Fisher Scientific Isotemp Premium 700 Series Operation Manual And Parts List
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Summary of Contents for Fisher Scientific Isotemp Premium 700 Series
- Page 1 Isotemp Isotemp Premium Ovens ® 700 Series Operation Manual and Parts List LT2148X1 (7006916) Rev. 3 © 2010 Fisher Scientific Inc. All rights reserved Printed in U.S.A.
- Page 2 Corrected Menu button details - pg 4-2 28232 2/23/12 Updated Recovery and Rise Time - pg 2-2 27703 7/27/11 Corrected PC board and probe number in parts list 4/26/10 Transfer to Marietta (was LT2148X1 2/9/09) ECR/ECN DATE DESCRIPTION Fisher Scientific Isotemp Premium Ovens...
- Page 3 Fisher Scientific makes no representations or warranties with respect to this manual. In no event shall Fisher Scientific be held liable for any damages, direct or incidental, arising out of or related to the use of this manual.
- Page 4 This product is required to comply with the European Union’s Waste Electrical & Electronic Equipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol. Fisher Scientific has contracted with one or more recycling/disposal companies in each EU Member State European Country, and this product should be disposed of or recycled through them.
- Page 5 When more extensive service is necessary, we will assist you with direct factory trained technicians or a qualified service organization for on-the-spot repair. If your service need is covered by the Fisher Scientific Products warranty, we will arrange for the unit to be repaired at our expense and to your satisfaction.
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Page 6: Table Of Contents
Schematic ...........9-1 Fisher Scientific... -
Page 8: Introduction
Introduction Section 1 Fisher Scientific Isotemp 700 Series Standard ovens are available in three sizes: Small, Medium and Large. All ovens provide PID Microprocessor control at operating temperatures ranging from 50°C (122°F) to 275°C (527°F). The forced air ovens provide improved temperature uniformity and control, as well as faster drying. -
Page 10: Specifications
Medium (3.8 cu ft) Gravity 13247750F (6925) Large (5 cu ft) Forced Air 13247750G (6926) Large (5 cu ft) Gravity 13247751F (6927) Large (5 cu ft) Forced Air 13247751G (6928) Large (5 cu ft) Gravity Fisher Scientific Isotemp Premium Ovens... - Page 11 *as per ASTM E145 **door open one minute Note Temperature Recovery Times and Temperature Rise times are based on a nominal line voltage of either 120VAC or 240VAC, and on ovens pre-calibrated to 200°C and 275°C. Isotemp Premium Ovens Fisher Scientific...
- Page 12 Operating: 17°C to 27°C; 20% to 80% RH, non-condensing. Installation Category II (overvoltage) in accordance with IEC 664. Pollution Degree 2 in accordance wth IEC 664. Altitude Limit: 2,000 meters. Storage: -25°C to 65°C 10% to 85% relative humidity (RH) Fisher Scientific Isotemp Premium Ovens...
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Page 14: Installation
Fisher Scientific Isotemp® ovens are shipped in a single carton. After unpacking, locate each item shown in the list below. Report any missing items, by name and part number, to your Fisher Scientific distributor. In the event of shipping damage, retain the shipping material and file a claim with the final carrier. -
Page 15: Power Switch
Press the I (upper) half of the rocker-type power switch to turn the oven On. Press the 0 (lower) half to turn Off oven power. To reset the breaker, first place the switch in the Off position, then return it to the On position. Isotemp Premium Ovens Fisher Scientific... -
Page 16: Controls
Lights when power is being supplied to the oven heater. Alarm Indicator Lights if the actual oven temperature exceeds the alarm temperature. The alarm temperature is factory-adjusted to be 5°C above set temperature. Program Indicator Lights when the control temperature is being set. Fisher Scientific Isotemp Premium Ovens... -
Page 17: Keypad
Pressing SET causes the display to show the set temperature. Used with INCREASE and DECREASE to change the set temperature. With MENU to access entry of a temperature display offset. Isotemp Premium Ovens Fisher Scientific... -
Page 18: Operation
Do not place items on the heater cover. • Wear insulated gloves • Use tongs • Never stand in front of an open oven • Use safety goggles Fisher Scientific Isotemp Premium Ovens... -
Page 19: Limit Alarms
140°C. The oven immediately goes in to alarm once the set point is reset to 140 from 160. The oven will stay in alarm until the oven temperature cools down to 144.9° (140,+5,-0.1). Isotemp Premium Ovens Fisher Scientific... -
Page 20: Display Offsets
