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Related Manuals for Cole Parmer 700 Series
Summary of Contents for Cole Parmer 700 Series
- Page 1 Standard and Premium Ovens Operation Manual Parts List LT2148X5 • 2/15/10...
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Page 2: Table Of Contents
Table of Contents Introduction ................................ 3 Installation ................................4 Selecting a Location ............................4 Unpacking ..............................4 Preparing the Oven ............................5 Power Switch ..............................5 Controls ................................6 Display ................................6 Keypad................................7 Operation ................................8 Safety Precautions............................8 Limit Alarms ..............................9 Display Offsets..............................9 Service ................................11 Replacing the Door Gasket ........................11 Accessing the Electronics Compartment....................12 Replacing the Heater ..........................13 Replacing the Cooling Fan ........................14... -
Page 4: Introduction
Introduction The 700 Series premium ovens are available in three sizes: small (Models OV700F and OV700G), medium (Models OV701F and OV701G) and large (Models OV702F and OV702G). All models provide PD Microprocessor control at operating temperatures ranging from 50°C (122°F) to 275°C (527°F). -
Page 5: Installation
Installation Selecting a Location The oven requires an area approximately 2 ft x 2 ft. The bench selected must be capable of supporting at least 120 lbs for the Models OV700F and OV700G, 130 lbs for the Models OV701F and OV701G, or 135 lbs for the Models OV702F and OV702G. -
Page 6: Preparing The Oven
The oven is now ready for operation. No prelimi- nary adjustments or calibrations are required. Power Switch The 700 Series ovens feature a front panel mounted power switch which is a Switch combination power switch and circuit breaker, eliminating the need for separate fusing. -
Page 7: Controls
More detailed descriptions are provided, when required, in the operating sections of the manual. Display The 700 Series controller features a bright, one-half inch LED numeric display which reads out the oven tempera- ture. Three smaller LEDs indicate, respectively, an alarm condition, that power is being applied to the oven heaters or that the control temperature is being set. -
Page 8: Keypad
ONTROLS Keypad The 700 Series incorporates a four-key, tactile keypad. The function of each key is discussed individually below. Pressing MENU will cause display to show C A L, then pressing SET will display calibration offset. Pressing the INCREASE key while holding down the SET key increases the oven set temperature, as indicated on the temperature display. -
Page 9: Operation
Operation The 700 Series ovens maintain a set temperature until that set temperature is changed. To set a temperature, perform the following: Place the power switch in the ON position. All 8s will flash as a test of the display. -
Page 10: Limit Alarms
Power is removed from the heaters when an alarm condition occurs. Display Offsets The 700 Series controllers permit the operator to select a display offset Offsets temperature. With a display offset entered, the temperature displayed will be the actual oven temperature (measured at the control thermocouple) plus or minus the display offset selected. - Page 11 PERATION offset, carry out the following steps: Press the MENU key, the display will indicate CAL. To view the present offset value, press and hold the SET key. To change the display offset, press and hold the SET key. Press INCREASE or DECREASE until the display indicates the desired offset.
