Nautel NX5 Installation Manual
  1. Manuals
  2. Brands
  3. Nautel Manuals
  4. Transmitter
  5. NX5
  6. Installation manual

Nautel NX5 Installation Manual

Am transmitters
Hide thumbs Also See for NX5:
Table of Contents

Advertisement

Quick Links

Download this manual
2: INSTALLATION MANUAL
NX5/NX3
AM T
RANSMITTER
Document ID:
NHB-NX3-NX5-INS
Version:
3.1
Issue Date:
2021-04-22
Status:
Standard

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the NX5 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Nautel NX5

Summary of Contents for Nautel NX5

  • Page 1 2: INSTALLATION MANUAL NX5/NX3 AM T RANSMITTER Document ID: NHB-NX3-NX5-INS Version: Issue Date: 2021-04-22 Status: Standard...
  • Page 3 For verification of materials, the reader is encouraged to consult the respective manufacturer's most recent publication on the official website or through contact with Customer Service. © Copyright 2021 NAUTEL. All rights reserved. VERSION 3.1 2021-04-22 PAGE 2.III...

  • Page 5: Table Of Contents

    NX5/NX3 INSTALLATION MANUAL TABLE OF CONTENTS CONTENTS Contact Information 2.1.iii Release Control Record 2.vii Preparing for installation 2.1.1 Unpacking and Positioning 2.2.1 Connecting the Station Reference Ground 2.3.1 Connecting Ac Power 2.4.1 Adjusting the Spark Gap 2.5.1 Installing Audio Inputs 2.6.1...
  • Page 6 NX5/NX3 INSTALLATION MANUAL TABLE OF CONTENTS Parts and tools 2.9.1 Contacting Nautel 2.9.1 Parts Supplied by Nautel 2.9.2 Parts Not Supplied by Nautel 2.9.2 Parts Ordering 2.9.2 Module Replacement Program 2.9.2 Tools for Installation 2.9.3 Pre-installation / Installation assistance 2.10.1 Pre-Installation Consulting 2.10.1...

  • Page 7: Release Control Record

    NX5/NX3 INSTALLATION MANUAL Release Control Record ISSUE DATE REASON 2019-06-01 Supports NX5/NX3 hardware NARA66B implementing NAP39C RF Power modules and a shielded arc detector assembly. Supports NX SW version 5.0 and higher. 2021-04-22 Implemented Castor Kit update. VERSION 3.1 2021-04-22...
  • Page 8 NX5/NX3 INSTALLATION MANUAL PAGE 2.VIII VERSION 3.1 2021-04-22...

  • Page 9: Preparing For Installation

    2.1.1). Figure 2.1.1: Tip and drop indicators Report any damage immediately to your Nautel sales representative and the carrier. Move the crates as close as possible to the transmitter’s planned location. Unpack the crates in accordance with the instructions provided on the outside of the crates.
  • Page 10 Assemble your parts and tools. For a list of required tools, see “Parts and tools” on page 2.9.1. When you are ready to install the NX5/NX3 transmitter, follow the steps shown in Figure 2.1.2 on page 2.1.2.

