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Introduction

2

Laboratory Freezers

Thermo Fisher Scientific

1.1 Specifications

Environmental Operating

Conditions

Pollution Degree 2
Installation Category II
Altitude 2000m MSL (mean sea level)
Humidity max 80% - non-condensing
Voltage Tolerance ±10%
Ambient Temperature 15-32°C (59-90°F)
Product Usage Indoor Use Only

Intended Use

Be sure to read this section to determine whether your freezer model is
intended for use as a medical device.

Models with prefix

JPL

are

intended for use as medical devices

.

Models with prefix

JLF

are not intended for use as medical devices

and are not intended for in vitro diagnostic tests

.

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Содержание Jewett

Страница 1: ...Jewett 30 C Laboratory Freezers A and D Installation and Operation 325099H14 Rev A November 2014 Visit us online to register your warranty www thermoscientific com labwarranty ...

Страница 2: ...rmed by qualified service personnel Material in this manual is for informational purposes only The contents and the product it describes are subject to change without notice Thermo Fisher Scientific makes no representations or warranties with respect to this manual In no event shall Thermo be held liable for any damages direct or incidental arising from or related to the use of this manual 2014 Th...

Страница 3: ... Service Parameters 11 Operation 12 Temperature Settings 12 Start Up 12 Defrost 13 Automatic Defrost 13 Alarm Systems 14 Operating the Alarm 14 Local and Remote Alarms 14 Installing a Remote Alarm Optional 15 Alarm Test 15 Chart Recorders 17 Set Up and Operation 17 Changing Chart Paper 18 Power Supply 18 Calibration Adjustment 19 Drawers 20 Removing the Drawers 20 Reinstalling the Drawers 21 Chang...

Страница 4: ...ey operated power and alarm switch Preset temperature setpoint Digital temperature display with 0 1 C resolution Graphic temperature display Audible and visual power failure indicators Alarm silence ringback and automatic reset functions SureTempTM alarm system test Other standard features include Keyed door locks Remote alarm contacts CFC free refrigerant CFC free foamed in place urethane insulat...

Страница 5: ...80 non condensing Voltage Tolerance 10 Ambient Temperature 15 32 C 59 90 F Product Usage Indoor Use Only Intended Use Be sure to read this section to determine whether your freezer model is intended for use as a medical device Models with prefix JPL are intended for use as medical devices Models with prefix JLF are not intended for use as medical devices and are not intended for in vitro diagnosti...

Страница 6: ...are important safety precautions that apply to this product Use this product only in the way described in the product literature and in this manual Before using it verify that this product is suitable for its intended use If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Do not modify system components especially the con...

Страница 7: ...ent within five days of delivery If you find any damage keep the packing materials and immediately report the damage to the carrier Do not return goods without written authorization When submitting a claim for shipping damage request that the carrier inspect the shipping container and equipment 4 Temperature Monitoring IMPORTANT NOTE We recommend the use of a redundant and independent temperature ...

Страница 8: ...5 3 Wiring Before connecting your freezer to a power source be sure to check the dataplate for correct voltage Standard NEMA plugs are provided with all units Wiring diagrams are attached to the back of the cabinet CAUTION Connect the equipment to the correct power source Incorrect voltage can result in severe damage to the equipment WARNING For personal safety and trouble free operation this unit...

Страница 9: ...f paper a couple of inches wide between the door gasket and the cabinet flange and close the door 3 Slowly pull the paper strip from the outside You should feel some resistance 4 Repeat this test at 4 inch intervals around the door If the door does not seal properly replace the gasket 5 6 Solid Doors Solid doors stay open if opened 90 degrees Solid door spring tension cannot be adjusted 5 7 Final ...

Страница 10: ...y the sensor inside the cabinet You can use the buttons to display other values such as setpoints and highest and lowest recorded temperatures The number in the main display flashes when the value can be modified 2 Thermometer shows cabinet temperature and alarm conditions There are 10 horizontal bars 9 are displayed during normal operation the tenth top bar indicates a warm alarm condition The nu...

Страница 11: ...r during an alarm test 5 Increase used to increase setpoint values in programming mode and for various display functions 6 Door ajar illuminated when the freezer door is open the alarm is activated and the key switch is turned to the alarm position 7 Battery low illuminated when the backup battery is low 8 Decrease pushbutton used to decrease setpoint values in programming mode and for various dis...

Страница 12: ...ince last startup or reset Press Display shows warmest logged temperature while button is pressed Mute Silence audible alarm Press the Scan button between and Display and thermometer show cabinet temperature alarm icon continues to flash Reset Return to default display after excursion or alarm condition Press and simultaneously hold for five seconds Excursion values are reset temperature display s...

Страница 13: ...rating mode 30 seconds after the last key entry or after scrolling through all available functions Adjust cold alarm setpoint Enter programming mode by pressing and holding for 5 seconds On release the current cold alarm setpoint value flashes in the temperature display use and to adjust it The display automatically returns to normal operating mode 30 seconds after the last key entry or after scro...

