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ThermoForma Power Plus 8500 Series Operating And Maintenance Manual

Upright freezers 17 and 23 cu. ft. capacity
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Models:
8515 and 8520
8580 and 8583
Power Plus™
Upright Freezers
17 and 23 cu. ft. capacity
Operating and Maintenance Manual
Manual No: 7028515
Rev. 7

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Summary of Contents for ThermoForma Power Plus 8500 Series

  • Page 1 Models: 8515 and 8520 8580 and 8583 Power Plus™ Upright Freezers 17 and 23 cu. ft. capacity Operating and Maintenance Manual Manual No: 7028515 Rev. 7...
  • Page 2 Model 8515 Series ________________________________________________________________________________ Read This Instruction Manual. CAUTION Failure to read, understand and follow the instructions in Contains Parts and Assemblies this manual may result in damage to the unit, injury to operat- Susceptible to Damage by Electrostatic Discharge (ESD) ing personnel, and poor equipment performance.
  • Page 3 Model 8515 Series ________________________________________________________________________________ Important operating and/or maintenance instructions. Read the accompanying text carefully. Ce symbole attire l'attention de l'utilisateur sur des instructions importantes de fonctionnement et/ou d'entretien. Il peut être utilisé seul ou avec d'autres symboles de sécurité. Lire attentivement le texte d'accompagnement. Wichtige Betriebs- und/oder Wartungshinweise.
  • Page 4 Model 8515 Series ________________________________________________________________________________...

  • Page 5: Table Of Contents

    Model 8515 Series ________________________________________________________________________________ Table of Contents Section 1 - Receiving ......2 - 1 Section 5 - Routine Maintenance .

  • Page 6: Section 1 - Receiving

    Model 8515 Series __________________________________________________________________Installation and Start-Up Section 1 - Receiving Section 2 - Installation/Start-Up 1.1 Preliminary Inspection 2.1 Introduction The freezer was thoroughly inspected and carefully packed The Thermo Forma Power Plus™ non-CFC, Ultra-Low prior to shipment and all necessary precautions were taken to Temperature Freezers feature front-to-back air circulation for ensure safe arrival of the merchandise at its destination.

  • Page 7: Peak Control System

    Model 8515 Series __________________________________________________________________Installation and Start-Up __________________________________________ c. Peak Control System Installation category (overvoltage category) defines the level of transient overvoltage which the instrument is designed to Due to the increased demands on today’s refrigeration sys- withstand safely. It depends on the nature of the electricity sup- tems, Forma Scientific has engineered a compressor protection ply and its overvoltage protection means.

  • Page 8: Installing The Wall Bumpers

    Model 8515 Series __________________________________________________________________Installation and Start-Up 1. Make sure the freezer is not connected to electrical power. 2.6 Moving the Model 8520 Through a Doorway 2. Using a Phillips screwdriver remove the lower right side To move the Model 8520 through a 34.50” doorway, the and rear panels.

  • Page 9: Deactivating The Enviro-Scan Monitor For Storage

    Model 8515 Series __________________________________________________________________Installation and Start-Up data. 2.10 Deactivating the Enviro-Scan Monitor for (NUL) (-) XXX (SP) C (SP) (OVERTEMP) (SP) (LF) (CR) Storage (EOT) (SP) (UNDER TEMP ) The Enviro-Scan Monitor has been deactivated (placed in a The words “OVERTEMP” or “UNDER TEMP” are trans- mitted with the temperature if one of those conditions exists at sleep mode) prior to shipment.

  • Page 10: Setting The Operating Temperature

    Model 8515 Series __________________________________________________________________Installation and Start-Up 2.14 Setting the Low and High Limit Set Points The alarm contacts are rated: 0.5A at 30VDC, 15 watts maximum. The High Limit set point is factory-set at -65° C. The Low 0.6A at 24 VAC, 14 watts maximum Limit set point is set at 3°...

  • Page 11: Installing The Chart Recorder Battery

    Model 8515 Series __________________________________________________________________Installation and Start-Up 2.16 Preparing the (optional) CoBex Temperature c. Changing the recorder range Recorder The chart recorder contains eight temperature ranges and is a. Installing the chart recorder battery factory-programmed for the freezer. (Refer to Figure 2-6) 1.

  • Page 12: Recorder Outlet

    Model 8515 Series __________________________________________________________________Installation and Start-Up Figure 2-7 Vacuum FUSE relief heater fuse:0.15 amp e. Recorder Outlet Electrical The 115VAC recorder outlet is cable located at the end of the relay feed-through enclosure. Refer to Figure 2-8. The outlet is only to be used for Electrical outlet CoBex recorders supplied by for recorder...

  • Page 13: Section 3 - Operation

    Model 8515 Series ______________________________________________________________________________Operation Section 3 - Operation 3.1 The Enviro-Scan Monitor Figure 3-1 3.3 Key Functions Requiring No Access Code Enviro-Scan Monitor (Refer to Figure 3-1) The Enviro-Scan Monitor provides constant monitoring of Displays the Enviro-Scan Monitor backup the freezer’s operation. The numerical LCD display provides a battery’s percent of charge.

  • Page 14: Access Keys

    Model 8515 Series ______________________________________________________________________________Operation The low limit key is used to establish a The standby key silences the audible alarm Standby Low Limit set point. When the chamber tem- after an alarm condition or a power failure. The Limit perature reaches (or exceeds) the Low Limit set standby key will silence the audible alarm only.

