Hoshizaki PTR1SSB Instruction Manual

Hoshizaki America, Inc.

Hoshizaki

®

TempGuard Pass-Thru Refrigerator

Models

PTR1SSB-xxxx

“A Superior Degree

of Reliability”

www.hoshizaki.com

INSTRUCTION MANUAL

™

Issued: 9-19-2002
Revised: 10-30-200

6

IMPORTANT

Only qualified service technicians should attempt to install, service or maintain
this unit. No installation, service or maintenance should be undertaken until the
technician has thoroughly read this Instruction Manual. Likewise, the owner/
manager should not proceed to operate the unit until the installer has instructed
them on its proper operation.

HOSHIZAKI provides this manual primarily to assist qualified service technicians in the
installation, maintenance and service of the unit.

Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, write or send an e-mail message to the HOSHIZAKI Technical
Support Department for assistance.

HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269

Attn: HOSHIZAKI Technical Support Department

Phone: [phone] Technical Service
[phone]
Fax: [phone]
[phone]
E-mail: [e-mail]

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

• Please review this manual. It should be read carefully before the unit is installed and
operated. Only qualified service technicians should install, service and maintain the unit.
This manual should be made available to the technician prior to installation, maintenance
or service.

• Keep this manual with the unit for later reference.

CONTENTS

I. Specifications ...................................................................................................................... 4

A. Nameplate Rating ......................................................................................................... 4

B. Dimensions ................................................................................................................... 5

II. Installation Instructions ...................................................................................................... 6

A. Location ........................................................................................................................ 6

B. Checks Before Installation ............................................................................................. 6

C. How to Open the Front Panel ........................................................................................ 7

D. Setup ............................................................................................................................. 7

E. Electrical Connection .................................................................................................... 7

F. Door Reversing (Stainless Steel Doors Only) ................................................................ 7

G. Final Checklist .............................................................................................................. 8

III. Operating Instructions ....................................................................................................... 9

A. Startup .......................................................................................................................... 9

B. Cabinet Temperature ..................................................................................................... 9

1. Current Temperature Display ................................................................................... 9

2. Temperature Setpoint .............................................................................................. 9

C. Defrost ........................................................................................................................ 10

D. Temperature Display Scale (°F or °C) ......................................................................... 10

E. Perimeter Frame Heater .............................................................................................. 10

IV. Cleaning and Maintenance Instructions .......................................................................... 11

A. Cleaning ...................................................................................................................... 11

1. Exterior .................................................................................................................. 11

2. Interior ................................................................................................................... 11

3. Door Gaskets ......................................................................................................... 11

4. Shelves .................................................................................................................. 11

5. Glass Door ............................................................................................................. 11

B. Maintenance ................................................................................................................ 11

1. Air Filter ................................................................................................................. 11

2. Condenser ............................................................................................................. 11

V. Alarm Signals .................................................................................................................. 12

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I. Specifications

REFRIGERATOR

MOTOR-COMPRESSOR THERMALLY PROTECTED

Hoshizaki America, Inc.

Griffin, GA

� � � ������ � �www.hoshizaki.com

LISTED
COMM

ERCIAL

REFRIGE

RATOR
AND/OR FREEZER
4F7

3

A. Nameplate Rating

MODEL NAME PTR1SSB-xxxx
SERIAL NUMBER
AC SUPPLY VOLTAGE 115/60/1
AMPERES 12.0
DESIGN PRESSURE-HI (PSI) 450
DESIGN PRESSURE-LO (PSI) 250
REFRIGERANT TYPE 404A
REFRIGERANT AMOUNT (OZ) 15.5

See the nameplate for electrical and refrigeration specifications. The nameplate is located
on the right side wall of the cabinet interior.

We reserve the right to make specification and design changes without prior notice.

4

B. Dimensions

Total Refrigerated

Volume

674 l (23.8 ft

3)

PTR1SSB-xxxx

Total Shelf Space

1.26 m2 (13.6 ft2) • Glass on both sides – 2,146.2 mm (84.7 in.)

• Glass on one side and solid on the other – 2,161.6 mm (85.3 in.)

• Solid on both sides – 2,177 mm (85.9 in.)

