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THERMOLYNE
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F62700

THERMOLYNE F62700 Operation Manual And Parts List

Thermolyne
Barnstead|Thermolyne Corporation
Type F62700
Furnace
OPERATION MANUAL
AND PARTS LIST
Series 627
F62730 F62730-26 F62734 F62735
LT627X1 • 12/5/00 Serial Number: _______________________________
240V 230V 100V 120V
Single Set Point Single Set Point Single Set Point Single Set Point
°C °C °C °C
IMPORTANT INFORMATION
This manual contains important operating and safety information. The user must carefully
read and understand the contents of this manual prior to the use of this equipment.
Table of Contents
Safety Information.........................................................................................................................2
Alert Boxes..................................................................................................................................3
Warnings......................................................................................................................................3
Introduction..................................................................................................................................4
Intended Use...........................................................................................................................4
Principles of Operation..............................................................................................................4
Single Set Point Temperature Controller....................................................................................4
General Specifications..................................................................................................................5
Unpackaging................................................................................................................................6
Installation....................................................................................................................................6
Site Selection...........................................................................................................................6
Operation.....................................................................................................................................7
Single Set Point Temperature Control (Automatic)......................................................................7
Initial Startup.............................................................................................................................7
Adjustment of Parameters.........................................................................................................8
Set Point Temperature..............................................................................................................8
Furnace Loading..........................................................................................................................9
Preventative Maintenance...........................................................................................................10
Troubleshooting.........................................................................................................................11
Maintenance and Servicing.........................................................................................................13
Thermocouple Replacement (Type K).....................................................................................13
Muffle (Heating Element) Replacement....................................................................................14
Diagram Component List.............................................................................................................15
Replacement Parts List...............................................................................................................16
Ordering Procedures ..................................................................................................................17
Material Safety Data Sheet...........................................................................................................18
Warranty.....................................................................................................................................20
Safety Information
Your Thermolyne furnace has been designed with function, reliability, and safety in mind. It is the user’s responsibility to install it in conformance with local electrical codes. For safe operation, please pay attention to the alert boxes throughout the manual.
2
Alert Boxes
WARNING
Warning alerts apply when there is a possibility of personal injury.
CAUTION
Caution alerts apply when there is a possibility of damage to the equipment.
NOTE
Notes alert the manual user to pertinent facts and conditions.
Warnings
WARNING
To avoid electrical shock, this furnace must:
1. Use a properly grounded electrical outlet of correct voltage and current handling capacity.
2. Disconnect from the power supply prior to maintenance and servicing.
3. Have the door switch operating properly.
To avoid burns, this furnace must:
1. Not be touched on the exterior or interior surfaces during use or for a period of time after use.
To avoid personal injury:
1. Do not use in the presence of flammable or combustible materials ; fire or explosion may result. This device contains components which may ignite such material.
2. Refer servicing to qualified personnel.
3. THIS FURNACE CONTAINS REFRACTORY CERAMIC INSULATION WHICH CAN PRODUCE RESPIRABLE FIBERS AND DUST WHEN HANDLED. THESE FIBERS CAN CAUSE IRRITATION AND CAN AGGRAVATE PRE-EXISTING RESPIRATORY DISEASE. THE INTERNATIONAL AGENCY FOR RESEARCH ON CANCER (IARC) HAS CLASSIFIED REFRACTORY CERAMIC FIBER AS POSSIBLY CARCINOGENIC.
AFTER SERVICE REFRACTORY CERAMIC FIBER DUST MAY CONTAIN CRYSTALLINE SILICA, WHICH MAY CAUSE LUNG DAMAGE (SILICOSIS) AND WHICH HAS BEEN CLASSED BY IARC AS A PROBABLE CARCINOGEN.
The refractory ceramic materials are located in the door, the hearth collar bricks, and in the chamber of the furnace. Tests performed by the manufacturer indicate that there is no significant risk of exposure to dust or respirable refractory ceramic fiber resulting from operation of the equipment under normal conditions. However, there may be a risk of exposure to respirable refractory ceramic dust or fiber when repairing or maintaining the insulating materials, or when otherwise disturbing the materials in a manner which causes release of dust or fibers therefrom. Through the use of proper handling procedures you can work safely with these insulating materials and minimize any exposure. Accordingly, before you repair or replace any insulating materials, or perform any other servicing on this product which could disturb or cause exposure to dust from insulating materials, you should consult the appropriate Material Safety Data Sheets (MSDS’s) for such products with respect to proper handling and appropriate protective equipment. For additional MSDS’s, or additional information concerning the handling of refractory ceramic products, please contact the Customer Service Department of Barnstead/Thermolyne Corporation.
