Hoshizaki Steelheart PT1A-HS-HS Instruction Manual
Hoshizaki Steelheart PT1A-HS-HS Instruction Manual

Hoshizaki Steelheart PT1A-HS-HS Instruction Manual

Refrigerated kitchen equipment, upright refrigerator a-series, upright 2-section freezer a-series

Advertisement

Quick Links

Instruction Manual
Steelheart Series
Refrigerated Kitchen Equipment
Models
Upright Refrigerator A-Series
Upright 2-Section Freezer A-Series
hoshizakiamerica.com
Issued: 3-19-2025

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Steelheart PT1A-HS-HS and is the answer not in the manual?

Questions and answers

Summary of Contents for Hoshizaki Steelheart PT1A-HS-HS

  • Page 1 Instruction Manual Steelheart Series Refrigerated Kitchen Equipment Models Upright Refrigerator A-Series Upright 2-Section Freezer A-Series hoshizakiamerica.com Issued: 3-19-2025...
  • Page 2 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 E-mail: tech-support@hoshizakiamerica.com...
  • Page 3: Table Of Contents

    IMPORTANT This manual should be read carefully before the appliance is installed and operated. Read the warnings and guidelines contained in this booklet carefully as they provide essential information for the continued safe use and maintenance of the appliance. Retain this booklet for any further reference that may be necessary. CONTENTS Important Safety Information ....................
  • Page 4: Important Safety Information

    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. R-290 Class A3 Flammable Refrigerant Used Indicates a hazardous situation that, if not avoided, will result in DANGER death or serious injury.
  • Page 5 DANGER continued Risque D'Incendie ou D'Explosion • The appliance shall be stored in a room Fluide Frigorigène Inflammable Utilisé without continuously operating ignition sources (for example: open flames, an • Seuls des techniciens de service qualifiés operating gas appliance, or an operating doivent installer et entretenir l'appareil.
  • Page 6 DANGER continued • Vérifier que le câblage ne sera pas soumis • Les pièces doivent être remplacées par des pièces similaires, de manière à l'usure, à la corrosion, à une pression à réduire au minimum le risque excessive, à des vibrations, à des arêtes d'inflammation dû...
  • Page 7 WARNING • THE APPLIANCE MUST BE • The appliance should be destined only to the use for which it has been expressly GROUNDED. The appliance is equipped conceived. Any other use should be with a NEMA 5-15 three-prong grounding considered improper and therefore plug to reduce the risk of potential dangerous.
  • Page 8 WARNING continued • The appliance is not intended for use by • Do not place any product on the floor of persons (including children) with reduced the cabinet. All product must be placed on physical, sensory, or mental capabilities, or properly installed shelves.
  • Page 9 NOTICE • 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 "V.
  • Page 10: Specifications

    I. Specifications A. Construction Top Panel Side Panel Defrost Thermistor Power Cord Compressor Front Panel Control Panel Control Module Door Switch Cabinet Thermistor Casters Model Shown: F1A-FS...
  • Page 11: Electrical And Refrigerant Data

    B. Electrical and Refrigerant Data The nameplate provides electrical and refrigerant data and Year of Manufacture (YOM). The nameplate is located on the rear panel. For certification marks, see the nameplate. We reserve the right to make changes in specifications and design without prior notice. Model Number R1A-FS(-FSL)(-FSJ)(-FSLJ) R2A-FS(-FSN)(-FSC)(-HS)
  • Page 12 Model Number F3A-FS(-HS) AC SUPPLY VOLTAGE ~115/60/1 AMPERES DESIGN PRESSURE kPa (PSI) HI-2482 (360) LO-1310 (190) REFRIGERANT g (oz.) R-290 115 (4.1) CLIMATIC CLASS INSULATION BLOWING GAS HFO 1233zd(E) MINIMUM ROOM FLOOR AREA m² (ft² ) 5.5 (59.2) Model Number DT1A-HS Refrigerator Freezer...
  • Page 13: Installation Instructions

    II. Installation Instructions A. Location This appliance is approved for indoor use. This appliance uses an A3 flammable refrigerant. For refrigerant charge and minimum room floor area, see the table below. DANGER R-290 Class A3 Flammable Refrigerant Used Minimum Room Floor Area (operating or storage) Superficie Minimale du Local R-290 Refrigerant...
  • Page 14 DANGER continued R-290 Refrigerant Charge: • If greater than 114 g (4 oz.), do not install in public corridor or lobby. • If greater than 152 g (5.3 oz.), do not install within 6 m (20 ft) of open flame. Charge de réfrigérant R-290: •...
  • Page 15: Checks Before Installation