  • Page 15: Double Door Freezer (Factory-Built Option)

    Model 8515 Series ______________________________________________________________________________Operation Low Battery (LED): Inventory rack ordering information for 13 cu. ft. (368 On when battery state of charge is below liters) models is listed below. 50% and AC power is on. When AC power is Order No. Description Max Qty per Chamber off, the LOW BATTERY LED comes on when the battery state...

  • Page 16: Cobex Temperature Recorder (Optional)

    Model 8515 Series ______________________________________________________________________________Calibration Section 4 - Calibration 3.9 Cobex Temperature Recorder (optional) Operation of the recorder chart drive is automatic when power is applied to the freezer. In the event of a power failure, 4.1 Calibration the 9 volt back-up battery will allow the recorder to sense and record temperature for about 24 hours.

  • Page 17: Calibrating Control Set Point Temperature Probe

    Model 8515 Series ______________________________________________________________________Routine Maintenance Section 5 - Routine Maintenance 7. Press Enter. “CAL” will appear in the display. 8. Press Enter again and the temperature measured by the alarm monitor probe will be displayed. 5.1 Cleaning the Cabinet Exterior 9.

  • Page 18: Cleaning The Air Filter

    Model 8515 Series _____________________________________________________________________Routine Maintenance 5.3 Cleaning the Air Filter (Refer to Figure 5-1) 5.6 Cleaning the Vacuum Relief Port (Refer to Figures 5-1 and 5-2) A foam air filter is located at the front of the freezer base. When the filter appears dirty, it can be easily removed for The vacuum relief port on the Model 8515 Series freezers cleaning.

  • Page 19: Replacing The Performance Monitor/Alarm Battery

    Model 8515 Series _________________________________________________________________________________Service Section 6 - Service 5.7 Replacing the Performance Monitor/Alarm Battery 6.1 Servicing the Refrigeration System Replacement batteries must be rechargeable and are available from Thermo Forma. Refer to the parts list for stock number and description of the Caution! Servicing must be performed by quali- replacement batteries.

  • Page 20: Section 7 - Specifications

    Model 8515 Series _________________________________________________________________________Specifications Section 7 - Specifications Symptom Possible Cause No power light on monitor. Power cord disconnected. Circuit breaker tripped/open. 17 cu. ft. Upright Freezers Main power switch OFF. Pin-connector not plugged Specification Model 8515/ 8580 into the monitor board. Temperature -86°C (-123°F) Fuse open on temp control...

  • Page 21: Section 8 - Spare Parts List

    Model 8515 Series ___________________________________________________________________________Spare Parts List 23.0 cu. ft. Upright Freezer Section 8 - Spare Parts List Specification Model 8520/8583 Stock # Description Temperature -86° C (-123°F) 190726 Temperature Control Board Exterior Dimensions 33.25” W x 77.75” H x 37” F-B 400101 Thermostat 40°C (85 cm x 197.5 cm x 94 cm)
  • Page 22 Thermo Forma - Representative Pulldown and Cycle Curve for 17 Ft. -86°C Power Plus Freezers Sample Chart Time (5 minute intervals) 17ft3p+-86.xls 2/02...
  • Page 23 Thermo Forma - Representative Pulldown and Cycling Curve for 23 Ft. -86°C Freezers Sample Chart Time (5 minute intervals) 23ft3-86.xls 2/02...

  • Page 26: Section10 - Assembly Drawings

    Model 8515 Series _____________________________________________________________________Assembly Drawings Section10 - Assembly Drawings 10.1 Cabinet Hardware Figure 10-1 10-1...
  • Page 27 Model 8515 Series _____________________________________________________________________Assembly Drawings a. Door Handle and Latch c. Vacuum Relief Heater b. Door Hinge d. Probe Guard 10-2...
  • Page 28 Model 8515 Series _______________________________________________________________________Assembly Drawings 10.2 Heat Exchanger 10-3...
  • Page 29 Model 8515 Series _____________________________________________________________________Electrical Schematics 11-1...
  • Page 30 Model 8515 Series _____________________________________________________________________Electrical Schematics 11-2...
  • Page 31 Model 8515 Series _____________________________________________________________________Electrical Schematics 11-3...
  • Page 34 THERMO FORMA 900 & 8500 SERIES ULT FREEZER WARRANTY The Warranty Period starts two weeks from the date your equipment is shipped from our facility. This allows for shipping time so the warranty will go into effect at approximately the same time your equipment is delivered. The warranty protec- tion extends to any subsequent owner during the warranty period.
  • Page 35 THERMO FORMA 900 & 8500 SERIES ULT FREEZER INTERNATIONAL DEALER WARRANTY The Warranty Period starts two months from the date your equipment is shipped from our facility. This allows for shipping time so the warranty will go into effect at approximately the same time your equipment is delivered. The warranty protection extends to any subsequent owner during the warranty period.
  • Page 36 Millcreek Road, P.O. Box 649 Marietta, Ohio 45750 U.S.A. Telephone (740) 373-4763 Telefax (740) 373-4189...

This manual is also suitable for:

Power plus 8515 seriesPower plus 8520 seriesPower plus 8580Power plus 8583

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