ACCESSORIES............................................................................................................................1
3. LOCATION ...................................................................................................................................1
4. SET UP.........................................................................................................................................2
5. SHELF, SHELF CLIP AND SHELF HOLDER ..............................................................................2
6. ELECTRICAL CONNECTIONS ...................................................................................................3
II. OPERATING INSTRUCTIONS ..........................................................................................................3
1. START UP....................................................................................................................................4
2. CABINET TEMPERATURE SETTING .........................................................................................4
3. DEFROST.....................................................................................................................................5
4. INDICATOR LIGHTS....................................................................................................................5
5. SHUT DOWN................................................................................................................................5
III. MAINTENANCE .................................................................................................................................5
1. INTERIOR, EXTERIOR, SHELF...................................................................................................5
2. WIRE CONDENSER ....................................................................................................................6
3. AIR FILTER ..................................................................................................................................6
4. BEFORE CALLING A SERVICE AGENT.....................................................................................6
[a] TROUBLES WITH ERROR CODE INDICATION....................................................................7
[b] TROUBLES WITHOUT ERROR CODE INDICATION ............................................................7
5. DISPOSAL....................................................................................................................................7
6. WARRANTY .................................................................................................................................7

ENGLISH
1
WARNING
Do not wet this product or use it in
potentially wet conditions. This may
cause electric leakage, resulting in
electric shock or re.
IMPORTANT
1. This is a commercial refrigerator/freezer
intended to be used in household and similar
applications such as:
- staff kitchen areas in shops, offices and
other working environments;
- farm houses and by clients in hotels, motels
and other residential type environments;
- bed and breakfast type environments;
- catering and similar non-retail applications.
Any other use should be considered improper
and therefore dangerous. The manufacturer
will not be held liable or responsible for any
damage caused by improper, incorrect and
unreasonable use.
2. This 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.
Young children should be supervised
to ensure that they do not play with the
appliance.
I. INSTALLATION INSTRUCTIONS
1. CONSTRUCTION
Note: 1.Attach the four legs provided to the
mounting holes located at the bottom of the
unit.
2.For RT/FT-96,98MA, attach the five legs
provided to the mounting holes located at
the bottom of the unit.
2. ACCESSORIES
Width 900mm 1200/1500mm 1800mm
a) Shelf: 2 [2] 4 [4] 6 [6]
b) Shelf clip: 8 [8] 16 [16] 24 [24]
c) Shelf holder: 5 [0] 10 [0] 15 [0]
d) Leg: 5 [5] 4 [4] 4 [4]
Note: 1. Numbers in parentheses are for models
without shelf holders.
2. Customized products may have different
numbers and specications of accessories.
3. LOCATION
IMPORTANT
This refrigerator/freezer is not intended for
outdoor use. Normal operating ambient
temperature should be within 5°C to 43°C.
For best operating results:
* The refrigerator/freezer should not be located
next to ovens, grills or other high heat producing
equipment.
* The location should provide a firm foundation for
the equipment.
Keep Dry
Machine Compartment
Fig. 1
Front Panel
Front Panel
Air Outlet
Door (L)
Door (R)
Top Panel
Front Panel
Air Inlet
Leg
Shelf
Window Panel
Fig. 2
Power Cord

ENGLISH
2
Fig. 7
Shelf Clip
Shelf Post
Push
Hook
2) Take out the accessory legs.
3) Tilt the unit backward to mount the front legs (work
in pairs).
Fig. 5
Fig. 4
Carton (Base)
Carton
Shipping Band
CAUTION
The height of the adjustable legs must be within
9 - 12 cm (or 15 - 18 cm for some models).
If extended too much, the legs may become
weak or the adjusters can come off, causing
unexpected injuries.
5. SHELF, SHELF CLIP AND SHELF HOLDER
* The shelf is adjustable in 2.5 cm increments. Adjust
the shelf clips according to the height of stored
items.
* To attach the shelf clip, insert the upper tab into
an adjust hole in the shelf post to hook the shelf
clip, and push the lower tab into another adjust
hole until it locks in place. To detach the shelf clip,
reverse the above procedure.