    B. Checks Before Installation WARNING Refer to the nameplate for electrical specifications. The nameplate is located on the right side wall of the 1 and 2 section cabinet interior and the rear wall of the 3 section cabinet interior. For more electrical connection details, see "I.G. Electrical Connection."...
  • Page 16: Setup

    C. Setup 1. Caster or Optional 6 in. Leg Installation and Leveling the Appliance a) Caster or Optional 6 in. Leg Installation 1) Move as close to the final location as possible. 2) Remove the 2 bolts securing the appliance to the pallet, then remove the appliance from the pallet.
  • Page 17: Dt1A-Hs Heated Condensate Pan Installation

    D. DT1A-HS Heated Condensate Pan Installation WARNING Failure to install the heated condensate pan in accordance with this manual could adversely affect safety and result in costly water damage. 1) Remove the heated condensate pan and heated condensate pan bracket from the accessory bag.
  • Page 18 5) Replace the channel cover in its correct position. 6) Route the drain hoses into the heated condensate pan assembly. See Fig. 7. Warning! Confirm that the drain hoses does not contact the heater. Adjust as necessary. 7) Using a nylon tie from the accessory bag, secure the heated condensate pan power supply cord to one of the drain hoses.
  • Page 19: Food Cart Ramp (Roll-In/Roll-Thru Appliances)

    E. Food Cart Ramp (Roll-In/Roll-Thru Appliances) Confirm the area where the appliance is to be installed is flat and level. 1) Place the appliance in position, then seal the perimeter where the appliance contacts the floor with approved caulk compound in a smooth and easily cleanable manner. See Fig.
  • Page 20 4) Loosen the door sweep bracket adjustment screws. See Fig. 12. Door Sweep Bracket Door Sweep Door Sweep Bracket Ramp Adjustment Screws Fig. 12 5) Adjust the door sweep so that the door sweep touches the ramp when the door is closed.
  • Page 21: Door Reversal

    F. Door Reversal This appliance is provided with a cabinet design which, after being delivered to the installation location, permits changing of the door swing from left to right or right to left. WARNING • Wear proper PPE (personal protection equipment) when executing these procedures (safety glasses and gloves).
  • Page 22 4) Remove the lower hinge bracket and thrust washer. See Fig. 17. Retain thrust washer for opposite side lower hinge bracket installation. Remove the filler screws from the opposite side lower hinge bracket holes and mount them into the holes of the removed lower hinge bracket.
  • Page 23 8) Clear foam from the spring cartridge hole to allow for spring cartridge installation. Install the spring cartridge and secure it to the door using the spring cartridge screws removed in step 6. See Fig. 22. Next, align the upper hinge bracket to the door in the orientation that allows for closed door installation.
  • Page 24: Half Solid Door Reversal

    2. Half Solid Door Reversal Note: Hinge brackets, and spring cartridge are universal and can be used in both left and right-hinged applications. Example shows change from right hinged to left hinged. 1) Lock the casters. 2) Remove the front panel, then being careful not to pull the wires on the control module and door switch(es), remove the control panel.
  • Page 25 5) Remove the filler screws from the opposite side upper hinge bracket holes and mount them into the holes of the removed upper hinge bracket. NOTICE! Be sure to reuse the hinge bracket screws for mounting the hinge bracket as the hinge bracket screws are 5×12 and filler screws are 5×10.
  • Page 26 9) Remove the lower hinge bracket spring cartridge screw, washer, and thrust washers from the door. Set the door aside. Next, secure the lower hinge bracket to the opposite side. Make sure the lower thrust-washers are in place. See Fig. 31. Washer Thrust Washers (2) Spring Cartridge Screw...
  • Page 27 13) Place the center hinge bracket lower pin with thrust washer into the nylon bearing on top of the door. Secure the center hinge bracket to the cabinet. See Fig. 34. Center Hinge Bracket Nylon Bearing Thrust Washer Thrust Washers (2) Lower Door Fig.
  • Page 28 16) Make sure the center hinge bracket upper thrust washer is in place on top of the center hinge bracket upper pin. 17) Align the upper hinge bracket to the upper door in the orientation that allows for closed door installation. Make sure the thrust washers are in place between the upper hinge bracket and upper door, then secure the upper hinge bracket to the door using the spring cartridge screw and washer removed earlier.
  • Page 29: Full Glass Door Reversal

