DFC 802 Manual

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

Model 802

Furnace Manual

DFC

Ceramics

Table of Contents

Need help?

Do you have a question about the 802 and is the answer not in the manual?

Questions and answers

Summary of Contents for DFC 802

Page 1 Model 802 Furnace Manual Ceramics...
Page 2 DFC Ceramics 515 S. 9 Cañon City, Colorado, USA Tel: 719-275-7525 Fax: 719-275-2051 Email: sales@dfcceramics.com...
Page 3 Installation and Operating Manual For a DFC Ceramics 802 Electric Furnace With Lift Door xxxV, Three Phase, 60 Hz 8020xxx36LBNO SN xxx Ceramics...
Page 4: Environmental Conditions
Model 802 Cupellation Furnace Part No. 8020xxx36LBNO Supply Voltage xxxV, 3 Phase, 15 KVA Environmental Conditions – A. The unit is for indoor use only. B. The unit is for use within the ambient tempera- ture range of 5°C and 40°C.
Page 5: Table Of Contents
Thermocouple Reference Table …………………………………………………34 Allen-Bradley 500L DOD 930 Contactor Information ……………..35 Honeywell UDC120L Manual …………………………………………………….54 Honeywell UDC2500 Quick Start……………………………………………….57 Product Data………………………………………………………………………………58 Attachments: Honeywell UDC2500 Universal Digital Controller Manual Electrical Schematic 802-02-004 Model 802 Unit Sketch Heating Element Connections 802-01-008 Insulation Detail 802-01-003 Ceramics...
Page 6: Warranty
Company will be considered valid or will be recognized. This warranty does not apply to and there is no warranty by DFC Ceramics, express, implied or statuto- ry, respecting (a) parts or accessories which are not of its manufacture...
Page 7: Power And Facility Requirements
Mechanical The Customer is to provide an extraction system and exhaust stack to carry off the working chamber effluents. The 802 is equipped with two exhaust ports which must be connected to a main laboratory extraction system provided by the customer. The customer must provide a system where the lead and fumes will be recovered through ‘Wet Scrubbers’...
Page 8: Shipping And Delivery
SHIPPING Purchaser should state when ordering the exact method of shipment preferred. In absence of shipping directions, the Company will use its best judgment in routing the shipment. All goods are shipped at buyer’s risk. If Purchaser gives the transportation company a clean receipt for damaged goods or for shipment upon which there are shortages, he does so at his own risk.
Page 9: Claims And Returns
CLAIMS FOR SHORTAGE Each shipment shall be examined by the purchaser promptly upon their receipt thereof, and any claim for shortage or any other cause must be reported to the Company within thirty (30) days after such receipt, or Purchaser will be deemed to have accepted shipment and to have waived any claim it might have.
Page 10: Uncrating And Installing
UNCRATING AND INSTALLING THE 802 FURNACE Remove crating from upper and lower unit •...
Page 11 UNCRATING AND INSTALLING CONTINUED Remove tape from all tools and thermocouples. • Place the thermocouples in the back of lower unit. •...
Page 12 UNCRATING AND INSTALLING CONTINUED Remove packaging from power cables. • Install main power to the lower unit. •...
Page 13 UNCRATING AND INSTALLING CONTINUED Make sure eye bolts are secure on top of upper unit. • Remove both steel mesh covers from the sides of the upper unit. •...
Page 14 UNCRATING AND INSTALLING CONTINUED Using a fork lift place the lower unit in the desired place. Note: • Place unit in a space at least 34” of side clearance to provide enough room for element replacement. Place unit on a non- combustible floor.
Page 15 UNCRATING AND INSTALLING CONTINUED Pull the power cables through the holes in the upper unit’s ele- • ment guard support bracket. Remove the straps from the dummy elements. •...
Page 16 UNCRATING AND INSTALLING CONTINUED Remove the bands from the door. • Remove the shipping jacks from the inner chamber. •...
Page 17 UNCRATING AND INSTALLING CONTINUED Completely remove the dummy elements from the upper unit. • Install SIC Elements. Refer to the Element Replacement section • in this manual for any additional assistance. Warning: Use extreme caution, SIC Elements are very brittle.
Page 18 UNCRATING AND INSTALLING CONTINUED Use the Nickel Thread Guard between the SIC Elements and • straps. Install straps onto the SIC Elements. •...
Page 19 UNCRATING AND INSTALLING CONTINUED Attach the power cables to the Heating Elements. • Reattach the Steel Mesh covers to the sides of the upper unit. •...