4. SET UP
IMPORTANT
1. Do not tilt the unit more than 45° when
mounting the legs.
2. Carry the unit by holding its bottom.
1) Cut the shipping band and remove the carton.
4) Mount the rear legs in the same way.
5) Before operating the unit, remove all shipping
carton, packing, tape(s) and protective plastic lm
on the exterior, interior and top panel. Be careful
not to damage the exterior panels.
6) Position the unit in a selected site.
7) Clean the interior with a soft cloth soaked in cold
or warm water containing the proper amount of
neutral cleaner and wrung dry.
8) Level the refrigerator/freezer in both the left-to-
right and the front-to-rear directions. To adjust
the height of the unit, turn the adjusters of the
adjustable legs.
Fig. 6
Adjustable Leg
Adjuster
Leg Height Longer Shorter
* Avoid a site where dripping is not allowed.
Especially, a side-by-side or back-to-back
installation (possibly with other manufacturer’s unit)
may cause condensation between the two units,
resulting in dripping onto the oor.
* Do not expose the unit to direct sunlight or higher
temperatures.
* Allow at least 50 cm clearance between the
front panel air inlet/outlet and the wall or other
equipment for proper air circulation. The front of
the unit should have enough space for smooth
adjustment of the cabinet temperature. If the
ambient temperature can exceed 38°C, allow at
least 10 cm clearance from the wall at the side of
the machine compartment to prevent overloading
and damaging the refrigeration circuit.
Fig. 3
Air Outlet
Air Inlet
Min. 50cm

ENGLISH
3
CAUTION
Attach the shelf clips properly to make the shelf
level.
* To lay the shelf at the bottom of the cabinet, attach
two shelf holders each to the left and right frames
and one to the center frame as shown below.
IMPORTANT
When using the shelf at the bottom of the
cabinet, be sure to use the shelf holders to
prevent damage to the cabinet bottom, resulting
in corrosion.
6. ELECTRICAL CONNECTIONS
IMPORTANT
This refrigerator/freezer is provided with no
power switch or earth leakage circuit breaker,
but with overcurrent protection (fuse) only.
Install a switch rated at least 10A on the main
power supply.
* This refrigerator/freezer must be plugged into
the separated power receptacle which is readily
accessible and has enough capacity. The
maximum allowable voltage variation should not
exceed ± 10 percent of the nameplate rating. See
the nameplate.
* If the supply cord is damaged, it must be replaced
by the manufacturer, its service agent or similarly
qualied persons in order to avoid a hazard.
causing a risk of injury.
7. Do not use combustible spray or place
volatile and ammable substances near the
unit. They could catch re from a spark of a
switch or the like.
8. Do not put anything into the machine
compartment or the air inlet/outlet. The fan
rotating rapidly inside may cause injury or
heat.
9. Energise the refrigerator/freezer for 1 hour
and check for proper temperature before
putting foods in the cabinet.
10. Do not block the air inlet/outlet with foods.
11. Do not pack the cabinet with foods. Allow
some space between them to ensure good
air ow.
12. Do not put in warm or hot foods. Let them
cool first, or they will raise the cabinet
temperature and could deteriorate other
foods in the cabinet or overload the
refrigerator/freezer.
Fig. 8
II. OPERATING INSTRUCTIONS
IMPORTANT
1. Be careful not to wet the machine
compartment. This might cause failure or
electric shock hazard.
2. To prevent electric shock, do not touch the
attachment plug with wet hands.
3. Do not store any volatile or flammable
substances such as benzine, ether,
adhesives and LPG, or any explosive
substances such as aerosol cans with a
ammable propellant in the unit.
4. This refrigerator/freezer is designed only
for temporary storage of foods. Use for any
other purposes (e.g. storage of chemicals
or medical supplies such as vaccine and
serum) could cause deterioration of stored
items.
5. Do not throw anything onto the shelves or
load more than 60 kg on each of them. They
may fall o󰀨 and cause injury.
