Subscribe to Our Youtube Channel
Related Manuals for GESTRA NRG 16-36
Summary of Contents for GESTRA NRG 16-36
- Page 1 Level Electrode NRG 16-36 Original Installation Instructions 819257-01 E n g l i s h...
-
Page 2: Table Of Contents
..........5 Technical data NRG 16-36 ..............................6 Scope of supply ............................6 Name plate/marking ..........................6 Installation Tools ...............................7 Dimensions NRG 16-36 ...........................8 Key .................................9 NRG 16-36, step 1 ..........................10 NRG 16-36, step 2 ..........................10 Table "Functions"..........................10 Examples of installation NRG 16-36 ............................11... - Page 3 Electrical connection Connection of level electrode ........................12 NRG 16-36, connecting terminals ......................12 Tools ..............................12 Wiring diagram .............................13 Key ...............................13 Commissioning, fault indication and troubleshooting ..............14 Removing and disposing of the level electrode Removing and disposing of level electrode NRG 16-36 ................14...
-
Page 4: Important Notes
Important notes Usage for the intended purpose The level electrode NRG 16-36 is used in conjunction with level switch NRS 1-50 as water level limiter for steam boilers and (pressurized) hot-water installations and in conjunction with level switches NRS 1-52 / NRS 1-54 or NRS 1-2 / NRS 1-5 as water level controller. -
Page 5: Directives And Standards
Ex zones 1, 2 (1999/92/EC). The equipment does not bear an Ex marking. Note that the requirements of the IEC 61508 are not met if the NRG 1...-50, NRG 1...-11, NRG 16-36 + Zener barriers + NRS 1-50 are interconnected! -
Page 6: Technical Data
Gylon® is a registered trademark of Garlock Sealing Technologies, Palmyra NY, USA Scope of supply NRG 16-36 1 Level electrode NRG 16-36, PN 40 1 Joint ring 48 x 55, form D to DIN 7603, made from 2.4068, bright annealed 1 Installation manual... -
Page 7: Installation
For the approval of the boiler standpipe the relevant regulations must be considered. Refer to pages 11 for typical installation examples. If installed outdoors the level electrode must be equipped with a GESTRA weather protection cover. Attention The level electrode shall be installed vertically. -
Page 8: Dimensions Nrg 16-36
Dimensions NRG 16-36 Fig. 2 Fig. 3 ∅23 NRG 16-36 (dimensions are applicable for conductivity NRG 16-36 (dimensions are applicable for conductivity > 10 μS/cm / measuring length < 1000 mm) < 10 μS/cm / measuring length > 1000 mm) -
Page 9: Key
Installation - continued - Dimensions NRG 16-36 - continued - ∅ 56 G1½, ISO 228-1 Fig. 4 Fig. 5 Insulation of electrode tips Thermal insulation, provided on site, d = 20 mm (outside of thermal insulation of steam Spacer disc... -
Page 10: Nrg 16-36, Step 1
Installation - continued - NRG 16-36, step 1 1. Determine required measuring lengths of electrode tips and enter data in table "Functions". Fig. 2: Dimensions are applicable for installation in water with a conductivity > 10 µS/cm / measuring length < 1000 mm. Measuring surface extension 9 not required Fig. -
Page 11: Examples Of Installation
Examples of installation NRG 16-36 G 1½ DN 20 G 1½ DN 50 DN 20 ≤ 90° DN 20 ∅ 20 Fig. 7 Fig. 6 Level pot if electrode is used as external water Protection tube (provided on site) if electrode... -
Page 12: Electrical Connection
, e. g. LiYCY 5 x 0.5 mm , max. length 100 m. Connect the screens only once to the central earthing point (CEP) in the control cabinet. NRG 16-36, connecting terminals 1. Unscrew the fixing screws and remove the terminal box. Loosen cable gland. -
Page 13: Wiring Diagram
Low water LW Contr. Rég. Reg. Fig. 9 Level electrode NRG 16-36 NRS 1-50 with response sensitivity 0.5 µS/cm: Connect the two internal screens to terminal 5 and the CEP. Central earthing point (CEP) in control cabinet Terminal box Cable gland for low water LW... -
Page 14: Commissioning, Fault Indication And Troubleshooting
Before carrying out installation and maintenance work make sure that the equipment is cold. Removing and disposing of level electrode NRG 16-36 1. Unscrew the fixing screws and remove the terminal box. Loosen cable gland. 2. Detach all cables and pull the cable glands. - Page 15 For your Notes...
- Page 16 Agencies all over the world: www.gestra.de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon +49 421 3503-0 Telefax +49 421 3503-393 E-mail info@de.gestra.com www.gestra.de 819257-01/04-2017csa (808906-01) · GESTRA AG · Bremen · Printed in Germany...
Need help?
Do you have a question about the NRG 16-36 and is the answer not in the manual?
Questions and answers