53
8024250/18HT/V2-0/2020-12| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-G
Subject to change without notice
INSTALLATION
5
5.10.15
Connecting the valve cable of the analyzer unit to the solenoid valve
Fig. 19: Protective conductor connection
Fig. 20: Terminal connection unit with integrated device protection fuse
5.10.16
Connecting the pneumatic unit to the solenoid valve
5.10.17
Closing the enclosure
▸
Check all enclosure parts are tightly closed. The rotating covers must be fixed with the
clamping screw.
▸
Close all cable inlets “flame-tight”. In order to adhere to the ATEX regulations, all cable
glands have to be sealed off. The sealing compound is enclosed to the delivery and a
detailed processing instruction can be found on the packaging of the sealing compound.
Connection
terminal
Function
Wire bundle
No.
Cross-section
(mm²)
Colors
Additional
information
1
Solenoid valve
0.75
Blue
3
Solenoid valve
0.75
Black
PE
Solenoid valve
0.75
Green-yellow
1
Screw
2
Lock washer
3
Clamping bracket
4
Connection cable
5
Washer
PE
Connection
terminal
Function
Wire bundle
No.
Cross-section
(mm²)
Colors
Additional
information
1
Solenoid valve
0.75
Blue
2
Solenoid valve
0.75
Black
PE
Solenoid valve
0.75
Green-yellow
WARNING: Danger of explosion
Open or insufficiently closed cable inlets can lead to sparks escaping the enclosure and
causing explosions.
▸
Only one thread adapter may be used per cable inlet.
▸
Use the sealing compound according to the manufacturer's instructions.