Page 20 UNCRATING AND INSTALLING CONTINUED Install the Hearth Tile inside of the Chamber. • Install the Thermocouples into the holes provided on the back of • the lower unit. Installation is now complete. • IMPORTANT! Read Furnace Operation section before operating •...
Page 21: Furnace Operation
Operation section for more detail regarding controller program- ming. F. The 802 Model Cupellation Furnace is equipped with a secondary tempera- ture control device, the Honeywell UDC120L. It functions as a safeguard against the possibility of a sticking main contactor. In the event the main con- tactor sticks and no longer reacts to the output signal from UDC2500, the UD- C120L’s set point will trip the disconnect a secondary contactor placed in series...
Page 22 Chamber Ventilation A. A damper is provided to adjust the air flow out of the furnace chamber. Pull the damper rod forward to open the damper or push to close. B. Specific air flow values from the exhaust hood and chamber should be met to provide adequate ventilation of hazardous fumes.
Page 23 C. To replace a heating element refer to the Heating Element Replacement section in this manual. CAUTION– Heating elements of the 802 model furnace are of a fused crystal- line material and are fragile. Do not twist, bend or strike the heating bars. Use minimal side pressure to install the spring clamps.
Page 24 MANUAL/AUTOMATIC FURNACE OPERATION Mode of Operation: MANUAL When the Cycle Selector switch is placed into the MANUAL position, a multitude of events will take place. Only the control power LED will be energized. • Honeywell Temperature Controller is placed into a Single Set Point mode, allowing only •...
Page 25 MANUAL/AUTOMATIC FURNACE OPERATION Mode of Operation: AUTOMATIC When the Cycle Selector switch is placed into the AUTOMATIC position, a multi- tude of events will take place. Both the Automatic Cycle & Control Power LED will be energized. • The Electronic 7-day Timer is energized & will remain while in Automatic Cycle. •...
Page 26 NOTE: Refer to the Honeywell UDC2500 Universal Digital Controller Product Manual for complete operating and programming instruction specific to the controller itself. IMPORTANT: DFC Ceramics and/or Canon Industrial Ceramics is not liable for the un- warranted changing of or tampering with the UDC2500 Honeywell Controller, its factory pro- gramming and/or set points programmed by DFC Technicians during the manufacturing pro- cess.
Page 27: Heating Element Replacement
HEATING ELEMENT REPLACEMENT New heating elements are replaced through the side of the furnace. Thirty-four (34”) • inches of space is necessary to provide enough room for replacement. Disconnect high voltage supply at the service switch. • Always observe two general precautions with the heating elements for your furnace: •...
Page 28: Troubleshooting
TROUBLESHOOTING 1. Sudden heat loss Power Failure Bad elements even if new 2. Slow to heat up Elements going bad Small conducting cross section Loose terminal strap around elements 3. Lower element burn out Raise height of hearth plate 4. Indicating Temp to low T/C very near failure (low output) 5.
Page 29: Explanation Of Safety Symbols
EXPLANATION OF SAFETY SYMBOLS IEC60417-5019 Is the main earth (ground) Connection to building ground. (Protective Conductor Terminal) IEC60417-5017 Is earth (ground) connection to the furnace frame. ISO70000-0434 Caution, risk of Danger IEC60417-5041 Hot surface. Too hot to touch with bare hand.
Page 30: Replacement Parts List
Model 802 Slider Bracket • C80200004 Model 802 Slider • C80200005 Model 802 Fiber Block • C80200002 Model 802 Handle • C80200001 Model 802 Door Front Plate • C80200008 Marinite Board Heat Shield • C80200039 Heat Shield Mount Brackets •...
Page 31 Indicating Light Green • C14208507 Fuse 5 Amp • C02000106 Axial Cooling Fan • C14208507 Type K Lead Wire • C02000106 Amber Element Light • C80200034 802 Power Cables • C80200035 Terminal Lug • C14008901 Spring Clamp • C14069401 Jumper Strap •...
Page 32: Intermatic Electronic Timer Manual
INTERMATIC ELECTRONIC 7 DAY TIMER MANUAL...
Page 34: Thermocouple Reference Table
THERMOCOUPLE REFERENCE TABLE...
Page 35: Allen-Bradley 500L Dod 930 Contactor Information
ALLEN– BRADLEY 500L DOD 930 CONTACTOR...
Page 54: Honeywell Udc120L Manual
HONEYWELL UDC 120L MANUAL...
Page 57: Honeywell Udc2500 Quick Start
HONEYWELL UDC2500 QUICK START GUIDE W/ FURNACE SETTINGS...
Page 58: Product Data
PRODUCT DATA...