6. Do not store bottles or cans near the air
outlet. They may freeze up and break,

ENGLISH
4
[1] Refrigeration Indicator Light
[2] Defrost Indicator Light
[3] Fan Indicator Light
[4] Defrost Dripping Indicator Light
[5] Set Indicator Light
[6] Defrost Key / Evaporator Sensor
Temperature Display Key / Reset Key
[7] Down Key
[8] Up Key
[9] Set Key / Switch Between Menu and Parameter
Key
Fig. 10
1) Open the front panel.
2) Under normal operating conditions, press the set
key for 3 seconds to enter the user menu. When
the screen displays “St”, press the set key again.
The screen displays the value of “St”. It could be
modified by pressing the up or down key (see
IMPORTANT 2).
After choosing the “St” menu, press the set key to
set parameter value. Press the up or down key to
adjust parameter value, and then repress the set
key to go back to the menu choosing status.
Under the setting status, press the defrost/reset
key or perform no operation for 30 seconds. The
system will save the parameters and exit from the
parameter setting mode.
Code Function Set Range Default Unit
St Temperature setting
(refrigerator)
-6 to +12 1 °C
St Temperature setting
(freezer)
-7 to -23 -20 °C
※Glass door model（RT series）
set temperature
:-2°C to+12°C
IMPORTANT
1. The temperature setting must be between -6
and 12°C for the refrigerator and between -7
and -23°C for the freezer to prevent possible
failure.
2. To avoid the risk of failure, do not make
changes to other menus than “St”.
13. Make sure all items are snug on each shelf.
14. Moist or fresh foods and those with a strong
smell like seafood should be wrapped up
in a plastic film or packed in a container.
Otherwise the foods may dry up or give their
smells to other foods.
15. Foods containing acetic acid or yeast should
be wrapped up in a plastic film. Otherwise
they may accelerate corrosion of the
evaporator and copper tubes, resulting in
failure.
16.Foods intended for direct human
consumption should be stored on the shelf in
a proper container and protected from direct
contact with the cabinet walls.
17. Do not use the freezer to freeze foods. It is
designed only to store frozen foods. High
quality ice cream may melt during defrost
cycle and should not be stored in the freezer.
18. The doors may become difficult to open
just after closed because of the negative
pressure created inside the cabinet. Wait for
about 30 seconds.
1. START UP
1) Plug in the unit.
2) The compressor and condenser fan motor will
start in 3 minutes.
2. CABINET TEMPERATURE SETTING
IMPORTANT
1. Pressing the down key will not speed
up refrigeration, but will only lower the
temperature setting.
2. The temperature range given below is only
the adjustable range. The actual cabinet
temperature depends on the ambient
temperature and other conditions.
The cabinet temperature is factory-adjusted to
1°C for the refrigerator and -20°C for the freezer. If
necessary, readjust the temperature as follows.
[1]
[2]
[3]
[4]
[6] [7][5] Operation Panel
[9] [8]

ENGLISH
5
4. INDICATOR LIGHTS
Indicator Light Symbol Status Meaning
Setting set On Parameter setting
O󰀨 Measuring and
controlling status
Refrigeration On Refrigerating
O󰀨 Refrigeration stopped
Flash Refrigeration delayed
Defrost On Defrosting
O󰀨 Defrost stopped
Fan On Fan running
O󰀨 Fan stopped
Defrost dripping drip On Start defrost dripping
O󰀨 Stop defrost dripping
5. SHUT DOWN
1) Before shutting down the unit, move the stored
foods into another refrigerator/freezer.
2) Unplug the unit or disconnect the main power
supply.
3) When preparing the unit for long storage, clean
the cabinet interior and door gaskets, dry them
thoroughly and store the unit in a dry place.
3. The displayed cabinet temperature
is adjusted to be almost equal to the
temperature at the center of the cabinet
without foods. But it can be different from
the actual temperature depending on
arrangement of stored foods, frequency of
door opening or measuring points.
