Thermo Electron Forma POWERFREEZE 840 Operating And Maintenance Manual Download | Manualshive

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Forma

®

P

OWER

FREEZE

™

Ultra Low Temperature Freezer

Operating and Maintenance Manual

Manual Number 7000840 Rev. 1

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Summary of Contents for Forma POWERFREEZE 840

Page 1: ...Forma POWERFREEZE Ultra Low Temperature Freezer Operating and Maintenance Manual Manual Number 7000840 Rev 1 ...

Page 2: ...it breaker revised parts list for 120V units aks 6 14 05 Updated contact information aks 0 9 29 04 Modified 89002416 d for Forma brand aks Revision ECN ECR Date Description By Forma POWERFREEZE Ultra Low Temperature Freezer Operating and Maintenance Manual Manual Number 7000840 Rev 1 ...

Page 3: ... 1 Fuse 26387029 1 9 point connector adapter 86001821 2 Door keys 2 Anti skid pads for leveling feet 85241913 1 17 19 spanner wrench for leveling feet 26178039 1 Door opening limiter 51245425 1 8 10 spanner wrench for door opening limiter 26178026 1 Back spacers 85230074 iii Forma POWERFREEZE Thermo Electron Corporation Preface ...

Page 4: ...ations or warranties with respect to this manual In no event shall Thermo be held liable for any damages direct or incidental arising out of or related to the use of this manual V Important operating and or maintenance instructions Read the accompanying text carefully V Potential electrical hazards Only qualified persons should perform procedures associated with this symbol V Equipment being maint...

Page 5: ...ty Replacement or repair of component parts or equipment under this warranty shall not extend the warranty to either the equipment or to the component part beyond the original two year warranty period The Technical Services Department must give prior approval for the return of any components or equipment THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL OR IMPLIED...

Page 6: ...andle 1 3 Outer Body 1 3 Chamber Gasket 1 3 Storage Systems 1 4 Options and Accessories 1 4 Recorder 1 5 CO2 Backup System 1 5 Installation 2 1 Unpacking 2 1 Installation 2 2 Back Spacer Installation 2 2 Door Opening Limiter 2 3 Positioning the Leveling Feet 2 4 Optional Recorder Connection 2 4 Changing the Recorder Range 2 5 Installing Chart Paper 2 5 Calibrate Chart Recorder 2 6 Power Connection...

Page 7: ...uction for Use 5 1 Temperature Setpoint 5 2 Fault Detection 5 3 High Temperature Setpoint 5 3 Communication Devices 5 5 Service Menu 5 7 Precautions 6 1 Cleaning 6 1 Discarding 6 1 Cleaning the Condenser Filter 7 1 Service and Preventive Maintenance 8 1 Door Seal Defrosting 8 2 Spare Parts 8 2 Fuse Replacement 8 2 Chamber Cleaning 8 2 Table of Contents Section 3 Section 4 Section 5 Section 6 Secti...

Page 8: ...ng their properties The Forma POWERFREEZE freezers are designed to optimize thermal transfer from the sample to guarantee their optimal storage conditions The POWERFREEZEdesign is a unique combination of a freezing system and storage system which places a cooling coil in the top of each compartment FORMA PowerFREEZE ULT Freezer Figure 1 1 Location of Main Components Display Handle Optional tempera...

Page 9: ...ess 0 39 inches 10 mm Magnetic closing system and easy opening knob The insulation construction consists of the following material Concept 5 blocks of polyurethane 0 CFC thickness 4 7 inches 120 mm The inner chamber has the following characteristics Stainless steel Access for CO2 back up injection Access for probe of 7 day recorder or extra monitoring sensor Single outer door Insulation thickness ...

Page 10: ... easily changed chamber gasket Material high flexibility silicone Material powder coated painted steel Low force single handed operation handle Lock and keys 2 4 rotating casters 2 leveling feet with anti skid pads to prevent freezer from moving Chamber Gasket Outer Body Handle Casters ...

Page 11: ...8 16 920094 Drawer style rack for 2 boxes no boxes 5 5 x 11 9 x 16 6 12 820094 Drawer style rack for 2 boxes with boxes 5 5 x 11 9 x 16 6 12 920096 Drawer style rack for 2 boxes no boxes 5 5 x 11 9 x 22 12 820096 Drawer style rack for 2 boxes with boxes 5 5 x 11 9 x 22 12 920090 Drawer style rack for 2 boxes no boxes 5 5 x 11 8 x 26 3 16 820090 Drawer style rack for 2 boxes with boxes 5 5 x 11 8 x...

