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I
NSTALLATION
2.1
Unpacking & Handling
When unpacking or moving the furnace always lift it by its base. Never lift it by the door. Even
the smaller models contain transformers and are heavy: use two or more people to carry them.
Remove any packing material from the door gear and from inside the furnace chamber. The door
can be lifted manually and supported open, but in the electric door models it is not
counterbalanced. Close the door with care to prevent any damage to insulation surfaces; or for
electric door models, await electrical connection and close the door electrically.
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. Do not mount the furnace where radiated heat from an open door could
cause damage.
Ensure that there is free space around the furnace. Do not obstruct any of the vents in the case:
there are cooling fans in the case which must not be obstructed.
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.
2.3
Fitting the Heating Elements
Wear eye protection when handling the heating elements. See the warning in section 5.6.
The Molybdenum Disilicide elements are
together with other items as shown in the list.
separately packed
Elements
Element clamps
Element clips
Braids
Separators/Blocks
Chimney unit
Remove the top access panel to allow element fitting. In the case of RHF 17/3, the whole top
cover.
Fit the heating elements vertically into the chamber. Handle the elements with great care. The
installation of these elements is described in section 5.6. Connect the aluminium braids securely as
indicated in the element installation instructions.
2.4
MF22
RHF 17/3
items
RHF 17/10
6
6
12
1 set
6
1
EXCEPTIONALLY FRAGILE
RHF 17/25
HTF 18/3
HTC 18/8
HTF 18/15
6
12
12
1 set
6
1
1700-1800° Chamber
and are packed separately,
HTF 18/27
9
18
18
1 set
9
1
3
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