  • Page 11: Unpacking And Positioning

    SECTION 2.2: UNPACKING AND POSITIONING To install an NX5/NX3 transmitter, perform the following tasks: : The NX5/NX3 is housed in a single cabinet, which includes the power transformer. The cabinet is NOTE designed for installation with or without a forklift. Both methods of installation are described in this section.
  • Page 12 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.1: Lifting Access for Forklift or Pallet Jack Partial Front View (lower dress panel removed for clarity) Dimensions of opening: 17 in (430 mm) wide 3.5 in (90 mm) high Extends through rear of cabinet PAGE 2.2.2...
  • Page 13 Adjust the levelers until the NX5/NX3 rests on the floor. If you are not anchoring your transmitter, adjust the levelers until the NX5/NX3 is level. If you are anchoring your transmitter against seismic activity, obtain four 2-1/4 inch square washers (Nautel Part # HPS30) from the ancillary kit.
  • Page 14 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.2: Installing Casters and Leveling the Cabinet Spacer plates (212-8166) Caster M8 hardware (HAW73) (bolt, flat, split, nut) PAGE 2.2.4 VERSION 3.1 2021-04-22...
  • Page 15 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.3: Seismic Anchoring Hole Locations Figure 2.2.4: Installing Dress Panels Partial Front View Partial Rear View Align hooks in panel with Install panel using six slots in transmitter cabinet M5 screws (HMSP32F) Dress Panel 212-8122-02 Dress Panel 212-8122-01 VERSION 3.1 2021-04-22...
  • Page 16 Figure 2.2.7 on page 2.2.9): : The RF output connector for an NX5/NX3 can be configured for an 1-5/8 inch or 7/8 inch EIA NOTE connector. An output connector kit for the predetermined connector is provided with the ancillaries. The user must provide the appropriate inner male (bullet) connector and field flange connector to complete the RF output connector.
  • Page 17 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.5: Installing Rear Plate and Removing Top Cover Plate - Closed Air Cooling only Partial Rear View Loosen 4 quarter-turn fasteners to remove filter bracket. Use same holes to install cover plate. Tighten its 4...
  • Page 18 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.6: RF Output Connector Detail: 1-5/8-inch EIA TORQUE to 44 in-lbs (4.9 N-m) PAGE 2.2.8 VERSION 3.1 2021-04-22...
  • Page 19 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.7: RF Output Connector Detail: 7/8-inch EIA TORQUE to 44 in-lbs (4.9 N-m) VERSION 3.1 2021-04-22 PAGE 2.2.9...
  • Page 20 NX5/NX3 INSTALLATION MANUAL UNPACKING AND POSITIONING Figure 2.2.8: Location of Arc Detector Assembly Arc Detector Assembly (A24) Partial Rear View; Rear Door Removed for Clarity PAGE 2.2.10 VERSION 3.1 2021-04-22...

  • Page 21: Connecting The Station Reference Ground

    For information about grounding the lightning protection, see the NX5/NX3 Pre-Installation Manual. Nautel Recommendations for For detailed information about lightning protection, see the Transmitter Site Preparation Manual , available on the Nautel website or from your Nautel sales agent. Firmly tighten all hardware. VERSION 3.1 2021-04-22 PAGE 2.3.1...
  • Page 22 NX5/NX3 INSTALLATION MANUAL CONNECTING THE STATION REFERENCE GROUND Figure 2.3.1: Safety Ground Stud Assembly Detail FLAT WASHER COPPER STRAP (customer provided) FLAT WASHER SPLIT WASHER PAGE 2.3.2 VERSION 3.1 2021-04-22...

  • Page 23: Connecting Ac Power

    Switch off and lock out the main ac power at the service entrance. Select the appropriate wire size for your main ac power cables. See the NX5/NX3 Pre-Installation Manual for assistance. Ensure the ground wire is insulated, so it does not contact the transmitter cabinet at any location other than the safety ground connection.
  • Page 24 Nautel factory configures the ferrite assembly in the upper position for top ac entry. Route all cables, as a group, along the interior wall of the NX5/NX3 to the ferrite assembly’s toroids. For top entry, an internal cable duct is provided to guide the cables from the top of the transmitter to the ferrite assembly.
  • Page 25 NX5/NX3 INSTALLATION MANUAL CONNECTING AC POWER Figure 2.4.1: NX5/NX3 Ac Power Cable Routing TOP AC INPUT ENTRY AC WIRING ACCESS HOLE HAS A REMOVEABLE PLATE WITH A PRE-CUT 3/8-INCH DIA HOLE. USE A CHASSIS PUNCH TOOL (e.g., GREENLEE) TO CREATE THE DESIRED HOLE SIZE (UP TO 2 INCHES) ON THE PLATE.
  • Page 26 NX5/NX3 INSTALLATION MANUAL CONNECTING AC POWER Figure 2.4.2: NX5/NX3 Power Transformer Line Voltage Tap Layout (360 - 505 V ac transformer) Figure 2.4.3: NX5/NX3 Power Transformer Line Voltage Tap Layout (200 - 250 V ac transformer) PAGE 2.4.4 VERSION 3.1 2021-04-22...
  • Page 27 NX5/NX3 INSTALLATION MANUAL CONNECTING AC POWER Table 2.4.1: Three-phase primary winding tap nominal voltages (rms, phase-to-phase) Ac Power Source Voltage 200 - 250 V ac 360 - 505 V ac Figure 2.4.4: Transformer Line 1, 2, 3 Terminal Hardware Orientation...
  • Page 28 NX5/NX3 INSTALLATION MANUAL CONNECTING AC POWER Figure 2.4.5: Transformer Ground Stud Location GROUND STUD NOTE: A HAM94 lug is provided to terminate the ground wire of the ac source cable PAGE 2.4.6 VERSION 3.1 2021-04-22...

