Endress+Hauser NAR 300, Руководство по эксплуатации

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Installation NAR300 system for high temperature
26 Hauser
5.2 Installation conditions
14
A
1
3
5 6
7
8
9
10
11 12
13
15
16
17
18 19
20
3
a
a
2
4
A0039906
 15 NRR26x
A Class A grounding work (TIIS specification only)
a Alarm output
1 Tank
2 Junction box
3 Ground line (TIIS specification only)
4 Divider
5 U-shaped groove
6 Screen
7 Pit
8 Pit cover
9 Float guide
10 Chain
11 Weight
12 Float sensor NAR300
13 Dispensing nozzle (100 mm (3.94 in) or above)
14 Dedicated cable (included with NAR300)
15 Valve
16 Drainage groove
17 Ex [ia] sensor I/F Ex box
18 U-bolts (JIS F 3022 B50)
19 NRR261 (Ex d [ia] transmitter)
20 NRR262 (Ex [ia] transmitter]
To ground the barrier, connect to the tank or use the remote cable's shield. For more
on using the remote cable's shield, refer to "Electrical connection."