Page 12: ...ersonnel 7 day temperature recorder Stock Number 201276 Qualified Installation 201277 Factory Installed Available for the POWERFREEZE is a 7 day temperature recorder with independent probe The temperature recorder must be installed by qualified personnel Replacement recorder chart paper can be purchased from Thermo Electron Order stock number 17020 6 inch 7 day 100 C to 38 C circular chart paper R...

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Page 14: ...hout its pallet for example on a staircase professional handling is required 1 Remove the straps and the cling film Remove the plank located on the top of the freezer Unscrew the nuts and remove the side bar by tilting the machine slightly 2 Place the plank sideways in contact with the pallet and in line with the wheels of the machine Remove the freezer from the pallet by rolling it down the plank...

Page 15: ...freezer in a suitable environment a To ensure proper ventilation of the refrigeration system and guarantee correct functioning of the freezer it is extremely important not to place any object within 8 inches of the front back or side ventilation grilles see Back Spacer Installation b The room should be well ventilated and include mechanical air exhaust if the optional CO2 back up is in use The env...

Page 16: ...e freezer and the door 2 Position the limiter as shown in Figure 2 3 and secure in place with the two bolts and washers using the box spanner wrench 3 Check that the limiter slides easily Figure 2 3 Door Opening Limiter Forma POWERFREEZE 2 3 Thermo Electron Corporation Section 2 Installation Bolt Plastic washer Washer Spacer Limiter Door Body ...

Page 17: ...the bottom of the compressor compartment mate n lock connection 4 Replace the front grille Optional Recorder Connection There are two leveling feet located at the front of the freezer 1 Unscrew the leveling feet 2 Place an anti skid pad beneath each one 2 anti skid pads are provided 3 Using the 19 mm spanner provided with the freezer continue to unscrew the leveling feet until the front of the fre...

Page 18: ...ve off the chart paper 2 Press and hold for five seconds either button 1 or button 2 3 Release the button and the green LED will begin to flash Count the number of flashes to determine the present program setting 4 To change the program setting press the left or right arrows to increase or decrease the count 5 When the desired program number is flashing press button 3 to bring the pen arm back ont...

Page 19: ...t recorder reading 4 If an adjustment is necessary press the 1 button to move the pen to the left or the 2 to move the pen to the right The button must be held about five seconds before the pen begins to move Release the button when the pen position matches the thermometer Note The felt tip pen on the recorder requires periodic replacement Usually the ink will appear to fade before replacement bec...

Page 20: ... the personal responsibility and obligation of the user to have it replaced with a properly grounded three prong wall receptacle Do not under any circumstances cut or remove the third ground prong from the power cord Do not use a two prong adapter plug Note Colors of wires in mains cable black 1 Line white 2 Neutral Earth Ground yellow green V Before turning on the freezer install the fuse located...

Page 21: ...1 C decreasing linearly to 50 relative humidity at 40 C Maximum altitude of 2000 m Voltage fluctuations of 10 Overvoltage category II Pollution degree 2 Maximum performance is assured across the ambient temperature range of 18 C to 25 C and maximum relative humidity of 70 2 8 Forma POWERFREEZE Thermo Electron Corporation Section 2 Installation Environmental Conditions ...

Page 22: ...ectrical 208 V 60 Hz Range 208 240 V 4 3 Amp 850 W Breaker Requirements 15 Amp Dedicated Circuit Time Delay Breaker Plug NEMA 6 15P Plug Model 841 843 845 Electrical 115 V 60 Hz Range 108 130 V 8 5 Amp 850 W Breaker Requirements 20 Amp Dedicated Circuit Time Delay Breaker Plug NEMA 5 20P Plug Power Card Fuse F1 100 mAmp 5 20 mm Battery Card Fuse F1 100 mAmp 5 20 mm Rear Panel Fuse F2 500 mAmp 5 20...

Page 23: ...s 12 1 x 21 7 x 16 9 12 1 x 21 7 x 22 4 12 1 x 23 5 x 27 9 millimeters 308 x 550 x 430 308 x 550 x 568 308 x 597 x 707 H x W x D inches 51 2 x 21 7 x 18 1 51 2 x 21 7 x 23 5 51 2 x 23 5 x 29 0 millimeters 1300 x 552 x 459 1300 x 552 x 598 1300 x 597 x 737 Nominal capacity cubic feet 11 6 15 2 20 2 Nominal capacity liters 329 429 572 H x W x D inches 87 4 x 37 0 x 37 0 87 4 x 37 0 42 5 87 4 x 39 0 ...

