Carbolite HRF (MF05) User Manual
Page 2
HRF
2
MF05 – 3.25
1.0 I
NTRODUCTION
1.1 HRF models
Model HRF 7/22 is a bench-mounted laboratory furnace.
Models HRF 7/112 and HRF 7/324 are floor-mounted industrial furnaces.
This manual covers both types of furnace.
1.2 Switches and Lights
1.3 Warning Symbols
Instrument switch: when the instrument switch is operated the temperature
control circuit is energised.
Heat Light: the adjacent light glows or flashes to indicate that power is
being supplied to the elements
DANGER of electrical shock– read any warning printed by this symbol.
DANGER – hot surface. Read any warning printed by this symbol.
WARNING: all surfaces of a furnace may be hot.
DANGER – read any warning printed by this symbol.