NOTES:

1) Units: mm (in.)

2) Legs have 25.4 mm (1 in.) height adjustment

Depth with Doors Open

5

II. Installation Instructions

A. Location

CAUTION

This unit is not intended for outdoor use. The air temperature should be within
a +45°F to +100°F (+7°C to +38°C) range. Extended periods of operation at
temperatures exceeding these limitations may cause unsatisfactory results.

For best operating results:

• The machine should be on a flat, level and solid foundation.

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

• The unit should not be near ovens, grills or other high heat producing equipment.

• The unit should be a minimum of 4 inches (102 mm) from side walls. More clearance may
be necessary depending on the door combination of the unit.

• A minimum of 10 inches (254 mm) overhead clearance should be provided for proper
ventilation.

• Position unit for convenient usage of front and rear doors.

B. Checks Before Installation

IMPORTANT

Refer to the nameplate for electrical specifications. The nameplate is located
on the right side wall of the cabinet interior. We reserve the right to make
specification and design changes without prior notice.

1) All tape, packing material and shipping cartons should be removed from the machine
prior to installation. The equipment should be inspected for any damage which may
have occurred during shipment. Concealed damage claims must be filed with the
carrier.

2) Visually check that the refrigerant lines do not rub or touch other lines or surfaces and
that the fan blades turn freely.

3) Check that the compressor is snug on all mounting pads.

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

5) To remove the unit from the skid:

(a) Move as close to the final location as possible.

(b) Remove the four 5/8 in. bolts that secure the cabinet to the skid.

(c) Block the cabinet securely, at a height of 8 inches (203 mm) off the floor. Do not lay

the unit down.

(d) Attach the adjustable legs (or optional casters) to the bottom of the cabinet.

6

C. How to Open the Front Panel

1) Push the front panel up approximately 1/2 inch
(13 mm) until it is disengaged from the locking
collars and stops.

2) Rotate the panel up and away from the face of
the unit until it stops once more.

3) Pull the front panel forward until the hinge
assembly is in the locked position.

PULL FORWARD

3

ROTATE

2

PUSH UP

1

FRONT PANEL

LOCKING COLLAR

D. Setup

1) Position the unit in the selected location. Level the unit in both the front-to-back and
side-to-side directions. Turn the bottom portion of the legs to lower or raise them.

2) Install the shelves using the shelf support clips provided in the accessory pack.
Indexing holes are provided on the pilasters in evenly spaced intervals to assist you in
positioning the support clips at the same height.

E. Electrical Connection

Cord-connected units should only be plugged into a 115 volt ±10%, 60 Hz. circuit with a
national and local electrical code approved, grounded wall receptacle. An independent
circuit with its own circuit breaker (HACR type) or fuse (LP-CC type) should be provided.
Refer to the nameplate for the proper electrical specifications.

WARNING

Failure to use a proper breaker or fuse can result in tripped breaker, blown
fuses or damage to existing wiring.

F. Door Reversing (Stainless Steel Doors Only)

This unit is provided with a cabinet design which, after being delivered to the installation
location, permits changing the door swing of stainless steel doors from left to right or
right to left. To change the door swing, special accessories are required. If installed
improperly, the doors will not close and seal correctly. Contact HOSHIZAKI Technical
Support or your local HOSHIZAKI distributor if door reversing is desired.

7

G. Final Checklist

1) Is the unit level?

2) Is the unit located in a site where the ambient temperature will be within the +45°F to
+100°F (+7°C to +38°C) range all year around?

3) Is there at least 10 inches (254 mm) overhead clearance for proper ventilation?

4) Have all shipping cartons, tapes and packing materials been removed from the unit?

5) Has the power supply been checked or tested against the nameplate rating?

6) Have the shelves been properly installed?

7) Has the unit been checked for shipping damage?

8) Has the warranty tag been filled out and forwarded to the factory for warranty
registration?

8

III. Operating Instructions

A. Startup

Open the front panel for access to the power switch—located on the front of the control
box—and turn the switch on. Allow the unit to pull down prior to loading it with food
products.

IMPORTANT

At startup, there is a 2 1/2 minute normal delay before the compressor starts.