The compressor stops when the cabinet temperature
reaches down to the set temperature, and starts
when the cabinet temperature rises to the set
temperature + 4°C. Accordingly, the average cabinet
temperature will be around the set temperature +
2°C.
Set temperature (compressor o󰀨 temperature)
O󰀨-cycle defrost (RT series): -6 to +12°C
Heater defrost (FT series): -7 to -23°C
Fig. 11
Average Cabinet
Temperature
Set Temperature
Compressor
ON
OFF
Time
4K
Interior Thermistor Temperature
3. DEFROST
Automatic defrost cycle
The refrigerator/freezer automatically defrosts the
evaporator 6 hours after the refrigeration starts. The
defrost indicator light on the operation panel comes
on when the defrost cycle starts.
Manual defrost cycle
To start the manual defrost cycle, press the defrost/
reset key for 3 seconds. The defrost indicator light
on the operation panel comes on when the defrost
cycle starts.
III. MAINTENANCE
IMPORTANT
1. Before carrying out any cleaning or
maintenance operations, unplug the unit.
2.Do not touch or wet the machine
compartment parts. This could result in
failure or breakdown.
3. To prevent possible damage, do not clean
the plastic parts with water above 40°C or in
a dishwasher.
1. INTERIOR, EXTERIOR, SHELF
* Clean the interior and exterior at least once a week
for sanitary use.
* Clean o󰀨 the interior and exterior with a soft cloth
soaked in cold or warm water containing the proper
amount of neutral cleaner and wrung dry. Do not
use a water jet to clean the machine compartment.
* Chemical agents other than neutral cleaner might
cause damage to the interior and exterior surfaces.

ENGLISH
6
* Any remaining detergent will damage metal or
plastic surfaces. Use a soft cloth dampened with
warm water to wipe it o󰀨.
* Do not use the following items. They could damage
painted or plastic surfaces:
Polishing powder, alcohol, thinner, benzine, acidic
or alkaline detergent, hot water, petroleum, soap
powder, metal scourer or brush, etc.
Especially detergent to clean grease on ventilator
or microwave.
Fig. 12
detergent
Note: Some solutions other than the above may
also damage painted or plastic surfaces.
Immediately stop using such solutions if
they cause any problems.
* The door gasket and its contact surface get
soiled easily. Clean every surface of these parts
thoroughly. Remnants of food will accelerate aging.
* Use a cloth to wipe o󰀨 any water staying inside the
cabinet.
2. WIRE CONDENER
* Use a vacuum cleaner or a soft brush to remove
dust and stains from the condenser.
Note: If users clean the condenser with hard
brushes, such as dishwasher brushes,
the coating of the condenser may peel o󰀨,
leading to rust.
3. AIR FILTER
Plastic mesh air lters remove dirt or dust from the
air, and keep the condenser from getting clogged.
If the filters get clogged, the refrigerator/freezer’s
performance will be reduced.
Check the lter at least twice a month. When clogged
or when the temperature controller shows “cH”, use
warm water and a neutral cleaner to wash the lter.
Do not operate the unit with the air lter removed, or
the condenser will get clogged, resulting in failure.
1)Remove the screw under the front panel and open
the front panel.
2) Remove the air lter from the condenser.
3) Wash the air filter carefully with cold or warm
water containing the proper amount of neutral
cleaner. Rinse and dry the air lter thoroughly.
4) To ret the air lter, put the two tabs into the heat
exchanger line or ns in the condenser, and tightly
attach the air lter over the condenser.
Fig. 13
4. BEFORE CALLING A SERVICE AGENT
IMPORTANT
1. If the screen on the operation panel indicates
an error code or something seems wrong
with the unit, check for possible causes
according to the following instructions. If the
problem still exists, immediately contact an
authorized Hoshizaki service company.
2. When contacting a service company, let them
know the model name, serial number, date of
installation (see warranty card) and state of
the trouble.