Страница 14: ...4 seconds Pressing repeatedly scrolls through the available service functions While you are in service mode the wrench icon is illuminated For any flashing parameter you can use and to adjust the value Table 4 Service Parameters Parameter Display Notes 1 Offset Value in main display single bar illuminated in thermometer Center air temperature calibration Default value is 0 maximum or 10 0 2 Line v...

Страница 15: ... the ON 1 position 3 Insert the silver colored key in the switch on the control panel and turn the power on turning the key switch to position 1 The compressor and the evaporator fans should start immediately 4 Rotate the power switch to the ALARM ON position when the temperature drops below the warm alarm setpoint 5 If desired lock the cabinet door using the gold colored key Place duplicate key c...

Страница 16: ...t The defrosting process on all 30 C freezers initiates automatically in response to a built in timer All models are set for one defrost cycle every six hours The defrost cycle is 20 minutes The cycle terminates automatically if during defrost the evaporator coil temperature exceeds 15ºC ...

Страница 17: ...e than 3 minutes The Mute function pressing the button allows you to turn off the audio warning without turning off the visual indicators To turn off and reset flashing visual alarms press and simultaneously There is also a ringback function after approximately 6 minutes if any alarm condition remains active 9 2 Local and Remote Alarms Freezer units can have either a factory installed local alarm ...

Страница 18: ...esigned for 115V 60 Hz 115V 50 Hz or 100V 50 Hz operation Note If you want the alarm signal to sound when the switch contacts close connect the normally open terminal on the cabinet to the red white close on fail wire on the alarm The purple and red white wires must be tied together in this application The wiring diagram is attached to the inside of the alarm back cover 9 4 Alarm Test Your freezer...

Страница 19: ... illuminates 10 in Figure 1 4 The temperature display begins to drop After a few seconds the temperature in the display is back in the operating range 5 The alarm stops The temperature on the display drops until the cold alarm sounds 6 The test is now complete but the alarm continues to sound until the temperature on the display is back in the operating range If the simulated alarm conditions do n...

Страница 20: ... the recorder to function properly complete the following steps 1 Open the recorder door to access the recorder 2 Connect the nine volt DC battery located at the recorder s upper right corner This battery provides back up power 3 Install clean chart paper refer to Section 10 2 below 4 Close the recorder door Note The recorder may not respond until the system reaches temperatures within the recorde...

Страница 21: ... the recorder panel a small groove on the left side of the panel shown in Figure 2 4 Replace the center nut and hand tighten Press the change chart button again 3 to resume temperature recording 10 3 Power Supply The recorder normally uses AC power when the system is operating If AC power fails the LED indicator on the recorder flashes to alert you to a power failure The recorder continues sensing...

Страница 22: ...unit continuously at the control setpoint temperature Continue steady operation for at least two hours to provide adequate time for recorder response 2 Measure cabinet center solution temperature with a calibrated temperature monitor 3 Compare the recorder temperature to the solution temperature If necessary adjust the recorder by pressing the left 1 or right 2 chart buttons for five seconds Note ...

Страница 23: ... mounting tabs from the slots on the slides Note The drawers fit snugly between the slides Push the back of the drawer from underneath to remove the drawer 3 Raise the back of the drawer almost to a vertical position and disengage the front mounting clips from the slides 5 and 12 Cu Ft models To remove the drawers on 5 and 12 cu ft models depress the hooks located on both sides of the drawers abou...

Страница 24: ...ing Drawer Position The drawer slides are adjustable to higher and lower positions in the cabinet You can position these slides in the vertical slots which are spaced at one inch intervals Drawer slides have a small wire safety clip at the front pilaster which prevents the slides from falling when the drawers are removed To change the position of the drawer slides complete the following steps 1 Lo...

Страница 25: ...nsers load with dirt more quickly Failure to keep the condenser clean can result in equipment warm up or erratic temperatures WARNING Be sure to disconnect the unit from main power before cleaning the condenser CAUTION Never clean near condensers with your fingers Some surfaces are sharp In all models the condenser is located in the top machine compartment To clean the condenser 1 Disconnect the p...

Страница 26: ...old control is set correctly Refer to Section 6 Condenser Make sure the condenser is clean Refer to Section 12 2 on page 22 Unit warms up Door is open Make sure the door is completely closed Warm product recently loaded in unit Allow ample time to recover from loading warm product Power supply Check for proper voltage to the unit If there is no voltage to the unit call an electrician Compressor If...

Страница 27: ...from this warranty 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...

Страница 28: ...xcluded from this warranty 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...

Страница 29: ...Thermo Fisher Scientific Inc 275 Aiken Road Asheville NC 28804 United States www thermofisher com 325099H14 Rev A ...

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