VERDER 3508, Инструкции по установке, эксплуатации и обслуживанию

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5.3 Maintenance Schedule
CUSTOMER
QUALIFIED PERSONNEL
DANGER! ELECTRIC SHOCK . Risk of fatal injury. Only electrically
qualified personnel should attempt these maintenance procedures.
Maintenance
Procedure
Method
Frequency
Daily Weekly Monthly
Bi-
Annually
Annually
Safety
Over-Temperature Safety Circuit
(if fitted)
Set an over-temperature setpoint
lower than the displayed tem-
perature and check for an over-tem-
perature alarm as detailed in this
manual
Over-Temperature Safety Circuit
(if fitted)
Electrical measurement
Safety Switch Function
(split models only)
Set a safe temperature above ambi-
ent, and open the furnace to see if
the heater light goes out
Safety Switch Function
(split models only)
Electrical measurement
Electrical Safety (external)
Visual check of external cables and
plugs
Electrical Safety (internal)
Physically check all connections and
cleaning of the power plate area
Function
Temperature Calibration
Tested using certified equipment, fre-
quency dependent on the standard
required
Operational Check
Check that all functions are working
normally
Operational Check
Thorough inspection and report incor-
porating a test of all functions
Work Tube Position
Visually check that the tube is central
to the heated zone (horizontally / ver-
tically)
End Plugs / Radiation Shields
Visual check for damage or wear,
and correct positioning
Seals (if fitted)
Check all seals and O-rings and
clamps
Performance
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