Page 24: ...e chamber The heat is then transferred to the first refrigeration system at the heat exchanger The heat transferred to the first system is then transferred to the outside environment at the condenser The cooling fluids are R 507 for the 1st stage and R 508 R 290 for the 2nd stage Figure 4 1 Refrigeration Diagram Condenser HP safety device HP safety device POWERFREEZE cooling coil Heat exchanger Dr...

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Page 26: ...perature alarm set point 1 C increments adjustable between 5 C and 25 C above set point Forma POWERFREEZE 5 1 Thermo Electron Corporation FORMA P FREEZE OWER ULT Freezer 3 digit LED display Temperature set point Indicator Minus key Decrease value Chamber temperature indicator Enter key Validate or store a parameter Snowflake key Parameters access High temperature alarm set point Plus key Increase ...

Page 27: ...point An indicator for each temperature is located directly below the display The plus and minus keys are used to increase or decrease the value of the temperature set point or the high temperature alarm set point The enter key is used to validate or store a temperature setting The mute key is used to silence the audible alarm A visual alarm indicator is located directly above the the mute key The...

Page 28: ...ions Alarm conditions and corresponding codes follow Each alarm condition has its combination of indicators Alarm 1 door open Alarm LED is flashing audible alarm is activated Dry contact and remote alarm socket can be activated or non activated depending on the choice of the user see Service Menu Alarm 2 high temp alarm Alarm LED is flashing audible alarm is activated Dry contact and remote socket...

Page 29: ...tarts just after the power outage During an alarm condition check the alarm code in the service menu by pressing simultaneously and When the display shows alternatively ECH temperature of the heat exchanger press Enter The display will show the alarm code 1 If alarm 1 or 2 is displayed verify the freezer door is closed 2 If alarm 3 or 4 is displayed contact your service technician 3 If alarm 5 is ...

Page 30: ...ndition exists it is possible to check both visual and audible alarms by pressing the mute key V After pressing the alarm will be reactivated if More than one hour has passed since was last pressed The alarm condition has disappeared and another alarm condition appears POWERFREEZE freezers are fitted with dry contact and remote alarm connections Figure 5 2 Alarm Connection Locations on Freezer Bac...

Page 31: ...sual or audible signal 3 A dry contact linked with a 12 V outlet for connection to a dialer This contact is closed between Pin 1 and Pin 2 in case of a fault Instruments connected to the 12 V outlets must not exceed 2 A Figure 5 3 Alarm Connection Diagram The 3 outlets give a signal if any of the following conditions occur Power failure this alarm is powered by the rechargeable battery Open door a...

Page 32: ...r Ajar Detection yes If the display shows YES the door ajar detection is connected to the dry contact and the remote alarm socket If the display shows NO the door alarm is disconnected from the dry contact and the remote alarm socket To set YES or NO press or key 6 Press Enter The display shows alternatively TsT current test temperature At that time the setpoint will be automatically changed to 95...

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Page 34: ...luminum plate for the bottom of the shelf An aluminum cooling coil inserted between To ensure maximum performance of the freezer POWERFREEZE has to remain clean As soon as dirt appears on the aluminum 1 Wash the aluminum parts with a warm water and soap mixture using a nylon brush or sponge 2 Rinse all parts with clean water 3 Dry with a drying cloth Note The use of corrosive chemical substances d...

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Page 36: ...ZE has direct access to the condenser filter To clean the filter 1 Open the ventilation grille located at the bottom of the unit as shown in Figure 7 1 2 Pull the filter out secured by springs 3 Clean the filter with warm water 4 Dry the filter properly before putting it back in place Meanwhile place a spare filter in the grille to protect the condenser part number 86001847 5 Write the next cleani...

Page 37: ...an who will diagnose the fault before replacing any fuses 7 2 Forma POWERFREEZE Thermo Electron Corporation Section 7 Service and Preventive Maintenance Door Seal Defrosting Stock Number Description 3183014 CAJ2432ZSE compressor 60 Hz 1st stage 3182985 CAJ2432Z compressor 60 Hz 2nd stage 3182906 Starting box 60 Hz 1st stage 2nd stage 3182874 Fan 60 Hz 3182185 Drying filter 3182296 Chamber temperat...

Page 38: ...Thermo Electron Corporation Laboratory Equipment Division 401 Millcreek Road Marietta Ohio 45750 USA 800 848 3080 www thermo com email services controlenv thermo com ...

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