    Wrench A: 1 - 11/16" (17 mm) Thin Open End Tappet Wrench Wrench B: 1 - 5/16" (8 mm) Thin Open End Tappet Wrench Loctite Thread Locker Blue 242 or 243 Note: Hoshizaki wrenches and Loctite Thread Locker Blue are available through your local distributer. Wrench A: 3A8298-01, Wrench B: 3A8299-01, and Loctite Thread Locker Blue 243: 8504-0304 (10 ml bottle).
  • Page 30 7) Open the door. Using a flat head screwdriver, unhinge the lower hinge arm from the lower hinge bracket. See Fig. 41. Lower Hinge Lower Hinge Lower Hinge Lower Hinge Fig. 41 Bracket Bracket 8) Close the door, then remove the screws securing the upper hinge bracket. See Fig. 42. 9) Lift the door off the lower hinge bracket and set aside.
  • Page 31 12) Remove the hardware from the lower hinge bracket. Apply Loctite Thread Locker Blue 242 or 243 to the bottom hinge bushing threads then place it and the slide pin in place on the lower hinge bracket. See Fig. 44. Note: Make sure the fittings are properly aligned, then start the connection by hand to ensure that it is not cross threaded.
  • Page 32 15) Rotate the door 180 degrees and place the lower hinge in its new position and secure. See Fig. 47. 16) Place the upper hinge in its new position on the door. Door (Bottom) Upper Hinge Bracket Tension Rod Lower Hinge Bracket Door (Top) Fig.
  • Page 33 19) Close the door. Make sure the upper hinge bracket lock nut is loose. 20) Level the door by sliding the backer plate to the left or to the right, then tighten the slide pin and bottom hinge bushing with a wrench until it is tight. See Fig. 50. Next, mark a reference line on the bracket and bushing then tighten the fitting an additional 1/8 turn.
  • Page 34: Half Glass Door Reversal

    4. Half Glass Door Reversal Special Tools Required: Wrench A: 1 - 11/16" (17 mm) Thin Open End Tappet Wrench Wrench B: 1 - 5/16" (8 mm) Thin Open End Tappet Wrench Note: Hinge brackets are universal and can be used in both left and right-hinged applications.
  • Page 35 7) Open the upper door. Using a flat head screwdriver, unhinge the upper hinge arm from the upper hinge bracket. See Fig. 55. Center Hinge Center Hinge Upper Hinge Upper Hinge Bracket Bracket Fig. 55 8) Close the upper door, while maintaining a hold on the door, remove the upper hinge bracket, then lift the door off the center hinge bracket upper pin and set aside.
  • Page 36 10) Close the lower door. While supporting the lower door, remove the screws supporting the center hinge bracket, then lift the lower door (with center hinge bracket) from the lower hinge bracket and set aside. See Fig. 58. 11) Remove the lower hinge bracket, then move the filler screws for the upper, center, and lower hinge brackets to the opposite side of the cabinet.
  • Page 37 13) Remove the lock nut and tension rod from the center hinge bracket. See Fig. 61 Rotate the center hinge bracket 180 degrees, then replace the tension rod and lock nut on the center hinge bracket. Washer Washer Center Hinge Center Hinge Thrust Thrust...
  • Page 38 18) Rotate the lower door (making it the upper door) 180 degrees. Rotate the lower hinge bracket 180 degrees. Confirm the thrust washer is in place on the door, then place the new upper hinge bracket onto the upper door pin. See Fig. 65. Upper Hinge Bracket Upper Hinge...
  • Page 39 21) Make sure the center hinge bracket lock nut is loose. 22) Level the doors. If the doors are out of level, loosen the backer plate of the appropriate hinge bracket, slide the backer plate to the left or to the right, then tighten the slide pin and bottom hinge bushing with a wrench until it is tight.
  • Page 40: Electrical Connection

    G. Electrical Connection WARNING • Electrical connection must meet national, state, and local electrical code requirements. Failure to meet these code requirements could result in death, electric shock, serious injury, fire, or severe damage to equipment. • This appliance requires an independent power supply of proper capacity. See the nameplate for electrical specifications.
  • Page 41: Final Checklist