The calibrated thermometer reads 151°C. A display offset of 1 is entered. The immediate display reads 151. The oven cools to 150°C, the display reads 150, and the calibrated thermometer reads 150. Fisher Scientific Isotemp Premium Ovens... -
Page 22: Service
Caution Only factory authorized components should be used for all repairs. Failure to use factory authorized replacement components will void warranty and could result in unit malfunction and or hazardous operating conditions. Caution Allow oven to cool to ambient temperature before attempting repair. Fisher Scientific Isotemp Premium Ovens... -
Page 23: Replacing The Door Handle
2. Remove the two mounting screws holding defective handle in place. 3. Mount the replacement handle using two screws. 4. Adjust bottom nut (13/16) from end of shaft. 5. Secure latch cover in place with 2 screws. Isotemp Premium Ovens Fisher Scientific... -
Page 24: Accessing Electronics Compartment
6. Slide the oven back on the table plus a few inches (to set the bezel on the bench) and rotate the bottom of the bezel out from the oven. The top clips will come loose but the wiring will still be connected. 7. Carefully set the bezel on the bench. Fisher Scientific Isotemp Premium Ovens... -
Page 25: Replacing The Heater
5. Install replacement heater and re-assemble oven by generally reversing the steps above. Heater Cover Fascia Heater Front Face Electronics Compartment (Open) Bezel/Control Bezel Panel Bottom Screws Figure 6-1. Heater Component Locations Isotemp Premium Ovens Fisher Scientific... -
Page 26: Replacing The Cooling Fan
9. Remove the three mounting screws holding the fan in place. 10. Install replacement fan and reassemble oven by generally reversing the steps above. Note When installing the replacement fan, make certain air flow arrow molded into fan housing points into the oven chassis. Fisher Scientific Isotemp Premium Ovens... -
Page 27: Replacing The Circulating Fan Motor
14. Push an 11/32-in nut driver through the front access hole, gently pushing aside the oven insulation until the nut driver reaches the front motor mounting nut. Isotemp Premium Ovens Fisher Scientific... -
Page 28: Replacing The Controller
120V or 240V. 12. Check switch DS1 setting: If forced air, set switch A to ON, otherwise; set to OFF for gravity. Switch B should always be OFF. Fisher Scientific Isotemp Premium Ovens... -
Page 29: Replacing The Solid State Relay
11. Lift out the solid state relay. Put new solid state relay in place, making certain that the thin, conductive pad remains between the solid state relay and the bezel. 12. Generally reverse the steps above to re-assemble oven. Isotemp Premium Ovens Fisher Scientific... -
Page 30: Replacing The Control Thermocouple
3. Slide the oven back until the front of the bezel (control panel) is at least three inches from the edge of the bench top. 4. Prop up the oven front by placing a shim under each front foot. Use shims between 1½ and 2 inches in thickness. Fisher Scientific Isotemp Premium Ovens... - Page 31 14. Consult schematic at end of this manual. Then, generally reverse steps 1 through 9 to complete installation of new thermocouple and reassemble oven. Note Verify the yellow thermocouple conductor is under the (+) tab and the red thermocouple conductor is under the (-) tab. 6-10 Isotemp Premium Ovens Fisher Scientific...
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Page 32: Troubleshooting
Alarm LED stays on and control is higher Defective controller Replace controller that set temperature Refer to schematic and replace Defective control thermocouple relays. Fisher Scientific Isotemp Premium Ovens... - Page 33 Defective control thermocouple Replace thermocouple Check thermocouple connections Faulty or broken connections at rear of temperature controller Temperature off from Begin by setting offset to 0. See independent ther- Calibration offset needs adjusted Display Offsets. mometer Isotemp Premium Ovens Fisher Scientific...
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Page 34: Replacement Parts
SPN 95737 Door Gasket Small ovens SPN 101908 Medium ovens SPN 101909 Large ovens SPN 101910 Door Gasket Grey Silicon Optional High Temp Small ovens SPN 95782 Medium ovens SPN 95783 Large ovens SPN 95784 Fisher Scientific Isotemp Premium Ovens... - Page 35 Single Pole (120V) SPN 95765 Double Pole (240V) SPN 95786 Door Assembly Small DR2034X6 Medium DR2033X6 Large DR2032X6 Solid State Relay (SSR) SPN 83917 Safety Relay (K1) 120V SPN 95770 240V SPN 95787 Thermal Fuse Assembly FZ2148X2 Isotemp Premium Ovens Fisher Scientific...
- Page 36 Fisher Scientific Isotemp Premium Ovens...
- Page 38 For customer service, call 1-800-766-7000 To fax an order, use 1-800-926-1166 To order online: www.fishersci.com...
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