  • Page 29: Adjusting The Spark Gap

    ADJUSTING THE SPARK GAP SECTION 2.5: ADJUSTING THE SPARK GAP The NX5/NX3’s RF output filter contains a spark gap that must be adjusted - based on site altitude - to provide protection against excessive voltage (i.e., lightning) on the RF output.
  • Page 30 NX5/NX3 INSTALLATION MANUAL ADJUSTING THE SPARK GAP Figure 2.5.1: RF Output Spark Gap Location LOCKING NUT ACCESS SPARK GAP FROM FRONT OF TRANSMITTER WITH FRONT DOOR AND EXCITER PANEL OPEN PAGE 2.5.2 VERSION 3.1 2021-04-22...
  • Page 31 NX5/NX3 INSTALLATION MANUAL ADJUSTING THE SPARK GAP Table 2.5.1: Altitude Scale Factor SPARK GAP SCALE FACTOR ALTITUDE (FT) (MULTIPLY GAP BY...) 1.00 1,000 1.05 2,000 1.05 3,000 1.10 4,000 1.14 5,000 1.19 6,000 1.23 7,000 1.28 8,000 1.37 9,000 1.41 10,000 1.46...
  • Page 32 NX5/NX3 INSTALLATION MANUAL ADJUSTING THE SPARK GAP PAGE 2.5.4 VERSION 3.1 2021-04-22...

  • Page 33: Installing Audio Inputs

    Routing Cables and Connecting Audio Inputs Route all audio cables from their audio sources to the top of the NX5/NX3. Two possible entry holes are provided to accept audio input wiring (see Figure 2.6.1 on page...
  • Page 34 Connect the audio input cable(s) to the appropriate connector(s) on the control/monitor PWB (A4) as shown in Figure 2.6.3 on page 2.6.4. Secure cables using the appropriate arrowhead tyraps (Nautel Part # HT76) in the ancillary kit (see Figure 2.6.3 on page 2.6.4 to locate tyrap anchor hole locations).
  • Page 35 NX5/NX3 INSTALLATION MANUAL INSTALLING AUDIO INPUTS Figure 2.6.1: Audio Cable Entry CABLE ENTRY NOTE: WIRING ACCESS HOLE HAS A REMOVEABLE PLATE WITH A PRE-CUT 1/4-INCH DIA HOLE. USE A CHASSIS PUNCH TOOL (e.g., GREENLEE) TO CREATE THE DESIRED HOLE SIZE (UP TO 2 INCHES) ON THE PLATE.
  • Page 36 NX5/NX3 INSTALLATION MANUAL INSTALLING AUDIO INPUTS Figure 2.6.3: Audio Connections (Exciter Panel shown) For either top entry hole, route wiring to the hinged (left) side of the exciter panel BALANCED ANALOG AES1 AES2 AUDIO (J9) (J7) (J8) ARROWHEAD TYRAP ANCHOR...

  • Page 37: Installing Control/Monitor Wiring

    – Re-install the entry plate on top of the transmitter using two M4 screws. Obtain two ferrite toroids (one each of Nautel Part # LXP38 and LXP44) from the ancillary kit. Pass all control/monitor cables through the ferrite toroids obtained in Step 2.
  • Page 38 Connect the control/monitor cable(s) to the appropriate connector(s) shown in Figure 2.7.4 on page 2.7.4. Secure wires to the existing cabling and to the panel using arrowhead tyraps (Nautel Part # HT76) in the ancillary kit (see Figure 2.7.4 on page 2.7.4 to locate tyrap anchor hole locations).
  • Page 39 NX5/NX3 INSTALLATION MANUAL INSTALLING CONTROL/MONITOR WIRING Figure 2.7.2: Remote Control/Monitor Cable Entry CABLE ENTRY NOTE: PARTIAL WIRING ACCESS HOLE HAS A REMOVEABLE TOP VIEW PLATE WITH A PRE-CUT 1/4-INCH DIA HOLE. USE A CHASSIS PUNCH TOOL (e.g., GREENLEE) TO CREATE THE DESIRED HOLE SIZE (UP TO 2 INCHES) ON THE PLATE.
  • Page 40 NX5/NX3 INSTALLATION MANUAL INSTALLING CONTROL/MONITOR WIRING Figure 2.7.4: Remote Interface and Ethernet Connections For either top entry hole, route wiring to the hinged (left) side of the exciter panel REMOTE I/O J6A: Digital Inputs, Ext. +15 V, System, Interlock J6B: Digital Outputs, Analog Outputs...