3. Do not attempt to repair the unit yourself.
Fig. 17
front panel
screw condenser air filter

ENGLISH
7
[a] TROUBLES WITH ERROR CODE INDICATION
Code Possible Cause Remedy
E1 Cabinet sensor
error
Immediately contact an
authorized Hoshizaki service
company.
E2 Evaporator
sensor error
E3 Condenser
sensor error
cH Condenser high
temperature
alarm
Clean the air lter. If the problem
cannot be resolved, immediately
contact an authorized Hoshizaki
service company.
* The code “dEF” is not an error code but indicates
the unit is in defrost cycle.
[b] TROUBLES WITHOUT ERROR CODE
INDICATION
1) Unit fails to operate:
(1) Unplugged.
(2) Power failure.
(3) Main power supply disconnected.
2) Poor cooling performance:
(1) Ambient temperature too high.
(2) Door(s) opened too often.
(3) Cabinet temperature setting too high.
(4) Too packed with foods or air inlet/outlet
blocked.
(5) Air lter not clean.(freezer only)
(6) Door(s) left open.
(7) Warm or hot foods inside.
(8) Unit in defrost process. The cabinet
temperature may rise temporarily during
defrost cycle but will not a󰀨ect the foods inside.
3) Condensation around door(s):
(1) Ambient humidity too high.
(2) Door(s) not closed tightly.
4) Noise:
(1) Normal operating sounds from compressor,
condenser fan motor or Interior fan motor.
(2) Installed on an unsteady floor. Contact an
authorized Hoshizaki service company.
(3) Not leveled in the left-to-right or front-to-rear
directions. Contact an authorized Hoshizaki
service company.
5) Frosting inside compartment:
(1) Ambient humidity too high.
(2) Door(s) opened too often.
5. DISPOSAL
When disposing of the refrigerator/freezer, contact
an authorized Hoshizaki service company or a
specialized waste disposal company.
IMPORTANT
The insulation foaming agent used
for the unit body contains ammable
gas cyclopentane. With this in mind,
dispose of the refrigerator/freezer
properly.
6. WARRANTY
Hoshizaki warrants to the original owner/user that all
Hoshizaki branded products shall be free of defects
in material and/or workmanship for the duration of
the “warranty period”. The warranty shall be e󰀨ective
for one year from the date of installation.
Hoshizaki’s liability under the terms of the warranty
are limited and shall exclude routine servicing,
cleaning, essential maintenance and/or repairs
occasioned by misuse and installations not in
accordance with Hoshizaki guidelines.
Warranty repairs should be completed by an
approved Hoshizaki dealer or service agency using
genuine Hoshizaki components.
To obtain full details of your warranty and approved
service agency, please contact your dealer/supplier,
or the nearest Hoshizaki Service o󰀩ce.

Contact: Hoshizaki Shanghai Co., Ltd.
Room 501, Tower 1, Kerry Enterprise Centre, 128 Tianmu Road West,
Jing’an District, Shanghai, 200070 China
Tel: [phone] Fax: [phone]
Hoshizaki Hong Kong Co., Limited
Unit G, 17/F, World Tech Center, No. 95 How Ming Street,
Kwun Tong, Kowloon, Hong Kong
Tel: [phone] Fax: [phone]
Hoshizaki Singapore Pte Ltd
18 Boon Lay Way #07-142 Tradehub 21, Singapore 609966
Tel: [phone] Fax: [phone]
Hoshizaki Taiwan, Inc.
5F, No. 337, Sec. 1, Dunhua S. Rd., Da’an Dist, Taipei City 106, Taiwan (R.O.C.)
Tel: [phone] Fax: [phone]
Hoshizaki Lancer Pty Ltd
5 Toogood Avenue, Beverley SA 5009 Australia
Tel: [phone] Fax: [phone]
[email protected] http://www.hoshizaki.com.au
To register your product for warranty with Hoshizaki, visit
http://www.hoshizaki.com.au/warranty-registration
or scan the QR code.
Manufacturer:
No. 15 Qingqiu Street, Suzhou Industrial Park, Suzhou 215126 China
Tel: [phone]
Fax: [phone]
Shanghai
Lancer