    H. Final Checklist 1) Is the appliance level? 2) Have the front casters been locked? 3) Is the appliance in a site where the ambient temperature is as specified below all year around? – Refrigerators and Solid Door Freezers 45°F to 100°F (7°C to 38°C) –...
  • Page 42: Operating Instructions

    III. Operating Instructions R-290 Class A3 Flammable Refrigerant Used DANGER Risk of Fire or Explosion Flammable Refrigerant Used • Be sure to follow all Important Safety Information located at the beginning of this manual. • Failure to install, operate, and maintain the appliance in accordance with this manual will adversely affect safety, performance, component life, and warranty coverage.
  • Page 43 WARNING continued • 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 put warm or hot foods in the cabinet. Let them cool first, or they will raise the cabinet temperature and could deteriorate other foods in the cabinet or overload the appliance.
  • Page 44: Startup

    B. Startup WARNING • All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. • To reduce the risk of electric shock, do not touch the plug with damp hands. IMPORTANT At startup, there is a slight delay before the compressor starts. 1) Plug the appliance into the electrical outlet.
  • Page 45: Adjusting The Temperature Setpoint

    2. Adjusting the Temperature Setpoint The temperature setpoint is the value for the average cabinet temperature. The temperature differential for the compressor to turn on and off is ±3°F (±1.7°C) of the temperature setpoint. For example, for a refrigerator temperature setpoint of 36°F (2°C), the compressor comes on at 39°F (3.7°C), and the compressor goes off at 33°F (0.3°C).
  • Page 46: Control Module Buttons And Icons

    D. Control Module Buttons and Icons Control module icons inform you of energized components and if the appliance is in alarm. Control Module Icons Icon Meaning Compressor Compressor running. Defrost Appliance is in defrost cycle. See "II.E. Defrost" for details. Evaporator Fan Motor Evaporator fan motor is running.
  • Page 47: Defrost

    E. Defrost DANGER Risk of Fire or Explosion Flammable Refrigerant Used • Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer. • Do not puncture refrigerant tubing. Risk of fire or explosion due to puncture of refrigerant tubing;...
  • Page 48: Food Storage

    F. Food Storage WARNING • This appliance is designed only for 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. •...
  • Page 49: Alarm Safeties

    G. Alarm Safeties Alarm signals are designed to protect the appliance and food product. These alarms give information or warnings in the event the appliance is operating out of acceptable parameters. Should one of the alarms occur, follow the instructions in the table below to address the alarm.
  • Page 50: Safety Devices

    Note: Time may vary with compressor overload or high-pressure switch activation. 3. High-Pressure Switch If pressure on the high-side of the appliance exceeds Hoshizaki specifications, the high-pressure switch activates and interrupts the compressor circuit, de-energizing the compressor until the pressure returns to an acceptable level.
  • Page 51: Maintenance

    IV. Maintenance This appliance must be maintained in accordance with the instruction manual and labels provided with the appliance. Consult with your local Hoshizaki Certified Service Representative about maintenance service. To obtain the name and phone number of your local Hoshizaki Certified Service Representative, visit www.hoshizakiamerica.com.
  • Page 52: Cleaning Instructions

    B. Cleaning Instructions WARNING • Before cleaning the appliance, press and hold the standby button to turn "OFF" the appliance, unplug the appliance to prevent electric shock by unexpected entrance of water into the appliance or injury by moving parts. To reduce the risk of electric shock, do not touch the plug with damp hands.
  • Page 53 Fig. 76 9. Power Supply Connection If the plug or power cord is damaged, contact your local Hoshizaki service representative or local Hoshizaki distributor immediately and ask for repairs. All other maintenance or service on this appliance should be performed in accordance...
  • Page 54: Preparing The Appliance For Periods Of Non-Use

    V. Preparing the Appliance for Periods of Non-Use When shutting down the appliance for periods of non-use, follow the instructions below. WARNING • When preparing the appliance for long storage, prevent the doors or drawers from closing to reduce the risk of children getting trapped. •...
  • Page 55: Decommissioning And Disposal

    VI. Decommissioning and Disposal R-290 Class A3 Flammable Refrigerant Used DANGER Risk of Fire or Explosion Flammable Refrigerant Used • Only qualified service technicians should install and service the appliance. • Follow handling instructions carefully in compliance with national regulations. •...
  • Page 56 618 Hwy. 74 South, Peachtree City, GA 30269 USA (P) 770.487.2331 (F) 770.487.3360 hoshizakiamerica.com 1A8261-010...

Table of Contents