62
VERSION 01/2018
ORDER NUMBER DOC 2385674
TOPFINISH Bell 1S
13 INSPECTIONS
13.1 INSPECTIONS IN ACCORDANCE WITH DIN 50176
If the system is used for electrostatic coating with ignitable liquid coating products
(solvent-based lacquers), the inspection in accordance with DIN EN 50176: 2010-04 as per
table 3 must be performed.
13.1.1 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 ignition of cleaning
agents
After switching off the high voltage and before using ignitable
solvents, safely discharge all parts carrying high voltage.
7
Protection against direct contact
Safe switch-off of the high voltage for access to live system parts
8
Grounding inspection
Grounding of the complete system
9
Locking device/Entry protection
Safe switch-off of the high voltage for access to live system parts
10
Inspection of fire extinguishing system Inspection of local fire extinguishing system
11
Inspection of conductive parts in the
coating product system
Inspection of conductive parts of the coating product supply for
grounding and potential
12
Minimum distance in air
Minimum distance between grounded and high-voltage
conducting parts
Further inspections must be performed in accordance with EN 12215.
13.1.2 INSPECTION INTERVALS IN ACCORDANCE WITH TABLE 4 OF DIN EN 50176: 2010-04
Section
Inspection point
Inspection interval
category 2
Inspection interval
category 3
1
Safe operational condition of the
complete system
12 months
12 months
2
Effectiveness of technical ventilation
Continuously
Continuously
3
Overcurrent cut-out
Whenever the system is
switched on
Whenever the system is
switched on
4
Undervoltage cut-out
Whenever the system is
switched on
Whenever the system is
switched on
5
Discharge energy
Weekly
Weekly
6
Ignition protection for ignitable
cleaning agents
Before all cleaning tasks
Weekly
7
Anti-contact guard
Weekly
Weekly
8
Grounding measures
Weekly
Weekly
9
Locking device/Entry protection
Weekly
Weekly
10
Fire extinguishing system
6 months
6 months
11
Conductive parts of the coating
product system
Weekly
Weekly
12
Minimum distance in air
Weekly
Weekly