Carbolite VMF/ASTM Series - Manual (Page 3)

SNF
MF31 – 3.06
3
2.0 I NSTALLATION
2.1 Unpacking & Handling
When unpacking or handling the furnace always lift it by its case. Do not apply lifting force to any
protruding part..
Remove any packing material from the furnace lid or chamber before use.
NOTE: This product contains Refractory Ceramic Fibre (better described as Alumino Silicate
Wool) for precautions and advice in handling this material see the ‘Repairs and Replacements’
section.
2.2 Siting & Setting Up
Place the furnace in a well ventilated room, away from other sources of heat, and on a surface
which is resistant to accidental spillage of hot materials. Do not mount the furnace on an
inflammable surface.
Ensure that there is free space around the furnace. Do not obstruct any of the vents in the case:
they are needed to keep the controls and the case exterior cool.
Ensure that the furnace is placed in such a way that it can be quickly switched off or disconnected
from the electrical supply - see below.
The furnace is supplied with a crucible holder (a small component made of wire). Ensure that this
is present.
2.3 Electrical Connections
Connection by a qualified electrician is recommended.
The furnace requires a single-phase A.C. supply with earth (ground). The supply may be Live to
Neutral non-reversible, Live to Neutral with reversible plug, or Live to Live.
Check the furnace rating label before connection. The supply voltage should agree with the voltage
on the label, and the supply capacity should be sufficient for the amperage on the label.
The supply should be fused at the next size equal to or higher than the amperage on the label. A
table of the most common fuse ratings is also given in section 9 of this manual. Where a supply
cable is present there are internal supply fuses; customer fusing is preferred but not essential.
The furnace is fitted with a supply cable: either wire directly to an isolator or fit with a line plug. A
connection to an isolating switch should operate on both and should be within reach of the
operator. A line plug should be quickly removable, and should be within reach of the operator.
The supply MUST incorporate an earth (ground).
CONNECTION DETAILS supply type
Supply Terminal label Cable colour Live-Neutral Reversible or Live-Live
1-phase L Brown To live to either power conductor
N Blue To neutral to the other power conductor
PE Green/Yellow To earth (ground) to earth (ground)