  • Page 41: Configuring Remote Inputs

    NX5/NX3 INSTALLATION MANUAL INSTALLING CONTROL/MONITOR WIRING Configuring Remote Inputs : The NX5/NX3 Pre-Installation Manual contains detailed information on remote inputs and the NOTE requirements of their external switching circuits. If you are connecting remote control input wiring to the REMOTE I/O-A (J6A) 25-pin male D-sub connector on the control/interface PWB (A4), you must configure a 2-socket shunt post on the INT/EXT 3-pin header (E1) on the control/interface PWB.
  • Page 42 NX5/NX3 INSTALLATION MANUAL INSTALLING CONTROL/MONITOR WIRING PAGE 2.7.6 VERSION 3.1 2021-04-22...

  • Page 43: Commissioning Tasks

    Voltages which are dangerous to life will be present on the RF output stages if the transmitter is turned on. : An interlock jumper (Nautel Part # 212-5051) is provided in the NX5/NX3’s ancillary kit. It is NOTE intended to plug directly into the REMOTE I/O-A (J6A) connector (pins 19 and 20), on the control/ interface PWB (A4).

  • Page 44: Commissioning

    : The following procedures require the use of the transmitter’s front panel UI and pushbuttons NOTE (see Figure 2.8.1). If you require assistance to navigate the front panel, refer to the NX5/NX3 Operations & Maintenance Manual for detailed information. Figure 2.8.1: Front Panel User Interface Preset 1...
  • Page 45 NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS Check the ac sample voltage using the local front panel UI ( Main Menu-> View Status -> View Meters -> Rack ). This sample represents the transformer’s secondary voltage. It should be between 302 V and 326 V. If so, proceed to Step 5.
  • Page 46 NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS Figure 2.8.2: NX5/NX3 Power Transformer Tap Changes 360 - 505 V ac transformer NOTE: Changing major tap settings requires moving the top of the tapping strap to the new major tap on each of the three primary...
  • Page 47 NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS Figure 2.8.3: Close-up Views of Minor Tap Changes (Example: +10 V adjustment shown) 360 - 505 V ac transformer, H3 phase winding shown TAPPING STRAP - PART OF TRANSFORMER (one per phase) USER-PROVIDED WIRE (one per phase)
  • Page 48 13. Check for alarms using the View Alarms screen. 14. Set up your desired presets using the Main Menu -> Edit Presets menu, noting you can create up to 62 presets. See the “Operating the Transmitter” section of the NX5/NX3 Operations & Maintenance Manual for detailed information.
  • Page 49 Maintenance” section of the NX5/NX3 Operations & Maintenance Manual for detailed information. 17. To improve overall system security, change the login password for the AUI display. Nautel factory sets the AUI with a default login password (see “Changing the Password” on page 3.2.125 of the NX5/NX3 Operations and Maintenance Manual).
  • Page 50 NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS Turn on the audio signal generator and increase the output level of the audio signal generator until a modulation depth of 100% is attained, as indicated on the modulation monitor. The audio signal generator's output level should be at the user-defined input level (e.g., 10 dBm) set in the preset.

  • Page 51: Going On-Air

    Turn off the power using the ac disconnect switch, if one is being used, or else at the ac source. Connect the transmitter's RF output to an antenna system (or verify that the current connection is intact). Ensure that a ferrite toroid (Nautel Part # LP23) is installed on the RF coaxial hardline at the transmitter’s output.

  • Page 52: Network Setup

    IP Address , Netmask , Gateway and Nameserver sub-menus, as applicable. Once you have established an IP address, you can login to the NX5/NX3’s advanced user interface (AUI), which allows you to remotely control and monitor the NX5/NX3. See the “Operating the...
  • Page 53 NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS Figure 2.8.4: Network Settings screens All addresses shown are for reference purposes only Displays a number that serves as unique network adapter identifier. This is set by the manufacturer and is displayed for informational purposes only (cannot be user set). It may be necessary to use this number to allow the AUI to access your network.
  • Page 54 NX5/NX3 INSTALLATION MANUAL COMMISSIONING TASKS PAGE 2.8.12 VERSION 3.1 2021-04-22...

