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Replacement of Main Boards
CAUTION:
Replacement of main boards should only be carried out if
unavoidable, and must only be carried out by trained personnel.
When replacing the power supply board, observe the transformer colour and case
labelling to
check the supply voltage
, otherwise irreparable damage may occur. If the
display or input boards are replaced, a full recalibration
must
be carried out.
Panel Mounting
Gasket
Mounting Panel
Ratchets
Instrument
Housing
Slide mounting clamp over the
instrument housing towards
rear face of mounting panel
until the tongues engage in
ratchets and instrument is
clamped in position.
Hold instrument firmly in
position (apply pressure to
bezel only)
CAUTION:
Do not remove the panel gasket; it is a seal against dust and
moisture.
CAUTION:
The instrument is double insulated. All external circuits
connected must provide double insulation. Failure to comply with the
installation instructions may impact the protection provided by the unit.
Rear Terminal Wiring
Note:
The wiring diagrams shows all possible option combinations. The connections required depend
on the options fitted. Use single strand (1.2mm / AWG18 max size) copper wire, except for the
thermocouple input, where the correct thermocouple or compensating cable and connectors should
be used.