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Thermo Scientific

MANUAL NUMBER LT2034X2 (7006907)

7/23/10

Transfer to Marietta (was LT2034x2 4/8/09)

ccs

REV

ECR/ECN

DATE

DESCRIPTION

Preface

Precision Standard Oven

Models covered in this manual

Models

Size

Voltage

PR305140G (6907)

2.5 cu ft (Small)

240V

PR305140GCN (6908)

2.5 cu ft (Small)

240V

PR305145G (6909)

2.5 cu ft (Small)

120V

PR305150G (6910)

3.8 cu ft (Medium)

240V

PR305150GCN (6911)

3.8 cu ft (Medium)

240V

PR305155G (6912)

3.8 cu ft (Medium

120V

PR305160G (6913)

5 cu ft (Large)

240V

PR305160GCN (6914)

5 cu ft (Large)

240V

PR305165G (6915)

5 cu ft (Large)

120V

Содержание 3051 Series

Страница 1: ...Precision Standard Ovens 3051 Series Operating Manual and Parts List LT2034X2 Rev 0 _________________________________________________________________________________ Part of Thermo Fisher Scientific...

Страница 2: ...els covered in this manual Models Size Voltage PR305140G 6907 2 5 cu ft Small 240V PR305140GCN 6908 2 5 cu ft Small 240V PR305145G 6909 2 5 cu ft Small 120V PR305150G 6910 3 8 cu ft Medium 240V PR3051...

Страница 3: ...ustments and maintenance must be performed by qualified service personnel s Material in this manual is for information purposes only The contents and the product it describes are subject to change wit...

Страница 4: ...e equipment that has been put on the market after 13 August 2005 This product is required to comply with the European Union s Waste Electrical Electronic Equipment WEEE Directive 2002 96 EC It is mark...

Страница 5: ...t parts or provide you with on site service We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products Whatever Thermo Scientific products you need or use we...

Страница 6: ...5 2 Safety Precautions 5 2 Calibration 5 3 Service 6 1 Replacing the Door Gasket 6 2 Adjusting the Door Cam 6 3 Replacing the Door Handle 6 3 Replacing the Heater 6 4 Accessing Electronics Compartment...

Страница 7: ......

Страница 8: ...n gently moves the air in a vertical circulation pattern Exhaust air is vented through a port at the oven top The Small oven accommodates a maximum of five shelves The Medium oven holds eight shelves...

Страница 9: ......

Страница 10: ...0 5 C Recovery Time 200 C door opened one minute Small ovens 2 0 minutes Medium ovens 4 0 minutes Large ovens 4 0 minutes Rise Time to 225 C Small ovens 45 minutes Medium ovens 60 minutes Large ovens...

Страница 11: ...V 11A 1320W 50 60 Hz PR305160G 240 V 5 5A 1320W 50 60 Hz PR305160GCN 240V 5 5A 1320W 50 60 Hz Chamber Volumes Small ovens 2 5 cu ft Medium ovens 3 8 cu ft Large ovens 5 0 cu ft Chamber Dimensions W x...

Страница 12: ...Note If the equipment is not used in a manner specified by manufacturer the protection provided by the equipment may be impaired s Warning Do not use top of oven as a shelf s Do not cover oven vent h...

Страница 13: ...the circuit s Note The oven received a single point calibration at 120 C 2 C at the factory If greater accuracy is required the user may require a standard laboratory calibration see Calibration secti...

Страница 14: ...mperature dial marked in 10 increments serves to set the oven temperature Temperature Dial Sets the oven operating temperature in degrees Celsius C Heat Indicator Lights when power is being supplied t...

Страница 15: ......

Страница 16: ...3 Rotate the temperature dial to the desired set temperature The Heat indicator will then come on 4 When the actual temperature approaches the set temperature the Heat indicator will cycle on and off...

Страница 17: ...sed as such Use of heater cover as a shelf may result in fire s The 3051 Series controllers feature a deviation alarm which alerts the operator and interrupts heater power whenever the actual oven tem...

Страница 18: ...IST standards in oven chamber 2 Rotate temperature dial full counterclockwise CCW 3 The dial line should point to 20 C If not loosen the setscrew holding the dial on its shaft Rotate shaft until dial...

Страница 19: ...If thermometer reads 200 5 C calibration is complete Otherwise continue with following steps 12 Carefully remove the temperature dial knob without rotating it 13 Use a thin blade screwdriver to calib...

Страница 20: ...d is referenced by these later sections when required If needed call Technical Services for assistance Caution Allow oven to cool to ambient temperature before attempting repair s Caution Only factory...

Страница 21: ...the Phillips head screws attaching the gasket 5 Remove the old door gasket 6 Loosely install two screws through the stainless steel liner and into the door wrap to align these pieces 7 Begin installin...

Страница 22: ...distortion with use the door cam may require adjustment To facilitate proper closing and sealing of door Steps 1 through 5 may have to be performed more than once To adjust the door cam perform the f...

Страница 23: ...l bottom outward Bezel will disengage from fascia Lay bezel on benchtop in front of oven To replace a defective heater proceed as follows 1 Disconnect power cord from the electrical outlet 2 Remove tw...

Страница 24: ...Remove two screws securing bezel from bottom of oven 6 Grasp bezel and pull bottom outward Bezel will disengage from fascia Lay bezel on benchtop in front of oven 7 Remove temperature dial knob 8 Loca...

Страница 25: ...ps Note Observe position in terminal for each lead When re connecting be certain to observe polarity Compare with polarity indication on controller housing For thermocouples the red wire is negative a...

Страница 26: ...ouple Replace control thermocouple Failure to heat Set temperature less than actual temperature Refer to Operation section Defective control thermocouple Replace control thermocouple Poor heater conne...

Страница 27: ......

Страница 28: ...ens 120V SPN 95695 Small ovens 240V SPN 95736 Medium and Large ovens 120V SPN 95695 Medium and Large ovens 240V SPN 95736 Door Gasket Small ovens SPN 101908 Medium ovens SPN 101909 Large ovens SPN 101...

Страница 29: ...E S1 GRN YEL BLK WHT BEZEL 220V 240V NEUTRAL CONTROLLER TEMPERATURE CTRL SAFETY LINE 110V 120V TC K TYPE YEL HEATER RED HTR COMPONENT CHART FOR 4 MODELS EL1 WHT WHT PC1 C1 F1 FUSE REFERENCE C1 EL1 F1...

Страница 30: ...Thermo Scientific 401 Millcreek Road Marietta Ohio 45750 United States www thermofisher com...

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