  • Page 55: Parts And Tools

    NX5/NX3 INSTALLATION MANUAL PARTS AND TOOLS SECTION 2.9: PARTS AND TOOLS This section describes parts associated with the NX5/NX3 transmitter, and tools needed during installation and routine operation. Topics include:  Parts Supplied by Nautel  Parts Not Supplied by Nautel - see page 2.9.2 Parts Ordering - see page 2.9.2...

  • Page 56: Parts Supplied By Nautel

    PARTS AND TOOLS Parts Supplied by Nautel Ancillary Parts Kit An ancillary parts kit is shipped with the NX5/NX3. This kit contains hardware needed during the installation process. The kit includes toroids, spare fuses, screws and other miscellaneous hardware. Documentation “NX5/NX3 Transmitter Manuals”...

  • Page 57: Tools For Installation

    NX5/NX3 INSTALLATION MANUAL PARTS AND TOOLS Tools for Installation The tools you need during transmitter installation include the following:  Digital voltmeter  Phillips screwdrivers, sizes #1 and #2  Pliers  Wire cutters  Slot screwdriver, 5 mm (3/16 inch) ...
  • Page 58 NX5/NX3 INSTALLATION MANUAL PARTS AND TOOLS PAGE 2.9.4 VERSION 3.1 2021-04-22...

  • Page 59: Pre-Installation / Installation Assistance

    Extended Warranties - see page 2.10.7 Pre-Installation Consulting Nautel field support specialists are available to answer questions and work with you to ensure that your site will be ready for the installation of your NX5/NX3 transmitter. For support, contact Nautel Customer Service and request assistance (“On-Site Support”...

  • Page 60: Online Documentation

    50 Ω test load (rated for 150% of carrier power, VSWR less than 1.1:1)  Nautel’s service representative takes full responsibility for commissioning the transmitter, validating all external interfaces (i.e., the ac supply, RF output, remote control and monitoring equipment) and checking out the equipment prior to activation.

  • Page 61: On-Site Support

    Nautel training programs are made up of individual modules that can be 'mixed and matched' to meet the customer’s specific training needs. All Nautel training courses are available at the Nautel Training Center.

  • Page 62: Standard Warranty

    If the Buyer receives a replacement module, as part of Nautel's module exchange program, the old module must be returned to Nautel within 30 days of receipt of the new module, at the buyers expense. If the old module is not received after 30 days, the customer will be invoiced. The buyer is responsible for installing the replacement/repaired module in the transmitter.
  • Page 63 Nautel shall have the right and shall be provided full access to investigate whether failures have been caused by factors beyond its control. 10. In no event shall Nautel be liable for any consequential damages arising from the use of this equipment.
  • Page 64 Module Exchange Service In order to provide Nautel customers with a fast and efficient service in the event of a problem, Nautel provides - for North American customers only - a factory rebuilt, module exchange service which takes full advantage of the high degree of module redundancy in Nautel equipment.

  • Page 65: Extended Warranties

    Only repairs done at Nautel's facilities or by Nautel authorized personnel will be covered by the Extended Warranty Plans. You must ship faulty products back to Nautel, prepaid, and in the original package or in a package that provides equivalent protection.
  • Page 66 If Nautel’s service technicians are unable to solve the problem over the telephone, Nautel will give you an RMA number. You then return the module or circuit board to a Nautel service facility so that Nautel can provide a replacement. Do not ship a component back to Nautel until you have an RMA number.

  • Page 67: List Of Terms

    A setting that controls power level, active exciter, and power scheduler status on a time-of-day Preset. and date basis. Exciters can be configured on a preset for a specific operating mode (for example, Exciter A - conventional AM, and Exciter B - IBOC). The NX5/NX3 allows you to pre-program multiple presets. VERSION 3.1 2021-04-22...
  • Page 68 NX5/NX3 INSTALLATION MANUAL LIST OF TERMS A complete loss of RF output power, caused by any one of a variety of faults, including high Shutback. VSWR, low B+ voltage, high RF current, RF drive failure, external interlock or spark gap.
  • Page 70 Phone: +1.902.823.3900 or Fax: +1.902.823.3183 Nautel Inc. 201 Target Industrial Circle Bangor, Maine USA 04401 Phone: +1.207.947.8200 Fax: +1.207.947.3693 Customer Service (24-hour support) +1.877.628.8353 (Canada & USA only) +1.902.823.5100 (International) Email: support@nautel.com Web: www.nautel.com © Copyright 2021 NAUTEL. All rights reserved.

This manual is also suitable for:

Nx3

Table of Contents