4123 Series User Manual
Repair, Maintenance and Warnings
D004-000017
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12.2 Maintenance
Maintenance should be performed by authorized personnel. The only maintenance is periodic
inspections for damage and proper operation. Any damaged parts or damaged cabling entering into
the unit, need to be replaced promptly to ensure that the safety methods used, and their integrity are
still valid.
The following details must be checked during installation and maintenance:
•
Damage to the enclosure and seals
•
Cables are held securely in place
•
Clean unit enclosure with non-corrosive and noncombustible chemicals
•
Any damage can invalidate the systems safety integrity
•
National and local safety regulations
•
National and local accident prevention regulations
•
National and local assembly and installation regulations
•
General recognized technical regulations
•
Safety instructions within this document
•
Characteristic values and rated operating conditions
•
Product needs to maintain continuous operating temperature; the system should be observed
frequently to insure system stability.
•
Provision shall be made external to the equipment, to provide the transient protection device
to be set at a level not exceeding 140% of the peak rated voltage value of 85V.
•
Continuous energization of the overall equipment. Any interruptions in energization of any
length requires a visual inspection for condensation / frost on any part followed by a warm-
up period involving just the internal heaters and fans, with the electronics energized and the
heaters de-energized only after the internal temperature exceeds 25°C.