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Page 12: Service
Service The following sections describe procedures for servicing the 700 Series ovens. The first procedure, Replacing the Caution Door Gasket, may be performed by most users. However, Service procedures involve exposure all other service procedures involve potential exposure to to line voltage and should be done only line voltage. -
Page 13: Accessing The Electronics Compartment
ERVICE pierces the gasket and threads into the door wrap.) After all four corners are secured, install the remainder of the Phillips head screws. Make sure there is no gap at the gasket joint; stretch the gasket slightly if necessary. 10. -
Page 14: Replacing The Heater
ERVICE Prop up the oven front by placing a shim under each front foot. Use shims between one and one-half and two inches in thickness. Remove the screws securing bezel from bottom of oven. 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. -
Page 15: Replacing The Cooling Fan
ERVICE Remove the two screws securing heater to cabi- net. Slide heater forward to disengage back heater clips, lift back of heater up, then slide heater back and lift out. Install replacement heater and reassemble oven by generally reversing the steps above. Replacing the Cooling Fan To replace a defective cooling fan, proceed as follows: Complete the procedures discussed in... -
Page 16: Replacing The Controller
ERVICE Detach the controller housing (oven bottom) by removing the eight screws which fasten it to the cabinet. Two screws are located on each side of the oven and four on the bottom of the oven. Locate the two access holes for the motor mounting nuts located in the oven floor, in front of and in back of the motor shaft. -
Page 17: Replacing The Solid State Relay
ERVICE Replacing the Solid State Relay To replace a defective solid state relay, proceed as fol- lows: Complete the procedures discussed in Accessing the Electronics Compartment. Consult the schematic and locate the solid state relay (mounted on bezel). Remove four lead wires from their screw-down terminals. -
Page 18: Replacing The Control Thermocouple
ERVICE Replacing the Control Note Thermocouple Observe position in terminal for each To replace a defective control thermocouple, proceed as lead. When re-connecting, be certain follows: to observe polarity. Compare with Complete the procedures discussed in polarity indication on controller hous- Accessing the Electronics Compartment, ing. -
Page 19: Replacing The Door Hinges
ERVICE Replacing Door Hinges To replace a defective door hinge, perform the steps below: Loosen hinge screws, one from each hinge. Remove chamber door. Remove the two mounting screws securing the Caution defective hinge. Service procedures requiring access to the electronics compartment involve Remove defective hinge and mount new hinge exposure to line voltage and should be by replacing the mounting screws. - Page 20 ERVICE Adjust inside nut, one full-turn counter clockwise draws door 1/16 inch closer to cabinet when door is closed. Secure cam tongue in place by tightening out- Caution side nut. Allow oven to cool to ambient tempera- ture before attempting repair. Secure latch cover in place with two screws.
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Page 21: Troubleshooting
Troubleshooting This table is intended to assist in resolving oven problems by relating symptoms to their likely causes. The service discussed below is beyond the scope of most users and should be performed by qualified and trained personnel. Symptom Probable Cause Action No power Unit not plugged in or turned on... -
Page 22: Replacement Parts
Replacement Parts Replacements for oven parts may be ordered, by part number from Technical Service. Item Part Number (ref) Line Cord and Plug Model OV700, OV701, OV702 (120 V) CRX121 (LINE) Model OV700, OV701, OV702 (240 V Int’l) CRX123 Temperature Controller (120 V / 240 V) PCX132 Cooling Fan 120 V... -
Page 23: Performance Characteristics
Performance Characteristics Operating Range 50 to 275° Average Uniformity @ 200° Forced Air Models ±3°C Gravity Models ±4°C Resolution 1 °C Control Sensitivity ±0.5°C Recovery Time @ 200°C** Model OV700F 1.0 minutes Model OV700G 1.0 minutes Model OV701F 2.0 minutes Model OV701G 3.0 minutes Model OV702F... -
Page 24: Specifications
Specifications Electrical Requirements OV700F ovens 52301-50 120 V, 11.5A, 1380W, 60 Hz 52301-55 240 V, 5.8A, 1392W, 50/60 Hz OV700G ovens 52301-40 120 V, 11A, 1320W, 60Hz 52301-45 240 V, 5.5A, 1320W, 50/60Hz OV701F ovens 52301-20 120 V, 15.5A, 1860W, 60 Hz 52301-25 240 V, 7.8A, 1870W, 50/60 Hz OV701G ovens... -
Page 25: Schematic
Schematic... -
Page 26: Warranty
Warranty Cole-Parmer warrants to the direct purchaser that the representation made accurately reflect the manufactur- er’s representations to. To the extent permissible, we will make available to its direct purchaser the manufac- turer’s warranty. Every item is warranted to be free of defects in material and workmanship under normal use and service for a period of 2 years after installation or 26 months from date of delivery.
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