B. Cabinet Temperature

1. Current Temperature Display

• The cabinet temperature is displayed on the control panel. The display default is °F, but
it can be changed to read °C. To change, see "D. Temperature Display Scale (°F or °C)".

• The cabinet temperature is updated every 20 seconds.

2. Temperature Setpoint

The temperature setpoint is the value for the average cabinet temperature. For example,
setpoint = 36°F, compressor on at 39°F, compressor off at 33°F. If necessary, adjust the
setpoint temperature as follows:

1) Press and hold the up/down arrows simultaneously for 3 seconds. The current setpoint
temperature will be displayed.

2) To change the setpoint, press the up/down arrows until the desired value is displayed.
The cabinet temperature is adjustable between 36°F and 50°F (2.2°C and 10°C). The
factory default is 36°F (2.2°C).

3) Press "ENTER" to set the value and view the next setting. If no change in the value
is desired, press "ENTER", and the next setting will be displayed. At the end of the
sequence, press "ENTER", and the unit will return to normal display mode.

Important Note: For the change to take effect, you must cycle through the menu until

you return to the normal display.

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C. Defrost

This unit uses an off-cycle defrost. When a sensor in the evaporator coil reaches the
initiation setpoint, the unit enters defrost. When the sensor reaches the termination
setpoint, the unit ends defrost.
Units with a control board of revision level R23 or later (board revision level can be seen
on display at power up) also feature an adjustable time-initiated defrost along with the
normal temperature-initiated defrost.
The time-initiated defrost is factory set for normal conditions. Before changing this
setting, contact the HOSHIZAKI Technical Support Department for recommendations. If
necessary, adjust the time-initiated defrost frequency as follows:

1) Press and hold the up/down arrows simultaneously for 3 seconds. Press "ENTER" until
the dF frequency is displayed.

2) To change the time-initiated defrost frequency, press the up/down arrows until the
desired value is displayed. The defrost frequency is adjustable between 0 and 12
defrosts per 24 hours. The factory default is 6.

3) Press "ENTER" to set the value and view the next setting. If no change in the value is
desired, press "ENTER" and the unit will return to normal display mode.

Important Note: For the change to take effect, you must cycle through the menu until

you return to the normal display.

Note: The change in the defrost setting will take effect after the next defrost based on

the previous setting. If it is desired that this change in interval timing take effect
immediately, turn the unit off and back on. The next time-initiated defrost will take
effect "x" hours after power is resupplied. For example, if the setting is dF 6, x=4
and the next defrost will take place 4 hours from the time that power is applied.

D. Temperature Display Scale (°F or °C)

To change the display scale, follow the steps below.

1) Press and hold the up/down arrows simultaneously for 3 seconds. Press "ENTER" until
the F or C temperature display scale is displayed.

2) To change the temperature display, press the up/down arrows until the desired scale is
displayed. The factory default is F.

3) Press "ENTER" to set the value and return to normal display mode.

Important Note: For the change to take effect, you must return to the normal display.

E. Perimeter Frame Heater

This unit is equipped with a perimeter frame heater. This prevents the formation of
condensate on the front frame of the unit under high humidity conditions. If operating the
unit under conditions where condensate will not form, these heaters may be turned off
using the switch on the control box.

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IV. Cleaning and Maintenance Instructions

A. Cleaning

1. Exterior

Wipe the exterior occasionally with a clean, soft cloth. Use a damp cloth containing a
neutral cleaner to wipe off oil or dirt build up.

2. Interior

Spills should be wiped up promptly to avoid unpleasant odors. The cabinet interior
should be cleaned periodically with a mild soap or detergent.

3. Door Gaskets

Door gaskets should be cleaned regularly with mild soap and water to remove dirt and
grease.

4. Shelves

Remove and clean regularly.

5. Glass Door

Wipe the exterior occasionally with a clean, soft cloth. Use a damp cloth containing a
neutral cleaner to wipe off oil or dirt build up.

B. Maintenance

1. Air Filter

Check the filter at least once a month. If it is dirty, use warm water and a neutral cleaner
to wash the filter. The filter is located behind the upper-front panel. This filter can be
removed by deflecting the retainer bracket and pulling the filter forward. The filter can
also be removed by pulling it straight up if there is at least 12 inches (305 mm) clearance
above the unit.

