Carbolite CF 15 - CF 60 User Manual

MF28 3.08 1 Installation, Operation & Maintenance Instructions Cupellation Furnaces types CF 15 - CF 60 This manual is for the guidan

10 MF28 3.08 4.5 Element Ageing Silicon carbide elements gradually increase in resistance with use: a process known as ageing. Their

MF28 3.08 11 5.0 REPAIRS & REPLACEMENTS 5.1 Safety Warning – Disconnection from Supply Always ensure that the furnace is disconnected from t

12 MF28 3.08 5.5 Thermocouple Replacement Disconnect the furnace from the supply, and remove the furnace back panel. Make a note of

MF28 3.08 13 5.7 Fuse Replacement Fuses are marked on the circuit diagram (section 7.0) with type codes, e.g. F1, F2. A list of the correct fuses

14 MF28 3.08 6.0 FAULT ANALYSIS A. Furnace Does Not Heat Up 1. The HEAT light is ON  The heating element has failed  Check al

MF28 3.08 15 7.0 CIRCUIT DIAGRAMS In these models the safety switch in the diagram is a positive-break door switch. 7.1 Single Phase

16 MF28 3.08 3-phase without neutral (delta – e.g. 208-240V) 7.3 3-phase without neutral (star – e.g. 380V or abov

MF28 3.08 17 8.0 FUSES & POWER SETTINGS 8.1 Fuses F1-F3: Refer to the circuit diagrams. F1 Internal supply fuses Fitted if supply cable

18 MF28 3.08 9.0 SPECIFICATIONS Carbolite reserves the right to change specifications without notice. 9.1 Models Covered by this Man

MF28 3.08 19

2 MF28 3.08 Please read the controller manuals before operating the furnace.

Carbolite, Parsons Lane, Hope, Hope Valley, S33 6RB, England. Telephone: +44 (0)1433 620011 Fax: +44 (0)1433 621198 E-mail: [email protected] The pr

MF28 3.08 3 1.0 SYMBOLS & WARNINGS 1.1 Switches and Lights 1.2 Warning Symbols Instrument switch: when the instrument swit

4 MF28 3.08 2.0 INSTALLATION 2.1 Unpacking & Handling Lift the furnace or its component sections by the base: do not apply any f

MF28 3.08 5 2.6 Electrical Connections Connection by a qualified electrician is recommended. Cupellation models have three internal circuits an

6 MF28 3.08 3.0 OPERATION The instructions for operating the temperature controller are given in a separate manual. If the furnac

MF28 3.08 7 Avoid burns: furnace surfaces can be hot. Before you remove a hot object from the furnace make sure you have a safe place to put it do

8 MF28 3.08 3.5 Overtemperature Control The furnace may be fitted with a “chamber overtemperature control”, if this has been ordered. T

MF28 3.08 9 4.0 MAINTENANCE 4.1 General Maintenance Preventive rather than reactive maintenance is to be preferred. The type and frequency depend