Schaller Automation Visatron VN2020 User Manual

Operating manual  VISATRON® Oil Mist Detector  VN2020 / VN2020 EX
Part number 183001  Version 3.0
117
MAINTENANCE AND REPAIR
Description
Interval every six months or after every
4,000 operating hours (whichever occurs first)
No./action
Hours
4,000
8,000
12,000
16,000
See Section
Required
parts/
tools
Or months
6
12
18
24
1.
Check the supply pressure
setting at the measuring head:
▪ Negative pressure
< 55 mmWC (5.5 mbar)
➔ Adjust negative pressure
▪ Negative pressure between
55 mmWC and 65 mmWC
➔ OK
▪ Negative pressure above
85 mmWC
➔ Adjust negative pressure
X
X
X
X
6.5.3
U-tube
manometer
(270532)
or
Digital
manometer
(151800)
2.
Clean the light path in the
measuring head
X
X
X
X
9.1.2
Cleaning kit
(151482)
3.
Function test using smoke tube
(mist test)
X
X
X
X
9.1.4
Smoke Test
Box (151780)
4.
Replace the air filter in the
pressure regulator unit
X
X
X
X
9.1.3
Maintenance
kit VN2020
(155006)
5.
Replace inspection cover seal
X
X
X
X
9.3.3
Maintenance
kit VN2020
(155006/
155004)
6.
Replace connection box seal
X
X
9.1.5
Maintenance
kit VN2020
(155006)
7.
Clean the intake system with
compressed air
X
X
-
Compressed
air (max. 6 bar)
8.
Replacing the seal on the
mounting plate
X
X
9.3.4
Maintenance
kit VN2020
(155006)

Schaller Automation Visatron VN2020 Specifications

General

Brand	Schaller Automation
Model	Visatron VN2020
Category	Security Sensors
Language	English