63
VERSION 01/2018
ORDER NUMBER DOC 2385674
TOPFINISH Bell 1S
13.2 INSPECTIONS IN ACCORDANCE WITH DIN EN 50348
If the system is used for electrostatic coating with non-ignitable liquid coating products
(water-based lacquers), the inspection in accordance with DIN EN 50348: 2010-05 as per
Table 3 must be performed.
13.2.1 OVERVIEW OF INSPECTIONS
Section
Type of inspection
Requirements
1
Inspection for safe operational condition Safe operational condition of the complete system
2
Inspection of technical ventilation
Effectiveness of technical ventilation
3
Switch-off of the high voltage in
voltage-controlled and constant voltage
operating modes
Safe switch-off of high voltage
4
Switch-off of high voltage in constant
current operating mode
Safe switch-off of high voltage
5
Protection against excessively high
discharge energy
Safe discharge of all high-voltage conducting parts
after switching off high voltage
6
Protection against direct contact
Safe switch-off of the high voltage for access to live
system parts
7
Grounding inspection
Grounding of the complete system
8
Locking device/Entry protection
Safe switch-off of the high voltage for access to
live system parts
9
Inspection of conductive parts
in the coating product system
Inspection of conductive parts of the coating
product supply for grounding and potential
10
Minimum distance in air
Minimum distance between grounded and high-
voltage conducting parts
Further inspections must be performed in accordance with EN 12215.
13.2.2 INSPECTION INTERVALS IN ACCORDANCE WITH TABLE 4 OF DIN EN 50348: 2010-05
Section
Inspection point
Inspection interval
1
Safe operational condition of the complete
system
12 months
2
Effectiveness of technical ventilation
Continuously
3
Overcurrent cut-out
Weekly
4
Undervoltage cut-out
Weekly
5
Discharge energy
Weekly
7
Anti-contact guard
Weekly
8
Grounding measures
Weekly
9
Entry protection
Weekly
11
Conductive parts of the coating product system
Weekly
12
Minimum distance in air
Weekly