2. Condenser

Check the condenser (located behind the air filter) once a year and use a brush or
vacuum cleaner to clean the unit as required.

All other maintenance or service on this unit should be performed in accordance with the
Hoshizaki Service Manual by a qualified service technician.

11

V. Alarm Signals

If an error occurs, the alarm code and cabinet temperature are displayed in 2-second
intervals and an alarm sounds.

Alarm Signals

Alarm

Alarm Code

E1

Sound Problem Reset Options

3 beeps

every ten

seconds

High Temperature Alarm

Cabinet temperature has exceeded set
temperature by 10°F (5.6°C) for more
than 2 hours.

Press "RESET." If temperature has
returned to setpoint range, alarm will stop
and "E1" will clear.

If temperature is not back in range,
"RESET" will silence the alarm for 5
minutes. "E1" will continue to flash.
If obvious corrections do not bring
temperature back in range, call a
qualified service technician.

E2

E4

E6

E7

4 beeps

every ten

seconds

6 beeps

every ten

seconds

8 beeps

every ten

seconds

9 beeps

every ten

seconds

Low Temperature Alarm

Cabinet temperature has remained below
setpoint by 8°F (4.4°C) for more than 1
hour.

High Pressure Alarm

Compressor discharge pressure is
outside normal operating range. Pressure
switch has been triggered 3 or more
times in 1 hour.

High Voltage Alarm

Line voltage has been too high for
at least 10 seconds. To protect the
compressor, the compressor has shut
down.

Low Voltage Alarm

Line voltage has been too low for at least
10 seconds. To protect the compressor,
the compressor has shut down.

Press "RESET." If temperature has
returned to setpoint range, alarm will stop
and "E2" will clear.

If temperature is not back in range,
"RESET" will silence the alarm for 5
minutes. "E2" will continue to flash.
If obvious corrections do not bring
temperature back in range, call a
qualified service technician.

Press "RESET." If pressure switch resets
automatically, alarm will stop and "E4"
will clear when pressure switch closes.

If switch trips 5 times in 1 hour,
compressor will be stopped and will
not re-start. A service technician must
be called. After the 5th pressure trip,
the alarm can be silenced for 1 hour by
pressing "RESET."

Alarm automatically resets when
acceptable voltage is detected.

Press "RESET" to silence alarm for 5
minutes. If this alarm occurs frequently, it
is recommended that a qualified service
technician be called.

Alarm automatically resets when
acceptable voltage is detected.

Press "RESET" to silence alarm for 5
minutes. If this alarm occurs frequently, it
is recommended that a qualified service
technician be called.

12

Alarm Code

E8

Alarm Signals

Alarm
Sound Problem Reset Options

Constant

buzzer

Cabinet Temperature Sensor Malfunction
Alarm

Cabinet temperature sensor has failed.

Call a qualified service technician. After
replacing sensor, alarm will reset.

During alarm, press "RESET" to silence
buzzer for 5 minutes.

E9

CF

door

(except

units with

glass doors)

Constant

buzzer

1 beep

every ten

seconds

2 beeps

every ten

seconds

Defrost Temperature Sensor Malfunction
Alarm

Defrost temperature sensor has failed.

Clogged Filter Alarm

Condenser filter needs cleaning.

Door Alarm

Display Only: Door open.
Both Display and Beeps: Door open
longer than 3 minutes.

Call a qualified service technician. After
replacing sensor, alarm will reset.

During alarm, press "RESET" to silence
buzzer for 5 minutes.

Clean filter. Allow time for sensor to react,
then press "RESET."

During alarm, press "RESET" to silence
alarm for 2 hours.

If this alarm occurs frequently, it is
recommended that a qualified service
technician be called. Failure to take
action when this alarm activates could
result in damage to the compressor.

Close door. During alarm, press "RESET"
to silence buzzer for 3 minutes.

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HOSHIZAKI AMERICA, INC.

618 Hwy. 74 S., Peachtree City, GA 30269 USA TEL [phone] FAX [phone] www.hoshizaki.com 91A3GA10B

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