3 Barnstead |Thermolyne • 800-553-0039
Introduction
Intended Use
The Type F62700 furnace is a general laboratory and heat treating furnace. For optimum element life, it is suggested that this furnace be used for applications requiring temperatures from 400°F (204°C) to 1600°F (871°C) for continuous use, or temperatures from 1600°F (871°C) to 1832°F (1000°C) for intermittent use. Continuous use is operating the furnace for more than 3 hours and intermittent use is operating the furnace for less than 3 hours.
The unit consists of: 1) muffle heating chamber, 2) a single set point P.I.D. microprocessor control and 3) a door interlock relay for user safety.
Principles of Operation
The furnace chamber incorporates a heating element that is embedded into the side walls and top and back of heating chamber. The ceramic fiber oval muffle with four heating surfaces creates even heat distribution within the chamber. The temperature is controlled by a single set point microprocessor control with a type K Chromel/Alumel Thermocouple. A fan is provided in the furnace to provide forced air cooling for the temperature controller. A door safety switch removes power to the heating elements whenever the furnace door is opened.
Single Set Point Temperature Controller
The furnace controller is a single set point control which enables the user to bring the furnace up to a pre­set point and hold the temperature.
Figure 1
Controller
4
General Specifications
MODEL NUMBERS F62730 F62730-26 F62734 F62735
OVERALL WIDTH 23-1/2
(59.7 CM)
DIMENSIONS HEIGHT 16-1/4
(41.3 CM)
IN. (CM.) DEPTH 18-3/4
(47.6 CM)
CHAMBER WIDTH 11-1/2
(29.2 CM)
DIMENSIONS HEIGHT 7-1/2
(19.1 CM)
IN. (CM.) DEPTH 11-1/2
(29.2 CM)
WEIGHT LBS. 55 LBS 55 LBS 55 LBS 55 LBS
(KG) (25 KG) (25 KG) (25 KG) (25 KG)
VOLTS 240 230 100 120
ELECTRICAL
AMPS 6.2 6.4 14.8 12.4
23-1/2
(59.7 CM)
16-1/4
(41.3 CM)
18-3/4
(47.6 CM)
11-1/2
(29.2 CM)
7-1/2
(19.1 CM)
11-1/2
(29.2 CM)
23-1/2
(59.7 CM)
16-1/4
(41.3 CM)
18-3/4
(47.6 CM)
11-1/2
(29.2 CM)
7-1/2
(19.1 CM)
11-1/2
(29.2 CM)
23-1/2
(59.7 CM)
16-1/4
(41.3 CM)
18-3/4
(47.6 CM)
11-1/2
(29.2 CM)
(19.1 CM)
11-1/2
(29.2 CM)
7-1/2
WATTS 1488 1488 1488 1488
RATINGS
FREQ. 50/60 50/60 50/60 50/60
PHASE 1111
OPERATING CONT.
TEMP. INTER-
MITTENT
1600°F
(871°C)
1832°F
(1000°C)
1600°F
(871°C)
1832°F
(1000°C)
1600°F
(871°C)
1832°F
(1000°C)
1600°F
(871°C)
1832°F
(1000°C)
5 Barnstead |Thermolyne • 800-553-0039
Unpackaging
Visually check for any physical damage to the shipping container. Inspect the equipment surfaces that are adjacent to any damaged area. Open the furnace door and remove packing material from inside the furnace chamber. Vacuum the chamber prior to use to remove the insulation dust due to shipping.
The furnace is supplied with two hearth plates. Place the hearth plates on the bottom of the chamber. Install ceramic sleeve into top vent hole on furnace case. Retain the original packaging material if re-shipment is foreseen or required.
Installation
Site Selection:
Install furnace on a sturdy surface and allow adequate space for ventilation.
CAUTION
Be sure ambient temperature does not exceed 104°F (40°C). Ambients above this level may result in damage to the controller.
Allow at least six inches of space between the furnace and any combustible surface. This permits the heat from the furnace case to escape so as not to create a possible fire hazard.
The electrical specifications are located on the specification plate on the back of the furnace. Consult Barnstead/Thermolyne if your electrical service is different than those listed on the specification plate. Prior to connecting your Type F62700 furnace to your electrical supply, be sure the front power switch is in the “OFF” position.
WARNING
Observe These Warnings Before Operating Your Furnace:
To avoid electrical shock, this furnace must be installed by a competent, qualified electrician who insures compatibility among furnace specification, power source and ground code requirements.
WARNING
Do not use in the presence of flammable or combustible chemicals. Fire or explosion may result; this device contains components which may ignite such materials.
WARNING
To avoid burns, this furnace must not be touched on the exterior or interior furnace surfaces during use or for a period of time after use.
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