NAR300 system Table of contents
Endress+Hauser 3
Table of contents
1 About this document ................ 4
1.1 Document function ..................... 4
1.2 Symbol .............................. 4
1.3 Documentation ........................ 6
2 Basic safety instructions ............ 8
2.1 Requirements for personnel ............... 8
2.2 Designated use ........................ 8
2.3 Workplace safety ....................... 8
2.4 Operational safety ...................... 9
2.5 Product safety ......................... 9
3 Product description ................ 10
3.1 Product design ........................ 10
3.2 Technical data ........................ 10
3.3 Process condition ...................... 12
3.4 Delivery example of each order code ........ 13
3.5 Operating conditions ................... 16
3.6 Gasoline application .................... 16
4 Incoming acceptance and product
identification ..................... 17
4.1 Incoming acceptance ................... 17
4.2 Product identification .................. 17
4.3 Manufacturer contact address ............ 26
4.4 Storage and transport .................. 26
5 Installation ....................... 28
5.1 NAR300 system dimensions ............. 28
5.2 Installation considerations ............... 32
5.3 Mounting of the NAR300 system .......... 34
5.4 Adjustment .......................... 39
6 Electrical connection .............. 40
6.1 Grounding cable ....................... 40
6.2 NRR261-2/4/A/B/C wiring .............. 41
6.3 NRR262-2/4/A/B/C wiring .............. 43
6.4 Wiring of NRR261-3/5 ................. 45
6.5 Connection diagram .................... 47
6.6 Principle of alarm operation .............. 48
7 Diagnosis and troubleshooting ..... 49
7.1 Fail safe (alert when oil is not leaking) ...... 49
7.2 Alert delay (no alert when oil is leaking) ..... 49
7.3 Operation confirmation ................. 50
7.4 Cleaning the conductivity sensor .......... 54
7.5 Firmware history ...................... 54
8 Maintenance ...................... 55
8.1 Maintenance work ..................... 55
8.2 Endress+Hauser services ................ 55
9 Repair ............................ 56
9.1 General information on repairs ............ 56
9.2 Spare parts .......................... 56
9.3 Endress+Hauser services ................ 56
9.4 Return .............................. 57
9.5 Disposal ............................ 57
10 Accessories ....................... 58
10.1 Float guide .......................... 58
10.2 U bolts and cable gland (waterproof) ....... 59
Index .................................. 60
